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1655 - Senior Software Developer

Sigma Defense

**
Patuxent River Estates, Maryland
Basic
Posted about 18 hours ago

Sigma Defense is currently seeking a Senior Software Developer to support on site software development for PMA290 Software Support Activity (SSA) in Patuxent River, MD USA.

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Requirements

  • 5-8 years of software developer experience.
  • 5-8 years experience developing JAVA applications.
  • 5-8 years developing and deploying code in Linux (RHEL preferred) environments.
  • 0-2 years experience creating containerized microservice applications.
  • Must be a U.S. citizen.

Candidate Differentiators:

  • P-8A Application Based Architecture (ABA) Experience.
  • P-8A Tactical Open Mission System (TOMS) Experience.
  • MINOTAUR Family of Systems (MFOS) Experience.

Computer Programs/Software:

  • Linux
  • RHEL
  • Java
  • Python
  • Atlassian Tools
  • Docker

Personnel Clearance Level:

  • Candidate must possess or have the ability to obtain an active Secret security clearance or higher.
  • A clearance will not be sponsored.

Education Requirements:

  • Bachelor's degree from an accredited college or university in Engineering, Mathematics, Computer Science, Computer Engineering, Information Technology, Information Systems, or Electrical Engineering.

Essential Job Duties (not all-inclusive):

  • Assist in the development of JAVA applications supporting either large enterprise TOMS application or smaller microservice ABA applications.
  • Support deployment and integration of applications through knowledge of RHEL execution environments, including a solid understanding of Linux CLI commands.
  • Understanding and use of containerized applications and hypervisors for ABA application hosting.
  • Create scripting solutions and standalone applications to resolve smaller scale problems and support SSA requests.
  • Assist in on-going implementation of the Agile Development methodology.
  • Support all efforts to remove impediments of the engineering team to ensure on time delivery and completion of sprints and deliverables.
  • Support the development, design, and architecture recommendations for current and future PEO C4I Software (SW) and hardware (HW) baselines.
  • Support design solutions integrated into any common network/hardware baseline or environment.
  • Develop and provide inputs to functional, allocated, and product baseline engineering documentation, design-related technical briefs.
  • Implement Agile development methodology and participate in planning activities using PO directed Agile tools.
  • Provide management support of enterprise Linux architectures and support building, configuring, and securing Linux, and CoreOS virtual machines, operating systems/applications, and integrating these into an enterprise architecture.
  • Configure VMware hypervisors.
  • Develop test plans and functional test objectives to ensure that SW and HW baselines are satisfying all requirements.
  • Develop system installation procedures.
  • Create automated Windows and Linux bare metal deployment strategies.
  • Install and configure applicable technologies; hardening applicable technologies in accordance with Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), Security Requirements Guides (SRGs), Risk Management Framework (RMF), Computer Task Orders (CTOs), and other best practices.

Salary Range: $125,000 - $145,000 annually.

Benefits

  • Dental and Vision Insurance
  • Medical Insurance to Include HSA, FSA, and DFSA Plans
  • Life and AD&D coverage
  • Employee Assistance Program (EAP)
  • 401(k) Plan with Company Matching Contributions
  • 160 Hours of Paid Time Off (PTO)
  • 12 (Floating) Holidays
  • Educational Assistance
  • Highly Competitive Salary

AI/ML Software Developer

CATHEXIS

**
Tysons Corner, Virginia
Basic
Posted about 18 hours ago

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence. 

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.

We are looking for a dynamic AI/ML Software Developer to join our team. The AI/ML Software Developer will work alongside a team of highly skilled engineers in the development of AI applications. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems. We’re seeking curious and creative technical staff who are excited about delivering quality solutions.  

Responsibilities

The responsibilities include, but are not limited to:

  • Collaborate with other developers, staff and leadership to design solutions that solve customer problems.
  • Design, develop, and maintain technical solutions.
  • Build and improve tools for users to understand and analyze large-scale data.
  • Perform debugging, troubleshooting, modifications and testing of software and solutions.
  • Develop documentation, and collaborate in the development of technical procedures and user support guides.

