Principal Mechanical Engineer

🕒 May 13

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EC Source Services, LLC

WebsiteLinkedInAll Job Openings

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.

📋 Description

• Serve as the technical authority and discipline lead for all mechanical engineering aspects of power delivery projects. • Oversee and review the design of HVAC systems, oil containment, cooling systems, piping, conduit supports, equipment enclosures, and other mechanical components for substations and related facilities. • Lead the development and review of calculations, specifications, design drawings, and construction documentation. • Provide mechanical design guidance for transformer installations, gas-insulated substations (GIS), and high-voltage equipment layouts. • Support thermal and ventilation studies, ensuring that substation environments maintain safe and efficient operating conditions. • Collaborate with civil, electrical, and structural teams to deliver fully integrated and constructible design solutions. • Conduct site visits and field assessments to collect data, verify conditions, and support construction and commissioning activities. • Manage project scopes, schedules, budgets, and deliverables to ensure high-quality and timely completion. • Lead the development of standards, procedures, and best practices for mechanical design in power delivery applications. • Mentor and provide technical guidance to mechanical engineers, designers, and CAD technicians. • Serve as a client-facing technical expert, presenting engineering solutions, addressing complex challenges, and supporting business development activities. • Ensure adherence to QA/QC procedures, safety standards, and applicable codes (ASME, NFPA, API, IEEE, and NESC).

🎯 Requirements

• Bachelor’s degree in Mechanical Engineering ( Master’s degree preferred). • 10+ years of mechanical engineering experience in power delivery, substations, or energy infrastructure. • Professional Engineer (P.E.) license required preferred. • Strong understanding of fluid mechanics, heat transfer, and mechanical systems for substation or industrial facilities. • Proficiency with design and analysis software such as AutoCAD, Revit, CFD, Pipe-Flo, or Thermoflow. • FEA software proficiency: Expertise in using FEA software (e.g., ANSYS and/or SolidWorks), modeling CAD software. • In-depth knowledge of industry standards (ASME, NFPA, API, IEEE, NESC, and IEC). • Proven experience in project management, team leadership, and client relations. • Excellent analytical, organizational, and communication skills. • Ability to manage multiple complex projects and guide cross-disciplinary teams to successful outcomes.