Site-Reliability-Engineer, Platform-Engineer, Infrastructure-Engineer Jobs

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation. We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.

About the Role:

CrowdStrike is hiring an Engineer II to help run the Kubernetes clusters behind the Falcon platform. Those clusters live in our own data centers and in AWS, GCP, and OCI. In this role you will keep them healthy, work incidents, and automate the manual tasks that eat up the team's time. You will work closely with senior engineers and grow your skills with Kubernetes and the tools we use to monitor it: Prometheus, Thanos, Alertmanager, and Grafana.

What You'll Do:

• Operate and maintain large Kubernetes clusters in our data centers and in public cloud
• Troubleshoot problems with nodes, pods, networking, DNS, storage, and the control plane, and escalate when a problem needs more help
• Take shifts in the on-call rotation and work incidents through to resolution with the rest of the team
• Carry out planned changes like cluster and node upgrades, add-on updates, certificate rotation, and adding capacity, following our change process
• Build and tune alerts and dashboards in Prometheus, Thanos, Alertmanager, and Grafana
• Write tools in Go or Python to replace repetitive manual work
• Keep runbooks and documentation up to date
• Use AI tools in your daily work to troubleshoot and automate
• Join design discussions and learn how the wider platform fits together
• Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.

What You'll Need:

• Must be eligible for CJIS clearance, which requires U.S. citizenship or Green Card/permanent resident status
• 3+ years in infrastructure, systems, or platform engineering, with at least 2 years running Kubernetes in production
• Working knowledge of Kubernetes workloads, services, networking, ingress, DNS, storage, and RBAC, and how to troubleshoot them with kubectl and logs
• Strong Linux administration and troubleshooting skills
• Experience with Prometheus, Alertmanager, and Grafana
• Programming or scripting experience in Go or Python, and an interest in writing more Go
• Experience with at least one of AWS, GCP, or OCI
• Experience wi
• th Ansible, Terraform, Helm, or similar tools, and with git
• Willingness to be on call
• Experience using AI tools in your engineering work

Bonus Points:

• Thanos experience
• Experience with Kubernetes add-ons such as CoreDNS, ingress controllers, CNI plugins, or cert-manager
• Experience deploying microservices
• Exposure to writing Kubernetes controllers or operators
• Experience with bare metal or on-premises infrastructure
• Certified Kubernetes Administrator (CKA) or a similar certification
• Experience working with both local and remote teams
• Clear written and verbal communication
• Comfortable working on your own, and knows when to ask the team for help
• Bachelor's degree in Computer Science

Benefits of Working at CrowdStrike:

• Market leader in compensation and equity awards

• Comprehensive physical and mental wellness programs

• Competitive vacation and holidays for recharge

• Paid parental and adoption leaves

• Professional development opportunities for all employees regardless of level or role

• Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections

• Vibrant office culture with world class amenities

• Great Place to Work Certified™ across the globe

CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.

CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.

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Originally posted on Himalayas

Description

Our Platform Engineering team is looking for a Senior Site Reliability Engineer to help run, maintain, and improve the performance of our Ruby on Rails Stack and Infrastructure. You will help scale our application using best in class architecture and software design. This includes training, software engineering, system design, and operational practices that support the needs of our engineers and customers while accounting for future growth. You will be entrusted with proactively identifying and owning initiatives that will help improve the performance, reliability, and scalability of our application stack and databases.

Our team treats AI as a core part of how we engineer. We build and use AI agents, skills, and automated workflows to handle toil, speed up investigation and remediation, and give our engineers more time for high-leverage work.

More About Our Team and Company

• Watch our culture videos:
• Engineering culture, interview process and videos:
• Fleetio Go overview video:
• More about the Fleetio platform:
• API docs:
• Test drive Fleetio to get an even better feel for what we're building:

This is a remote opportunity and is open to candidates in the United States.

Who You Are

Our ideal candidate is an Infrastructure Engineer experienced in scaling Ruby on Rails applications, with a passion for optimization and performance improvements. You bring a strong background in Site Reliability and Infrastructure Engineering for Rails applications. You follow Agile and DevOps principles, can effectively influence teams to achieve goals, and demonstrate excellent problem-solving skills in our fast-paced environment.

You're curious about how AI is changing infrastructure and reliability work, and you're eager to shape how a platform team puts it to use.

Your Impact

As a Senior Site Reliability Engineer on Fleetio's Platform Engineering team, you will:

• Proactively identify, triage, and resolve performance issues
• Enhance system observability by monitoring performance metrics across Ruby, Rails, and database systems, including SLOs and SLIs
• Build and maintain AI agents, skills, and automations that reduce operational toil across incident response, triage, and routine maintenance
• Use AI-assisted tooling to accelerate performance analysis, root-cause investigation, and code review
• Collaborate with other SREs to proactively identify and address performance bottlenecks
• Help product engineers adopt AI-driven workflows for performance and reliability best practices
• Lead database capacity planning and upgrade initiatives
• Manage the database-specific components of disaster recovery planning and execution
• Oversee backup systems and pre-production databases
• Create and maintain infrastructure and operations documentation, including runbooks and context that both engineers and AI agents can act on
• Participate in the on-call rotation

Your Experience

• 5+ years of Ruby/Rails Experience
• 3+ years of AWS Experience
• Kubernetes experience
• Experience with profiling and benchmarking source code
• Effective at code review and identifying potential performance problems before they reach production
• Experience with Datadog or other APM tools
• Excellent written and verbal communication skills

Considered a Plus

• Experience building AI agents, LLM-powered automations, or integrations (e.g., using tool/function calling or MCP) for engineering or operations workflows
• Infrastructure as Code tools (Terraform)
• Deep understanding of cloud network fundamentals (routing, firewalls, load balancers, CDNs, VPCs, etc.)
• Experience with distributed event and data stores, such as Kafka, Redis, Elasticsearch, Memcached, and TimescaleDB
• You know a thing or two about the fleet management industry

Originally posted on Himalayas