Senior Substation Relay Field Technician

Qualus Corporation; Middle River (MD); On-site; USD 85,000 - 115,000; Full time

Benefits offered by this job

Medical Insurance

401(k) Plan

Paid Time Off

Job summary

Qualus Corporation is seeking a Senior Relay Field Technician to join our Field Engineering team. The role involves testing and routine maintenance of transmission and distribution substation power equipment, relaying systems, and related pilot and communication equipment.

You will interpret drawings, support test plan creation, perform calibrations, verify alarms, and ensure on-time completion with no service interruptions.

Qualifications

• 5+ years of field experience in commissioning, panel and equipment checkout, relay calibration, testing and repairing substation relaying and control schemes.
• Understanding of 3-phase power systems and protection & control schemes.
• Strong communication and safety awareness in field environments.

Responsibilities

• Read and interpret substation drawings (SLDs, schematics, wiring diagrams).
• Write test procedures and plans for maintenance/construction activities.
• Conduct testing: voltage/current checks, metering, relay calibration, trip testing, alarm verification.
• Troubleshoot and repair substation relaying and control equipment; commission new substations.

Skills

Field experience

Relay calibration

Substation testing

Electrical testing

Education

Electrical Power & Controls degree

Tools

Test equipment

Job description

Qualus Corporation is seeking a Senior Relay Field Technician to join our Field Engineering team. The role involves testing and routine maintenance of transmission and distribution substation power equipment, relaying systems, and related pilot and communication equipment.

You will interpret drawings, support test plan creation, perform calibrations, verify alarms, and ensure on-time completion with no service interruptions.