Senior Site Reliability Engineer - SLO-Driven Observability

Peraton; Herndon (VA); On-site; USD 104,000 - 166,000; Full time

Benefits offered by this job

Parental leave

Paid time off

Paid holidays

Long term disability

401(k)

Job summary

Peraton Labs seeks a Senior Site Reliability Engineer to own the reliability of enterprise applications end-to-end in a US environment. You will define SLOs, enforce error budgets, and build dashboards and alerting to reflect real system behavior.

You will write production Python and Rust code to improve observability, resilience, and performance, spending significant time in the codebase. You will monitor and instrument services, manage CloudWatch and Prometheus/Grafana dashboards, and lead

Qualifications

• Bachelor's degree and 8+ years in SRE, platform, or software engineering with production reliability ownership.
• Strong Python; Rust experience preferred; able to ship production code and debug complex systems.
• SLOs and error budgets; defining targets and using burn rates to guide releases.
• Monitoring and alerting ownership across CloudWatch, Prometheus, Grafana.
• Application instrumentation with metrics, logging, and tracing.
• Security/compliance awareness: least privilege, audit evidence, and federal standards.

Responsibilities

• Write, review, and ship production Python and Rust code to fix performance, concurrency, and failure-handling issues.
• Instrument services with metrics, structured logging, and distributed tracing.
• Own monitoring and alerting (CloudWatch, Prometheus/Grafana); build low-noise alerts tied to SLOs.
• Build in-application health checks and scripted user-journey tests for critical flows.
• Lead incident response and blameless postmortems; drive corrective actions.
• Operate AWS services and EKS/Kubernetes (Helm, RBAC, GitOps) and IaC (OpenTofu/Terraform).
• Maintain CI/CD pipelines with reliability and performance gates.

Skills

SLOs and error budgets

Monitoring and alerting ownership

Application instrumentation

Synthetic health checks

Incident management

AWS / AWS services

EKS / Kubernetes operations

CI/CD (GitHub Actions / GitLab CI)

Infrastructure-as-code (OpenTofu / Git

Agile delivery

Security and compliance awareness

US Citizenship

Education

Bachelor's Degree in a technical field

Tools

OpenTelemetry

Grafana

Prometheus

CloudWatch

Kubernetes / EKS

GitHub Actions

GitLab CI

OpenTofu

Terraform

Helm

Job description

Peraton Labs seeks a Senior Site Reliability Engineer to own the reliability of enterprise applications end-to-end in a US environment. You will define SLOs, enforce error budgets, and build dashboards and alerting to reflect real system behavior.

You will write production Python and Rust code to improve observability, resilience, and performance, spending significant time in the codebase. You will monitor and instrument services, manage CloudWatch and Prometheus/Grafana dashboards, and lead