nuclearhustle

Hardware Test Technician

Oklo·Idaho Falls, ID·Posted today
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
LocationIdaho Falls, ID
IndustryNuclear energy
PostedJun 2026

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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