Defense/National Security Sector Jobs

company About Concept Plus Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm. Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty. We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment. For more information, visit www.conceptplus.com . role About the role Concept Plus is seeking a highly experienced and motivated Full Stack Software Developer for an exciting new contract. This role is fully onsite in Reston, VA (5 days per week required). What you'll do The Senior Developer role will be part of a team of Data, Cloud, and Security engineers delivering a cloud-native, centralized platform that delivers end-to-end budget traceability. Required Qualifications US Citizen Active TS/SCI with Full Scope Poly Clearance Technical expertise and hands on experience as a software developer, software engineer with knowledge for applying these skills to Oracle cloud and customer mission challenges. Experience with entire software development life cycle utilizing Python, JavaScript frameworks, SQL, Shell scripting, PL SQL, and other programming languages. Experience with building applications using Cloud Native services technologies such as Kubernetes, containers, Docker, REST. Experience in Cloud native services (Oracle Cloud services are desired) Training or experience with middleware technology such as WebLogic, Jboss, Apache Tomcat on Linux and Windows for migration to Cloud. Experience with Oracle RDBMS. Passion for technology, the curiosity and willingness to constantly learn new skills, work with new tools and discover new and innovative approaches to solving complex technical challenges. The ability to articulate technical concepts to non-technical audiences and, vice versa, translate functional needs to technical solutions. Experience in working with Agile framework 8+ years of experience relevant to this position Bachelor’s Degree in engineering, computer science or related technical discipline. Master’s degree preferred. Preferred Qualifications Experience or training in Oracle Visual Builder Studio or APEX Oracle Cloud (OCI) IaaS and/or PaaS Certifications are nice to have Experience with AI technologies for software development Data engineering experience (data validations, business rules, data transformations) Concept Plus is an Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.

company About Concept Plus Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm. Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty. We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment. For more information, visit www.conceptplus.com . role About the role Concept Plus is seeking a highly experienced and motivated Senior UI/UX Developer for an exciting new contract. This role is fully onsite in Reston, VA (5 days per week required). What you'll do The Senior UI/UX Developer will be part of a team of Application, Data, Cloud, and Security engineers delivering a cloud-native, centralized platform that provides end-to-end budget traceability. This role will own the user experience for Phoenix applications, turning mission workflows and data into intuitive, accessible interfaces and customer-ready mockups. Required Qualifications US Citizen Must possess a TS/SCI security clearance with CI or Full Scope Polygraph. Minimum 8+ years of experience in UI/UX design, front-end development, product design, or related application development disciplines. Demonstrated ability to lead the design of intuitive, user-centered interfaces for enterprise or mission applications, from discovery through implementation. Required experience creating and presenting customer-facing wireframes, user flows, clickable prototypes, high-fidelity mockups, and design recommendations to gather feedback and drive design decisions. Required proficiency developing production user interfaces with JavaScript, React, and Python. Strong experience building responsive, accessible, and maintainable web applications using modern HTML, CSS, JavaScript, React component libraries, and API-driven front-end patterns. Experience translating customer workflows, business requirements, and complex data into clear information architectures, interaction designs, dashboards, and visualizations. Experience conducting or supporting user research, usability testing, stakeholder interviews, and iterative design reviews. Experience integrating front-end applications with REST APIs, authentication and authorization services. Ability to document design rationale, usability findings, and implementation guidance; communicate technical concepts effectively to technical and non-technical audiences. Experience working in an Agile framework and participating in planning, backlog refinement, demos, and sprint reviews. 8+ years of experience relevant to this position. Bachelor’s Degree in engineering, computer science or related technical discipline. Master’s degree preferred. Preferred Qualifications Strong experience with Oracle APEX, including designing and developing accessible, responsive Oracle APEX applications. Proficiency with design and prototyping tools such as Figma or comparable platforms. Experience designing data-rich applications, dashboards, reporting experiences, or financial and budget-traceability workflows. Experience with Oracle Cloud Infrastructure (OCI), cloud-native application services, containers, or Kubernetes. Experience incorporating secure UI patterns, privacy considerations, and DevSecOps practices into application delivery. Experience with automated front-end testing, design systems, component libraries, and CI/CD pipelines. Concept Plus is an Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.

