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Open nowFirst seen 2 days ago

Mechanical Engineer- LA

kelasys/2a.00733 open roles

Where
USA
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On site
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Your applicationOpen nowMechanical Engineer- LAkelasys/2a.007 · USA
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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market. kelasys/2a.007 postings stay open a median of 1 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: first seen 2 days ago

kelasys/2a.007 median: 1 days open

The posting

About the role

You'll own the mechanical side of our products — from concept and CAD through prototyping, qualification, and production transfer. Our systems are safety-critical, field-deployed, and built to survive demanding environments. This is a hands-on role: you'll be in the lab as much as at your desk, and you'll work directly alongside hardware and software engineers.

What you'll do:

  • Design and own mechanical assemblies end-to-end: housing, structure, actuation mechanisms, and integration architecture.
  • Define the mechanical safety architecture in collaboration with HW and SW leads — interlocks, fail-safe geometry, retention features, and impact behavior.
  • Spec materials, tolerances, finishes, and fasteners for operating environments involving temperature, vibration, humidity, and drop loads.
  • Build and iterate prototypes in-house (3D print, CNC); hand off polished DFM packages to external machinists and mold vendors.
  • Plan and execute mechanical qualification: drop, shock, vibration, environmental, mass-properties, and integration testing.
  • Own the BOM, weight budget, and CG budget — track them as the safety-critical numbers they are.
  • Collaborate directly with HW and SW engineers on PCB envelope, connector placement, harnessing, and mechanism actuation.

Required:

  • 7+ years designing mechanical assemblies that go into the field — UAV payloads, defense, automotive, aerospace, or similar rugged/regulated domains.
  • Fluency in a parametric CAD tool (SolidWorks, Fusion 360, Onshape, Creo, or NX).
  • Ability to produce manufacturing-ready drawings: GD&T, tolerance stacks, surface finishes, and fits.
  • Hands-on with prototyping: FDM/SLA printers, basic machining (mill, lathe), and in-lab build-and-break cycles.
  • Strong failure-mode intuition — you've broken things on purpose and know which question to ask next.
  • Working English, written and verbal.

Nice to have:

  • Experience with energetics, safety-critical arming or actuation mechanisms in defense, aerospace, or industrial applications.
  • Familiarity with MIL-STD-810 (environmental), MIL-STD-331, or equivalent civilian qualification standards.
  • FEA / structural simulation (Ansys, SolidWorks Simulation, Onshape FEA).
  • Injection-mold and metal-casting DFM experience.
  • UAV or payload integration experience, including mass/CG sensitivity.

How we work: Short cycles, weekly hardware iterations. You'll sit next to the HW and SW engineers and have a lab with prototyping equipment on-site. We expect you to be opinionated, design for testability from day one, and push back when constraints are wrong.

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