
201 - 500 employees
⚡ Energy
🤝 B2B
Energy • B2B
EC Source Services, LLC is a construction solution provider and subsidiary of MasTec that engineers, procures, and constructs utility infrastructure projects. The company specializes in transmission, distribution, and substation work — including overhead and underground transmission systems, substations, switchyards, and EPC services — and handles projects ranging from large multi-state EHV transmission lines to smaller distribution and restoration work. EC Source Services operates nationwide and provides labor, equipment, testing, and commissioning for utility clients, with offices in Houston, Mesa, Sacramento, Gaffney, and Schertz.
🕒 April 30
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201 - 500 employees
⚡ Energy
🤝 B2B
Energy • B2B
EC Source Services, LLC is a construction solution provider and subsidiary of MasTec that engineers, procures, and constructs utility infrastructure projects. The company specializes in transmission, distribution, and substation work — including overhead and underground transmission systems, substations, switchyards, and EPC services — and handles projects ranging from large multi-state EHV transmission lines to smaller distribution and restoration work. EC Source Services operates nationwide and provides labor, equipment, testing, and commissioning for utility clients, with offices in Houston, Mesa, Sacramento, Gaffney, and Schertz.
• Design, configure, and maintain telecom systems supporting substation protection and control schemes • Integrate communication networks for SCADA, tele-protection, and automation systems • Engineer and support microwave radio communication systems for utility-grade networks • Ensure reliable communication paths for protection relays, including line differential and distance protection schemes • Perform testing and commissioning of protection and telecom systems in substations • Troubleshoot faults in telecom and protection interfaces, ensuring minimal downtime • Collaborate with protection engineers to ensure proper signaling, latency, and redundancy requirements • Develop and maintain documentation including network diagrams, settings files, and test reports • Ensure compliance with industry standards (e.g., IEC, IEEE, NERC where applicable) • Support cybersecurity practices within telecom and control system environments
• Bachelor’s degree in Electrical Engineering, Telecommunications, or related field • 3–8+ years of experience in substation engineering, with focus on telecom and protection systems • Strong understanding of protection and control schemes (line protection, busbar, transformer protection) • Hands-on experience with microwave communication systems (design, path studies, installation, alignment, and maintenance) • Experience with SCADA, RTUs, and substation communication protocols (e.g., IEC 61850, DNP3, Modbus) • Familiarity with tele-protection schemes and requirements for latency and reliability • Ability to read and interpret wiring diagrams, protection schematics, and telecom network layouts
• Remote work options
Apply Now🕒 April 30
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