Project Engineer - Commercial

Current job opportunities are posted here as they become available.

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!

MWHis currently seeking a qualified Project Engineer to support a critical wastewater treatment plant project in Gresham, Oregon. This position will support the Project Management team through a variety of commercial functions, including cost management, change management, contract administration, forecasting, reporting, and project controls.

Cost Management & Forecasting (35%)

• Assist Project Managers in tracking project costs, budgets, forecasts, and financial performance.
• Support monthly cost reporting, cash flow forecasting, and project performance analysis.
• Monitor cost trends and identify potential risks, opportunities, and variances.
• Assist with earned value reporting and project controls activities.
• Maintain accurate commercial records and support project audits as required.

Contract Administration & Change Management (35%)

• Review subcontract agreements, purchase orders, and contract documents to ensure commercial compliance.
• Support administration of subcontractor and supplier contracts throughout the project lifecycle.
• Assist in the preparation, evaluation, and negotiation of change orders.
• Analyze subcontractor change requests and support validation of pricing and entitlement.
• Track time-and-material work, force account activities, and executed change orders.
• Coordinate with Project Managers, Superintendents, subcontractors, and clients to ensure timely resolution of commercial issues.

Project Coordination & Communication (20%)

• Support Project Managers with planning, execution, and reporting activities.
• Participate in project meetings and document commercial action items requiring follow-up.
• Coordinate with field teams, schedulers, subcontractors, and stakeholders to support project objectives.
• Assist in aligning project schedules, procurement activities, cost forecasts, and change management efforts.
• Communicate effectively with project team members to support project success.

Documentation & Reporting (10%)

• Maintain accurate project documentation, logs, correspondence, commercial records, and contract files.
• Prepare reports, presentations, and project status updates for internal and external stakeholders.
• Ensure project documentation is maintained in accordance with company procedures and project requirements.

• Bachelor's degree in Engineering, Construction Management, or related field required.
• 3+ years of experience in project engineering, commercial project controls, construction management, contract administration, or related project delivery roles.
• Experience supporting cost management, change management, forecasting, budgeting, or contract administration activities.
• Familiarity with construction contracts, project documentation, and commercial management processes.
• Strong analytical, organizational, communication, and problem-solving skills.
• Proficiency in Microsoft Office Suite, particularly Excel.
• Ability to be onsite 5-days a week.

• Experience supporting large infrastructure, heavy civil, water/wastewater, or commercial construction projects.
• Experience with change management, subcontract administration, and cost forecasting.
• Knowledge of project controls and commercial management best practices.
• Experience with Procore, Primavera P6, CMiC, SAP, or similar project management software platforms.
• Previous internship, co-op, or employment experience in the construction industry is a plus.
• Group health & welfare…