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Lead Mechanical Superintendent

Department: 210 - Large Projects PWB
Location: Gresham, OR

MWH Constructors, an industry leader in the heavy civil construction of water and wastewater facilities, is currently seeking a Lead Mechanical Superintendent to support the construction of a Water Treatment Plant located in Portland, OR. This project will be the first of its kind in, scheduled to break ground in Summer of 2024 and ultimately supplying 135 million gallons of water a day to the Portland community by Fall of 2027. This position is a great opportunity to be a part of a historic infrastructure and filtration project and see it through the entire project delivery life cycle, from groundbreaking to closeout.

As the Lead Mechanical Superintendent, you will have overall responsibility for the process mechanical installation on the project and supervision of the installation subcontractor to ensure that the installed work aligns with the overall project implementation plan, focusing on safety, quality, project schedule and cost control. Ensure all work is completed per the engineering requirements detailed in the project documents. You will review and approve subcontractor construction plans, supervise activities, and coordinate work among different subcontractors while maintaining communication with engineering and project management teams.

Essential Functions

  • Ensure the safety of your crews.
  • Review and approve subcontractor construction schedule including overall and short interval schedules.
  • Review and approve subcontractor work plans.
  • Ensure each subcontractors' long lead equipment will meet scheduled installation dates.
  • Assist with reviewing Subcontractor BIM information developed for the project.
  • Review and approve all mechanical construction activities, ensuring adherence to project technical requirements.
  • Coordinate subcontractor activities with other discipline subcontractors and liaise with engineering and project management teams.
  • Assist in resolving construction problems and ensuring compliance with drawings and specifications.
  • Review shop drawings and submittals related to mechanical work.
  • Manage field inspections and ensure quality control and assurance standards for ongoing work phases.
  • Plan and coordinate field testing and inspections with the QA/QC staff per contract requirements.
  • Document compliance with quality control procedures and report non-compliance issues.
  • Monitor safety compliance of site personnel and subcontractors, ensuring corrective measures are taken.
  • Adhere to company health and safety policies to maintain a safe work environment.
  • Attend progress meetings and provide updates on project status and quality control measures.
  • Perform additional assignments as directed by project management.
  • Manage subcontractor crane needs and their safety while using the crane.

Basic Qualifications

  • Minimum of 15 years of relevant construction industry & supervision experience.
  • Prior experience and familiarity with the current standards for process mechanical in the water infrastructure environment.
  • Thorough understanding of construction safety, quality control and contract management is necessary.


  • Group health & welfare benefits including options for medical, dental and vision
  • 100% Company Paid Benefits: Employee Life Insurance & Accidental Death & Dismemberment (AD&D), Spouse and Dependent Life & AD&D, Short Term Disability (STD), Long Term Disability (LTD), Employee Assistance Program and Health Advocate
  • Voluntary benefits at discounted group rates for accidents, critical illness, and hospital indemnity
  • Flexible Time Off Program (includes vacation and personal time)
  • Paid Sick and Safe Leave
  • Paid Parental Leave Program
  • 10 Paid Holidays
  • 401(k) Plan (company matching contributions up to 4%).
  • Employee Referral Program

MWH Constructors is a global project delivery company in heavy civil construction with a focus on water and wastewater treatment infrastructure. With the ultimate goal of delivering maximum value to clients and their local communities, MWH Constructors provides single-source, integrated design and construction services through a full range of project delivery methods. Incorporating industry-leading preconstruction and construction services, the Company’s multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services.

Equal Opportunity Employer, including disabled and veterans.

Please note that all positions require pre-employment screening, including drug and background check, as a condition of employment.

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