High-Voltage Substation Ops & Build Engineer

SpaceXAI; Memphis (TN); On-site; USD 120,000 - 180,000; Full time

Job summary

SpaceXAI’s High Power Engineering team in Memphis, TN designs, builds, operates, and maintains electrical infrastructure for AI training campuses. As an Ops/Build Engineer on the Transmission & Distribution team, you will scale high‑capacity power systems with a small on‑site team, travel to other sites as needed.

The role requires a strong background in HV substations, safety, and hands‑on leadership. Expect challenging timelines, on‑site work in varied environments, and close collaboration

Qualifications

• Bachelor's degree in Electrical Engineering or related field; or 8+ years of substation field experience in lieu of a degree.
• 5+ years in substation commissioning, testing, build, or utility operations on high‑power, high‑voltage systems.
• Experience energizing high‑voltage equipment and directing switching on live systems.
• Familiarity with relay test sets such as Doble F6150 or Omicron CMC.
• Certification: NETA Level III or IV preferred.
• Experience with SEL relay families and NERC PRC compliance testing.

Responsibilities

• Take high‑ and medium‑voltage assets from ground to load and maintain reliability in operation.
• Own the substation energization plan: pre‑energization checks, phasing verification, synchronizing checks, and staged load ramp.
• Direct NETA acceptance testing on breakers, transformers, GIS, instrument transformers, arresters, and cable systems.
• Execute relay end‑to‑end testing, transfer trip verification, and point‑to‑point SCADA and telemetry checkout with site and utility.
• Coordinate outages and switching with the utility; write and own clearance and switching procedures.
• Execute the electrical safety program in the field: arc‑flash labeling, energized work permitting, and switching authorization.
• After energization, own transformer oil program, breaker maintenance, battery/charger program, SF6 monitoring, and fault investigation via relay records.
• Collaborate with construction, vendors, and technicians; drive rapid, continuous improvements at the Memphis campus.
• Ensure compliance with NFPA 70, 70B, 70E, NESC, and IEEE standards; prioritize safety and engineering excellence.

Skills

Electrical engineering

Substation commissioning

High‑voltage systems

Relay testing

NFPA 70/70E knowledge

Team leadership

Education

Bachelor's degree in Electrical Engineering

Tools

Doble F6150

Omicron CMC

SEL relay testers

Job description

SpaceXAI’s High Power Engineering team in Memphis, TN designs, builds, operates, and maintains electrical infrastructure for AI training campuses. As an Ops/Build Engineer on the Transmission & Distribution team, you will scale high‑capacity power systems with a small on‑site team, travel to other sites as needed.

The role requires a strong background in HV substations, safety, and hands‑on leadership. Expect challenging timelines, on‑site work in varied environments, and close collaboration