Electrical Protective Relay Maintenance Technician

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.

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.

Pay and benefits

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.

Trade Secrets

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

• Please visit Samsung membership to see Privacy Policy, which defaults according to your location. You can change Country/Language at the bottom of the page. If you are European Economic Resident, please
• Samsung Electronics America, Inc. and its subsidiaries are committed to Equal Employment Opportunity for all individuals regardless of race, color, religion, gender, age, national origin, marital status, sexual orientation, gender identity, status as a protected veteran, genetic information, status as a qualified individual with a disability, or any other characteristic protected by law.