Senior Field Engineer - Protection and Control

About Us

R.R. Cassidy, a Quanta Services, Inc. (NYSE : PWR) company, founded in 1975 brings together more than 45 years of hands-on construction expertise and specialized equipment to handle a diverse range of sub-surface and pole setting projects. Our capabilities allow us to perform conventional work, but our focus and expertise are on the projects that present unique challenges.

Our footprint is throughout the southern half of the U.S. with a growing presence in the MidWest and other regions.

Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us.

About this Role

R.R. Cassidy, Inc. is seeking a highly skilled Senior Field Engineer - Protection and Control to lead the commissioning, testing, troubleshooting, and maintenance of protection and control (P&C) systems in high-voltage substations. This position is ideal for a technically advanced professional with a strong leadership background, extensive field experience, and a passion for mentoring technicians while ensuring safety, quality, and performance on complex projects.

You will oversee the installation and testing of relay protection schemes, SCADA / DCS systems, and electrical control infrastructure, playing a key role in commissioning substations across the country

What You'll Do

• Supervise and mentor a team of 2–5 Substation Testing Technicians.
• Lead the testing and commissioning of protective relays (including overcurrent, voltage, directional, distance, impedance, sync check, loss of field, reverse power, and multifunction relays).
• Operate and program relay test equipment and software (Omicron, Doble, Vanguard, Test Universe, Protection Suite, RTS, etc.).
• Conduct end-to-end and function testing of substation equipment, including transformers, breakers, relay panels, and RTUs.
• Oversee scheme testing (breaker failure, reclosing logic, interlocks), setpoint validation, and advanced logic verification.
• Interpret and verify electrical drawings, relay settings, and system schematics to ensure accurate installation and operation.
• Perform communication protocol testing and troubleshooting (GOOSE, SCADA, DNP3, Modbus, Wireshark, ASE 2000, etc.).
• Support retrofit and upgrade projects involving protective relaying, DFRs, RTUs, IEDs, SCADA, and related communication systems.
• Generate comprehensive reports describing test results, issues found, and corrective actions taken or proposed.
• Manage field logistics, resource allocation, schedules, and coordination with engineering and construction teams.
• Conduct pre-energization safety checks and confirm equipment is safe and compliant for service.
• Ensure strict adherence to all safety procedures, initiating stop-work authority when needed.

What You'll Bring

What You'll Get

As a Quanta Services employee, we offer a wide range of benefits to fit your needs :

Equal Opportunity Employer

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and / or gender identity), age, disability, genetic information, veteran status, and / or any other basis protected by applicable federal, state or local law.We are an Equal Opportunity Employer, including disability and protected veteran status. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company's Human Resources department.

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