Requirements

  • An active Secret or above clearance is required.
  • Bachelor’s degree in computer science or related field.
  • 3 to 5 years of relevant experience.
  • Experience with JavaScript, Java, or other object-oriented programming language(s).
  • Hands-on experience and understanding of object-oriented programming, data structures, algorithms, profiling & optimization.
  • Passion for developing team-oriented solutions to complex engineering problems.
  • Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality.

Benefits

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with national average market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $(phone number removed) - $(phone number removed) Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills. 

  • Performance Bonuses
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Plan (Traditional and ROTH)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • 11 Federal Holidays
  • Parental Leave
  • Commuter Benefits
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Program
  • Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability EEO IS THE LAW. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting Department (url removed).

Software Developer

Resource Management Concepts, Inc.

**
Dahlgren, Virginia
Basic
Posted about 18 hours ago

Resource Management Concepts, Inc. (RMC) provides high-quality professional services to government and commercial customers. Our mission is to deliver exceptional management and technology solutions that help protect and preserve the people and environment of the United States.

RMC is seeking a .NET / Software Developer to support our customer 100% on-site in Dahlgren, Virginia. The selected candidate will develop and maintain software solutions in a Department of Defense environment, contributing throughout the software development lifecycle—from translating customer requirements into functional solutions to testing, troubleshooting, and ongoing support. This role is well suited to a detail-oriented developer with strong software life cycle management experience and an interest in building reliable applications for mission-focused users.

Responsibilities

  • Design, develop, configure, and maintain software functionality based on customer requirements.
  • Contribute to the full software development lifecycle, including requirements analysis, design, development, testing, deployment, and maintenance.
  • Develop and support applications using .NET technologies and modern front-end frameworks.
  • Troubleshoot and debug applications, identify root causes, and implement effective solutions.
  • Apply modern application architecture, responsive design, and user experience principles.
  • Work within a DoD environment and support development activities using a DevSecOps pipeline.
  • Use source control, participate in code reviews, and contribute to automated testing and CI/CD practices.
  • Collaborate with customers and team members using Agile/Scrum processes.
  • Support SharePoint-based solutions, as needed.

Requirements

  • High school diploma or GED.
  • Three to seven years of experience with software development technologies such as:
    • .NET Core and/or .NET Framework
    • C#
    • Entity Framework
    • SQL
    • RESTful APIs and web services
    • Angular or another modern front-end framework, such as React or Vue
    • Angular Material or a comparable UI/CSS framework
  • Experience developing and supporting applications hosted on Linux or Windows systems.
  • Experience with modern application architecture, responsive design, and user experience principles.
  • Experience with source control tools such as Git, code reviews, automated testing, and CI/CD practices.
  • Ability to work in a DoD environment and support development within a DevSecOps pipeline.
  • Strong written and verbal communication skills, attention to detail, and troubleshooting ability.
  • Ability to understand customer needs and translate requirements into software functionality.
  • DoD 8570/8140 IAT Level II certification (e.g., Security+ CE, CCNA Security, etc.) required at time application is submitted.

Clearance Requirements

An Interim DoD Secret clearance is required to start. The selected candidate must be able to obtain a Top Secret clearance and meet eligibility requirements for access to classified information. Employment is contingent upon successfully meeting applicable security investigation and clearance requirements.

Benefits

At RMC, we're committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees. RMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. This also includes a competitive paid vacation package with 11 paid federal holidays. Additionally, we also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.

Salary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $110,000 to $150,000 (annually).

Senior AI/ML Software Developer - TS/SCI with Poly (req-317)

CATHEXIS

**
Tysons Corner, Virginia
Basic
Posted about 18 hours ago

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence. 

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.

We are looking for a dynamic Senior AI/ML Software Developer with a TS/SCI with Poly clearance to join our team. The Senior AI/ML Software Developer will work alongside a team of highly skilled engineers in the development of AI applications. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems. We’re seeking curious and creative technical staff who are excited about delivering quality solutions.  

We are proactively building a pipeline of qualified candidates for future opportunities that may arise. If your background aligns with our anticipated needs, a member of our Talent Acquisition team may reach out should a role become available or to proactively screen you for the role.

