Backend Developer

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 Back End services for secure, mission-driven applications. Your expertise in Back End 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 Back End 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 Back End 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.