Data Center Field Engineer: Power & Relay Expert

NES Fircroft; Town of Texas (WI); On-site; USD 85,000 - 125,000; Full time

Job summary

NES Fircroft is seeking a highly skilled Field Service Engineer to lead complex service operations across multiple data center locations. The role requires extensive travel (4–6 weeks at a time) and a strong background in power systems, relay testing, and troubleshooting.

You will mentor junior staff, serve as a technical expert in the field, and oversee on-site activities to ensure safety and compliance with standards.

Qualifications

• Minimum 5–12+ years in field service with power systems.
• Strong analytical and problem-solving skills.
• Proven experience in electrical testing and field service roles.
• Hands-on experience with switchgear, transformers, and other electrical equipment.
• Willingness to travel 4–6 weeks at a time.

Responsibilities

• Lead and perform complex field service operations and troubleshooting tasks.
• Apply engineering methods to modify and redline customer drawings and schematics.
• Conduct relay testing (electro-mechanical and solid-state), PLC programming, and testing of low and medium voltage circuit breakers.
• Perform CT testing, SF6 gas testing, and utility paralleling system analysis.
• Operate and interpret results from test equipment such as relay test sets, power factor testers, Hipot, Megger, phase rotation meters, and voltage/current meters.
• Supervise on-site activities and ensure safety and technical compliance.
• Mentor and provide technical guidance to junior associates.
• Serve as a subject matter expert in specific technical areas.
• Work with and troubleshoot, install, commission switchgear, transformers, and other power delivery equipment.

Skills

Power systems

Relay testing

Troubleshooting

Mentoring

Field service experience

Education

Bachelor’s Degree in Electrical Engineering

Associate’s Degree

High School Diploma/GED

Tools

Relay test sets

Power factor testers

Hipot

Megger

Phase rotation meters

Voltage/current meters

On-site supervision

Job description

NES Fircroft is seeking a highly skilled Field Service Engineer to lead complex service operations across multiple data center locations. The role requires extensive travel (4–6 weeks at a time) and a strong background in power systems, relay testing, and troubleshooting.

You will mentor junior staff, serve as a technical expert in the field, and oversee on-site activities to ensure safety and compliance with standards.