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Water Wastewater Process Engineer Jobs in Texas (NOW HIRING)

Black & Veatch

Sr Wastewater Process Engineer

Fort Worth, TX · On-site

$99K - $128K/yr

Function in a lead wastewater process engineer role as a technical specialist in the areas of ... Our Team of over 200 process engineers support water, industrial, next generation agriculture, LNG ...

Black & Veatch

Sr Wastewater Process Engineer

Dallas, TX · On-site

$102K - $133K/yr

Function in a lead wastewater process engineer role as a technical specialist in the areas of ... Our Team of over 200 process engineers support water, industrial, next generation agriculture, LNG ...

Garver

Process Engineer

College Station, TX · On-site

$93K - $132K/yr

Support of water and wastewater process evaluation, selection, and implementation * Hydraulic ... Licensed Professional Engineer (PE) * 5+ years of related direct design experience Bonus points if ...

Garver

Process Engineer

College Station, TX · On-site

Support of water and wastewater process evaluation, selection, and implementation * Hydraulic ... Licensed Professional Engineer (PE) * 5+ years of related direct design experience Bonus points if ...

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All JobsWater Wastewater Process Engineer JobsWater Wastewater Process Engineer Jobs in Texas

Water Wastewater Process Engineer information

See Texas salary details

$46.1K

$85.7K

$132.8K

How much do water wastewater process engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for water wastewater process engineer in Texas is $85,729.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,400.00 and $96,000.00 per year, depending on experience, location, and employer.

What does a water wastewater process engineer do?

A Water Wastewater Process Engineer designs, develops, and optimizes processes for treating water and wastewater in municipal or industrial facilities. They ensure that water treatment systems operate efficiently, meet regulatory standards, and protect public health and the environment. Their work often involves evaluating treatment technologies, troubleshooting operational issues, and implementing improvements to reduce costs and enhance performance.

What are the key skills and qualifications needed to thrive as a water wastewater process engineer, and why are they important?

To thrive as a Water Wastewater Process Engineer, you need a solid background in environmental or chemical engineering, with expertise in water and wastewater treatment processes, typically supported by a relevant engineering degree and, often, Professional Engineer (PE) licensure. Familiarity with design software like AutoCAD, process modeling tools, SCADA systems, and regulatory compliance standards is essential. Strong analytical thinking, problem-solving abilities, and effective communication skills help you collaborate with multidisciplinary teams and troubleshoot complex issues. These skills ensure the efficient design, optimization, and operation of treatment systems, safeguarding public health and environmental standards.

What are some common challenges water wastewater process engineers face when managing treatment plant upgrades?

Water Wastewater Process Engineers often encounter challenges such as coordinating with multiple stakeholders, ensuring compliance with evolving environmental regulations, and minimizing plant downtime during upgrades. Managing these projects requires strong communication skills to collaborate with operations staff, contractors, and regulatory agencies. Additionally, engineers must balance technical feasibility with budget constraints and maintain system performance throughout the transition.

What is the difference between Water Wastewater Process Engineer vs Water Treatment Plant Operator?

AspectWater Wastewater Process Engineer
CredentialsBachelor's degree in environmental engineering, chemical engineering, or related field; professional engineering license often preferred
Work EnvironmentDesign, analyze, and optimize water and wastewater treatment processes in engineering firms or industrial settings
Employer & IndustryEngineering consulting firms, municipal agencies, industrial plants
Job FocusProcess design, system optimization, troubleshooting, and compliance with environmental regulations

While Water Wastewater Process Engineers focus on designing and improving treatment systems through technical analysis and engineering principles, Water Treatment Plant Operators handle the day-to-day operation and maintenance of treatment facilities. Engineers typically work in office or lab settings, whereas operators work on-site at treatment plants. Both roles are essential in ensuring safe and compliant water treatment processes, but they differ in responsibilities, qualifications, and work environment.

What are popular job titles related to Water Wastewater Process Engineer jobs in Texas?

For Water Wastewater Process Engineer jobs in Texas, the most frequently searched job titles are:

What job categories do people searching Water Wastewater Process Engineer jobs in Texas look for?

The top searched job categories for Water Wastewater Process Engineer jobs in Texas are:

Water Wastewater Process Engineer jobs near you
Infographic showing various Water Wastewater Process Engineer job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 15% Part Time, 4% Contract, and 2% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $85,729 per year, or $41.2 per hour.

