Senior Electrical Maintenance Technician - Protective Relays & Power Systems

Samsung; Taylor (TX); On-site; USD 49,000 - 96,000; Full time

Job summary

Samsung Austin Semiconductor seeks a Senior Relay Technician to ensure safe operation of critical electrical infrastructure. You will lead testing, calibration, and commissioning of protective relays and distribution systems, while mentoring technicians and supporting OT communications and site reliability.

Qualifications include 7+ years in industrial electrical maintenance with at least 3 years on protective relays, plus strong knowledge of NFPA 70E and safety practices.

Qualifications

• 7+ years of industrial electrical maintenance experience, incl 3+ years with protective relays and power distribution systems.
• Experience testing, troubleshooting, and commissioning protective relays, switchgear, breakers, transformers, and MV equipment.
• Ability to read and interpret one-line diagrams, electrical schematics, relay logic diagrams, wiring diagrams and construction drawings.
• Experience using electrical test equipment such as relay test sets, multimeters, meggers, power quality analyzers, and related software.
• Strong knowledge of electrical safety practices including LOTO, arc flash protection, NFPA 70E, and safe switching operations.
• Education: high school diploma or equivalent; technical degree or electrical license preferred.

Responsibilities

• Serve as SME for protective relays, electrical protection systems, and control schemes supporting critical facility infrastructure.
• Test, troubleshoot, calibrate, maintain, and commission protective relays and power distribution equipment.
• Support safe operation of MV and LV distribution by responding to faults and abnormal conditions.
• Analyze relay event data and alarms to identify root causes and improve reliability.
• Develop and update preventive maintenance procedures and switching procedures in line with NFPA 70B and site standards.
• Provide leadership and mentorship to maintenance technicians and contractors during commissioning and energization activities.

Skills

Protective relays

Electrical protection

Troubleshooting

Electrical safety

Reading schematics

Education

High school diploma or equivalent

Technical degree / apprenticeship / electrical license preferred

Tools

Relay test sets

Multimeters

Meggers

Power quality analyzers

Relay software tools

Job description

About Samsung Austin Semiconductor

Samsung is a world leader in advanced semiconductor technology, founded on the belief that the pursuit of excellence creates a better world. At Samsung Austin Semiconductor, we are Innovating Today to Power the Devices of Tomorrow.

Come innovate with us!

Position Summary

The Senior Relay Technician position is essential for the safe and reliable operation of critical electrical infrastructure within the facility. This role requires advanced technical expertise in protective relays, electrical protection systems, and associated Operational Technology (OT) communications that are essential to maintaining system reliability, supporting commissioning and energization activities, reducing operational risk, and ensuring compliance with maintenance and electrical safety standards. Additionally, the position contributes to long-term reliability initiatives, troubleshooting efforts, and provides technical mentorship within the Infra Electrical Maintenance organization.

Role and Responsibilities

Here's What You'll Be Responsible For:

• Serve as the site Subject Matter Expert (SME) for PROTECTIVE RELAYS , electrical protection systems, and associated control schemes supporting critical facility infrastructure.
• Perform testing, troubleshooting, calibration, maintenance, and commissioning of protective relays, switchgear controls, breaker trip circuits, and power distribution protection systems.
• Support safe and reliable operation of medium-voltage and low-voltage electrical distribution systems by responding to faults, abnormal conditions, nuisance trips, and electrical incidents.
• Analyze relay event reports, oscillography, SCADA/FMCS data, and electrical system alarms to identify root causes and improve system reliability.
• Develop, maintain, and improve preventive maintenance procedures, relay testing programs, switching procedures, and technical documentation in alignment with NFPA 70B and site maintenance standards.
• Support Operational Technology (OT) and communications systems associated with electrical infrastructure, including SEL communications, fiber networks, SCADA/FMCS integration, and relay networking.
• Provide technical leadership, mentorship, and training for maintenance technicians and contractors while supporting commissioning, energization, and operational readiness activities across the facility.

Skills and Qualifications

Here's what you'll need:

• Minimum 7 years of industrial electrical maintenance experience, including at least 3 years working directly with PROTECTIVE RELAYS and POWER DISTRIBUTION SYSTEMS.
• Demonstrated experience testing, troubleshooting, and commissioning protective relays, switchgear, breakers, transformers, and medium-voltage electrical equipment.
• Ability to read and interpret one-line diagrams, electrical schematics, relay logic diagrams, wiring diagrams, and construction drawings.
• Experience using electrical test equipment such as relay test sets, multimeters, meggers, power quality analyzers, and associated relay software tools.
• Strong working knowledge of electrical safety practices including LOTO, arc flash protection, NFPA 70E, and safe switching operations in an industrial or mission-critical environment.
• High school diploma or equivalent required; technical degree, apprenticeship, or electrical license preferred.

The current base salary range for this role is between $23.50 - $46.00/hour. Individual base pay rates will depend on factors including duties, work location, education, skills, qualifications and experience. Total compensation for this position will include a competitive benefits package and may include participation in company incentive compensation programs, which are based on factors to include organizational and individual performance.

Total Rewards

At Samsung Austin Semiconductor, base pay is just one part of our total compensation package. The base compensation for this role will depend on education, experience, skills, and location.

We offer a comprehensive benefits package, including:

• Medical, dental, and vision insurance
• Life insurance and 401(k) matching with immediate vesting
• Onsite café(s) and workout facilities
• Paid maternity and paternity leave
• Paid time off (PTO) + 2 personal holidays and 10 regular holidays
• Wellness incentives and MORE

Eligible full-time employees (salaried or hourly) may also receive MBO bonuses based on company, division, and individual performance.

All positions at Samsung Austin Semiconductor are full-time on-site.

U.S. Export Control Compliance

This role may require access to information subject to U.S. export control laws. Applicants must be authorized to access such information or eligible for government authorization.

Trade Secrets Notice

By submitting an application, you agree not to disclose to Samsung-or encourage Samsung to use-any confidential or proprietary information (including trade secrets) belonging to a current or former employer or other entity.