Senior Mechanical Engineer - Lethality

Costa Mesa · Costa Mesa, CA (OC-00) · USD 166,000-250,000 · 5-10 years experience · Full-time · Posted Sep 26, 2026

At a glance

The Anduril Lethality Team is looking for a Senior/Staff Mechanical Engineer to lead new warhead designs from prototype to production at Anduril speed.
This role is focused on warhead mechanical design, platform integration, modeling and simulation, performance testing, qualification assessment, and transition to production.
The position operates in a hands-on, fast-paced team working on technically demanding systems where mechanical design and system safety have a direct impact on mission outcomes.

Lead warhead and complex ordnance/munitions system designs from prototype to production.
Develop mechanical designs, drawings, specifications, test procedures, technical reports, and engineering documentation.
Create high-fidelity prototype assemblies and assess performance through rigorous testing.
Execute and manage arena, ground, flight, and system-level testing of munitions products, including high-speed video capture, data analysis, and design iteration based on results.
Develop project plans, program schedules, design-of-experiments, and coordinate safety protocols.
Work with vendors, suppliers, and subcontractors supporting critical design, prototype, test, and production efforts.
Support the assembly and disassembly of explosive test articles and precision targets.
Operate in a fast-paced environment where engineers learn quickly, take ownership, and execute with urgency.

BS or higher degree in mechanical, aerospace, or related engineering discipline.
5-10+ years' experience leading cross-functional teams to develop, analyze, and test new design concepts.
Proficiency creating complex mechanical designs and drawings using CAD/PLM tools such as NX and Teamcenter.
Experience executing tests to verify and validate designs meet system objectives and requirements.
Experience preparing engineering documentation (specifications, test procedures, technical reports, technical data packages).
Ability to travel as required for testing (surges up to 25%).
Passion for defending the United States and her allies.
Eligible to obtain and maintain an active U.S. Top Secret security clearance.
Subject to pre-employment and randomized substance screening.
Must be a U.S. Person, due to required access to U.S. export-controlled information or facilities.

Highly competitive equity grants
Comprehensive, competitive benefits package supported at little to no cost to employees