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From the employer's careers site First seen 1 Nov 2026

Senior Platform Engineer

Description

We are seeking a Senior Platform Engineer to support our Engineering team in Crystal City, VA. This role will lead the design, implementation, and management of our secure, on-premises cloud infrastructure.

Responsibilities:

  • Infrastructure & Orchestration: Architect, deploy, and manage on-premises cloud infrastructure using RKE2 and maintain storage solutions like Longhorn and Object storage.
  • Platform Enablement: Host and maintain robust data science environments, including software such as POSIT Workbench/Connect and Hive Metastore.
  • AI/ML Infrastructure: Manage and scale robust GPU clusters, Ray Clusters for fine-tuning machine learning models, and VLLM Routers for efficient model inference.
  • CI/CD & Automation: Build, maintain, and optimize CI/CD pipelines using Git, Helm charts, and ArgoCD for reliable software delivery.
  • Security & Compliance: Ensure continuous FIPS compliance across the environment. Actively manage and mitigate critical and high-level vulnerabilities.
  • Identity & Access: Implement and maintain robust authentication and authorization mechanisms using Keycloak and Open Policy Agent (OPA).
  • System Administration: Pull and manage container images from secure registries such as Harbor, Docker Hub, or Containeryard.

Requirements:

  • 15+ years of related experience
  • Current TS/SCI Clearance with current or willingness to obtain CI polygraph
  • Demonstrated experience designing, deploying, administering, and troubleshooting production Kubernetes environments;
  • Strong Linux systems administration skills;
  • Experience implementing authentication and authorization solutions;
  • Hands-on experience with Git-based development and deployment workflows;
  • Experience with Argo CD or similar tools;
  • Experience managing Kubernetes storage solutions;
  • Experience hosting and administering data science or analytics platforms;
  • Experience configuring and operating systems in accordance with FIPS or comparable security and compliance requirements;

Benefits:

  • Comprehensive benefits and wellness packages
  • 401K with company match
  • Competitive pay and paid time off
  • Award-winning culture of innovation and a military-friendly workplace

Skills

Required

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-VA-Arlington/SME-Platform-Engineer_RQ226853

Apply on Iron EagleX (IEX), a wholly owned subsidiary of General Dynamics Information Technology (GDIT)