Water/Wastewater Process Engineer III

Merrick & Company

San Antonio, TX • On-site, Remote

Full-time

Medical, Dental, Vision, PTO

Re-posted 5 days ago

Job description

OVERVIEW

Are you ready to lead transformative water infrastructure projects that serve communities and protect vital resources? Merrick is seeking a Water/Wastewater Process Engineer to join our growing Water Group in Colorado, Idaho, or Texas. This is your opportunity to work on innovative water, wastewater, and reuse systems that make a real difference.

Local/regional candidates preferred (hybrid schedule). Remote candidates will be considered if they are willing to travel to client sites and local offices 2x per month.

Why Join Us?

  • Work on cutting-edge water resource projects that shape the future of infrastructure.
  • Collaborate with a passionate team dedicated to community, sustainability, and recreation.
  • Enjoy professional growth in a mid-sized, employee-owned firm that values technical excellence and work-life balance.
  • Be part of a network of 120+ water professionals committed to engineering excellence and stewardship.

WHAT YOU'LL DO
  • Design water and wastewater treatment facilities, including advanced treatment/nutrient removal and reuse, distribution and conveyance, and related infrastructure balance of plant. 
  • Prepare and review design drawings, details, layouts, specifications, cost estimates, studies, reports and work products to include review of designs by others for standard conformance. 
  • Provide construction support and oversight including administration, limited inspection, start-up, commissioning, operations, and maintenance.  Some travel may be required. 
  • Interface with project team including stakeholders, clients, equipment suppliers/vendors, and Local, State, and Federal government agencies.
  • Provide clear written and verbal communications for internal/external project meetings, project presentations, and all deliverables.

REQUIRED QUALIFICATIONS
  • Bachelor’s degree in Civil, Chemical, Mechanical, or Environmental Engineering from an A.B.E.T. Accredited School. 
  • Minimum eight (8) years of experience in design, construction oversight, and operation of water and/or wastewater infrastructure facilities and projects.
  • Must be eligible to work in the United States without sponsorship.
  • P.E. (Professional Engineer) License or the ability to obtain within 6 months of employment.

DESIRED QUALIFICATIONS
  • Master’s degree in Civil, Chemical, Mechanical or Environmental Engineering from an A.B.E.T. Accredited School.
  • Experience with:
    • Hydraulic modeling (PIPE-FLO, WaterCAD, Fathom, other).
    • Wastewater biological modeling (Biowin, GPSx, Sumo, other).
    • Industrial water and wastewater treatment.
    • Design Team and Project management.
    • Alternative delivery methods.

TOTAL REWARDS & EMPLOYEE PROGRAMS
  • Employee Ownership – All eligible U.S. employees participate in our Employee Stock Ownership Plan (ESOP), sharing in the company’s success.
  • Comprehensive Compensation & Benefits – Merrick & Company offers a competitive compensation and benefits package including health insurance, dental and vision coverage, and paid time off (PTO).
  • Robust Referral Program – Earn incentives for referring top talent to join our team.
  • Performance Reviews – Annual reviews to recognize contributions and support career growth.
  • Professional Development – Access to ongoing training and development opportunities to build your skills and advance your career.
  • Employee Recognition – Formal programs to celebrate achievements and outstanding performance.
  • Peer Mentor Program – Get support and guidance through structured mentorship opportunities.
  • And More – Additional programs and benefits designed to support your success and well-being.

ADDITIONAL INFORMATION
  • Apply online only. No e-mail, hard copy or third-party resumes accepted.
  • At Merrick, every resume is carefully reviewed by our team of experienced human recruiters—never by AI. We are committed to a fully human-centered hiring process, ensuring each candidate receives thoughtful, personalized attention at every stage.
  • Merrick is an Equal Opportunity Employer, including disability/vets.
  • Employment with Merrick is contingent upon completion of a pre-employment background check, MVR check, and drug screen.
  • #LI-Hybrid
  • #LI-Remote
Qualifications:
  • Bachelor’s degree in Civil, Chemical, Mechanical, or Environmental Engineering from an A.B.E.T. Accredited School. 
  • Minimum eight (8) years of experience in design, construction oversight, and operation of water and/or wastewater infrastructure facilities and projects.
  • Must be eligible to work in the United States without sponsorship.
  • P.E. (Professional Engineer) License or the ability to obtain within 6 months of employment.
Education:UNAVAILABLEEmployment Type: FULL_TIME

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