nuclearhustle

Hardware Test Technician

Oklo·Idaho Falls, ID·Posted July 2026
Nuclear industryUS only

About this role

Oklo is developing advanced nuclear reactors. Join the hardware test team as a Hardware Test Technician to fabricate, assemble, instrument, and execute thermal-hydraulic tests on ASME B31.3 process equipment supporting nuclear reactor R&D. You'll translate CAD designs into high-quality test rigs, operate shop equipment, and support critical testing in a fast-paced startup environment.

Responsibilities

  • Fabricate, assemble, and operate test hardware and process equipment from sketches, CAD, and written direction
  • Prepare stock by cutting, drilling, tapping, and fitting parts using common shop tools and basic machine tools (saws, grinders, drills, manual mill/lathe)
  • Perform light welding (MIG/TIG preferred) and assist experienced welders as needed
  • Set up and execute tests including thermal-hydraulic, mechanical, and tribology tests with fixture build and instrumentation
  • Install and calibrate sensors for data collection
  • Troubleshoot build and test issues
  • Maintain safe, clean, and organized shop; manage waste streams and enforce PPE and safety procedures
  • Receive and inspect incoming parts; verify dimensions and finish against drawings; escalate nonconformance issues
  • Manage inventory of consumables, fasteners, gases, and tooling
  • Create and update build documentation including redlines, as-built notes, BOM updates, and work instructions
  • Coordinate with engineers and vendors for machining, welding, coatings, and other services
  • Support occasional off-hours work and local field/onsite deployments

Qualifications

  • High school diploma
  • 3+ years hands-on mechanical fabrication/assembly or test operator experience (or equivalent trade school/military training/portfolio)
  • Familiarity with process equipment and ASME B31.3 Process Piping Code
  • Proficiency with basic shop operations: cut/drill/tap and safe use of common hand and power tools
  • Ability to read mechanical drawings and build notes; understanding of basic tolerances and fit
  • Proficiency with precision measurement tools (calipers, micrometers, gauges)
  • Familiarity with shop safety, PPE, housekeeping (5S), machine guarding, and LOTO basics
  • Comfort setting up simple test rigs and recording data in spreadsheets; willingness to learn instrumentation/DAQ
  • Basic computer skills: spreadsheets, documents, file management, CAD viewers
  • Organized and reliable work habits with ability to follow work instructions and document builds
  • Strong communication and teamwork skills
  • Ability to lift up to ~50 lbs and stand for extended periods
  • Valid driver's license

Desired

  • A&P license
  • Associate degree in manufacturing/industrial technology, engineering technology, or similar field
  • Prior experience in an R&D test environment
  • Test and instrumentation experience: strain gauges, load cells, thermocouples, pressure transducers; NI/LabVIEW, Dewesoft, or equivalent DAQ
  • Materials knowledge: heat treat, coatings/plating, adhesives, composites, plastics
  • Additive manufacturing experience (FDM/SLA/SLS) for quick-turn jigs and fixtures
  • Quality systems exposure (ISO 9001/AS9100)
  • Rigging and material handling: forklift/overhead crane experience; basic load calculation

Location

Full-time, on-site in Idaho Falls, ID. Occasional off-hours work and local field deployments. Travel to Santa Clara, CA headquarters twice per quarter. First two weeks of onboarding required in person at headquarters.

Job details

FieldMaintenance
Salary$30–$50/hr
LocationIdaho Falls, ID
IndustryNuclear energy
PostedJul 2026

Skills & Tools

Asme B31.3DAQISO 9001

About the company

Oklo

An advanced fission company developing the Aurora powerhouse, a fast-reactor microreactor designed to deliver clean baseload power.

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