Water Treatment Process Engineer

Gannett Fleming; Marlton (NJ); Hybrid; USD 80,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model

Wellness programs

Parental leave

Pet insurance

401(k)

Tuition reimbursement

Professional development

Incentive pay

Job summary

GFT is seeking a Water Treatment Process Engineer to join our Water team in a hybrid role with regular office attendance. You will lead and support design of potable water treatment facilities, assess existing processes, and drive improvements from planning through commissioning.

We value experience in water treatment chemistry, regulatory coordination, and project execution across multiple delivery phases. Occasional travel to sites is required.

Qualifications

• BS in Civil, Environmental, Chemical Engineering (MS is preferred).
• Professional Engineer Licensed required (PE) or the ability to obtain in 6-12 months.
• 4+ years of experience in water treatment, especially planning and/or process evaluation for potable water facilities.
• Knowledge of standard engineering techniques and procedures.
• Strong understanding of water treatment chemistry and processes such as oxidation, coagulation, clarification, filtration, disinfection, adsorption, and pH adjustment.
• Experience in project planning and execution across phases: plan, design, procure, construct, commissioning.
• Occasional travel for meetings, field work, and site inspections.

Responsibilities

• System Design: Lead and support evaluation of potable water treatment, including intakes, coagulation, filtration, disinfection, PFAS treatment, and residuals handling.
• Process Optimization: Analyze water quality, facility data, and operating data to improve performance and provide recommendations.
• Studies and Evaluation: Plan and execute bench, pilot, and full-scale studies; develop process recommendations and reports.

Skills

Water treatment processes

Process design

Process optimization

Regulatory permitting

Project execution

Education

BS in Civil, Environmental, Chemical Engineering

Job description

life insurance, parental leave, tuition reimbursement, 401(k)

United States, New Jersey, Marlton

Sep 29, 2026

What You Will Do:

GFT is seeking a Water Treatment Process Engineer tojoin our Water team! This role follows a hybrid work model, requiring regular attendance at one of our many offices.

Joining the water engineering team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in, advanced water and wastewater treatment, stormwater management, and conveyance, collection, and transmission. With a focus on integrating technology, sustainability, and compliance, we consider each project a chance to innovate and evolve to protect public health and enhance quality of life. Explore some of our signature water resources and environmental projects here.

What you'll be challenged to do:

In this role you will lead and supportdesign of water treatment through evaluation of existing processes and facilities; treatment assessments; design of improvements, expansions, and new facilities; permitting; and construction administration. Responsibilities will include conducting site visits, completing treatment studies and developing treatment process recommendations, preparing reports and design documents, and supporting permitting efforts.

In this capacity, the successful candidate will be responsible for the following:

• System Design: Lead and support the planning and process evaluation of potable water treatment processes, including intakes and raw water pump stations, coagulation, flocculation, sedimentation, disinfection, filtration, iron and manganese removal, PFAS treatment, chemical systems, and process wastewater and residuals handling.
• Process Optimization: Conduct site visits and investigations; analyze water quality, facility design, and operating data to assess treatment performance; and provide recommendations for treatment and process improvements.
• Studies and Evaluation: Plan and execute bench, pilot, and full-scale studies to meet project goals; assess test results and facility operating data to develop process recommendations; and preparation of required reports.

Education | Experience:

What you will bring to our firm:

• BS in Civil, Environmental, Chemical Engineering (MS is preferred)

• Professional Engineer Licensed required (PE) or the ability to obtain in 6-12 months
• 4+ years of experience required in water treatment discipline, particularly as a water engineer involved with planning and/or process evaluation for potable water treatment facilities

• Knowledge of standard engineering techniques and procedures.

• A strong understanding of water treatment chemistry and processes such as oxidation, coagulation, clarification, filtration, disinfection, adsorption, and pH adjustment. In addition, experience in hydraulics, chemical feed systems, and water treatment technology is necessary.
• Experience in the planning and execution of projects: including project approach and resource needs, options analysis, process and equipment design, and engineering document development through the project delivery phases of plan, design, procure, construct, and commissioning.
• The role will require occasional travel for meetings, field work, site investigation and inspection

What we prefer:

• Experience working directly with Environmental Regulators (i,e. NJDEP, PADEP, MDE, NYDOH etc).

Compensation:

The salary range for this role is $80,000 - $180,000. Salary is dependent upon experience and geographic location.

Featured Benefits:

• Hybrid (in-person and remote) work environment.
• Comprehensive benefits package including wellness programs, parental leave, and pet insurance, in addition to medical, dental, vision, disability, and life insurance.
• Tax-deferred 401(k) savings plan.
• Competitive paid-time-off (PTO) accrual.
• Tuition reimbursement for continued education.
• Commitment to professional development, access to internal and external training programs, and support of active participation in professional organizations.
• Incentive compensation for eligible positions.

Company Overview:

At GFT, a privately held AEC firm, we innovate where transportation, water, power, and buildings converge. We call this the Infrastructure of Life. We measure our success by the strength of our relationships - that's why we're the employer of choice for 5,000+ of the industry's brightest engineers, planners, architects, inspectors, designers, and more.

Our clients choose us for our expertise and prefer us for our nimble approach, creativity, and personal touch. Backed by over a century's experience, together we're building a lasting legacy for future generations: stronger communities, a healthier planet, and better lives.
GFT: Ingenuity That Shapes Lives is an Equal Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veterans' status or other characteristics protected by law.

Unsolicited resumes from third party agencies will be considered the property GFT.

GFT does require the successful completion of a criminal background check for all advertised positions.

Location: Marlton, NJ; East Brunswick, NJ; New York, NY; Woodbury, NY
Core Business Hours: 8:00 AM - 5:00 PM
Employment Status: Full-Time

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