
201 - 500 employees
📦 Logistics
💼 Consulting
🏭 Manufacturing
Logistics • Consulting • Manufacturing
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.
📡 We watch EC Source Services, LLC's careers page
Several times a day
how often we check
6
roles posted in the last 30 days
About 37 days
usual time to fill a role
24
roles closed in the last year
Selected: 🆕 Date Added.
🕒 5 days ago
CAD Drafter creating Civil 3D and AutoCAD designs for MasTec Power Delivery's electric transmission infrastructure projects. Preparing survey-based plans, permits, and construction documents.
🕒 September 9
Licensed Surveyor supporting MasTec’s electric transmission and substation construction projects. Providing survey control, construction layout, quality control, and technical guidance across project lifecycles.
🕒 August 24
Transmission Line Engineer designing overhead transmission systems up to 500 kV for MasTec Power Delivery. Developing routing, structures, foundations, and constructible EPC project deliverables.
🇺🇸 United States – Remote
💵 $130k - $160k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
👷🏻♀️ Engineer
👻 Ghost score 11%
🕒 August 24
Geotechnical Engineer designing and supporting foundations for MasTec’s electric transmission and power delivery projects. Evaluating soils, preparing reports, and supporting construction.
🇺🇸 United States – Remote
💵 $120k - $150k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
👷🏻♀️ Engineer
👻 Ghost score 11%
🕒 July 6
Engineering Project Manager responsible for leading electrical substation projects at MasTec Power Delivery. Ensuring safe, on-time delivery within budget, while complying with industry standards.
🕒 February 4
Substation Engineer leading high-voltage substation design and multidisciplinary project delivery. MasTec Power Delivery constructs electric transmission, distribution, and substation systems across the U.S.