Lead Site Reliability Engineer

Peraton is a national security and enterprise IT company supporting government and defense missions. The Lead Site Reliability Engineer will ensure the reliability, resilience, and recoverability of mission-essential platforms by leading disaster recovery drills, validating platform rebuilds, developing infrastructure automation, and supporting cloud-based environments and modernization efforts.

Responsibilities:

• Supporting full lifecycle platform portability and disaster recovery (DR) drill execution, including validation of platform rebuild procedures and DR playbooks
• Executing infrastructure level drill activities to ensure the platform can be fully rebuilt within the 48hour recovery target
• Verifying end to end data completeness, integrity, and accuracy during drill exercises, documenting results and remediation recommendations
• Identifying exit readiness gaps across infrastructure, deployment automation, monitoring, and data recovery processes, and driving corrective actions with engineering teams
• Designing, implementing, and supporting automated IaaC workflows utilizing Terraform, AWS CloudFormation, and standardized CI/CD pipelines
• Managing and optimizing Kubernetes clusters and containerized workloads (Docker), including cluster provisioning, scaling, and workload reliability improvements
• Building and maintaining observability solutions using CloudWatch, Datadog, and other monitoring/alerting tools to ensure service reliability and proactive incident response
• Developing automation, tooling, and scripts using Python or Java to reduce manual processes and enhance operational repeatability
• Collaborating with platform engineering, security, applications, and data teams to ensure consistent, secure, and compliant platform operations
• Participating in on‑call rotations, root cause analyses, and incident response activities to improve system resilience and operational excellence

Requirements:

• Bachelor's degree and 8–10 years of relevant SRE, DevOps, cloud engineering, or infrastructure engineering experience; or 12 years of experience with a high school diploma
• Expert level hands on knowledge of AWS services across compute, networking, storage, IAM, and serverless components
• Strong experience with Infrastructure as Code (Terraform, CloudFormation) and infrastructure automation principles
• Experience building CI/CD deployment pipelines and progressive delivery mechanisms using GitHub actions or similar tools
• Deep understanding of Kubernetes administration, container orchestration, and Docker based deployments
• Proven experience validating DR processes, performing system rebuilds, and conducting data integrity checks
• Experience building monitoring tools like dashboards, metrics, logs, and alerting systems using CloudWatch, Datadog, or similar observability tools
• Proficiency with programming/scripting languages such as Python, Java, or C# or Go
• Experience debugging complex failure modes, including cascading failures, network partitions, backpressure, and eventual consistency issues
• Strong analytical and documentation skills with the ability to clearly communicate technical findings to cross functional teams
• Ability to work in a fast-paced environment supporting high visibility, mission critical systems
• Ability to obtain a Public Trust clearance
• US Citizen or Green Card Holder
• AWS DevSecOps Engineer certification (preferred)
• Additional AWS certifications (Solutions Architect, SysOps, Developer) and/or Kubernetes certifications (CKA, CKAD)
• Familiarity with Zero Trust security models and cloud security best practices
• Experience with GitLab, Jenkins, or similar CI/CD platforms
• Experience with highly regulated environments (healthcare, finance, DHS, DoD, CMS, etc.)
• Experience supporting federal, defense, or largescale enterprise programs involving legacy-to-cloud modernization
• Prior involvement in large‑scale DR drills, continuity of operations (COOP), or portability/executable readiness assessments