Commonwealth Fusion Systems
Staff OT/IT Support Engineer
$166K–$240K
Milpitas, CA · On-site · Staff · Full-time · Posted Oct 16, 2026
- Experience
- 7+ years; hands-on technical support, IT systems administration, or site infrastructure engineer role.
- Visa sponsorship
- The role requires compliance with U.S. Export Control Laws; any employment offer is contingent on that compliance.
About the job
Provides hands-on support for site-wide IT and shop-floor OT infrastructure at the Milpitas facility, including systems maintenance, networking, security, asset management, and integration with enterprise systems.
What you'll do
- Deploy, maintain, and secure site servers, industrial networks, cabling, power equipment, and edge compute.
- Install and configure networking equipment, support on-site security, and coordinate OT integration with corporate IT and engineering teams.
- Maintain IT/OT asset records and create documentation, procedures, and network diagrams.
What they ask for
- 7+ years in hands-on technical support, IT systems administration, or site infrastructure engineering.
- Experience supporting Windows, macOS, and basic Linux (Ubuntu/RedHat); hands-on server racking, cabling, and hardware troubleshooting.
- Familiarity with Terraform and Ansible; working knowledge of TCP/IP, VLANs, subnetting, DHCP, DNS, and network switch configuration.
- Ability to work 100% on-site in Milpitas, lift up to 50 lbs, work safely around laboratory or light industrial equipment, and occasionally travel or work nights/weekends/on-call.
Nice to have
- Kubernetes and AWS; vCenter and Proxmox; Postgres and Timescale.
- Comfort using AI tooling and discerning hallucinations; familiarity with PLCs and Purdue models.
Pay
USD 166,000–240,000 per-year-salary (base salary)
Tools
Windows, macOS, Linux, Ubuntu, RedHat, Kubernetes, Terraform, Ansible
AI focus
Comfort using AI tooling and discerning hallucinations is a bonus; no specific AI development work is described.
Model-written summary · the original posting is authoritative