Responsibilities

The responsibilities include, but are not limited to:

  • Collaborate with other developers, staff and leadership to design solutions that solve customer problems.
  • Design, develop, and maintain technical solutions.
  • Build and improve tools for users to understand and analyze large-scale data.
  • Perform debugging, troubleshooting, modifications and testing of software and solutions.
  • Develop documentation, and collaborate in the development of technical procedures and user support guides.

Requirements

  • An active TS/SCI CI Poly or FS Poly clearance is required.
  • Bachelor’s degree in computer science or related field.
  • 5+ years relevant experience.
  • Experience with JavaScript, Java, or other object-oriented programming language(s).
  • Hands-on experience and understanding of object-oriented programming, data structures, algorithms, profiling & optimization.
  • Passion for developing team-oriented solutions to complex engineering problems.
  • Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality.

Benefits

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with national average market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $(phone number removed) - $(phone number removed) Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills. 

  • Performance Bonuses
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Plan (Traditional and ROTH)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • 11 Federal Holidays
  • Parental Leave
  • Commuter Benefits
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Program
  • Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability EEO IS THE LAW. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting Department (url removed).

Senior AI/ML Software Developer - Top Secret (req-318)

CATHEXIS

**
Tysons Corner, Virginia
Basic
Posted about 18 hours ago

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence. 

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.

We are looking for a dynamic Senior AI/ML Software Developer with an active Top Secret Clearance to join our team. The Senior AI/ML Software Developer will work alongside a team of highly skilled engineers in the development of AI applications. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems. We’re seeking curious and creative technical staff who are excited about delivering quality solutions.  

Responsibilities

The responsibilities include, but are not limited to:

  • Collaborate with other developers, staff and leadership to design solutions that solve customer problems
  • Design, develop, and maintain technical solutions
  • Build and improve tools for users to understand and analyze large-scale data
  • Perform debugging, troubleshooting, modifications and testing of software and solutions
  • Develop documentation, and collaborate in the development of technical procedures and user support guides

Requirements

  • An active Top Secret Clearance or above is required
  • Bachelor’s degree in computer science or related field
  • 5+ years relevant experience
  • Experience with JavaScript, Java, or other object-oriented programming language(s)
  • Hands-on experience and understanding of object-oriented programming, data structures, algorithms, profiling & optimization
  • Passion for developing team-oriented solutions to complex engineering problems
  • Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality

Benefits

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with national average market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $148,000- $179,000. Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills. 

  • Performance Bonuses
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Plan (Traditional and ROTH)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • 11 Federal Holidays
  • Parental Leave
  • Commuter Benefits
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Program
  • Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability EEO IS THE LAW. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting Department (url removed) 

Software Developer

Expert In Recruitment Solutions

**
King of Prussia, Pennsylvania
Basic
Posted about 18 hours ago
Software Developer – 4 Openings Location: King of Prussia, PA 19406 - 100% On-Site


We are seeking Software Developers to support mission-critical national security programs. Candidates should have experience with modern software development, cloud technologies, DevOps, and Agile environments.
Candidates with experience in Java, C#, Python, or JavaScript/TypeScript are encouraged to apply.
Key Responsibilities
  • Design, develop, test, and maintain secure software applications and services.
  • Develop backend services, APIs, microservices, and distributed systems.
  • Work with cloud-native applications and services.
  • Contribute to CI/CD pipelines, automation, and deployment processes.
  • Participate in Agile/Scrum activities.
  • Perform code reviews and follow software engineering best practices.
  • Troubleshoot and resolve software defects and performance issues.
  • Collaborate with cross-functional engineering teams.

Required Qualifications
  • Active Top Secret Security Clearance at the time of hire.
  • Ability to obtain/maintain SCI and/or SAP eligibility.
  • Professional software development experience with one or more:
    • Java
    • C#
    • Python
    • JavaScript/TypeScript
  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Experience with microservices, REST APIs, distributed systems, or data-centric applications.
  • Experience with CI/CD tools such as Jenkins, GitLab CI/CD, or Azure DevOps.
  • Experience with Docker and Kubernetes.
  • Experience with Git/version control.
  • Experience working in Agile/Scrum environments.

