Hiring.Camp

Senior Water/Wastewater Treatment Project Manager

Freese and Nichols is

·

Feb 3, 2026

Location
San Antonio, TX, United States of America · Harlingen, Texas · Corpus Christi, Texas
Type
Full-time
Department
Management
Seniority
Senior
Education
Bachelor
Source
Workday

Description

Freese and Nichols is currently searching for a Water and Wastewater Treatment Engineer to serve as a Project Manager in our San Antonio, Corpus Christi, or Harlingen, TX offices.  As a project manager, you’ll guide multidisciplinary teams through the planning and delivery of large, complex, and essential systems.

Primary Responsibilities:

  • Lead and oversee the analysis, design, construction administration, and preparation of technical reports, plans, and specifications for various water treatment, wastewater treatment, reuse, and resource recovery facility projects. 
  • Lead and mentor a team of engineers and designers across multiple offices and disciplines
  • Work as a seller/doer, remaining highly client facing and involved in project delivery
  • Coordinate scope, schedule, and budget to ensure high-quality, on-time project delivery
  • Serve as primary client contact, maintaining communication, trust, and long-term relationships
  • Collaborate with subject matter experts on advanced technologies such as MBR, EBPR, RO, and desalination
  • Support proposal development and participate in business development with existing and prospective clients
  • 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 agencies.
  • The individual must have proven skills in managing complex projects, 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.

Qualifications

  • Bachelor's degree in Civil, Mechanical, or Environmental Engineering or related field 
  • Texas Professional Engineer (PE) license (or the ability to become licensed in Texas within 6 months.)
  • 15+ years of related water and wastewater treatment experience with emphasis on plant process evaluation, design, and construction of municipal water or wastewater treatment plants.
  • Strong communication skills, written and verbal, and strong presentation and sales skills needed.

Preferred:

  • Master’s degree in Environmental Engineering

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.

#LI-Hybrid  

Skills

Teams

Similar Jobs

28

Water & Wastewater Treatment Project Manager/Senior Project Manager

Timmons Group·Richmond, VA

1w ago

Senior Water & Wastewater Treatment Lead

WSP·Dartmouth, NS

2w ago

Senior Project Manager, Water/Wastewater Treatment Systems

Salas O'Brien·Remote +1·Remote

4w ago

Senior Process Engineer - Water/Wastewater Treatment

AECOM·Winnipeg, MB·Hybrid

1mo ago

Senior Treatment Process Project Manager - Water/Wastewater

King Engineering Associates·Buford, GA

1mo ago

Senior Engineer, Municipal Wastewater and Water Treatment

Slihrms·CA.ON.Toronto.191 The West Mall, Canada

1mo ago

Senior Project Manager - Water/Wastewater Treatment

Default·Fairfax, VA·Hybrid

1mo ago

Senior Project Manager, Water/Wastewater Treatment

Stantec·Washington, DC·Hybrid

2mo ago

Senior Project Manager (Water / Wastewater Treatment)

GHD·COLUMBIA, SC

2mo ago

Senior Water/Wastewater Treatment Process Engineer

Gannett Fleming·Toronto, ON +2·Hybrid

2mo ago

Water / Wastewater Senior Project Engineer – Pipelines, Pump Stations & Treatment

Default·Denver, CO

2mo ago

Senior Project Manager - Water/Wastewater Treatment

Default·Richmond, VA·Hybrid

2mo ago

Senior Project Engineer- Water/Wastewater Treatment

GHD·PHOENIX, AZ

2mo ago

Senior Treatment Process Project Manager - Water/Wastewater

King Engineering Associates·Nashville, TN

3mo ago

Senior Project Engineer - Civil (Water/Wastewater Treatment)

Martinmartin Inc·Lakewood, CO

5mo ago

Senior Project Manager, Water/Wastewater Treatment

Stantec·Toronto, ON·Hybrid

5mo ago

Senior Engineer - Water and Wastewater Treatment

GHD·MELBOURNE, VICTORIA

6mo ago

Water Wastewater Senior Project Manager - Treatment

AECOM·Virginia Beach, VA·Hybrid

6mo ago

Senior Water/Wastewater Treatment Engineer

Freese and Nichols is·Raleigh, NC +4·Remote, Hybrid

8mo ago

Senior Water/Wastewater Treatment Project Manager

Freese and Nichols is·Fort Worth, TX +2·Remote, Hybrid

8mo ago

Senior Water/Wastewater Treatment Engineer

King Engineering Associates·Phoenix, AZ +1·Remote

8mo ago

Senior Water/Wastewater Treatment Engineer

King Engineering Associates·North Charleston, SC·Remote

8mo ago

Senior Water/Wastewater Treatment Professional Engineer - #2853.36

Wade Trim·Dallas, TX +3·Hybrid

8mo ago

Water / Wastewater Treatment Maintenance Senior Operative (Mechanical)

Uisce \u00C9ireann·Dublin 1, IE

8mo ago

Water/Wastewater Treatment Maintenance Senior Operative (Electrical) - Dublin

Uisce \u00C9ireann·Dublin 1, IE

8mo ago

Senior Water & Wastewater Treatment Engineer

DOWL Brand·Reno, NV

9mo ago

Senior Project Engineer- Water/Wastewater Treatment

GHD·PHOENIX, AZ

1y+ ago

Water/Wastewater Treatment Plant Facilities Design Engineering - Sr Project Manager / Project Manager

"BGE, Inc."·Austin, TX

1y+ ago
Senior Water/Wastewater Treatment Project Manager at Freese and Nichols is | Hiring.Camp