R. R. CASSIDY INC · 14 hours ago
Senior Field Engineer - Protection and Control
R.R. Cassidy, Inc. is a company under Quanta Services, Inc. that specializes in handling diverse sub-surface and pole setting projects. They are seeking a Senior Field Engineer - Protection and Control to lead the commissioning, testing, troubleshooting, and maintenance of protection and control systems in high-voltage substations while supervising a team and ensuring safety and performance on complex projects.
Building MaterialCivil EngineeringConstruction
Responsibilities
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
Qualification
Required
7-10 years in substation relay and control testing and commissioning role
4-6 years in a foreman or leadership role
Advanced knowledge of substation protection and control systems, including relays, RTUs, breakers, and transformers
Proficient in reading and interpreting single-line diagrams, three-line schematics, wiring diagrams, and network layouts
Skilled in troubleshooting complex protection and SCADA control issues in energized and de-energized systems
Proficient in Microsoft Office Suite (Word, Excel, Outlook)
Must be able to distinguish color codes for wiring and materials
Valid driver's license with an acceptable driving record. Prefer Class A or B
Ability to pass a pre-employment drug screen and criminal background check
Preferred
Associate Degree in Electrical Engineering, Electronics, or a related field
Benefits
401(k) with immediate matching and vesting
Comprehensive benefits packages including Medical, Dental, and Vision
Choice of PPO, HSA, and FSA plans
Short-term and long-term disability benefits
Employee discounts on consumer goods
Company
R. R. CASSIDY INC
Founded in 1975, R. R. Cassidy, Inc.
Funding
Current Stage
Growth StageCompany data provided by crunchbase