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Principal Engineer

4M ResearchHuntsville, ALPosted Sep 28, 2026 · open 28 days

Last confirmed open Oct 26, 2026

Full-timePrincipalSecret

Before you apply

U.S. citizenship required
Only U.S. citizens can be hired for this role.
Secret clearance
An active clearance is required to start.
Master's degree
The lowest degree the posting accepts.
Travel up to 20%
The share of time spent travelling, as the posting states it.

4M Research, Inc. (4M) is a Woman owned small business established in 2007 and headquartered in Huntsville, AL. 4M specializes in Systems and Software Engineering and Analysis, Information Technology, Planning and Analysis, Health and Wellness Services and Field Support Services to a variety of customers including MDA, NASA, and AMCOM. Our continuous and rapid growth is attributable to the caliber of employees 4M strives to hire and retain.

4M Research is seeking a Principal 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.

Responsibilities:

Engineering Oversight & Design Assessment

  • Expert Advisory: Serve as the technical expert on payload and countermeasure requirements development, analysis, design, qualification, and fielding.
  • Independent Evaluation: Review and provide assessments of prime contractor designs, plans, reports, and technical procedures.
  • Instrumentation Analysis: Evaluate target instrumentation requirements, physical layouts, component selection, and testing methodologies.

Program Milestone & Lifecycle Support

  • Milestone Reviews: Provide technical evaluation and engineering support during all major program milestones (including SRR, PDR, CDR, TRR, FRB, MRB, and PAR).
  • Cross-Agency Coordination: Answer technical inquiries from external MDA organizations and lead multi-disciplinary Technical Interchange Meetings (TIMs).

Program Management & Operations Collaboration

  • Cost Estimation: Provide technical assessments to the cost analysis team to ensure accurate program management budget estimates.
  • Schedule Alignment: Partner with the program scheduler to track delivery deadlines and proactively keep leadership advised of status.

Required Qualifications:

  • Security Clearance: Active DoD Secret clearance.
  • Education & Experience: Master's degree in STEM and 12+ years supporting missile defense or large-scale, complex DoD programs.
  • Program Execution: Experience managing end-to-end program lifecycles, including the development, testing, and fielding of complex systems.
  • Adaptability: Thrive in a fast-paced environment where priorities change quickly.
  • Multitasking: Handle multiple urgent tasks at once without losing focus.
  • Travel: Able to support travel request up to 20% of the time.

Desired Qualifications:

  • 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.
  • Have an understanding of MDA flight test requirements and apply that to the payload hardware development.
  • Technical proposal development and evaluation.

Please Note: U.S. Citizenship is required

Qualified candidates should apply online at www.4mresearch.com.

4M Research, Inc. is an Affirmative Action/ Equal Opportunity Employer and an active participant in the Employment Eligibility Verification Program (E-Verify).

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Job Details
Location
Huntsville, AL
Type
Full-time
Level
Principal
Experience
12+ years
Posted
Sep 28, 2026
Required Skills
Systems EngineeringPayload Requirements DevelopmentCountermeasure DevelopmentDesign QualificationFieldingTarget InstrumentationTesting MethodologiesProgram Lifecycle ManagementSRRPDRCDRTRRFRBMRBPAR
Preferred Skills
IR SignaturesRCS SignaturesMaterial PropertiesMaterial Property MeasurementsThreat SystemsMDA Flight Test RequirementsPayload Hardware DevelopmentTechnical Proposal DevelopmentTechnical Proposal Evaluation

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