Field Service Engineer

About Giga Giga is building gigawatts of AI data centers to hasten a future of intelligence and abundance. We build data centers fast and at scale by combining the capabilities of an equipment supplier engineering firm general contractor and real estate developer under one roof. Our team moves quickly and thinks practically. If you're ready to make an impact in an industry that matters we're looking for people like you. Why join Giga The Pace We're building at a speed most companies talk about but never actually operate at. If you've been bored somewhere else you won't be here. The Impact Every person at Giga touches the work that matters. No layers no waiting for approval chains. You'll see your fingerprints on what we ship. The Team A team of operators defining the future of AI infrastructure. We recruit A-players from the most innovative companies in the world and they choose Giga because the work here means more. The Moment AI doesn't run without power and that's us. Giga is the picks and shovels behind the AI revolution. This industry is about to explode and you'll be in the room where it's already happening.

What you'll do

Giga Energy designs and manufactures switchboards transformers and modular data center power infrastructure for the AI and mission-critical data center market. We're building our field service function from the ground up to support commissioning startup and post-installation service for our transformer product line as it scales into utility industrial and hyperscale data center deployments. As a Field Service Engineer – Transformers you'll be the technical face of Giga Energy at customer sites — commissioning new units troubleshooting in-service equipment and building the field service playbook as one of our first dedicated transformer FSEs. Where you'll work This role is a a heavy travel position. This candidate must be open to 50-70% travel expectations. Base salary + travel per diem competitive with market (benchmarked against ABB/Siemens/Powell field service compensation bands) On-call rotation for emergency customer support Company vehicle or travel allowance per diem and standard field service equipment provided

Responsibilities

Perform on-site installation oversight startup and commissioning of power and distribution transformers (oil-filled and dry-type) at customer facilities Conduct acceptance testing per IEEE/IEC/NEMA and customer specifications prior to energization Support equipment energization planning outage coordination and site readiness reviews with customers EPCs and project managers Interpret and work from single-line diagrams winding/vector diagrams control schematics and equipment nameplate data Perform Turns Ratio (TTR) testing winding resistance insulation resistance (IR/PI) power factor/dissipation factor and SFRA testing Conduct Dissolved Gas Analysis (DGA) sampling and interpret oil analysis results to assess transformer health Perform relay and protection testing where transformers interface with protective schemes Diagnose and troubleshoot On-Load Tap Changer (OLTC/LTC) mechanisms cooling systems and control/monitoring equipment Document all test results and produce clear customer-ready technical reports Execute troubleshooting corrective maintenance repair and end-of-life/retrofit services on transformers in the field Proactively identify potential equipment failures and recommend corrective or preventive actions to customers Support warranty investigations root cause analysis and field failure reporting back to Engineering and Quality Respond to emergency service calls including after-hours and weekend support as required Serve as the primary on-site technical representative for Giga Energy building and maintaining strong customer relationships Communicate job status technical findings and recommendations clearly to customers contractors and internal stakeholders Prepare material lists technical quotations and scopes of work for follow-on service opportunities Coordinate with site engineers contractors and internal Engineering/Quality teams during outages and installs Comply fully with OSHA NFPA 70E (arc flash/electrical safety) and Giga Energy EHS policies on every site visit Maintain required certifications (e.g. NETA OSHA 10/30 first aid/CPR) and complete ongoing safety training Ensure all high-voltage work follows lockout/tagout (LOTO) and permit-to-work procedures Maintain timely accurate service reports timesheets expense reports and job status updates Feed field observations (failure modes install issues design feedback) into Giga's NCR/SCAR and continuous improvement processes

Requirements

Bachelor's degree in Electrical Engineering Electrical Engineering Technology or related field — OR equivalent experience (military electrical/electronics training associate degree + relevant field experience) 2+ years of hands-on field experience with power/distribution transformers switchgear or related power delivery equipment (entry-level candidates with strong internships/training programs will be considered) Working knowledge of transformer testing TTR insulation resistance DGA/oil analysis power factor testing Ability to read and interpret electrical schematics single-line diagrams and winding/vector diagrams Willingness and ability to travel 50–75% including domestic and potentially international sites Valid driver's license ability to maintain/obtain a passport Physical ability to lift/move equipment components and work in industrial field environments (heights confined spaces outdoor conditions)

Bonus Points

Experience with OEM transformer platforms (ABB Siemens GE Hitachi Energy Powell ERMCO) or equivalent Familiarity with On-Load Tap Changers (OLTC) cooling systems (ONAN/ONAF/OFAF) and bushings NETA certification or working toward NETA Level II/III Experience with protective relay testing and interpretation Data center or mission-critical facility experience Prior experience at a transformer OEM utility or independent testing/service organization How We Work We value people who take ownership raise risks early communicate directly and follow through. Incomplete information is part of the job. Make the best decision you can document it and adjust as the facts change. Move quickly on reversible decisions and take more care when security safety financial employee or customer risk is involved.

Benefits

Subsidized health dental and vision insurance Equity (options) in a rapidly growing startup 401(k) with 4% employer match Unlimited PTO Parental leave Healthcare and Dependent Care Flexible Spending Accounts (FSA) or Health Savings Account (HSA) Commuter benefits where applicable Opportunities to collaborate in person at periodic team and company on-sites Equal Opportunity Employer Statement Giga Energy is an equal opportunity employer and is committed to fostering an inclusive and diverse workplace. We do not discriminate based on race color religion sex sexual orientation gender identity national origin age disability veteran status or any other protected characteristic as outlined by federal state or local laws. Giga Energy complies with all applicable labor laws including the California Fair Employment and Housing Act (FEHA) and other relevant state and federal regulations. We provide reasonable accommodations for qualified individuals with disabilities and encourage applicants who require accommodations during the hiring process to contact us.