Backend Developer

ManTech seeks a driven and collaborative Backend Develope r to join our team in Columbia, MD . In this role, you will contribute to the development and deployment of backend services supporting mission-focused, scalable applications. You will apply your knowledge of backend technologies, DevOps practices, and cybersecurity compliance to enhance system reliability, performance, and authorization processes in a secure enterprise environment. You will play a critical role in supporting enterprise infrastructure capabilities for a global mission-focused workforce. This position is part of a high-visibility effort supporting the Enterprise Infrastructure Services (EIS) organization responsible for MPOs Enterprise Information Technology (EIT)the foundational platform for enterprise-wide users. You will partner with customers, Integrated Product Teams (IPTs), and vendors to help deliver advanced EIT capabilities through Data Center & Compute Services.

Responsibilities include but are not limited to:

• As a backend developer, you will build and maintain service components in a dynamic development environment. You will also support system compliance by helping maintain inventories and documentation across system lifecycles.
• Integrate with service mesh technologies such as Istio to manage traffic and security
• Utilize Kafka for reliable data streaming and event-driven architecture
• Use Flux, Kubectl, and Kustomize to support GitOps-based Kubernetes deployments
• Leverage Docker for containerization and Maven for build automation
• Collaborate with teams via Jira and Confluence to manage requirements, track progress, and document solutions
• Perform development and analysis in Linux environments using Python (including notebooks) 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
• Review and address POAMs (Plan of Action and Milestones) for IAVA findings
  

Minimum Qualifications:

• Bachelors degree with twelve (12) years of relevant experience
• OR Associates degree with fifteen (15) years of relevant experience
• OR High School Diploma/GED with twenty (20) years of relevant experience
  

Preferred Qualifications:

• Experience with Istio and Rancher in managing service meshes and Kubernetes clusters
• Proficiency in Redis, Kafka, Docker, Maven, and GitOps workflows using Flux
• Familiarity with Kubectl, Kustomize, and Linux system development
• Background using Jira, Confluence, and the IntelliJ IDEA IDE
• Working knowledge of Python scripting and notebook-based data analysis
• Experience 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