company About Concept Plus Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm. Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty. We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment. For more information, visit www.conceptplus.com . role About the role Concept Plus is seeking a highly experienced and motivated Senior Data Engineer for an exciting new contract. This role is fully onsite in Reston, VA (5 days per week required). What you'll do The Senior Data Engineer will be part of a team of Application, Cloud, and Security engineers delivering a cloud-native, centralized data platform that provides end-to-end budget traceability. This role will design, implement, and own the Oracle data architecture, database schemas, tables, and data standards that enable reliable, secure, and mission-ready data products for Phoenix. Required Qualifications US Citizen Must possess a TS/SCI security clearance with Polygraph. Minimum 8+ years of experience in data engineering, Oracle database development, data architecture, or database management. Strong expertise in Oracle Database technologies Demonstrated experience designing, implementing, and owning logical and physical data models, database schemas, tables, views, keys, constraints, and reference data for enterprise Oracle databases. Proven experience with PL/SQL, SQL, stored procedures, packages, Oracle partitioning, indexing, query optimization, and performance tuning. Deep understanding of relational data modeling, normalization, dimensional modeling, data warehousing concepts Experience defining and enforcing data standards, naming conventions, data quality controls, business rules, retention requirements, and data lifecycle management. Strong knowledge or experience of ETL pipeline design, data transformation, reconciliation, and validation for large-scale data systems. Experience designing secure and scalable Oracle database solutions, including role-based access controls, encryption, auditing, backup and recovery considerations, and sensitive-data handling. Proficiency in shell scripting, Python, or comparable automation tools for database administration, deployment, monitoring, and operational support. Experience with Oracle GoldenGate or similar change data capture (CDC), replication, or data integration technologies. Familiarity with data governance, metadata management, master/reference data, data lineage, and cataloging practices. Ability to work with application developers, cloud engineers, security engineers, and business analysts to translate mission needs into durable data solutions. Strong verbal and written communication skills for documenting data architecture, schemas, standards, and implementation decisions. Experience working in an Agile framework. 8+ years of experience relevant to this position. Bachelor’s Degree in engineering, computer science, business, or related discipline. Master’s degree preferred. Preferred Qualifications Experience integrating Oracle databases with cloud-native services, big data platforms, or data lakes. Familiarity with Oracle Autonomous Database and Oracle Analytics Experience with Oracle Cloud Infrastructure (OCI), including database, storage, networking, and data integration services. Experience implementing database schema migrations and database change management through DevOps and CI/CD pipelines. Knowledge of federal data security, privacy, and compliance requirements relevant to mission systems. Oracle certifications, such as Oracle Certified Professional, Oracle Database Administration, or Oracle Data Integration certification. Concept Plus is an Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.

company About Concept Plus Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm. Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty. We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment. For more information, visit www.conceptplus.com . role About the role Concept Plus is seeking a highly experienced and motivated Application Security Engineer for an exciting new contract. This role is fully onsite in Reston, VA (5 days per week required). What you'll do This role will be part of a team of Data, Cloud, and Security engineers delivering a cloud-native, centralized platform that provides end-to-end budget traceability. The Application Security Engineer will integrate security throughout the software development lifecycle, partnering with developers and cloud engineers to design, build, assess, and sustain secure mission applications. Required Qualifications US Citizen Must possess a TS/SCI security clearance with Polygraph. Technical expertise and hands-on experience in application security, secure software development, software engineering, or DevSecOps, with the ability to apply these skills to Oracle Cloud and customer mission challenges. Experience integrating security throughout the software development lifecycle, including secure design and architecture reviews, threat modeling, secure code review, security testing, vulnerability remediation, and release authorization support. Experience developing or reviewing applications using Python, JavaScript frameworks, SQL, Shell scripting, PL/SQL, and other programming languages, with a strong understanding of common application vulnerabilities and secure coding practices. Experience with application security testing tools and processes, including static application security testing (SAST), dynamic application security testing (DAST), software composition analysis (SCA), secrets scanning, and container or infrastructure vulnerability scanning. Experience building and securing cloud-native applications and services using Kubernetes, containers, Docker, REST APIs, and CI/CD pipelines. Experience implementing DevSecOps practices, including automated security controls and testing within build and deployment pipelines. Experience with cloud-native security services and controls; Oracle Cloud Infrastructure (OCI) experience is desired. Knowledge of security frameworks and standards such as NIST RMF, NIST Secure Software Development Framework, OWASP, DISA STIGs, and applicable federal security requirements. Experience securing Oracle RDBMS environments, including database access controls, encryption, auditing, and secure handling of sensitive data. Ability to assess, prioritize, document, and communicate application and cloud security risks, findings, and remediation recommendations to both technical and non-technical stakeholders. Passion for technology, curiosity, and willingness to continuously learn new security tools, techniques, and approaches for solving complex technical challenges. Experience working in an Agile framework. 8+ years of relevant experience in application security, software engineering, DevSecOps, cybersecurity, or a related technical discipline. Bachelor’s Degree in engineering, computer science or related technical discipline. Master’s degree preferred. Preferred Qualifications Oracle Cloud Infrastructure (OCI) IaaS and/or PaaS certifications are preferred. Security certifications such as CISSP, CSSLP, Security+, GIAC, CEH, OSCP, or comparable credentials. Experience implementing identity and access management, privileged access controls, secrets management, encryption, logging, monitoring, and incident response capabilities in cloud environments. Experience with AI technologies for software development and securing AI-enabled applications or development workflows. Data engineering experience, including securing data validations, business rules, data transformations, and sensitive-data handling. Concept Plus is an Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.