CareerPlan

Principal Mechanical Engineer

San FranciscoFull-time$235k–$305k2026-11-05 → 2026-11-09
On-site · United StatesNo visa sponsorship

Core

Lead mechanical architecture and integration for autonomous directed-energy systems, guiding hardware from prototype through production and field deployment.

Role type

Principal Mechanical Engineer (system architecture & hands-on IC)

Builds

Autonomous directed-energy systems for counter-drone applications

Domain

Defense technology / Directed-energy systems / Hardware

Required skills

Mechanical architecture, CAD, structures, mechanisms, packaging, FEA, system integration, manufacturing scale-up, cost/mass/reliability trade-offs

Preferred skills

Electrical engineering, power electronics, embedded systems, thermal management, ruggedized equipment design

Technologies

CAD, FEA

Responsibilities

Lead mechanical architecture and integration across electrical, power, embedded, and optics subsystems; Make technical decisions on challenging hardware problems from concept through production readiness; Guide hardware release and production processes in partnership with manufacturing teams; Review designs, calculations, and test results to identify risks early and maintain high engineering standards; Personally execute mechanical design work when experience can resolve a problem quickly; Mentor engineers through hands-on technical leadership and design reviews

Seniority

Principal, strategy & mentorship