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Defense, Government Contracting, Cybersecurity, IT Services, Aerospace, Healthcare Technology

Mechanical Engineer

Wharton, NJOnsiteFull Time$57,850–$104,575 /yrPosted 1 month ago

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Required skills

  • mechanical design
  • materials
  • manufacturing processes
  • FMEA
  • QA processes
  • production documentation
  • FACARs
  • RFVs
  • CARs
  • FAT

Nice to have

  • high-reliability systems
  • harsh environment systems
  • GD&T
  • tolerance analysis
  • DFM
  • CAD software

Role summary

Leidos is seeking a Mechanical Engineer to support the design, development, and production of fuzing and initiation systems for Armaments and Ammunition. This role focuses on production readiness, manufacturing support, and quality assurance, including maturing Technical Data Packages (TDPs), assisting with risk management and FMEA, and supporting QA activities like FACARs, RFVs, and CARs. The engineer will also provide support during program reviews, testing, troubleshooting, and failure analysis, and contribute to reporting and certification processes. Travel up to 25% is expected. This is an onsite role in Picatinny Arsenal, NJ.

The Defense Sector at Leidos currently has an opening for a Mechanical Engineer at its Picatinny Arsenal, NJ location, to support the mechanical design, development, and production of fuzing and initiation systems for Armaments and Ammunition. This role focuses on production readiness, manufacturing support, and quality assurance.

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Primary Responsibilities.

· Support mechanical design, modernization, and producibility improvements of fuzing and initiation devices.

· Assist in maturing Technical Data Packages (TDPs) and participate in manufacturing evaluations.

· Support risk management and Failure Modes and Effects Analysis (FMEA).

· Assist Quality Assurance (QA) activities including Failure Analysis and Corrective Action Reports (FACARs), Requests for Variance (RFVs), and Corrective Action Requests (CARs).

· Provide mechanical engineering support during key program reviews (SRR, PDR, CDR) and Integrated Product Teams (IPTs).

· Support laboratory, environmental, and production testing, troubleshooting, and failure analysis.

· Prepare trip reports and conduct manufacturing site visits (approximately 25% travel expected).

· Contribute to First Article Testing (FAT) and Lot Acceptance Testing (LAT) reports.

· Provide mechanical engineering inputs for Army Fuze Safety Review Board (AFSRB) certification.

· Develop technical reports and documentation to support production milestones.

 

Basic Qualifications.

·

  • Understanding of mechanical design, materials, and manufacturing processes.
  • Willingness to learn FMEA, QA processes, and production documentation (FACARs, RFVs, CARs, FAT, and LAT).
  • Strong written and verbal communication skills with excellent attention to detail.
  • Ability and willingness to travel up to 25%.
  • U.S. Citizenship required.

 

Preferred Qualifications.

· Experience in mechanical design for high-reliability or harsh environment systems.

  • Knowledge of Geometric Dimensioning and Tolerancing (GD&T), tolerance analysis, or Design for Manufacturability (DFM).
  • Experience with CAD software (Creo preferred) and Product Data Management tools (ePDM and Windchill).
  • Prior internship or exposure to manufacturing, quality, or failure analysis.
  • Familiarity with DoW acquisition or munitions programs.
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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 5, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $57,850.00 - $104,575.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Sample Leidos interview questions

  • 1

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  • 2

    Buildings with an Ocean View Find all buildings that have an ocean view. Input: heights = [1,2,3,4] Output: [3] Explanation: Since the ocean is to the right, only the rightmost tallest building (index 3) is not blocked by any others.

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  • 3

    Merge K Sorted Linked Lists Merge K sorted linked lists. Input: lists = [[2,2,3],[1,5]] Output: [1,2,2,3,5] Explanation: Extracts the smallest current node iteratively using a priority queue to build a single merged and sorted linked list.

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  • 4

    Optimal Meeting Point Calculate the optimal meeting point for multiple people on a 2D grid. Input: grid = [[1,0],[0,1]] Output: 2 Explanation: The optimal meeting point is either (0,1) or (1,0), requiring exactly 1 step from each person resulting in a total distance of 2.

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  • 5

    Maximize the minimum distance between aggressive cows in stalls. Input: stalls = [0,4,3,7,10,9], cows = 3 Output: 4 Explanation: Placing the cows at positions 0, 4, and 10 yields a maximum possible minimum distance of 4 between any two cows.

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