Mantech

ManTech seeks a driven and collaborative Backend Developer to join our team in Columbia, MD.
In this role, you will support the development and deployment of backend services for secure, mission-driven applications. Your expertise in backend technologies, DevOps practices, and cybersecurity compliance will directly contribute to enhancing system reliability, performance, and authorization in a secure enterprise setting. You will play a vital part in enabling enterprise infrastructure capabilities for a global workforce through the Enterprise Infrastructure Services (EIS) organization—responsible for MPO’s foundational Enterprise Information Technology (EIT). Collaborating with customers, Integrated Product Teams (IPTs), and vendors, you will help advance EIT capabilities across Data Center & Compute Services.

Responsibilities include, but are not limited to:

• Build and maintain backend service components in a fast-paced development environment

• Help maintain system inventories and documentation across the lifecycle to support compliance

• Integrate service mesh technologies like Istio to manage traffic flow and security

• Utilize Kafka for data streaming and event-driven architecture

• Use Flux, Kubectl, and Kustomize to implement GitOps-based Kubernetes deployments

• Leverage Docker for containerization and Maven for build automation

• Collaborate with teams using Jira and Confluence for requirements, tracking, and documentation

• Conduct development and analysis in Linux environments using Python and IntelliJ IDEA (IDE)

• Participate in Secure the Enterprise (STE) and Secure the Network (STN) activities

• Review Xacta notices and complete SEAR audit log records

• Address POAMs (Plan of Action and Milestones) related to IAVA findings

Minimum Qualifications:

You will bring a strong foundation in backend development and system compliance to succeed in this role:

• Bachelor’s degree with twelve (12) years of technical experience

• OR Associate’s degree with fifteen (15) years of technical experience

• OR High School Diploma/GED with twenty (20) years of technical experience

Preferred Qualifications:

The following experience will help you stand out:

• Experience managing service meshes and Kubernetes clusters with Istio and Rancher

• Proficiency in Redis, Kafka, Docker, Maven, and GitOps workflows using Flux

• Familiarity with Kubectl, Kustomize, and Linux-based development

• Experience using Jira, Confluence, and IntelliJ IDEA

• Python scripting skills, including notebook-based data analysis

• Familiarity with Gatekeeper, Xacta, SEAR, LatteArt, STE/STN activities, and POAM management

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.