Senior Project Manager Water​/Wastewater

Senior Project Manager

Mott Mac Donald is expanding its Water practice in North America, and we are seeking a Senior Project Manager to join our growing team of seller-doers in Denver, CO.

In this role, you will lead the design and delivery of complex water and wastewater infrastructure projects, providing both technical leadership and project management across the full project lifecycle—from planning and design through construction and commissioning. You will collaborate with multidisciplinary teams and work closely with clients, regulators, and partners to deliver innovative, sustainable solutions.

• Lead and manage water and wastewater treatment projects from concept through delivery including financial performance
• Provide process engineering expertise, including treatment plant design and optimization
• Manage project scope, schedule, and budgets, ensuring successful delivery
• Coordinate multidisciplinary teams, subconsultants, and stakeholders
• Develop and review technical reports, design documents, and specifications
• Build and maintain strong client relationships and support business development efforts
• Mentor and support the development of junior engineers
• Ensure compliance with regulatory requirements and industry best practices

• Bachelor's degree in Civil, Environmental, Chemical, or related Engineering discipline
• 10+ years of experience in water/wastewater engineering and project management
• Strong experience in process design for treatment facilities, pump stations, and conveyance systems Proficient in Autodesk® AutoCAD LT® and Revit
• Proven ability to deliver projects across planning, design, and construction phases
• Professional Engineer (PE) license required (Colorado preferred or ability to obtain)
• Demonstrated experience managing teams, budgets, and client relationships
• Strong communication, leadership, and problem-solving skills

Benefits & Reward

At Mott Mac Donald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses. We provide a comprehensive benefit package that includes 401k, medical, dental and vision insurance, short-term/long-term disability, paid holidays, PTO, parental leave, and company paid life insurance.

Individual pay is determined based on several factors such as work location, education, experience, and unique skills.

The expected salary for this position is $140,000 - $171,000.

Collaboration at Our Core At Mott Mac Donald, we believe great ideas happen when we're together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

Equal opportunity is the law.

We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.