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Water/Wastewater Treatment Senior Project Manager

Freese & Nichols
full-time
Oklahoma City, Oklahoma | Tulsa, Oklahoma | Rogers, AR | Overland Park, KS
Posted 10/22/2026

Job Description

Freese and Nichols is making a long-term, strategic investment in our Central Plains Division, and our treatment practice is a major focus area. We are seeking a Treatment Senior Project Manager to help lead and shape the future of one of the fastest-growing and most technically exciting markets in the country for water and wastewater treatment.  

As the Treatment Senior Project Manager, you will guide the growth, performance, and culture of our  treatment group while helping advance Freese and Nichols’ national treatment practice. 

We are open to high-potential leaders who may not have held a formal manager title but demonstrate the right leadership DNA, technical capabilities, integrity, and desire to grow into a broader role 

 

Why This Role Matters 

• Central Plains is booming: Rapid population growth is driving some of the nation’s largest and most complex treatment projects. 

• High career visibility: This role interfaces directly with division, treatment practice, and national technical leadership. 

• National impact: Beyond this area, you’ll serve as a subject matter expert supporting projects and teams across the country. 

 

Key Responsibilities 

• The Treatment Senior Project Manager will oversee the analysis, design, construction administration, and preparation of technical reports, plans, and specifications for various water/wastewater treatment, reuse and resource recovery facility projects.  

• The individual must have proven skills in managing complex, multi-discipline treatment plant projects and teams. Experience with projects in the $1M+ fee range is a plus. 

• Must have a mix of technical experience including but not limited to water and wastewater process design, an understanding of treatment plant civil/structural/mechanical/electrical design, treatment process studies, and construction contract administration and management. 

• Must have a demonstrated ability to work in a team as well as independently. 

• Must have a proven ability to build and maintain trusted advisor relationships with clients, both internal and external, as well as representatives of local, state and federal regulatory and resource agencies. 

Qualifications

• Bachelor's degree in Civil Engineering with an emphasis on Environmental Engineering is required. 

• Master’s degree in Environmental Engineering is desired. 

• 10+ years of related water and wastewater treatment experience with emphasis on plant process evaluation, design and construction 

• Strong communication skills, written and verbal, and strong presentation and sales skills needed. 

• Oklahoma, Kansas, or Arkansas Professional Engineer (PE) license (or the ability to become licensed within 6 months.) 

About Freese and Nichols

At the heart of our culture is our LEADS values (Learn continuously, Engage as family, Act with integrity, Deliver quality, and Serve always).  Each year, our employee engagement survey confirms that our leaders and our employees live our values.

We strive to be the firm of choice for clients and employees through innovative approaches, practical results, and outstanding service.  For more than 130 years, we have been planning and designing the infrastructure our communities need:  developing water supplies, designing roadways and bridges, preparing for natural disasters, and much more.

Besides our comprehensive benefits package (see more at Benefits That Work for You), we offer paid overtime for salaried employees, an annual bonus, and access to company cabins in Red River, New Mexico and Banner Elk, North Carolina.  We are proud of our flexible work environment which includes a hybrid schedule with up to 40% of remote work, and an alternative work schedule program which provides a day off every other Friday.

Join our team of 1,300+ employees as we grow from Virginia to Colorado. Learn more about working here at Working at Freese and Nichols.

Freese and Nichols is firmly committed to Equal Employment Opportunity (EEO) and prohibits employment discrimination for employees and applicants based upon race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.

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About the job

Job Type

full-time

Location

Oklahoma City, Oklahoma | Tulsa, Oklahoma | Rogers, AR | Overland Park, KS

Categories

Water / EnvironmentalProject Management

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