Senior Site Reliability Engineer (Arlington, VA) - Relocation Provided

What You'll Do You'll own the reliability, scalability, and security of the production application and/or platform. You will do this by: Implementing a World-Class Observability Platform: Design, implement, and manage our monitoring, logging, and alerting stack (e.g., Prometheus, Loki, Alloy, and Grafana). You won't just track metrics; you'll create the actionable insights and automated alerting that allow teams to identify and resolve issues before they impact users. Defining and Upholding Reliability: Define, measure, and own alerting that feeds into our Service Level Indicators (SLIs) and Service Level Objectives (SLOs), increasing trust internally and externally. You will be the organization's expert on what it means for our systems to be reliable and how to measure it. Leading Incident Response: Act as the incident responder and potentially incident commander during critical incidents who will lead blameless post-mortems / After Action Reviews (AARs) that identify true root causes and drive automated, long-term solutions to prevent recurrence. Automating for Scale and Security: Partner with platform engineers to design, build, and manage secure, resilient Kubernetes clusters and cloud/on-prem environments using Infrastructure-as-Code (Terraform, Ansible). You will embed security and compliance controls (RMF, STIGs) directly into this automation. Eliminating Toil and Scaling

the Team: Proactively identify and eliminate operational toil by building automation. You will partner with other teams to share best practices for air-gapped environments and support their readiness for production. What We Look For An active Top Secret clearance 5+ years in Platform, DevOps, or Site Reliability Engineering with an infrastructure and operations focus. Proven partner to DevOps/Platform and application teams; collaborates well across functions and shares context openly. A deep understanding of incident response processes, with experience conducting thorough root cause analyses and driving continuous improvement. Technical expertise Infrastructure as Code: Terraform (or CloudFormation), Ansible. Containers and orchestration: Kubernetes design, deployment, and operations. CI/CD: experience building and maintaining pipelines (GitLab CI/CD, Jenkins, GitHub Actions). Scripting: proficiency with at least one of Python, Go, or Bash. Cloud: Familiarity with AWS or AWS GovCloud. Observability: Grafana stack, ELK stack, or Datadog. Networking fundamentals: core protocols and secure configurations.

Bonus points (

nice to have) Experience in DoD environments and compliance frameworks (RMF, STIGs, ICD 503). GitOps practices and toolchains. Security‑minded design for sensitive environments. Experience designing and implementing meaningful SLIs/SLOs (including error budgets) for complex, distributed systems. Familiarity with on‑prem virtualization(VMware, Proxmox, Nutanix, Hyper-V, etc). Service mesh exposure (Istio, Linkerd). Relevant certifications (e.g., AWS DevOps Engineer, CKA/CKAD). Active Security+ or another DoD 8570.01-approved security credential, or the ability to obtain the valid credentials within 3 months of employment. Notice to Third Party Recruitment Agencies Please note that Onebrief does not accept unsolicited resumes from recruiters or employment agencies. In the absence of an executed Recruitment Services Agreement, there will be no obligation to any referral

compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without an agreement Onebrief explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted to hiring managers, shall be deemed the property of Onebrief.

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