Preferred Qualifications
  • DoD, Intelligence Community, or federal government experience.
  • Secure software development experience.
  • Infrastructure as Code experience with Terraform or CloudFormation.
  • Experience working in classified or highly regulated environments.

Senior Software Developer

PSR Associates Inc

**
Alexandria, Virginia
Basic
Posted 3 days ago
PSR Associates is a consulting and talent solutions firm that connects qualified IT professionals with great opportunities. Whether you're looking for a contract or permanent position, we can help you find the right fit for your skills and experience. We have a team of experienced recruiters who know the IT industry inside and out, and we work with you every step of the way to ensure a smooth and successful transition. PSR Connecting Talent, Crafting Success.

Senior Software Developer Position Description

We are seeking a Senior Software Developer to join our team. The selected candidate will work a hybrid schedule consisting of onsite days in Alexandria, VA.

Summary:
We are looking for a Senior Software Developer to design, develop, deploy, and support Java, Spring Boot, RESTful API, and Microsoft Azure cloud-native applications.

What You'll Do:
  • Design, develop, test, and maintain enterprise applications using Java, Spring Boot, and Microsoft Azure technologies
  • Develop and support RESTful APIs, microservices, and integrations with internal and external systems
  • Build and maintain scalable, secure, and highly available cloud-native applications
  • Integrate and process real-time data from APIs, messaging systems, and external data feeds
  • Support application deployments, production troubleshooting, root cause analysis, and performance optimization
  • Implement and maintain CI/CD pipelines, automated testing, and release management processes
  • Collaborate with business analysts, architects, infrastructure teams, and developers to deliver technical solutions
  • Participate in architecture discussions, code reviews, technical documentation, and development best practices
  • Support enterprise applications and system integrations
  • Contribute to application reliability, security, monitoring, and continuous improvement initiatives

What You'll Need:
Required:
  • 7+ years of professional software development experience
  • 5+ years of experience developing applications using Java (Java 11/17/21)
  • 5+ years of experience with Spring Boot and Spring Framework
  • 5+ years of experience developing RESTful APIs and microservices
  • 5+ years of experience integrating distributed enterprise applications
  • 5+ years of experience with object-oriented design, design patterns, multithreading, concurrency, and asynchronous processing
  • 5+ years of experience with JSON, XML, HTTP/HTTPS, WebSockets, and third-party API integrations
  • 5+ years of experience with SQL and relational databases such as Microsoft SQL Server or PostgreSQL
  • 5+ years of experience troubleshooting application performance, memory utilization, and production issues
  • 5+ years of experience using Git and GitHub, including branching, pull requests, and release management
  • 3+ years of experience developing, deploying, and supporting applications in Microsoft Azure
  • 3+ years of experience with Azure App Service, Azure Functions, Azure Container Apps, and Azure Container Registry
  • 3+ years of experience with Azure SQL Database, Azure Storage, Key Vault, Azure Monitor, and Application Insights
  • 3+ years of experience building CI/CD pipelines and automated testing using GitHub Actions or Azure DevOps
  • 3+ years of experience with Maven or Gradle and Docker containerized deployments
  • Industry certifications in Azure, Java, or cloud technologies
Preferred:
  • Experience supporting large-scale enterprise environments
  • Experience with real-time data processing and event-driven architectures
  • Knowledge of OpenTripPlanner (OTP), GTFS, or other geospatial/data integration platforms
  • Experience with Azure networking, including Virtual Networks, Private Endpoints, DNS, Front Door, API Management, and Entra ID
  • Experience with cloud security, high availability, disaster recovery, and cost optimization
  • Experience working in highly regulated or public-facing environments

Physical Demands
  • Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards
  • Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings, etc.
  • Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor

*** Please note that any false information on your resume or application could lead to the offer being withdrawn or even termination after hire.***





Senior Software Developer

Mitchell Martin

**
Jersey City, New Jersey
Basic
Posted about 18 hours ago
Senior Software Developer - Jersey City, NJ - Contract - $60-65 Per HR

Join our team as a Senior Software Developer, working remotely on a contract basis. You will design and develop scalable solutions for risk calculations and analytics, collaborating with various stakeholders throughout the software development lifecycle. Strong expertise in generic programming languages and database management is essential.

