Project Engineer, Water/Wastewater
HR Green
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Houston, TX · Posted October 11, 2026
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Where Houston, TX ranks
Where Houston, TX placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for manufacturing and industrial jobs887 openings · of 100
- #1Best cities for energy and utilities jobs704 openings · of 27
- #1Cities hosting the most energy & utilities conferences11 conferences · of 15
- #2Cities with the most jobs that do not need a four-year degree in the Southwest481 jobs · of 38
- #2Best cities for software and engineering jobs in the Southwest1,018 openings · of 33
- #2Best all-round cities for mid-career professionals in the Southwest74 / 100 · of 15
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 325 open project engineer listings that state pay, the middle half runs $86,500 to $115,000 and the median is $103,500.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
AI use among civil engineers is little observed so far. Measured exposure for civil engineers: 1% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Join our team! Our mission is BUILDING COMMUNITIES. IMPROVING LIVES. With a history spanning over 110 years, HR Green has consistently delivered on this mission, establishing ourselves as a trusted partner for our colleagues, clients, and communities alike. Each day, we work to find solutions that inspire our employees and fit our clients' needs to build trust to exceed their expectations. As a leading player in the industry, we're proud to be ranked No. 168 on Engineering News Record's Top 500 Design Firms list in 2025. Our unwavering dedication to cultivating an exceptional workplace environment has earned us the distinguished honor of being recognized as a Great Place to Work.
Summary
Ready to put your PE license to work on projects that truly matter? Join HR Green’s Wastewater team in Houston and help deliver critical water and wastewater solutions that communities rely on every day. From modernizing treatment plants to improving water distribution, transmission and wastewater collection systems, your work will directly support safe, reliable, and sustainable services for residents and businesses.
This role is built for a hands-on engineer who enjoys tackling complex municipal challenges, guiding junior staff, and collaborating with a high-performing team. You’ll be involved across the full project lifecycle—planning, design, construction, and leadership—while building expertise and shaping infrastructure that has a lasting community impact.
If you’re looking for a role where your technical skills translate into visible, meaningful results, this is an opportunity worth exploring.
What You’ll Do
Lead and independently complete engineering designs using professional judgment
Support or act as Project Manager; assign tasks, set schedules, and monitor team progress
Perform QA/QC reviews on engineering work and ensure accuracy
Make key design decisions and coordinate impacts across projects
Identify and resolve technical, schedule, and budget issues
Support bidding and contractor selection; respond to contractor questions
Monitor construction and supervise field work
Prepare addenda, recommend change orders, and contribute to proposals (scope, schedule, cost)
Communicate directly with clients on technical matters
Sign and seal engineering documents; serve as technical expert or PM on select projects
What You Bring
Bachelor’s or Master’s in Engineering from an accredited program
Licensed Professional Engineer (PE) or ability to obtain within 6 months
4+ years of engineering/design experience, including water and/or wastewater projects
Strong technical writing, communication, and plan-reading skills
Proficiency with engineering tools, analysis equipment, and software
Solid analytical and problem-solving abilities across routine and complex tasks
Why HR Green
Work on impactful municipal water and wastewater projects serving local communities
Hands-on experience across design, construction, and project leadership
Opportunities to mentor junior engineers and grow into leadership roles
Collaborative team environment focused on delivering reliable, sustainable infrastructure
Meaningful work that directly improves public health and essential service
Benefits
Not only does HR Green provide you with a place to grow, thrive, and enjoy your work, but we are also dedicated to delivering a comprehensive and multi-faceted benefits package. Visit our website for detailed total rewards information.
https://www.hrgreen.com/careers/total-rewards/
HR Green is proud to be an affirmative action/ equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or other classification protected by applicable federal, state or local law.