Platform Engineer

Job Title: Senior Platform EngineerClearance: Active TS/SCI with CI Poly Citizenship: U.S. Citizen

Overview Seeking a Senior Platform Engineer to design, deploy, and automate modern cloud‑native and on‑prem infrastructure. This role supports platform engineering, DevSecOps practices, and delivery of secure, scalable solutions.

Key Responsibilities• Deploy infrastructure across cloud and on‑prem environments using both automated IaC tool‑suites and manual configuration methods, ensuring consistent, reliable, and secure deployments• Collaborate with Agile teams to plan, develop, and deliver high‑quality engineering work products, contributing to sprint activities and continuous improvement• Provide troubleshooting support to quickly resolve configuration and operational issues• Maintain understanding of Linux environments and operating system fundamentals• Understand resource sizing and configuration mapping across multiple infrastructure services (DNS, NTP, LDAP, Cloud Services, etc.)

Required Qualifications• Bachelor’s degree in a STEM field and 5+ years of related experience• Strong communication skills with ability to explain complex technical topics• Hands-on experience managing Red Hat Linux environmentsRequired Technical Skills• Deploying cloud infrastructure using Terraform, Ansible, and Helm• Experience with containerized environments: EKS, EKS Auto Mode, and Kubernetes• Understanding of cloud vs. on‑prem deployments and configuring resources across bothPreferred Qualifications• Broad knowledge of servers, networking, storage, and virtualization• AWS architecture and integration experience• DevSecOps experience with integrated security practices

• Experience with cloud metrics and logging dashboards (Grafana, Prometheus, Promtail, Loki)• Strong Linux troubleshooting and automation scripting (Python, Bash)• Familiarity with CI/CD tools (Jira, Confluence, Jenkins, GitLab, Artifactory, Helm)• Experience integrating COTS and FOSS technologies in secure environments