Key Responsibilities
  • Design and develop scalable solutions for risk calculations and analytics.
  • Collaborate with risk managers, business analysts, and other technology teams.
  • Ensure the application is production-grade and supports high concurrency.
  • Engage in the full software development lifecycle, including design and deployment.
  • Provide production support and troubleshoot issues as they arise.
Qualifications
  • 10 years of software development experience in enterprise environments.
  • Proficient in object-oriented programming and generic programming languages.
  • Strong SQL skills and experience with databases.
  • Experience with AI-assisted development tools.
  • Bachelor’s degree in Computer Science, Engineering, or related field.
Core Technologies

Python | SQL | Oracle | Sybase | AI-assisted development tools

Contact Authorization

By applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. Message and data rates may apply for texts. Carriers are not liable for delayed or undelivered messages. You can access our privacy policy on our web site or here.

Benefits

Learn more about our benefits offerings on our web site or here.

Onboarding Expectations

Learn more about our Onboarding Process on our web site or here.

EEO Statement

Learn more about our EEO policy on our web site or here.

#LI-KN1

CNO Software Developer

X8 LLC

**
Columbia, Maryland
Basic
Posted about 18 hours ago
Journeyman CNO Software Developer
Fort Meade / Columbia, MD | CNMF JTF-0
JOB DESCRIPTION
X8 is seeking a Journeyman CNO Software Developer to support specialized military cyber operations under the PURPLEPIRANHA program.
Join an embedded mission team developing and rapidly prototyping offensive cyber capabilities in collaboration with senior engineers, vulnerability researchers, and operational stakeholders.

WHAT YOU'LL BE DOING
  • Rapidly prototype advanced offensive cyber capabilities with senior engineers to address evolving mission requirements.
  • Work on-site with mission experts in C, Windows internals, Linux internals, and other low-level engineering disciplines.
  • Collaborate with vulnerability researchers to evaluate proof-of-concept exploits and translate findings into operationally useful tools.
  • Analyze proof-of-concept exploits and CVE vulnerabilities; engineer stable, testable capabilities.
  • Develop and refine low-level software using .NET, Python, C/C++, and/or assembly.
  • Contribute to design and code reviews, accurate developer/tester documentation, and technical knowledge sharing.
  • Apply offensive cyber experience, including red/purple team methods, to mission-focused capability development.
  • Support rapid prototyping and testing with operational stakeholders to ensure mission fit.
  • Maintain and expand expertise in Windows/Linux internals, low-level programming, and offensive cyber techniques.

WHAT REQUIRED SKILLS YOU'LL BRING
  • Active TS/SCI clearance with CI polygraph.
  • USCYBERCOM JQR-qualified with proven offensive cyber experience, OR equivalent contract/civilian offensive cyber work.
  • Bachelor's degree in a related field plus 5+ years of exploit/CNO tool development; OR related master's degree plus 3+ years; 4 additional years of directly related experience may substitute for a degree.
  • Proficiency in .NET, Python, C/C++, and/or assembly programming.
  • Ability to analyze proof-of-concept exploits/CVE vulnerabilities and engineer stable, testable capabilities.
  • Technical knowledge of Windows and/or Linux operating systems.
  • Ability to produce accurate documentation for developers and testers.
WHAT DESIRED SKILLS YOU'LL BRING
  • 6–8 years of exploit/CNO tool development experience.
  • Rapid prototyping, automation tooling, and network protocol/testing expertise.
  • Corelan Bootcamp/Advanced; ManTech ACTP Windows/Linux/VR&E; OSCP, OSED, OSWE; BCI; or USCYBERCOM CCD Developer (Senior) training/certification.
  • Experience with Ghidra, GDB, WinDbg, or fuzzing.
  • Prior offensive cyber operations, red/purple team activities, or equivalent contract/civilian experience.
WHY JOIN X8?
  • Support mission-critical offensive cyber capability development for USCYBERCOM.
  • Work directly with a small, embedded team of experienced cyber engineers.
  • Build and refine operationally relevant tools through rapid prototyping and collaboration.

