Site Reliability Engineer, Space

Job description

Job responsibilities

• Serve as a senior technical subject matter expert on a growing Product Operations team supporting a live, operational DoD system, helping set the standard for how the team operates, communicates, and solves problems
• Stand up, harden, and maintain classified Linux-based infrastructure across globally distributed sites in air-gapped environments
• Apply and enforce STIG compliance and system hardening standards across all deployed environments this is not checkbox work, you will own the security posture
• Build, maintain, and evolve infrastructure as code using Ansible/Puppet automating provisioning, configuration management, and deployment pipelines
• Write and maintain operational tooling, automation scripts, and workflow optimizations in Bash and Python
• Architect and maintain comprehensive observability across the stack using Splunk/ELK/Open Search logging, alerting, and tracing for distributed systems
• Manage and operate containerized workloads in Kubernetes at scale in production, classified environments
• Provide real-time incident response, rapid root-cause analysis, and resolution of complex issues spanning application code and backing infrastructure

Job requirements

• Active U.S. Secret security clearance (non-negotiable must currently hold and be able to maintain- preferred TS/SCI clearance)
• 5+ years of hands-on experience with Kubernetes in production environments deploying, scaling, debugging, and managing containerized workloads. This is core to the role, not adjacent.
• Expert-level Linux proficiency you live in the terminal, you understand the OS deeply (networking, filesystems, systemd, SELinux, kernel tuning) but this is an engineering and operations role, not a sysadmin role.
• Proven experience with STIG compliance and system hardening you've applied STIGs, remediated findings, and understand the "why" behind the controls, not just the checklist
• Strong experience standing up infrastructure in air-gapped/classified environments you understand the unique constraints and have operated in them
• Proficiency with Ansible Puppet and Terraform for building, managing, and versioning infrastructure as code at scale
• Strong scripting ability in Bash and Python writing production-grade automation, tooling, and operational scripts
• Hands-on experience with observability tooling Prometheus, Grafana, and ELK Stack (Elasticsearch, Logstash, Kibana) for monitoring, logging, alerting, and tracing distributed systems