Staff Mechanical Engineer, Battery Pack Design (R6047)

Mechanical & AerospaceX-BAT DivisionOn-siteFull Time Employee

Shield AI is hiring a Staff Mechanical Engineer, Battery Pack Design (R6047) in Seattle, Washington (on-site, full-time). Posted 22 September 2026. Apply directly on Shield AI's own careers site — no account needed.

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Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube.

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. 

Job Description:

As the Battery system mechanical lead, you will be responsible for all mechanical aspects of battery systems for X-BAT, the Launch and Recovery Vehicle, and ground equipment. This includes battery enclosure design, internal cell packaging and interconnection, qualification, integration, and release to manufacturing.

You will help us build a team of world-class engineers to support all design needs. A vertically integrated battery pack design will enable top performance, ease of integration, reliability, and rapid supply chain procurement. If you enjoy working cross-functionally and solving hard problems, please apply!

WHAT YOU’LL DO:

Define mechanical specifications and execute the battery system external enclosure, thermal management and environmental protection for X-BAT, and the ground Launch and Recovery Vehicle.

Drive optimal performance while managing size, weight, DFM, safety, and reliability

Hands-on prototyping, testing, qualification, and handoff to production

Define assembly drawings, designing for tolerance, assembly, and serviceability

Ensure system performance and reliability are met through rigorous system-level shock, vibration, ingress, and thermal verification

Investigate root-cause for the mechanical package, environmental, manufacturing, etc.

Support design reviews, drive execution of assigned engineering deliverables in support of program objectives

Work in a fast-paced environment

REQUIRED QUALIFICATIONS:

You have a B.S. in Mechanical Engineering or equivalent

Aerospace enclosure design experience on large aircraft, or an equivalent system (rocket, satellite, submarine, automotive, etc.)

5+ years relevant experience

Have delivered aerospace systems to market

Proficient with mechanical engineering development tools, simulation, and test equipment

Strong technical fundamentals and analysis

Full-time regular employee offer package:

Pay within range listed + Bonus + Benefits + Equity

Temporary employee offer package:

Pay within range listed above + temporary benefits package (applicable after 60 days of employment)

Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.

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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know.

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