Project Manager - Mechanical

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 Project Manager to support the mechanical packages and lead a team of construction professionals on a critical water treatment plant construction project based out of Gresham, Oregon.

Package-Specific Mechanical Scope

• Process piping and pipe supports
• Pumps, blowers, mixers, and treatment process equipment, valves, gates, actuators, and appurtenances
• Chemical feed systems and storage equipment
• HVAC systems serving treatment facilities
• Mechanical equipment installation, alignment, and testing

Key Responsibilities

• Lead planning, execution, and delivery of the mechanical package from preconstruction through closeout
• Manage mechanical subcontractor procurement, contracts, and performance
• Oversee budget management, cost forecasting, and change management for mechanical scopes
• Coordinate mechanical installation activities with civil, electrical, and process teams
• Ensure mechanical systems meet drawings, specifications, and operational requirements
• Lead mechanical support for startup, commissioning, and system turnover
• Champion safety, quality control, and regulatory compliance

Required Experience & Knowledge

• 7+ years of construction project management or mechanical project leadership experience
• Manage mechanical packages in value of $100+ million
• Demonstrated experience managing mechanical scopes on water or wastewater treatment facilities
• Strong understanding of process piping, pumps, valves, and treatment equipment
• Experience supporting commissioning, startup, and owner turnover activities
• Working knowledge of construction cost control, scheduling, and change management

Education

Bachelor’s degree in Construction Management, Mechanical Engineering, or related field (Equivalent field experience may be considered in lieu of a degree)

Skills & Competencies

• Proven leadership and team management capabilities
• Strong coordination and communication skills across multidisciplinary teams
• Financial acumen with strong cost and schedule control skills
• Ability to manage complex mechanical scopes in active treatment plant environments
• Proficiency in Microsoft Office; experience with CMiC, Procore, Bluebeam, or similar systems preferred

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.

About the company

MWH