Senior Water & Wastewater Treatment Engineer

About The Role

As a Senior Engineer / Project Manager focused on water and wastewater treatment, you will be responsible for the planning, design, and delivery of treatment facility projects for municipal clients. You will lead multidisciplinary teams, oversee project execution from concept through construction, and serve as a trusted technical advisor to clients. This role balances hands-on technical leadership with project management, business development, and mentorship responsibilities.

Responsibilities

• Serve as Project Manager and/or Technical Lead for water and wastewater treatment facility projects, overseeing scope, schedule, budget, and quality.
• Lead the planning, design, and evaluation of treatment processes and facilities, including new plants, expansions, and rehabilitation projects.
• Develop and review technical deliverables such as engineering reports, feasibility studies, process calculations, plans, specifications, and cost estimates.
• Provide technical leadership in treatment processes such as filtration, disinfection, biological treatment, solids handling, odor control, and residuals management.
• Coordinate with multidisciplinary teams (civil, structural, electrical, mechanical, and I&C) to deliver integrated and constructible treatment solutions.
• Serve as a primary point of contact for clients, supporting ongoing relationships and ensuring successful project outcomes.
• Support project pursuits, including proposal development, scope definition, fee development, and participation in interviews.
• Mentor and develop junior and mid-level engineers, fostering technical excellence and career growth.
• Support quality control and quality assurance processes across treatment projects.

Requirements

• 8+ years of progressive experience in water and/or wastewater treatment engineering, including facility design.
• Professional Engineer (PE) license.
• Master’s degree in Civil, Environmental, Chemical, or a closely related engineering discipline.
• Proven experience managing engineering projects and leading technical teams.
• Strong technical writing, communication, and client-facing skills.

Preferred Qualifications

• Experience managing treatment projects through design and construction.
• Experience with treatment process modeling, permitting, and regulatory coordination.
• Knowledge of municipal water and wastewater standards and best practices.
• Demonstrated ability to balance project management, technical leadership, and mentorship responsibilities.
• Interest in supporting business development and long-term client relationships.

Work Environment

This hybrid position fluctuates between an office environment and a field environment and routinely requires the use of standard office equipment such as computers, phones, cameras, and copy machines. This job will require occasional exposure to work environments that may include inclement weather, heat, humidity, noise, construction hazards, atmospheric conditions, and bodies of water, depending on project requirements.

While performing the duties of this job, physical demands of the employee include frequent sitting, walking, standing, talking, hearing, and occasional balancing, stooping, kneeling, crouching, reaching, handling, grasping, and feeling. This job will require operating a company vehicle, and may include lifting, carrying, pushing, and pulling up to 35 lbs.

Benefits

• Career Growth & Development – Tuition reimbursement program, paid professional training, major license achievement bonus, extensive on-demand learning center, and paid professional memberships.
• Work-Life Alignment – Industry-competitive PTO, seven paid holidays and two floating holidays, flexible work schedules, paid parental leave, and eligibility for hybrid and remote work options for some employees based on role responsibilities.
• Wellness – Medical, dental and vision insurance, employee assistance program, fitness and wellness reimbursement, and HSA and FSA options.
• Life – Employer-paid short-term and long-term disability, employer-paid term life insurance, and retirement 401(k) with company match.
• Community – Quarterly social events, paid group volunteering events, and employee networks and groups.