Power Plant Construction Site Manager - Mechanical Trades

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact Jacobs is seeking an experienced Construction Site Manager to provide on‑site leadership for the mechanical and process trades that support construction of large‑scale thermal power generation facilities. This role is central to ensuring safe, efficient, and high‑quality installation of major mechanical and process systems. Working under the direction of the Construction Project Director, this position coordinates multiple subcontractor teams, resolves field challenges, and drives predictable performance across all mechanical and process scopes of work. The ideal candidate brings deep technical knowledge of power plant mechanical systems and a proven ability to manage complex, multi‑trade field execution in a fast‑paced construction environment. Responsibilities Lead daily field execution for all mechanical and process trades, including heavy rigging, millwright work, pressure piping installation, boiler/HRSG erection, rotating equipment installation, and mechanical balance‑of‑plant systems. Oversee installation of major equipment such as gas turbines, steam turbines, reciprocating engines, generators, HRSG modules, pumps, compressors, fans, heat exchangers, condensers, and cooling tower mechanicals. Manage subcontractors performing ASME code piping, steam piping, condensate and feedwater systems, fuel gas piping, cooling water systems, instrument air, service water, fire protection, and chemical feed systems. Ensure compliance with project specifications, drawings, and industry codes, including ASME Section I, Section VIII, B31.1, API standards, and applicable power industry requirements. Conduct field inspections to verify weld quality, pressure testing, equipment alignment, grouting, torqueing, and mechanical completion documentation. Coordinate closely with engineering teams to resolve RFIs, field design issues, constructability concerns, and technical challenges. Maintain strict adherence to safety protocols, including heavy lift planning, confined space entry, hot work permitting, and mechanical system isolation. Track progress, identify constraints, support schedule updates, and provide accurate reporting on productivity, manpower, and field risks. Support commissioning and startup activities, including system flushing, cleaning, equipment testing, mechanical turnover packages, and readiness for energization or steam blows. Build strong working relationships with subcontractors, inspectors, suppliers, and client representatives to ensure smooth field execution. #epjobs #naepjobs Location Greenville, South Carolina preferred. However will consider any Jacobs office location NATIONWIDE. Here’s what you’ll need Bachelor’s degree in Mechanical Engineering, Construction Management, or equivalent field experience in industrial or power plant mechanical construction. 7+ years of experience overseeing mechanical, piping, or process system construction on thermal power generation or heavy industrial projects. Strong working knowledge of thermal power plant mechanical systems, including rotating equipment, pressure piping, HRSG/boiler components, cooling water systems, fuel gas systems, and emissions control systems. Ability to interpret mechanical drawings, P&IDs, isometrics, equipment specifications, and installation tolerances. Demonstrated experience managing multiple mechanical subcontractors and coordinating multi‑trade field activities. Strong understanding of mechanical safety practices, QA/QC processes, and applicable codes and standards. Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well‑being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full‑time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock. The base salary range for this position is $170,400.00 to $260,000.00. Within the range, individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant education or training. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on March 11, 2026. This position will be open for at least 3 days. At Jacobs, we’re partnering across the globe to create the best project outcomes by maximizing the design, digital technology, and support capabilities of our Global Integrated Delivery (GID) teammates. By joining Jacobs, you’ll commit to supporting and engaging with these teams, as we work to build a company like no other. We value collaboration and believe that in‑person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work. Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support. #J-18808-Ljbffr Jacobs