Senior Site Reliability Engineer
Peraton · UNAVAILABLE, UNAVAILABLE, US
About this role
## Senior Site Reliability Engineer (SRE) ### Peraton Overview Peraton is a next-generation national security company that delivers trusted solutions and enterprise IT to protect our nation and allies. Peraton operates at the nexus between traditional and nontraditional threats across land, sea, space, air, and cyberspace. ### Responsibilities - Own end-to-end reliability of an enterprise application: - Define and enforce **SLOs/SLIs** and **error budgets** - Build **dashboards** and **alerting** to reflect real system behavior - Use **burn rates** to guide release and prioritization decisions - Write, review, and ship production **Python and Rust** code to improve: - Performance, concurrency, and failure-handling - Observability, resilience, and self-checking behavior - Instrument services with: - **Metrics**, **structured logging**, and **distributed tracing** (OpenTelemetry or equivalent) - Own monitoring and alerting (e.g., **CloudWatch**, **Prometheus/Grafana**): - Build low-noise, SLO-based burn-rate alerts - Manage alert routing and on-call hygiene - Design service/SLO/executive dashboards - Build in-application health checks and synthetic user-journey tests that exercise real auth flows and critical transactions - Lead incident response, run **blameless postmortems**, and drive corrective actions to closure - Operate **Amazon EKS/Kubernetes** (Helm, RBAC, pod identity, GitOps, upgrades) and core **AWS** services (IaC via OpenTofu/Terraform) - Maintain CI/CD pipelines (GitHub Actions/GitLab CI) with reliability and performance gates - Support trunk-based, MR-driven Agile delivery - Enable progressive rollouts (canary/blue-green) - Enforce secrets management and least privilege; produce audit evidence for NIST 800-171, CMMC, FedRAMP, or DoD/ATO environments - Drive load testing, capacity planning, and chaos engineering; mentor engineers on reliability practices ### Required Qualifications - Bachelor’s degree and **8+ years** in SRE, platform, or software engineering with production reliability ownership - Strong software engineering in **Python**; **Rust strongly preferred** - Ability to read, debug, and ship production changes (performance, concurrency, failure-handling) - Comfortable working in unfamiliar codebases (including with AI-assisted development tools) - Judgment and code review rigor; SLO/error budget and monitoring/alerting ownership - Experience with: - CloudWatch and/or Prometheus/Grafana - Grafana (or equivalent) for operational dashboards - OpenTelemetry (or equivalent) for instrumentation - Synthetic/transactional health checks (e.g., CloudWatch Synthetics, k6, Checkly) - Incident management and blameless postmortems - Amazon EKS/Kubernetes (Helm, RBAC, pod identity, GitOps, upgrades) - AWS core services (VPC, IAM, S3, RDS, CloudTrail, CloudWatch, KMS) - CI/CD in GitHub Actions and/or GitLab CI with reliability/performance gates - Infrastructure-as-code (OpenTofu/Terraform) - Agile delivery (trunk-based, MR-driven change, automated quality gates) - Secrets management, least privilege, and audit evidence (ideally NIST 800-171, CMMC, FedRAMP, or DoD environments) - **US Citizen required** ### Desired Qualifications - Production **Rust** experience (async/Tokio, FFI with Python via PyO3, or similar) - Load/performance testing (k6, Locust, or equivalent) and capacity planning - Chaos engineering / fault-injection testing - Progressive delivery (canary/blue-green with au
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