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Jobs in the Indiana Uplands

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Senior Systems Engineer

ManTech

ManTech

Software Engineering
Crane, IN, USA
Posted on Dec 22, 2025

General information

Requisition #
R64702
Locations
USA-IN-Crane
Posting Date
12/10/2025
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 Senior Systems Engineer (PNT) to join our team in Crane, IN. This is a 100% on-site position.

This role will be providing mission critical PNT engineering expertise to NAVSEA/SOCOM engineering efforts.

Responsibilities include but are not limited to:

  • Applies engineering principles to investigate, analyze, plan, design, develop, implement, test, or evaluate military weapons systems.
  • Reviews and prepares engineering and technical analyses, reports, change proposals, and other technical documentation.
  • Applies engineering experience to perform functions such as system integration, configuration management, quality assurance testing, or acquisition and resource management.
  • Analyzes, designs, develops, implements, tests, or evaluates software, components, or systems related to engineering or functional requirements of military weapons systems.
  • Assist in equipment operation and data collection during the support of field events
  • Analysis of system modifications effectiveness in comparison to performance metrics
  • Develop test plans into test cases
  • Travel up to 25% within the continental United States

Minimum Qualifications:

  • MS/MA degree in Engineering or Engineering Discipline
  • 10+ years of experience performing work in the Systems Engineering field
  • Familiarity with Precision, Navigation, Timing (PNT) aspects, to include M-Code, IMU, INS, clocks
  • 5+ years of experience managing critical engineering tasking in support of technical reviews (CDR/PDR, TRR, RRE, etc.)

Preferred Qualifications:

  • Experience supporting Alternate PNT systems
  • 3+ years of experience briefing Senior Military and Civil Service personnel
  • Experience supporting NAVSEA/SOCOM engineering efforts

Clearance Requirements:

  • U.S. Citizen and possess an active current Top-Secret clearance, with ability to obtain SCI eligibility

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 laboratory environment 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.

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.