DevOps Engineer at ManTech summary: The DevOps Engineer designs, deploys, and maintains scalable and secure infrastructure using Kubernetes, Docker, and automation tools in a mission-driven enterprise IT environment. They collaborate with developers and security teams to ensure secure backend services and infrastructure compliance. The role supports containerization, infrastructure automation, and troubleshooting within Linux-based environments to sustain enterprise-wide IT capabilities.

Mantech seeks a highly motivated and collaborative DevOps Engineer to join our team in Hanover, MD .

This position will support the development, deployment, and sustainment of secure backend and infrastructure services in a mission-driven enterprise environment. You will be part of the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s foundational Enterprise Information Technology (EIT) platform, enabling enterprise-wide capabilities for a global user base.

Responsibilities include, but are not limited to: Design, deploy, and maintain scalable and secure infrastructure in Kubernetes environments using GitOps workflows with Flux, Kudectl, and Kustomize Integrate and manage service mesh technologies such as Istio for secure traffic flow and observability Support containerization pipelines using Docker and automate builds with Maven Manage system documentation and inventories across the lifecycle to ensure compliance and traceability Conduct development and troubleshooting within Linux environments and support script-based automation using Python Collaborate with software developers and security analysts to align infrastructure support with secure coding and authorization needs Address POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings and support remediation actions

Minimum Qualifications: Bachelor’s degree with 12+ years of related experience OR associate’s degree with 15 years OR high school diploma/GED with 20 years of experience Experience with scripting and analysis skills in Python using Linux-based development environments Strong background in containerization with Docker and infrastructure automation using Maven Experience using Jira, Confluence, and IDEA IDE for agile collaboration.

Preferred Qualifications: Experience managing Kubernetes clusters with Istio and Rancher General DevOps Knowledge Proficiency with Git/GitLab Experience using Flux, Kudectl, and Kustomize Familiarity with streaming and caching tools such as Kafka and Redis

Clearance Requirements: Must have a current/active TS/SCI with Polygraph

Physical Requirements: Must be able to remain in a stationary position 50% of the time Occasionally moves about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

Keywords: DevOps, Kubernetes, Docker, Infrastructure Automation, Python Scripting, GitOps, Istio, Flux, Secure Backend Services, Linux