Systems Engineer

General information

Requisition # R65452 Locations USA-MD-Annapolis Junction Posting Date 01/28/2026 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Systems Engineer to join our team in Annapolis Junction, MD.  This is an onsite position.

In this role, you'll apply your deep technical expertise to research, design, and develop computer and network software or specialized utility programs. Analyze user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis. Update software or enhance existing software capabilities. May work with computer hardware engineers to integrate hardware and software systems and develop specifications and performance requirements.   

Responsibilities include but are not limited to:

• Full Stack Python Engineering: Build and deploy full-stack applications using Python (Django/FastAPI) for RESTful API logic and modern JavaScript frameworks for the UI, ensuring efficient data serialization and state management.
• Team Collaboration: Execute rigorous version control workflows using Git, including complex mergers, rebasing, and peer code reviews to maintain high-quality standards within a CI/CD pipeline.
• Multi-Application Integration: Develop custom middleware and integration layers that synchronize data across heterogeneous systems through webhooks, message queues, and standardized API protocols.
• System Orchestration: Program automated deployment logic and service discovery routines to manage the lifecycle of distributed applications across containerized environments.
• Linux Administration: Perform system tuning and Bash automation to manage package dependencies, network configurations, and kernel-level permissions across production server clusters.

Minimum Qualifications:

• Experienced python software engineer with strong background in either backend or frontend development, full stack preferable.
• Experience working on a team of developers with knowledge of software version control and collaboration tools.
• Ability to create multi-application solutions bridging multiple software capabilities together.
• Some experience with the concept of System Orchestration and developing capabilities to conduct orchestration or tying into existing capabilities.
• Experience with Linux Administration or at least a strong familiarity with Linux required.

Preferred Qualifications:

• Experience with full-stack development, including creating and interacting with databases and APIs.
• Knowledge of Infrastructure as Code (IaC) principles.
• Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes).
• Understanding virtualization platforms such as (for example VMware VSphere or others.
• Troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues.
• Have a foundational understanding of traditional Systems Administration principles. 

Clearance Requirements:

• Must have a current/active DoD TS/SCI

Physical Requirements:

• The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

The projected compensation range for this position is $165,900.00-$295,300.00. 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 its 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.