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Salary
$90k – $145k per year
Location
In office (Milpitas)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 7, 2026. Commonwealth Fusion Systems scores A 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 OT/IT Support Engineer

We are looking for a versatile, hands-on OT/IT Support Engineer to join our team at our Milpitas site. This is a blended hands-on role, split between managing shop-floor OT infrastructure and providing direct end-user desktop assistance. You will serve as the primary on-site technical point of contact, ensuring our engineers, technicians, and operations teams have reliable, high-performing workstation technology, while also maintaining and scaling the physical network and compute infrastructure that powers our testing and manufacturing operations (Operational Technology / OT).

If you thrive in high-tempo environments where no two days are the same, equally comfortable running cables, configuring network switches on the shop floor, fixing a user's workstation issue or creating a monitor to track network utilization, this is the role for you.

What you'll do:

  • OT & Industrial Infrastructure Maintenance: Deploy, monitor, and maintain local site server cabinets, industrial network switches, patch panels, cabling, power equipment (UPSs), and edge compute nodes supporting test rigs and manufacturing lines
  • Network & Systems Setup: Perform physical installation and basic configuration of networking gear (switches, access points, edge firewalls) in coordination with central Network and IT Security teams
  • On-Site Deskside Support: Provide white-glove hardware and software troubleshooting for local staff, including onboarding, endpoint deployment (Windows, Mac, Linux), workstation peripheral setup, and rapid incident resolution
  • Site Tech Asset Management: Maintain accurate asset tracking, hardware inventory, rack elevations, and lifecycle management for all IT/OT endpoints and spare hardware at the Milpitas facility
  • AV & Conference Room Support: Ensure conference rooms, display systems, and audio/video equipment are operational and updated
  • Cross-Functional Collaboration: Partner with manufacturing engineers, control systems teams, and corporate IT to safely integrate operational technology (OT) networks with core enterprise systems
  • Process & Documentation: Create clear end-user documentation, standard operating procedures (SOPs), and site network layout diagrams.
  • A hybrid problem solver who enjoys interacting with users face-to-face while staying deeply connected to core OT/IT infrastructure.
  • Self-starters who take ownership of a physical site, maintaining high standards for organized cabling, hardware staging, and overall technical workspace presentation.
  • Strong communicators capable of explaining complex technical topics clearly to both non-technical staff and high-level engineering teams.

What we’re looking for:

  • Experience: 3-5+ years in a hands-on technical support, IT systems administration, or site infrastructure engineer role
  • OS Support: Deep familiarity with supporting and troubleshooting Windows, macOS, and basic Linux (Ubuntu/RedHat) environments. Kubernetes experience is a plus
  • Infrastructure & Cabling: Demonstrated hands-on experience racking/stacking servers, patch panel punching, cat6 ethernet cabling, clean cable management, and hardware troubleshooting
  • Infrastructure as Code: Familiarity with Terraform, Ansible and using those patterns to scale out repeatable systems
  • Networking Fundamentals: Strong working knowledge of TCP/IP, VLANs, subnetting, DHCP, DNS, and basic CLI network switch configuration (Cisco, Ubiquiti, Juniper, or similar)
  • Identity & Endpoint Management: Experience with Active Directory, Okta, and modern endpoint management tools
  • Physical Presence & On-Site Capability: Ability to work 100% on-site in Milpitas, CA

Must-have Requirements:

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