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Principal Targets & Countermeasures Systems Engineer

MTSIHuntsville, ALPosted Aug 26, 2026 · open 61 days

Last confirmed open Oct 26, 2026

Full-timePrincipalSecret

Before you apply

Secret clearance
An active clearance is required to start.
Bachelor's degree
The lowest degree the posting accepts.
Travel up to 20%
The share of time spent travelling, as the posting states it.

MTSI is seeking a highly skilled Principal Targets & Countermeasures Systems Engineer to provide engineering oversight for target system payloads and countermeasure development. In this role, you will act as a trusted advisor to the program office, delivering critical assessments of prime contractor designs, technical plans, and target instrumentation layouts. You will serve as a technical anchor during major program milestones—from System Requirements through Product Acceptance—while seamlessly collaborating across multiple organizations, modeling teams, cost analysts, and schedulers to ensure items are delivered accurately and on time.

Job Responsibilities

  • Serve as the technical expert on payload and countermeasure requirements development, analysis, design, qualification, and fielding.
  • Review and provide assessments of prime contractor designs, plans, reports, and technical procedures.
  • Evaluate target instrumentation requirements, physical layouts, component selection, and testing methodologies
  • Provide technical evaluation and engineering support during all major program milestones (including SRR, PDR, CDR, TRR, FRB, MRB, and PAR).
  • Answer technical inquiries from external MDA organizations and lead multi-disciplinary Technical Interchange Meetings (TIMs).
  • Provide technical assessments to the cost analysis team to ensure accurate program management budget estimates.
  • Partner with the program scheduler to track delivery deadlines and proactively keep leadership advised of status.

Required Qualifications

  • Active DoD Secret clearance
  • Bachelor's degree and 7+ years supporting missile defense or large-scale, complex DoD programs.
  • Experience managing end-to-end program lifecycles, including the development, testing, and fielding of complex systems.
  • Thrive in a fast-paced environment where priorities change quickly.
  • Handle multiple urgent tasks at once without losing focus.
  • Able to support travel request up to 20% of the time.

Desired Qualifications

  • Master's degree in STEM and 12+ years supporting missile defense or large-scale, complex DoD programs.
  • Understanding of IR/RCS signatures for flight objects and countermeasures.
  • Experience with material properties and material property measurements.
  • Knowledge of real-world threat systems and how they impact target designs.
  • Understanding of MDA flight test requirements and ability to apply those requirements to payload hardware development.
  • Technical proposal development and evaluation.

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Job Details
Company
Location
Huntsville, AL
Type
Full-time
Level
Principal
Experience
7+ years
Posted
Aug 26, 2026
Required Skills
Missile DefenseDoD programsProgram Lifecycle ManagementSystems DevelopmentSystems TestingSystems FieldingPayload Requirements DevelopmentCountermeasure Requirements DevelopmentDesign ReviewQualificationFieldingTarget InstrumentationComponent SelectionTesting MethodologiesSRR
Preferred Skills
IR/RCS signaturesMaterial PropertiesMaterial Property MeasurementsThreat SystemsMDA flight test requirementsPayload Hardware DevelopmentTechnical Proposal DevelopmentTechnical Proposal Evaluation

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