Full-Time

Wastewater Treatment Process Engineer

Updated on 9/12/2026

Deadline 5/5/27
Gannett Fleming

Gannett Fleming

51-200 employees

Right-of-way and land services for infrastructure

Compensation Overview

$80k - $180k/yr

+ Incentive compensation

State College, PA, USA + 6 more

More locations: Philadelphia, PA, USA | Audubon, PA, USA | Pittsburgh, PA, USA | Mercer, PA, USA | Allentown, PA, USA | Mechanicsburg, PA, USA

Hybrid

Regular attendance at one of the listed offices is required.

Bachelor's, Master's

Category
Architecture & Civil Engineering (1)
Required Skills
Process Engineering

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Requirements
  • A Bachelor of Science degree in Civil, Environmental, or Chemical Engineering is required.
  • A Professional Engineer license is required, or the ability to obtain one within 6–12 months.
  • At least 4 years of required experience in wastewater treatment, particularly as a wastewater engineer involved with planning or process evaluation of wastewater treatment facilities.
  • Expert knowledge of standard engineering techniques and procedures.
  • Experience and knowledge in preliminary treatment, primary treatment, biological treatment including biological nutrient removal, disinfection, hydraulics, and solids processing and handling.
  • A successful track record leading wastewater process and plant facilities projects and willingness to take on new challenges.
Responsibilities
  • Lead and support the planning and process evaluation of wastewater processes, including biological nutrient removal, sludge handling, and filtration processes.
  • Conduct site visits and investigations; analyze influent wastewater characteristics, facility design, and operating data to assess treatment performance; and provide recommendations for treatment and process improvements.
  • 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 prepare required reports.
  • Function as a technical specialist in conventional and advanced wastewater treatment.
  • Evaluate existing processes and facilities, conduct treatment assessments, design improvements, expansions, and new facilities, support permitting, and provide construction administration.
  • Prepare reports and design documents and support permitting efforts.
  • Use physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bioreactors, sidestream treatment, tertiary filtration, auxiliary wet-weather treatment, and disinfection processes.
Desired Qualifications
  • A Master of Science degree in Civil, Environmental, or Chemical Engineering.
  • EPC project experience, including design and construction of wastewater treatment facilities.
  • Three or more years leading process design of wastewater projects with full responsibility for budget, schedule, contractual obligations, client service, and quality standards.
  • Experience with biological modeling software such as BioWin, GPS-X, and Sumo.
  • Experience working directly with environmental regulators such as NJDEP, PADEP, MDE, and NYDOH.

Gannett Fleming (OPC, Overland, Pacific & Cutler) focuses on land services and right-of-way solutions for infrastructure projects across the United States. It helps public agencies, private developers, and utility companies by providing guidance on federal and state regulations, negotiating property acquisitions, and managing project timelines. The core offerings include project management, property acquisition, and regulatory compliance, delivered through contracts with clients and supported by specialized tools. The company differentiates itself through more than four decades of experience, a broad client base, and a turnkey approach that combines regulatory navigation, land rights negotiation, and project scheduling. The goal is to help clients deliver infrastructure projects smoothly, on schedule, and in compliance with all applicable laws and requirements.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Long Beach, California

Founded

1980

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Simplify Jobs

Simplify's Take

What believers are saying

  • August 2026 TxDOT rail grade separation funding highlights GFT's transportation pipeline.
  • 2026 wins on Prince William Water, Brent Spence, and Interstate 5 deepen account penetration.
  • April 2025 through August 2026 leadership hires signal aggressive expansion into water, data centers, and Canada.

What critics are saying

  • OceanSound-backed integration after August 2024 merger strains culture, systems, and margins through 2026.
  • Four acquisitions in 20 months, including Scalar and Muller, create execution and retention risk.
  • Project concentration in public infrastructure ties results to state funding cycles and delayed awards.

What makes Gannett Fleming unique

  • August 2024 merger with TranSystems created a $1.3 billion national infrastructure platform.
  • April 2025 rebrand to GFT unified seven businesses across transportation, water, power, and facilities.
  • 2026 awards in ACEC, AWWA, and Roads & Bridges validate technical credibility.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Unlimited Paid Time Off

Hybrid Work Options

Wellness Program

Parental Leave

Pet Insurance

Tuition Reimbursement

Professional Development Budget

Growth & Insights

Headcount

6 month growth

-2%

1 year growth

-2%

2 year growth

-2%