Senior DevOps / Site Reliability Engineer (SRE)

Clearance Required: Active TS/SCI required; CI Polygraph preferred, Full Scope Polygraph highly preferred. Candidates eligible for polygraph upgrade will be considered. Position Overview We are seeking an experienced Senior DevOps / Site Reliability Engineer (SRE) to support a mission-critical national security program. This position is ideal for a hands-on engineer with deep expertise in AWS cloud environments, Linux systems administration, infrastructure automation, and software development. The successful candidate will help design, build, automate, secure, and maintain highly available production environments supporting classified operations. Candidates must possess strong coding skills and be comfortable completing a technical coding interview as part of the hiring process. Responsibilities Design, implement, and maintain highly available cloud infrastructure within AWS environments. Develop and maintain Infrastructure as Code (IaC) using tools such as Terraform, CloudFormation, or similar technologies. Build, manage, and optimize CI/CD pipelines to support rapid, secure software delivery. Administer and troubleshoot enterprise Linux environments (RHEL, CentOS, Ubuntu, Amazon Linux). Monitor system health, performance, and reliability using modern observability platforms. Automate operational tasks using Python, Bash, or similar scripting languages. Troubleshoot production issues across infrastructure, networking, and application layers. Collaborate with software engineers to improve application reliability, scalability, and performance. Implement security best practices and ensure compliance with government security requirements. Participate in on-call support and incident response as required. Required Qualifications Active TS/SCI clearance CI Polygraph preferred; Full Scope Polygraph highly preferred (upgrade sponsorship available for qualified candidates) 6+ years of DevOps, Site Reliability Engineering, Systems Engineering, or Cloud Engineering experience Strong AWS experience supporting production environments Expert-level Linux administration and troubleshooting Strong scripting and automation experience using Python, Bash, or similar languages Experience building and maintaining CI/CD pipelines Experience with containerization technologies such as Docker and Kubernetes Experience with Infrastructure as Code (Terraform, CloudFormation, Ansible, or similar) Strong understanding of networking fundamentals, DNS, load balancing, storage, and security Excellent troubleshooting and problem-solving skills Ability to successfully complete a live coding interview Preferred Qualifications AWS Solutions Architect, SysOps Administrator, or DevOps Engineer certification Experience supporting Intelligence Community or DoD classified environments Experience with Kubernetes orchestration at scale Experience with Prometheus, Grafana, ELK, Splunk, CloudWatch, or similar monitoring platforms Familiarity with Git, GitLab, GitHub Actions, Jenkins, or similar DevSecOps toolchains Experience implementing security controls within cloud-native architectures Desired Technical Skills AWS (EC2, IAM, VPC, ECS/EKS, Lambda, CloudWatch, S3) Linux (RHEL, Ubuntu, Amazon Linux) Python Bash Terraform CloudFormation Ansible Docker Kubernetes Git Jenkins or GitLab CI Prometheus Grafana Splunk Elasticsearch CI/CD Infrastructure as Code (IaC)