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Salary
$72k – $82k per year
Location
In office (Devens)
Seniority
Staff · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Nov 7, 2026. Commonwealth Fusion Systems scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Commonwealth Fusion Systems is a commercial fusion energy company headquartered in Devens, Massachusetts, and founded in 2018. The firm specializes in the development of high-temperature superconducting magnets and compact tokamak devices, specifically the SPARC net-energy machine and the ARC commercial power plant. It operates through a strategic partnership with the Massachusetts Institute of Technology and focuses on scaling fusion technology to provide carbon-free, baseload power to global energy markets.

Join the power movement as a Lead Technician, Electrical Assembly Testing

The Lead Technician is a critical operational leadership role responsible for overseeing the execution, safety, and scheduling of testing across three distinct domains: Electrical, Instrumentation & Controls (I&C), and Fiber Optics.

This role manages a blended team of internal technicians and specialized vendor partners, ensuring that daily testing, troubleshooting, and assembly milestones are hitsafely and efficiently. You will act as the operational bridge between Test Implementation Engineers, Responsible Engineers (REs), and the technicians

executing work in the manufacturing environment.

Important Note on Technical Expertise: We do not expect candidates to be domainexperts in all three fields. We are looking for an experienced technical leader who possesses deep subject matter expertise in at least ONE of the core domains (Electrical, I&C, or Fiber Optics). The ideal candidate will leverage their primary expertise while learning the operational basics of the other domains to effectively schedule work, clear roadblocks, and manage specialized personnel.

What you'll do:

  • Team Leadership & Task Assignment: Direct daily execution, crew task assignments, and shift scheduling in strict alignment with the rules of engagement outlined in the SATP Floor Ops Strategy. Lead morning daily syncs and oversee vendor partnerships

  • Test Readiness: Conduct pre-test walkdowns, verify Bills of Materials (BOMs), ensure tools/materials are staged, and coordinate schedule execution with Test Implementation Engineers

  • Quality & Issue Resolution: Manage and document Non-Conformance Reports (NCRs), troubleshoot test anomalies, and interface directly with Responsible Engineers (REs) to resolve technical roadblocks

  • Safety Enforcement: Ensure strict adherence to EHS safety protocols, including LOTO (Lockout/Tagout), exclusion zone management, high voltage, and cryogenic safety standards

  • Personnel Development: Serve as a mentor to support technicians, helping build an internal succession pipeline for future technical leads

  • Domain Oversight (You will manage execution across these areas):

  • Electrical and I&C: High-voltage setups, Paschen testing, loop checks, electrical diagnostics,

    and instrument verification

  • Fiber Optics: Handling, routing, splicing, and testing of thousands of optical fibers (includingtaking attenuation, insertion loss, and spectral analysis measurements using OTDR, OSA, etc.)

What we’re looking for:

  • HS Diploma
  • Mid-level proficiency in Microsoft or Google productivity software
  • 5+ years of hands-on experience in at least one of the following domains: Electrical testing, Instrumentation and Controls (I&C), OR Fiber Optics (handling, splicing, and OTDR testing)
  • Proven experience in a leadership, supervisory, or "Lead Tech" capacity, directing the daily work of other technicians or managing vendor partnerships
  • Strong ability to read and interpret complex engineering drawings, wiring diagrams, and testing procedures
  • Experience documenting hardware issues, managing NCRs, and working directly with engineering teams to resolve procedural friction
  • Exceptional organizational skills, with the ability to manage multiple concurrent testing schedules and prioritize critical-path deliverables

Bonus points for:

  • Cross-domain experience (e.g., an electrical technician with fiber optic experience, or vice versa)
  • Licensed Journeyman or Master Electrician
  • Demonstrated experience with rough vacuum hardware such as pumps, hoses, and KF fittings
  • Experience with leak testing using mass spectrometers, pressure proofing, or low voltage testing

Must-have requirements:

  • Ability to occasionally lift up to 50 lbs
  • Perform activities such as stooping, climbing, typing, standing, or sitting for extended periods of time
  • Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics
  • Willingness to travel or work required nights/weekends/on-call occasionally
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