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Lead Commissioning & Startup Engineer - MWH

MWH Constructors
life insurance, parental leave, paid holidays, short term disability, long term disability, flex time, 401(k)
United States, California, San Francisco
44 Montgomery St Ste 1400 (Show on map)
Nov 20, 2025

MWH is a leading water and wastewater treatment-focused general contractor in the US with a rich history dating back to the 19th century. Fueled by the mission of Building a Better World, our teams are rapidly growing across the nation.

As a company committed to our team's well-being and growth, we offer a supportive work environment, opportunities for advancement, and the chance to contribute to a mission that shapes the future. Your expertise and ambition are valued here.

The work we do matters. The critical systems infrastructure we build changes lives, betters' communities, and improves ecosystems. If you're passionate about this, we want to hear from you!

About the Role

MWH is currently seeking a qualified Lead Commissioning & Startup Engineer. This position will assist in the commissioning and startup of an industrial wastewater treatment plant and future municipal projects. As part of the Commissioning and Startup team, this position will be providing commissioning services to allow the company to minimize risks and maximize profits on turnkey and engineering services contracts.

This position is based in San Francisco, California and reports directly to the Commissioning Manager.

Essential Functions



  • Lead the development and execution of commissioning and startup plans.
  • Lead the development of written procedures for testing, cleaning and initial startup of major plant equipment and systems.
  • Manage client/vendor/subcontractor coordination for the startup of completed systems. Provide training program and materials for process plant equipment.
  • Adapt to changing technologies and learn functionality of new equipment and systems.
  • Assist in resource planning at project level.
  • Manage documentation of the commissioning process, including commissioning data and as built documentation, input to O&Ms and feedback to the design disciplines.
  • Communicate clearly and concisely, both verbally and in writing.
  • Establish and maintain effective working relationships with those contacted in the course of work.
  • Recognize the importance of satisfying the customer as the key to achieving other objectives.
  • Participate in the acquisition and storing of business and technical knowledge, and the use of those stored intellectual assets.
  • Maintain Health and Safety levels during the commissioning activities.
  • Recognize that Health and Safety considerations are central to all tasks and contribute to ensuring a safe working environment for all.
  • Report safety issues responsibly and participate in improving practice.
  • Ensure your own continuous professional development by participating in external networking/conferences/associations/groups, to stay current on industry changes and innovations.
  • To continue to develop personally and technically.
  • Maintain a positive and solution-oriented approach to work, providing open and honest feedback.
  • Undertake such other duties, training and/or hours of work as may be reasonably required and which are consistent with the general level of responsibility of this role.
  • In all internal and external contact, present a professional and positive image of the department and MWH Treatment as well as maintaining mutually constructive, positive and beneficial relationships.
  • Take all reasonable steps to ensure appropriate confidentiality.


Basic Qualifications



  • Bachelor's degree in Engineering, Construction Management, Construction Technology, Business Administration, Science, or a related tchick field.
  • Minimum of 5-7 years of experience in commissioning, start-up and plant operations.
  • Experience in the water/wastewater industry or applicable industrial construction responsibilities.
  • Background in operations, maintenance, and Commissioning/startup of process systems.
  • Familiarity with asset management systems (e.g., Maximo) for vertical assets.
  • Proficient in interpreting technical manuals, P&IDs, PFDs, drawings, schematics, and instrumentation diagrams.
  • Understanding of maintenance methods and repair techniques for wastewater facility equipment, machinery, and process systems.
  • Experience working with O&M programs within water/wastewater treatment facilities.
  • Knowledge of occupational hazards and industry-standard safety practices.
  • Proficient with Microsoft Office (Word, Excel), Adobe, and SharePoint for document management.
  • Familiarity with process equipment such as pumps, valves, filters, compressors, chemical feed systems, and associated instrumentation.
  • Familiarity with field-based troubleshooting, loop checks, and functional verification of mechanical, electrical, and I&C systems.
  • Experience with commissioning documentation, test plans, functional testing procedures, and system turnover processes.
  • Ability to coordinate and interface with controls, mechanical, electrical, and operations teams during startup activities.


Compensation



  • Anticipated yearly salary for this position is at $125,000 - $175,000 based on experience.


Benefits



  • 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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