Overview

Mechanical Engineer – Munition Systems Jobs in San Francisco, CA at TechnoSphere, Inc.

Title: Mechanical Engineer – Munition Systems

Company: TechnoSphere, Inc.

Location: San Francisco, CA

Mechanical Engineer – Munition Systems | Direct Hire

Locations: San Francisco, CA | Los Angeles, CA | Washington DC

Industry: Defense & Space

Experience Level: Mid-Senior

Education: Bachelor’s Degree Required

Visa Sponsorship: Not Available

Relocation Assistance: Not Available

We are seeking a highly skilled Mechanical Engineer to support the development of next-generation munition and UAV-integrated systems within a fast-paced defense engineering environment.

This role is ideal for candidates who enjoy owning the full mechanical design lifecycle — from concept development and CAD design through prototyping, testing, and production transfer.

Key Responsibilities

  • Design munition housings, internal structures, and arming mechanisms in CAD
  • Develop mechanical safety architectures with hardware and software teams
  • Define materials, tolerances, finishes, and fasteners for rugged environments
  • Build and iterate prototypes using 3D printing and CNC methods
  • Execute mechanical qualification testing including drop, shock, vibration, and environmental testing
  • Manage BOM, weight distribution, and center-of-gravity calculations
  • Collaborate closely with multidisciplinary engineering teams on integration activities

Required Qualifications

  • 5+ years of experience designing rugged mechanical assemblies in industries such as:
  • Defense
  • Aerospace
  • UAV Systems
  • Automotive
  • Similar regulated environments
  • Strong proficiency with parametric CAD tools such as:
  • SolidWorks
  • Creo
  • Fusion 360
  • NX
  • Onshape
  • Experience creating manufacturing-ready drawings including GD&T and tolerance stack-ups
  • Hands-on prototyping experience with FDM/SLA printers, machining, mills, and lathes
  • Strong understanding of mechanical failure modes and product reliability
  • Strong written and verbal English communication skills

Preferred Qualifications

  • Experience with safety & arming mechanisms or rugged defense systems
  • Familiarity with MIL-STD-810 or related environmental testing standards
  • Experience with FEA/structural simulation tools
  • Background in injection molding or metal-casting DFM
  • UAV/FPV integration experience is highly preferred

Additional Information

Candidates must be comfortable completing an initial 1-month onsite training period in Kearneysville, WV, before relocating back to their selected work location.

If interested, please apply or send your updated resume directly.

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