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Working at Mott MacDonald

  • Company employees
    18,000 worldwide
  • Gender diversity (m:f:nb)
    0:35:65

Hiring in

  • Africa
  • Northern America
  • Southeast Asia
  • Europe
  • United Arab Emirates
  • Australia
  • Hong Kong SAR China
  • India
  • Japan
  • South Korea
  • New Zealand
  • Saudi Arabia

Office locations

Mott MacDonald is seeking a Senior Project Manager Water/Wastewater to join their growing team of seller-doers in Denver, CO. In this full-time, hybrid role (minimum 3 days in office), you will lead the design and delivery of complex water and wastewater infrastructure projects across their full lifecycle. The expected salary range is $140,000 - $171,000.

Requirements

  • Bachelor’s degree in Civil, Environmental, Chemical, or related Engineering discipline
  • 10+ years of experience in water/wastewater engineering and project management
  • Professional Engineer (PE) license required (Colorado preferred or ability to obtain)
  • Strong experience in process design for treatment facilities, pump stations, and conveyance systems
  • Proficiency in Autodesk AutoCAD LT and Revit

Skills & Responsibilities

  • Process Engineering Expertise: Design and optimize water and wastewater treatment facilities, pump stations, and conveyance systems.
  • Project Management: Manage project scope, schedules, budgets, and financial performance from planning through construction and commissioning.
  • Team Leadership & Coordination: Coordinate multidisciplinary teams, subconsultants, and stakeholders while mentoring junior engineers.
  • Client Relations & Business Development: Build strong client relationships, develop technical reports and specifications, and support business development efforts.
  • Potential transition routes: People from Senior Environmental Engineer or Project Engineer roles may bring strong technical design and coordination skills, alongside meeting mandatory PE license and engineering degree requirements.

Job description

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

Mott MacDonald 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.

Key responsibilities:

  • 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

Candidate Specification:

  • 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
Apply now
Mott MacDonald

Senior Project Manager Water/Wastewater

Denver
Hybrid
$140,000 - $171,000 / year
  • 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 MacDonald, 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 MacDonald, 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.

    • English version
    • Spanish version
    • Chinese version

    All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.

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