Senior Substation Field Service Engineer

Group-CBS; Roseville (MN); On-site; USD 70,000 - 100,000; Full time

Job summary

Group-CBS is seeking a hands-on Field Service Technician to perform testing, maintenance, commissioning, upgrades, and repairs on electrical power equipment at customer facilities. You will troubleshoot electrical and mechanical issues, read schematics, and complete accurate service reports to support outages and critical infrastructure.

The role requires strong knowledge of electrical power systems, NETA/70E familiarity, and ability to work independently while maintaining safety and quality.

Qualifications

• High school diploma or GED required
• Associate degree in Electrical/Electronic Technology, military experience, or related technical training preferred
• Eight or more years of experience in electrical testing, maintenance, commissioning, or substation work
• Strong knowledge of electrical power systems and testing procedures
• Ability to diagnose and troubleshoot complex electrical and mechanical issues
• Familiarity with NETA, NFPA 70E, OSHA, DOT, and related industry standards
• Strong communication, organization, and problem-solving skills
• Comfortable using Microsoft Office, email, and technical reporting systems
• Ability to work independently and manage multiple priorities
• NETA certification or ability to obtain NETA Level III or IV certification

Responsibilities

• Perform testing, maintenance, commissioning, upgrades, and repairs on electrical power equipment
• Inspect, troubleshoot, and diagnose electrical and mechanical issues in substations and power systems
• Read and interpret schematics, drawings, manuals, and technical documentation
• Complete service reports, testing documentation, and customer deliverables
• Support emergency response work and customer outage situations as needed
• Maintain tools, test equipment, vehicles, and work areas in a clean and organized condition
• Perform transformer testing including power factor, TTR, insulation resistance, winding resistance, and related testing
• Conduct cable testing including insulation resistance, tan delta, hipot, TDR, and partial discharge testing
• Perform circuit breaker testing, diagnostics, and maintenance
• Test and troubleshoot protective relays and associated control systems
• Assist with installation, startup, maintenance, and repair of electrical equipment
• Identify equipment issues and recommend corrective actions
• Support planning, scheduling, execution, and cost management of field projects
• Participate in and lead safety meetings, training sessions, and job briefings
• Establish and follow lockout/tagout procedures and safe work practices
• Ensure compliance with company, customer, and industry safety standards
• Provide guidance and technical support to less experienced technicians

Skills

Electrical testing

Troubleshooting

Communication

Problem solving

MS Office

Independent work

Safety awareness

Education

Associate degree in Electrical/Electronic Technology

Military experience or related technical training

NETA certification

Tools

Microsoft Office

Job description

Group-CBS is seeking a hands-on Field Service Technician to perform testing, maintenance, commissioning, upgrades, and repairs on electrical power equipment at customer facilities. You will troubleshoot electrical and mechanical issues, read schematics, and complete accurate service reports to support outages and critical infrastructure.

The role requires strong knowledge of electrical power systems, NETA/70E familiarity, and ability to work independently while maintaining safety and quality.