Senior SRE - AWS, Kubernetes & CI/CD (Hybrid)

Serco; Roppenheim; Hybrid; EUR 127,000 - 163,000; Full time

Job summary

Serco Inc. seeks a Site Reliability Engineer to boost reliability, security, and performance of AWS-hosted apps and infrastructure. You will collaborate across development, cloud, cybersecurity, and operations teams to automate deployments, manage container workloads, and enhance CI/CD pipelines.

You will work a hybrid schedule with on-site support at the Pentagon, Arlington, VA up to 80%, applying security controls and best practices across Linux (RHEL), containers, and cloud services.

Qualifications

• Active interim or Secret security clearance.
• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related technical field.
• 5 years of experience in systems administration, cloud engineering, DevOps, SRE, or a related technical role.
• Active CompTIA Security+ certification.
• Hands-on experience working with AWS services and cloud infrastructure.
• Experience administering Linux, preferably Red Hat Enterprise Linux (RHEL).
• Experience with Docker container technologies.
• Previous experience supporting or working with a container orchestration platform, such as Kubernetes, Amazon EKS, or Amazon ECS.
• Experience building and managing container images and container registries.
• Experience developing, maintaining, or troubleshooting CI/CD pipelines.
• Working knowledge of Git and source-code management practices.
• Experience with scripting or automation using Python, Bash, and/or similar technologies.
• Understanding of networking fundamentals, including TCP/IP, DNS, HTTP/HTTPS, load balancing, routing, and firewalls/security groups.
• Experience troubleshooting complex technical issues across applications, operating systems, networks, and infrastructure.
• Ability to travel up to 10%.

Responsibilities

• Maintain and improve the reliability, availability, performance, and security of AWS-hosted applications and infrastructure.
• Support containerized applications using Docker, Kubernetes, Amazon ECS, and Amazon EKS.
• Administer and troubleshoot Red Hat Enterprise Linux (RHEL) servers and associated services.
• Develop, maintain, and troubleshoot CI/CD pipelines used to build, test, scan, and deploy applications and infrastructure.
• Support container orchestration platforms and automated application deployments.
• Automate infrastructure provisioning, configuration, deployment, and operational tasks.
• Implement and maintain monitoring, logging, alerting, and observability solutions.
• Troubleshoot application, container, operating system, networking, and AWS infrastructure issues.
• Participate in incident response, root-cause analysis, and corrective-action activities.
• Identify repetitive operational tasks and develop automation to reduce manual effort and operational risk.
• Work with development and security teams to integrate security controls and automated security testing into CI/CD pipelines.
• Develop and maintain operational documentation, runbooks, and standard operating procedures.
• Support system patching, vulnerability remediation, configuration management, and security‑hardening activities.

Skills

Security clearance

AWS

Docker

Kubernetes

Git

Python/Bash scripting

Education

Bachelor's degree in CS/IT/Engineering

Tools

Docker

Kubernetes

AWS

Job description

Serco Inc. seeks a Site Reliability Engineer to boost reliability, security, and performance of AWS-hosted apps and infrastructure. You will collaborate across development, cloud, cybersecurity, and operations teams to automate deployments, manage container workloads, and enhance CI/CD pipelines.

You will work a hybrid schedule with on-site support at the Pentagon, Arlington, VA up to 80%, applying security controls and best practices across Linux (RHEL), containers, and cloud services.