Lead Mechanical Engineer – Battery

BLUE ORIGIN

. Responsible for the mechanical aspects of the battery design, development, qualification, and hardware production.

Posted 5/9/2026full-timeGreater Seattle Area • Colorado, Montana, Washington • 🇺🇸 United StatesSenior💰 $133,500 - $186,898 per yearWebsite

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Responsible for the mechanical aspects of the battery design, development, qualification, and hardware production.
Develop and maintain a full system design and its associated documentation (CAD, drawings, ICDs, BOMs, etc.)
Develop mechanical components for the battery system, including modules, pack assemblies, interconnects, electrical components, structural components, and enclosures from concept, through qualification, and into production.
Use structural and thermal analyses, as well as Thermal Runaway (TR) Passive Propagation Resistance (PPR) testing, to inform battery design decisions.
Develop production processes for module build, through pack assembly, and end of line acceptance testing.
Work closely with the program and manufacturing management team through build, test, and delivery of flight hardware.
Support the development of the Automated Test Equipment for acceptance and qualification testing.
Support the successful qualification of the hardware.
Support integration into the vehicle and assist in solving vehicle integration.

Requirements

What you’ll need

B.S. degree in Mechanical, Electrical, or Aerospace Engineering or related field
6+ years of direct experience in battery development; 3+ years in space applications desired
Direct experience with Battery Mechanical Design, Test, and Manufacturing (or similar electrical power equipment); familiarity with lithium-ion batteries, TR PPR design approaches, and battery test methods.
Experience creating fabrication and installation drawings, including GD&T (ASME Y14.5) and tolerance stack up analyses.
Experience specifying and justifying margins and test sequences for aerospace systems.
Desire to work hands-on, both independently and as part of a team.
Experience providing technical leadership to multidisciplinary teams.
Ability to earn trust, maintain positive and professional relationships, and contribute to a culture of collaboration and inclusion.
Highly organized teammate with excellent technical written and verbal skills.
Ability to travel to and work at remote sites supporting test integration, commissioning, and training.
Must be a U.S. citizen, national, permanent resident, or lawful U.S. refugee/asylum seeker.

Benefits

Comp & perks

Medical, dental, vision, basic and supplemental life insurance
Paid parental leave
Short and long-term disability
401(k) with a company match of up to 5%
Education Support Program
Stock Options for all regular employees (working at least 20 hours/week)
Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.
Bonus eligibility based on company's intent to reward individual contributions

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Hard Skills & Tools

mechanical designbattery developmentthermal analysisstructural analysisfabrication drawingsGD&Ttolerance stack up analysistest sequencesautomated test equipmentproduction processes

Soft Skills

technical leadershipcollaborationcommunicationorganizationtrust buildingteamworkindependenceproblem solvingrelationship managementinclusion