Backend Developer

General information

Requisition # R61217 Locations USA-MD-Columbia Posting Date 06/16/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

ManTech seeks a driven and collaborative Backend Developer 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 MPO’s 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:

• Bachelor’s degree with twelve (12) years of relevant experience
• OR Associate’s 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

The projected compensation range for this position is $175,800.00-$312,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, ManTech invests in it’s employees beyond just compensation.  ManTech’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

ManTech International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with ManTech, please email us at careers@mantech.com and provide your name and contact information.