Water/Wastewater Project Manager

At Mott MacDonald, we are driven by purpose and powered by brilliant people. As a trusted engineering, management, and development consultancy, we work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve.

When you join us as an experienced professional, you will bring your expertise to work that matters while continuing to grow your career. You will collaborate with talented colleagues across disciplines and geographies, contribute your perspective, and help shape better outcomes through technical excellence, innovation, and integrity.

Build on your experience while helping shape what comes next. At Mott MacDonald, you'll work alongside talented people on complex and rewarding projects that make a real difference. We value fresh perspectives, encourage collaboration, and provide opportunities to expand your skills, take on new challenges, and grow your career. Whether you're deepening your technical expertise, broadening your leadership experience, or exploring new opportunities across our business, you'll be supported by a team that is committed to helping you succeed. 

Our Philadelphia office is seeking a Project Manager with experience in Water / Wastewater design. Our Philadelphia office supports a broad spectrum of public and private clients. In this position, you will work alongside other professional engineers on water, wastewater, and/or green stormwater projects in the Pennsylvania, Maryland, Washington DC, and Virginia areas. We are looking for people who can function as role models and ambassadors for Mott MacDonald, articulating and representing the brand, vision, and value proposition internally and externally.

Our team supports some of the most ambitious infrastructure projects in North America, including:

• PWD Northern Liberties Flood Relief Project (NLFRP) – Multi-phase flood relief program for the Northern Liberties neighborhood, involving design and construction of ~5,000 feet of varied-size concrete box sewer (up to 11’x12’), equalization/junction chambers, and control structures to regulate dry and wet weather flows.
• PAWC Lake Scranton Transmission Main Rehabilitation - Evaluation and rehabilitation of a leaking 48-inch transmission main within a 4,300-foot mountain tunnel. Recommended and delivered sliplining with a 42-inch HDPE pipe, restoring reliable service, reducing operational risk, and minimizing community and environmental impacts.

Responsibilities of the position will include but not be limited to the following:

• Manage and execute a combination of water, wastewater, and green stormwater infrastructure projects. Projects will include a variety of planning, design, and construction phase work.
• Manage multidisciplinary design teams of planning and/or design engineering projects, supervising and coordinating several assignments simultaneously
• Establish and periodically review scope, schedule and budgets for projects and review progress against a baseline
• Manage multidisciplinary teams, maintain client relationships, and deliver high-quality, cost-effective solutions for complex infrastructure projects

We invite applications from candidates with the following experience:

• B.S. degree in civil, environmental, chemical, or mechanical engineering is required
• M.S. degree in civil or environmental engineering a plus
• 8+ years of progressive experience in water, wastewater, and/or stormwater-related projects
• PE or ability to obtain within one year in the Commonwealth of Pennsylvania is required
• A successful candidate will be a self-starter with ability to lead and manage people and projects
• Strong written and verbal communications skills with demonstrated ability to conduct effective presentations and prepare written reports and documents
• Strong technical skills and technical leadership experience, preferably in water or wastewater linear infrastructure, AutoCAD Civil3D, and green stormwater design
• At least one year managing projects, including management of project budgets, schedules, staff, and client interface

Bring your expertise, curiosity, and drive to make a difference. If you are ready to join a collaborative consultancy where your perspective is valued, your growth is supported, and you are empowered to lead with integrity, we would love to hear from you. 

Benefits & Rewards 

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

In addition to base salary, Mott MacDonald offers performance-based bonuses and a comprehensive benefits package, giving employees a direct connection to our success.

Our comprehensive benefits package is designed to support the health, wellbeing, financial security, and professional growth of our employees. Eligible employees have access to medical, dental, and vision coverage, FSA and HSA accounts, company-paid life insurance, short-term and long-term disability coverage, and a competitive 401(k) plan with company matching. We also provide paid time off, paid holidays, caregiver leave, employee referral bonuses, professional registration and membership reimbursements, and tuition assistance to support continued learning and career development.

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 clients, 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.

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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.