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Jacobs

Power Plant Construction Site Manager – Mechanical Trades

Location

Philadelphia, PA

Wage

$170,400 – $260,000/yr

Employment Type

Full-time

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Posted on September 24, 2026

Job Description

Overview

Jacobs is seeking an experienced Construction Site Manager to provide on-site leadership for the mechanical and process trades that support the 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.

Responsibilities

  • Lead daily field execution for all mechanical and process trades.
  • Oversee installation of major equipment such as gas turbines and steam turbines.
  • Manage subcontractors performing ASME code piping and other mechanical systems.
  • Ensure compliance with project specifications, drawings, and industry codes.
  • Conduct field inspections to verify weld quality and mechanical completion documentation.
  • Coordinate closely with engineering teams to resolve RFIs and technical challenges.
  • Maintain strict adherence to safety protocols.
  • Track progress, identify constraints, and provide accurate reporting.
  • Support commissioning and startup activities.
  • Build strong working relationships with subcontractors and client representatives.

Requirements

  • Bachelor’s degree in Mechanical Engineering, Construction Management, or equivalent field experience.
  • 7+ years of experience overseeing mechanical, piping, or process system construction.
  • Strong working knowledge of thermal power plant mechanical systems.
  • Ability to interpret mechanical drawings, P&IDs, and equipment specifications.
  • Demonstrated experience managing multiple mechanical subcontractors.
  • Strong understanding of mechanical safety practices and applicable codes.

Benefits

  • Health Insurance
  • Dental
  • Vision
  • 401k
  • PTO

Additional Information

  • Location – Greenville, South Carolina preferred, but will consider any Jacobs office location nationwide.
  • The base salary range for this position is $170,400.00 to $260,000.00.

Benefits

Health Insurance
Dental
Vision
401k
PTO
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How this job compares in Philadelphia, PA

Pay in context

At roughly $103/hr, this posting sits about 223% above the $32/hr median for welding jobs in Philadelphia, PA — toward the top of a $28–$40/hr middle band drawn from 24 postings with published pay. Put another way, it pays more than about 100% of the comparable postings we have wage data for. Pay that far above local median usually comes attached to something: a harder cert requirement, travel, night shift, or overtime that isn't really optional. Worth establishing which before you accept.

The local market in Philadelphia, PA

We're tracking 51 other active welding openings in Philadelphia, PA right now, from 38 different employers. 22 of them were added in the last week. Across Pennsylvania as a whole we're tracking 274 other active welding openings from 180 employers. A metro this active generally means you have real leverage — employers here are competing for the same welders. Browse every welding job in Philadelphia, or widen the search to Pennsylvania.

The most active employers in Pennsylvania at the moment, by number of open welding reqs, are Phillips Tank & Structure (8), Johnson Controls (7), and Greene Tweed (6). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.

Within Pennsylvania, the best-paying metros we track by median hourly rate are Philadelphia at $32/hr, Braddock at $31/hr, and York at $27/hr. Philadelphia is among them.

Certifications this posting mentions

  • ASME Section IX — the ASME Boiler and Pressure Vessel Code qualification. It covers welding on pressure-retaining equipment — boilers, vessels, and process piping — where a failed weld is a safety incident rather than a rework ticket.

Read straight from this posting's text. Confirm the exact qualification the employer wants before you test — requirements vary by shop even under the same code.

Similar openings near Philadelphia, PA

Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Power Plant Construction Site Manager – Mechanical Trades figures were last recalculated when this page was built.