Senior Systems Engineer

Senior Systems Engineer

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 Senior Systems Engineer to join our team in Lexington Park, MD. This is an onsite position.

The Senior Systems Engineer will drive the development and sustainment of next-generation Navy Weapons Systems. They will serve as a technical linchpin, bridging the gap between complex engineering requirements and Navy Acquisition Processes. Working directly with the Integrated Program Team Lead (IPTL), they will influence the entire lifecycle of critical defense assets—from pre-Milestone A analysis to high-stakes rapid acquisition and legacy sustainment.

Responsibilities include but are not limited to:

• Integrating new capabilities, defining system gaps, and establishing baseline requirements across the portfolio
• Developing critical technical specifications, comprehensive system documentation, and long-term engineering roadmaps
• Coordinating complex engineering activities throughout the design, integration, test, and fielding phases
• Analyzing manufacturer proposals, conducting rigorous trade studies, and performing detailed technical reviews
• Providing strategic risk management insight and mitigation strategies for complex systems
• Collaborating with Government personnel, contractor teams, and subject-matter experts to ensure alignment with program objectives

Minimum Qualifications:

• Bachelor's Degree in Engineering or a related field with 10+ years of progressively responsible engineering experience
• Experience with Model-Based Systems Engineering (MBSE) methodologies and automation tools such as CAMEO or IBM Rhapsody
• Experience with systems engineering, research, development, and technical execution in schedule-constrained environments
• Experience defining system gaps, establishing requirements, and developing technical documentation or roadmaps
• Experience conducting formal trade studies, analyzing technical proposals, and managing engineering risks
• Proficiency with standard enterprise productivity software and strong professional communication skills

Preferred Qualifications:

• Certified Information Systems Security Professional (CISSP certification) or relevant engineering certifications
• Self-starter with excellent people skills - able to work across teams, organize meetings/boards, and drive change throughout an organization

Clearance Requirements:

• An active TS/SCI clearance

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $150,900.00-$268,500.00. 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 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 and provide your name and contact information.