Staff OT/IT Support Engineer

What you'll do:

What we’re looking for:

Bonus points for:

Must-have Requirements:

Additional information

Qualifications

• Autonomous self-starters who take ownership of a physical site, maintaining high standards for organized cabling, hardware staging, and overall technical workspace presentation.
• A hybrid problem solver who can work face-to-face with stakeholders while staying
• deeply connected to core OT/IT infrastructure.
• Strong communicators capable of explaining complex technical topics clearly to both non-technical staff and high-level engineering teams.
• 7+ years in a hands-on technical support, IT systems administration, or site infrastructure engineer role.
• 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 (Fortinet, 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, lift up to 50 lbs of hardware, and work safely around laboratory or light industrial equipment.
• Kubernetes and Cloud (AWS) experience
• On-prem virtualization with vCenter and Proxmox
• Database fundamentals around Postgres and Timescale
• Comfort using AI tooling and a keen ability to discern hallucinations
• An old school sysadmin who has transitioned to an SRE that lives by the devops mindset
• Someone who loves clear documentation and knows what a PLC and the purdue models are
• 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
• Additional information
• At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.
• We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.
• This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

Preferred Qualifications

• OS Support: Deep familiarity with supporting and troubleshooting Windows, macOS, and basic Linux (Ubuntu/RedHat) environments. Kubernetes experience is a plus.

Responsibilities

• OT & Industrial Infrastructure Maintenance: Deploy, monitor, maintain and secure 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.
• Site Security Champion: Act as the on-site extension of the Cybersecurity team. Including but not limited to; making sure new systems follow secure-by-default standards, serving as the local responder for security events, escorting and overseeing vendor access, and generally raising the security posture of the site.
• 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.
• 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.