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Principal Built-in Test; BIT) Engineer

Job in Nashua, Hillsborough County, New Hampshire, 03060, USA
Listing for: Clearance Jobs
Full Time position
Listed on 2026-09-06
Job specializations:
  • Engineering
    Systems Engineer, Test Engineer, Electronics Engineer, Electrical Engineering
Job Description & How to Apply Below
Position: Principal Built-in Test (BIT) Engineer Jobs

Built In Test (BIT) / Reliability Engineer Opportunity

You don't see it, but it's there. Our employees work on the world's most advanced electronics - from saving emissions in the City of Lights to powering the Mars Rover to protecting the F-35 fighter jet. At Electronic Systems, you'll be among the brightest minds, working on the aerospace and defense industry's most difficult problems. Drawing strength from our differences, we're innovating for the future.

And you can, too. Our flexible work environment provides you a chance to change the world without giving up your personal life. We put our customers first - exemplified by our missions: "We Protect Those Who Protect Us®" and "We Innovate For Those Who Move The World™." Sound like a team you want to be a part of? Come build your career with BAE Systems.

Position Summary Join our Reliability Sciences team in this position where you will be supporting the design and development of the BIT (Built In Test) architecture, hardware/software, strategies and methodologies for new and existing Electronic Warfare products. The position scope may also expand to include performing other reliability tasks such as MIL-HDBK-217 predictions, Failure Modes Effects and Criticality Analysis, and Failure Analysis.

You will work on teams developing and producing electro-optical, communication, avionics and Electronic Counter Measures for ground, space, airborne and shipboard platforms. BAE Systems' Reliability Sciences Engineers are involved with every stage of the equipment lifecycle from concept through development, Integration & Test, production and field support. The selected candidate will have significant interaction across the company including program office, all engineering disciplines and production functions and this will provide for a fast-paced, educational, and fulfilling experience.

Your efforts will have a positive impact on front line warfighter's effectiveness and daily quality of life.

In this Built In Test (BIT) / Reliability Engineer opportunity you will make impacts on the following ways:

  • Work with a cross-functional team to develop BIT and test automation strategies and methodologies.
  • Apply your engineering skills and education to investigate, analyze, and evaluate system designs for proper testability.
  • Ensure the BIT design is adequate to meet customer requirements for fault detection and fault isolation.
  • Develop Model Based Systems Engineering (MBSE) artifacts including activity diagrams, sequence diagrams, etc. that represent the BIT design.
  • Influence product development by supporting the design team to establish BIT functions, test interface requirements and diagnostic features.
  • Supports BIT integration activities by testing or overseeing the testing of BIT features, investigating results, and implementing corrective actions to the BIT design.
  • Participates in designing algorithms that predict the remaining useful life of the system (prognostics)
  • Plans and conducts formal BIT Demonstration activities by defining the representative fault list from the testability study, defining the fault insertion methods, performing dry-runs to test the fault insertion methods and modifying BIT software and diagnostic rules based on results of testing.
  • Presents BIT design and analysis at internal and customer design reviews.
  • Provide BIT technical support to SW Engineering during SW implementation, Production during ATP, and Field Service Engineers during platform integration.
  • Perform root cause investigations and implementing corrective actions. Initiates, justifies, and implements BIT-related enhancements needed for improved demonstrated reliability and fault detection, increased production capacity, improved test yields, reduced cycle time, and optimized depot diagnostics.
  • May perform Design-for Reliability and Maintainability including reliability and maintainability modeling and analysis and assessments requiring the full use and wide application of engineering theories, concepts and precedents.
  • May perform failure trend analysis, failure investigation and root cause analysis. Chair the Failure Review Board activities.

Required Education, Experience, & Skills

  • Bachelor's degree in Engineering, preferred Electrical, Computer, or Software, and 4 or more years of relevant engineering experience.
  • Eligibility for a Secret security clearance
  • Experience in technical documentation and report generation
  • Able to concisely explain complex subjects in person and email
  • Ability to interpret hardware schematics and basic coding concepts
  • Strong analytical and problem-solving skills
  • Ability to work in a fast-paced dynamic environment
  • Desire for continuous learning and for skills development

Preferred Education, Experience, & Skills

  • Bachelor's or Master's of Science degree in electrical engineering or computer science/engineering
  • Testability / Built-In Test (BIT) Analysis
  • Circuit Analysis
  • Failure Mode Effects and Criticality Analysis (FMECAs)
  • Experience using Military Standards
  • Experience with requirements…
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