MINIMUM CLEARANCE REQUIRED
  • Active TS/SCI with CI polygraph required.
COMPENSATION
  • $105,000+ (depending on education and experience)
  • Bonus potential
  • 401K Match – 10%
  • Paid time off – 24 PTO Days, 13 Holidays
  • Medical Benefits – 100% Employee, 80% Dependent, $1000 company paid HSA Contribution

Software Developer

Mitchell Martin

**
Chicago, Illinois
Basic
Posted 8 days ago
Software Developer - Chicago, IL - Contract - $41-51 per HR

Join our dynamic engineering team as a Software Developer on a contract basis in the Chicago area. This position involves leading testing strategies, executing test protocols, and ensuring product compliance with industry standards. Candidates should have a strong background in quality assurance and product testing.

Description
  • Lead high-level testing strategies.
  • Execute advanced test protocols.
  • Diagnose complex defects.
  • Ensure compliance with industry standards.
  • Collaborate with engineering team to enhance product quality.
Key Responsibilities
  • Develop testing strategies for product validation.
  • Implement and execute comprehensive test plans.
  • Identify and resolve product defects.
  • Ensure product compliance with quality standards.
  • Collaborate with team to improve testing processes.
Qualifications
  • 5 years of experience in product testing and quality assurance.
  • Relevant Level 3 L3 certifications.
  • Strong problem-solving skills.
  • Excellent communication and teamwork abilities.
  • Experience with complex testing environments.
Core Technologies

Testing Tools | Quality Assurance Systems | Defect Management Software

Contact Authorization

By applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. Message and data rates may apply for texts. Carriers are not liable for delayed or undelivered messages. You can access our privacy policy on our web site or here ((url removed)).

Benefits

Learn more about our benefits offerings on our web site or here ((url removed))

Onboarding Expectations

Learn more about our Onboarding Process on our web site or here ((url removed))

EEO Statement

Learn more about our EEO policy on our web site or here ((url removed))

#LI-GV1

Software Developer

Resource Management Concepts, Inc.

**
Quantico, Virginia
Basic
Posted about 18 hours ago

Resource Management Concepts, Inc. (RMC) provides high-quality, professional services to government and commercial sectors. Our mission is to deliver exceptional management and technology solutions supporting the protection and preservation of the people and environment of the United States of America.

RMC is hiring Software Developer to support our customer in Quantico, VA. The applicant will provide software development to develop, optimize, operate, and maintain the government’s systems.

  • Will be responsible for Government’s cyber incident reporting system (SQL, CSS, HTML, ASP), incident response scripts (PowerShell, Windows CMD Batch), Red Team command and control suite (.NET (Blazor), C#, SQL). 
  • Will build new software tools as needed for the conduct of defensive cyberspace operations. 
  • Conduct database administration by maintaining the existing database systems as well as databases related to other systems, to include the Security Information and Event Managers (SIEMs - Kabana, Elastic) and Endpoint Security System (ESS) management systems.
  • Team member will also build new database systems as needed for the conduct of defensive cyberspace operations.
  • Will provide general scripting support to include Regular Expression (RegEx), Python, Powershell, and VB .NET.

Requirements

  • Active DoD Secret clearance is required. Applicant selected will be subject to security investigation(s) and must maintain eligibility requirements for access to classified information.
  • Associate's degree in a Computer Science, Information Technology, Information Systems, or Computer Engineering field; OR five (5) years of relatable work experience.
  • DoD 8140.03 IAT Level II certification.
  • DODD 8570 CSSP Infrastructure Support certification.
  • Experience with Windows and Linux.
  • Experience with scripting in SQL, Java, Python, CSS, HTML, ASP, RegEx, VB.net and PowerShell.
  • Knowledge of project management methodologies.

Benefits

At RMC, we're committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees.

RMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. We offer Monday to Friday full-time day shift work, and can assist in paid relocation. This also includes a competitive paid vacation package with 11 paid federal holidays. Additionally, we also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.

Salary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $130,000 to $150,000 (annually).

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