Trilon Group

Infrastructure consulting for transportation and water

Wastewater Treatment Project Manager

Construction Management +1Updated on Nov 13

Full-timeNew Haven, CT, USANo salary listed

About the Job

Requirements

Bachelor’s degree in Civil, Environmental, or a related Engineering field.
Professional Engineer (PE) license.
At least 8 years of experience in wastewater treatment design and process engineering.
Strong expertise in municipal wastewater treatment and nutrient removal.
Proven experience managing projects and delivering them on time and within budget.
Proficiency with Microsoft Office and AutoCAD.
Ability to travel approximately 5–10% throughout New England.

Responsibilities

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, membrane bioreactors (MBR), sequencing batch reactors (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, requests for information (RFIs), field inspections, and startup/commissioning.
Mentor junior engineers and contribute to team development.
Build and maintain client relationships while supporting business development efforts.

Desired Qualifications

Experience with process modeling tools such as BioWin or GPS-X.
Experience with funding programs such as the State Revolving Fund (SRF) and USDA Rural Development.

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.

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

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.

About the Company

Trilon Group

Infrastructure consulting for transportation and water

Trilon Group provides infrastructure consulting in transportation, water, and municipal systems in the Mid-Atlantic region. It works by partnering with local governments, municipalities, and private clients to deliver planning, design support, and project management through fee-based engagements, expanding capabilities through alliances with firms like Rinker Design Associates and Wilson Engineers. The company differentiates itself with a platform-style growth approach backed by private equity and a People First culture focused on talent development. Its goal is to expand service offerings and market presence in the Mid-Atlantic by building scalable partnerships and using capital to support growth.

Company size: 51-200
Company stage: Growth Equity (Non-Venture Capital)
Total funding: $200M
Headquarters: Denver, CO
Founded: 2021

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