Creativity. Innovation. A desire to effect positive change. That’s what it takes to work at Fuss & O’Neill – because that’s what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we’ve prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you’ve found your future.
We are seeking a Wastewater Treatment Project Manager who is passionate about delivering high-quality wastewater solutions and leading projects that make a measurable difference. If you’re passionate about advancing wastewater treatment technologies, optimizing plant performance, and delivering impactful infrastructure projects - this is your opportunity to lead meaningful work from concept through commissioning.
In this role, you will collaborate with multidisciplinary teams, engage with clients and regulators, and guide projects from early evaluation and pilot testing through design, construction, and commissioning - helping shape the future of wastewater infrastructure across the communities we serve.
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Manage the full lifecycle of wastewater treatment projects, including new facilities, expansions, and upgrades
- Lead process evaluation and design for primary, secondary, and tertiary systems, including biological nutrient removal (BNR)
- Evaluate and optimize treatment processes such as activated sludge, MBR, SBR, trickling filters, and advanced systems
- Oversee process modeling, mass balance analyses, and capacity evaluations
- Develop solutions for biosolids treatment, including digestion and dewatering
- Manage project budgets, schedules, resources, and deliverables
- Prepare and present technical reports, plans, specifications, and cost estimates
- Support permitting and regulatory compliance
- Provide construction-phase services, including submittal review, RFIs, field inspections, and startup/commissioning
- Mentor junior engineers and contribute to team development
- Build and maintain strong client relationships while supporting business development efforts
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Bachelor’s degree in Civil, Environmental, or related Engineering field
- Professional Engineer (PE) license
- 8+ years of experience in wastewater treatment design and process engineering
- Strong expertise in municipal wastewater treatment and nutrient removal
- Proven experience managing projects, delivering on time and within budget
- Excellent communication, leadership, and organizational skills
- Proficiency with Microsoft Office and AutoCAD required
- Experience with process modeling tools such as BioWin or GPS-X a plus
- Experience with funding programs (SRF, USDA Rural Development) a plus
- Ability to travel approximately 5-10% throughout New England
This is a hybrid role, offering the best of both worlds—collaborate in-office with a high-performing team and enjoy the flexibility of working remotely part of the week. We're committed to supporting work-life balance while maintaining strong team connection and project delivery.
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Schedule Flexibility: Customize your work schedule to fit your life.
- Health & Wellness: Comprehensive health benefits to keep you and your family healthy.
- Continuous Learning: Access to online courses, conferences, and learning materials to fuel your professional growth.
- Paid Time Off: Take the time you need to recharge with our generous paid time off policy.
- Career Advancement: Clear paths for promotions and the opportunity to take on new challenges.
- Fun Team Culture: Regular team-building activities, happy hours, and company outings.
Visa sponsorship is NOT available for this position
All offers are contingent upon a successful criminal background check. Fuss & O'Neill, Inc. is proud to be an Affirmative Action/Equal Opportunity Employer. Fuss & O’Neill participates in the Federal e-Verify program.
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Fuss & O’Neill is a civil and environmental engineering firm that provides client-specific, forward-thinking, and holistic solutions. Since 1924, we have made it our mission to improve the built and natural environments in response to our public and private clients’ evolving needs.
Stage 1: Applied
Stage 2: Initial Screening
Stage 3: 1st Interview
Stage 4: Offer
Stage 5: Hired
