Senior DevSecOps / Platform Engineer

LMI is a digital solutions provider focused on accelerating government impact through innovation. The Senior DevSecOps / Platform Engineer will design, deploy, and maintain a Platform-as-a-Service (PaaS) environment, ensuring stability, security, and speed for Navy logistics and asset visibility applications.

Responsibilities:

• Architect, build, and maintain robust GitLab Pipelines for seamless application deployment
• Play a key role in assisting the Platform team with the migration of legacy repositories and workflows from BitBucket to GitLab (IronSled)
• Design, deploy, and manage the infrastructure behind our apps—across AWS GovCloud, edge, and Navy networks using Terraform, Ansible, and GitLab
• Drive containerization efforts for mission-critical applications (NADACS, SPECTR, etc.) and manage Kubernetes
• Develop and maintain Helm Charts for deployments and ensure cluster resilience through automated Kubernetes backups and recovery testing (e.g., Velero)
• Engineer automated processes for RHEL image hardening and execute automated STIG checklists
• Integrate continuous, automated security scanning directly into pipelines to maintain Authority to Operate (ATO) status and support ICAM integration
• Establish comprehensive continuous monitoring, alerting, and reporting mechanisms (e.g., Prometheus/Grafana) across the platform
• Oversee cryptographic lifecycles through rigorous secrets management and automated key rotations

Requirements:

• Active Secret clearance or higher (required)
• Meet DoD 8570/8140 baseline certifications (e.g., CompTIA Security+ CE)
• 5+ years of experience (Mid-to-senior level) functioning as a DevSecOps or Platform Engineer, specifically within DoD, federal, or highly regulated environments
• Significant experience deploying and managing cloud infrastructure using AWS GovCloud and hybrid cloud environments
• Hands-on Kubernetes administration and custom Helm chart development
• Strong background in RHEL system administration and scripting automated system/container hardening
• Advanced proficiency building pipelines natively in GitLab, with experience handling migrations from BitBucket
• An automation-centric approach to eliminate manual toil
• A security-first mindset that treats security as a foundational element
• Knowledge of secure identity and access management (ICAM) protocols (SAML, OAuth2, OIDC)
• Proficiency in at least one language (e.g., Python)
• CKAD or CKA certification
• Master's degree in Computer Science or a related field
• Prior experience with U.S. Navy programs or command and control platforms
• Experience securing or operating IL5+ environments
• AWS Certification (Solutions Architect or Developer Associate)