Platform Engineer - TS/SCI with CI Polygraph

Modern Government Solutions•McLean, VA

5d•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 engineer will work with a team building and securing enterprise-grade infrastructure and development pipelines, collaborating across the organization to support platform reliability and security. The role is full-time and on-site in McLean, Virginia, with travel up to 20% for installations, maintenance, and troubleshooting at customer sites or data centers. An active DoD TS/SCI with CI Poly clearance is required.

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 and Kubernetes packaging tools such as Helm and Kustomize.
Strong Linux/Unix administration skills and a solid grasp of 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 principles, along with strong problem-solving, communication, and collaboration skills.

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 GitOps practices.
Provision infrastructure as code and manage Kubernetes deployments with Helm and Kustomize.
Secure Kubernetes environments through RBAC, admission controllers, vulnerability scanning, and secret management.
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.