Platform Engineer - TS/SCI with CI Polygraph

Modern Government Solutions • McLean, VA

3d • Onsite

About The Position

Modern Government Solutions (MGS) is seeking a Platform Engineer to design, deploy, maintain, and secure infrastructure supporting artificial intelligence workloads. The role involves building and securing enterprise-grade infrastructure and development pipelines in collaboration with teams across the organization, with a focus on platform reliability and security. The position is on-site in McLean, Virginia, requires an active DoD TS/SCI with CI Poly clearance, and includes travel up to 20% for installations, maintenance, and troubleshooting at customer sites or data centers.

Requirements

• Active DoD TS/SCI with CI Poly security clearance.
• At least 5 years of professional experience designing, deploying, securing, and maintaining Kubernetes-based infrastructure.
• Current IAM Level II certification to satisfy DoD 8570 IAT requirements.
• Strong knowledge of Kubernetes networking, including CNI plugins, network policies, service meshes, and DNS.
• Hands-on CI/CD and GitOps experience with industry-standard tools.
• Proficiency with Infrastructure as Code tools such as Terraform, Pulumi, or CloudFormation, and Kubernetes packaging tools such as Helm and Kustomize.
• Strong Linux/Unix administration skills and a solid grasp of core networking protocols, including TCP/IP, DNS, HTTP, and load balancing.
• Scripting ability in Python, Go, or Bash, and expert-level Git and collaborative development workflow skills.
• Deep understanding of DevOps and Site Reliability Engineering (SRE) principles.
• Strong problem-solving, communication, and collaboration skills.
• Applicants selected will be United States citizens and may be subject to a government security investigation for access to classified information.

Nice To Haves

• Relevant certifications such as CKA, CKAD, CKS, AWS Certified DevOps Engineer, or Azure DevOps Engineer Expert.
• Experience with Kubernetes operators, custom resource definitions (CRDs), or building internal developer platforms (IDPs).

Responsibilities

• Design, deploy, secure, and maintain highly available, scalable Kubernetes clusters, including control plane and worker node architecture.
• Build and maintain automated CI/CD pipelines using industry-standard tools and GitOps practices.
• Provision infrastructure as code and manage Kubernetes deployments with Helm and Kustomize.
• Secure Kubernetes environments using RBAC, admission controllers, vulnerability scanning, and secret management tools.
• Implement monitoring, logging, alerting, and distributed tracing, and troubleshoot issues across the full stack.
• Write automation scripts and custom tooling in Python, Go, or Bash.
• Mentor junior engineers and lead technical initiatives.
• Travel up to 20% for on-site installations, maintenance, and troubleshooting at customer sites or data centers.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed