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Salary
$90k – $130k per year
Location
In office (El Segundo)
Seniority
Junior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Oct 18, 2026. Wardstone scores B on the Alion truth index.

Overview
Company
Impact
Profile match
We design, build, and deploy modular interceptors to kinetically counter air-breathing and ballistic missiles.
Backed by Y Combinator

Overview

You will machine, build, and assemble the hardware that flies on our first two interceptor platforms. You’ll make parts and test fixtures in our shop, assemble airframe structures and mechanisms, and support ground and flight tests. You’ll report to the Mechanical Engineering Lead.

You’ll also work alongside the propulsion, avionics, and aerodynamics teams. The hardware you build will go through testing and fly.

What You’ll Do

Machine and fabricate

  • Machine parts on manual and CNC mills and lathes from engineering drawings.
  • Fabricate test fixtures, tooling, brackets, and ground support equipment.
  • Work quickly with engineers to turn design changes into new parts.

Assemble hardware

  • Assemble airframe structures, mechanisms, and subassemblies following drawings and procedures.
  • Install fasteners, inserts, and bonded joints to specification, including torque values.
  • Integrate hardware from the propulsion and avionics teams into the vehicle.

Inspect and support tests

  • Inspect in-house and vendor parts using calipers, micrometers, height gauges, and other measuring tools.
  • Set up, run, and tear down structural, vibration, and environmental tests.
  • Support static fires and flight tests at test ranges.

Keep the shop running

  • Record build and inspection results.
  • Maintain shop machines, tools, and safety equipment, and keep the shop organized.
  • Track raw material and hardware inventory.
  • Suggest better fixtures, tools, and processes to make builds faster and more consistent.

Required Qualifications

  • Technical certificate, trade school, or military training in machining or mechanical fabrication, or equivalent experience.
  • 2+ years of hands-on experience in machining, fabrication, or mechanical assembly.
  • Experience running manual or CNC mills and lathes.
  • Able to read engineering drawings, including tolerances and GD&T.
  • Skilled with precision measuring tools.
  • Safe, organized, and careful in your work and records.
  • Able to lift up to [50] lbs and work on your feet in a shop environment.
  • Must be a U.S. person as defined by ITAR (U.S. citizen, lawful permanent resident, or protected individual). [Must be eligible to obtain a U.S. security clearance.]

Nice to Have

  • CNC programming and CAM experience (e.g., Fusion 360 or Mastercam).
  • Experience with aerospace or defense hardware assembly.
  • Composite layup, bonding, or TIG welding experience.
  • Military maintenance experience or an A&P license.
  • Experience supporting structural or environmental tests.
  • Prior early-stage startup experience.

Compensation

The base pay range for this role is $90,000 - $130,000 per year.

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