Sr. Project Manager, Water Wastewater
Gannett Fleming
Los Angeles, CA · Posted July 30, 2026
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About the job
GFT is seeking a Senior Project Manager, Water to join our Water / Wastewater Team in Southern California ! This role follows a hybrid work model, requiring regular attendance at one of the following offices: Los Angeles, Irvine, Chino Hills, Ontario, Long Beach, Santa Ana, or San Diego, California.
Joining the water resources team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in dams and levees, advanced water and wastewater treatment, stormwater management, and conveyance, collection, and transmission. With a focus on integrating technology, sustainability, and compliance, we consider each water resources and environmental remediation 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 work closely with our technical experts, project teams, and client service managers to advance our technical services and support business development on a wide variety of wastewater and water resources projects in California.
This position is responsible for providing all aspects of engineering for water/wastewater utility projects for public and municipal utility district clients . In addition to leading a team of engineers and technical professionals, this position will also be actively involved in professional associations and community organizations as GFT continues building.
In this capacity, the successful candidate will be responsible for the following:
Prepare proposals, budgets, and client agreements
Lead and oversee design and technical aspects of the team(s) projects including detailed engineering design and calculations, report writing, permitting, and presentations to clients
Write responses to client RFQs and Solicitations
Develop and maintain professional relationships with clients, public agency officials and community leaders
Coordinate and monitor project tasks, budgets, and schedules
Participate in the development of company design and production standards
Direct and manage the implementation of a project including coordination with project stakeholders, consultants, contractors, and other external and internal parties to achieve project milestones
Oversee and manage construction phases of projects to ensure works are completed in accordance with the contract documents, on time and budget
Participate in professional associations and civic organizations within the community
Support client marketing and business development activities required to procure project assignments, including development of scope, schedule and budget for proposals.
Mentor staff and lead development of other PMs
What you will bring to our firm:
Bachelor of Science degree in civil engineering from an ABET accredited college or university.
Professional Engineer (P.E.) designation in the State of California.
15 or more years' experience managing substantial water and wastewater projects from conception to completion.
Demonstrated strong project management skills.
Successful record of delivering projects on schedule, budget and meeting the client's Ability to provide oversight and guidance of project management fundamentals.
What we prefer you bring:
Strong written and oral communication skills with demonstrated ability to conduct effective presentations and written report preparation.
Knowledge of water treatment, wastewater treatment, recycled water is a plus
Knowledge of local codes, development processes, and utility regulations
Demonstrated ability to manage projects and deliver on time and within budget
Proven ability to develop and maintain professional relationships with clients, public agency officials and community leaders
Proven ability to lead a team of engineers and technical professionals
Actively involved in professional associations and civic organizations
Compensation:
The salary range for this role is $145,000 - $225,000. 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.
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: Southern California Core Business Hours: 8:00 AM – 5:00 PM Employment Status: Full-Time
Applicants in the County of Los Angeles- Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
Applicants in the City of San Francisco- Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Applicants in the State of California -Qualified applications with arrest or conviction records will be considered for employment in accordance with the California Fair Chance Act.