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Site Reliability Engineer, Strategic Defense

And*** · Washington, DC, United States
Washington, DC, United StatesExp: 3-8 yrs147,000-196,000 USD/yearlyOnsite
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Remuneration
Competitive equity grants and benefits for full-time employees
Location
Washington, DC, United States
Visa sponsorship
Sponsors visa

Job summary

The Site Reliability Engineer builds and operates infrastructure for a software-defined command and control system supporting integrated air and missile defense. The role provisions and hardens bare-metal servers, runs self-managed Kubernetes clusters on-premises and at the edge, and delivers software across disconnected, air-gapped, and classified networks. It also involves troubleshooting from Linux through Kubernetes, automating fleet operations with Python and Bash, and installing and supporting systems at customer sites.

Benefits

Competitive equity grantsBenefits package available at little to no cost to employees

Qualifications

  • Possess and maintain an active U.S. Top Secret security clearance.
  • Have 3–8+ years of hands-on infrastructure, systems, or site reliability engineering experience.
  • Understand Linux processes, system calls, memory, filesystems, inodes, systemd, permissions, and SELinux; troubleshoot from the shell.
  • Understand TCP/UDP, DHCP, DNS, routing, VLANs, and firewalls, and trace network requests hop by hop.
  • Understand Kubernetes Services, kube-proxy, CNI, DNS, scheduling, resource requests and limits, and storage; troubleshoot with kubectl.
  • Write and debug Python and Bash scripts for log and text parsing, file and process handling, retries, and error handling.
  • Preferred: Experience with air-gapped, classified, or security-hardened systems.
  • Preferred: Experience designing distributed systems for edge or disconnected, intermittent, and limited-connectivity environments, including mesh networking, store-and-forward, peer distribution, or QoS.
  • Preferred: Infrastructure as code or GitOps experience with Terraform, Ansible, ArgoCD, or Flux; Nix experience is a plus.
  • Preferred: Experience with observability tools such as Prometheus, Grafana, Loki, or OpenTelemetry.
  • Preferred: Knowledge of image signing, PKI, certificate authorities, LUKS disk encryption, or FIPS.
  • Preferred: Ability to read, debug, and modify Go, Python, Rust, or C++ software.

Responsibilities

  • Provision servers from rack installation through production using PXE boot, kickstart, BMC/iDRAC, firmware updates, and STIG hardening.
  • Operate self-managed RKE2, k3s, or Talos Kubernetes clusters on-premises and at the edge, including networking, storage, upgrades, and capacity.
  • Design software and data delivery for nodes with intermittent connectivity, limited bandwidth, and short update windows.
  • Deploy and update systems on air-gapped and classified networks, including through cross-domain solutions and data diodes.
  • Troubleshoot failures across Linux, networks, and Kubernetes; lead root cause analyses and postmortems.
  • Build fleet automation with Python and Bash and manage infrastructure as code.
  • Install and support systems at customer sites.

Skills

AnsibleArgo CDBashC++FluxGoGrafanaK3sKubernetesLinuxLokiOpenTelemetryPrometheusPythonRustTerraformWindows

Travel

Travel to customer sites to install and support systems

Industry

Defense technologyIntegrated air and missile defense

Security clearance

Active U.S. Top Secret security clearance required

Relocation

No
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