Project Engineer, Water/Wastewater
HR Green, Inc.
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 Best 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 issuesSupport 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. 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. #J-18808-Ljbffr HR Green, Inc.
- ...Erosion/sedimentation control and tree protection plans. Engineering cost estimating and analysis. Wastewater flow development and hydraulics analysis.... ...Construction phase engineering services. Prepare project scopes of work and budget estimates. Coordinate with...SuggestedContract workFor contractorsLocal area
- Overview Colliers Engineering & Design is seeking a Project Engineer to join our growing team in San Antonio or Houston, TX! Water and wastewater management presents unique challenges from environmental, health and economic issues, to regulatory concerns. Our water management...SuggestedTemporary workFor contractors
- Weston Solutions, Inc. in Houston, TX seeks a Project Engineer - Municipal Water/Wastewater to support civil and environmental engineering projects, including wastewater infrastructure evaluation, rehabilitation, design, implementation, and optimization of water and wastewater...Suggested
- Metric Geo in Houston, TX, seeks a Project Engineer for its Municipal Water/Wastewater team to lead design and execution of water and wastewater projects. You will perform design calculations, hydraulics analyses, cost estimates, and prepare specifications, while coordinating...Suggested
- Colliers Engineering & Design is looking for a Project Engineer to join their team in Houston or San Antonio, TX. Candidates should have over 4 years... ...civil/environmental engineering, particularly in water and wastewater design. The role will involve advanced engineering...Suggested
- A construction services company is seeking a Project Engineer to assist in managing and coordinating multiple projects in the water and wastewater treatment industry. This role involves updating project schedules and working closely with project teams and stakeholders....Work at office
$130k
Metric Geo is seeking an experienced Project Engineer for its water/wastewater practice in Houston, Texas. This role involves leading and supporting design work on municipal projects, ensuring compliance and sustainability in water management. The ideal candidate will have...Flexible hours$81.55k - $133.82k
Weston Solutions, Inc. is seeking an experienced engineer for activities like technical report writing, project scope preparation, and local field work in Houston, TX. Ideal candidates must have a B.S. or M.S. degree in Engineering and a Texas-Licensed P.E. certification...Local area- A leading engineering firm is seeking a Water/Wastewater Municipal Engineer for its Houston office. This full-time role involves preparing crucial construction... ...specifications for water and wastewater treatment projects. The ideal candidate will have a Bachelor's degree, a...Full timeWork at office
- HR Green, Inc. is seeking a dedicated engineer to join its Wastewater team in Houston, Texas. The ideal candidate will lead diverse projects across the engineering lifecycle, helping to ensure reliable water and wastewater services for the community. Responsibilities include...
$130k
...Project Engineer – Municipal Water / Wastewater A leading employee-owned engineering and environmental consultancy is seeking a Project Engineer to join its growing water and wastewater practice. The organisation delivers multidisciplinary infrastructure solutions across...Contract workFor contractorsWork at officeLocal areaFlexible hours$95k - $155k
...and Caldwell is seeking a Senior Civil Engineer to join their team in Houston, Texas. The... ...and designing civil engineering projects, ensuring regulatory compliance, and mentoring... ...civil engineering, preferably in the water/wastewater sector, and possess strong team management...Remote work- Cambrian Innovation in Houston, Texas, is seeking a Project Engineer to support dynamic projects in sustainable resource management. The... ...candidate will collaborate with the Project Manager to engineer wastewater-to-energy plants, ensuring timely and budget-friendly...
- Aquatech is seeking a Project Engineer in Houston to drive engineering and project coordination for water-treatment initiatives. You will review specifications, prepare documents, and lead design coordination with internal teams and vendors. The ideal candidate holds a...Work at officeMonday to Friday
- ...s Houston, Texas (TX) office is seeking a Civil Engineer with 4+ years of experience to join their Water/Wastewater and Utilities team! This is not a remote position... ...plant rehabilitation and expansions Managing project tasks, project design and permitting, construction...For contractorsWork at officeFlexible hours
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- Tetra Tech is seeking a Mid-Level Water/Wastewater Treatment Engineer to join our Houston team. The role involves managing water/wastewater projects and leading engineering teams in designing effective solutions. The ideal candidate will possess a Bachelor’s Degree in...
$10k
Join to apply for the Engineer III EIT, Water/Wastewater role at Lockwood, Andrews & Newnam, Inc. (LAN) Continue with Google Continue with Google Join... ...wastewater treatment facility and collections systems projects, ranging from studies and rehabilitation to green-field...Full timeInternship$70k - $95k
...are currently searching for a Structural Engineer to join our team in either Houston,... ...will support and drive the development of projects, interact with clients, and develop... ...a Structural Engineer you will work on water/wastewater structural engineering design and construction...Full timePart timeFor subcontractorInternshipWork at officeFlexible hours- ...Summary Of Responsibilities The Field Engineer responsibilities to help Project Engineer and Project Superintendent with subcontracts, submittal... ...Construction Management. 0-2 years of experience with Water & Wastewater projects Additional Information All your information...For subcontractor
- ...position that assists with the management, coordination, and hands‑on construction of one or multiple projects in the water and wastewater treatment industry. Project Engineers work directly for the Project Manager, Project Superintendent, or Estimators. This may require...For contractorsWork experience placementFor subcontractorInternshipWork at officeHome office
- Engineering for Wastewater / Water / Electrical & Controls Welcome to Quiddity Engineering! Thanks for your interest in learning more about Quiddity... ...a related field. 5+ years of engineering design and/or project management experience in Water / Wastewater. Licensed Professional...Full timeTemporary workLocal area
$86.51k
...Houston team and build your career in the water and wastewater industry alongside industry‑leading... ...and most complex water infrastructure projects, while benefiting from strong... ...Do Under limited supervision, develop engineering designs of basic to moderate complexity...H1bWork at officeLocal area$90.92k - $158.24k
Arcadis is seeking an experienced Electrical Engineer for its Resilience Water team in Houston, Texas. This role involves the planning, design, and delivery of electrical systems for water and wastewater projects. The ideal candidate holds a Bachelor’s degree in Electrical...$90.92k - $158.24k
...delivering sustainable design, engineering, and consultancy solutions... ...shaping the future of resilient water systems—and we’re proactively... ...demands on water and wastewater systems, our Water Business Line... ...and industrial infrastructure projects. Your work will span the full...Full timeTemporary workPart timeImmediate start- HR Green, Inc. in Houston, Texas is seeking an Engineer in Training to join their dynamic team. In this role, you will work on various projects including wastewater treatment plant updates, pump station designs, and collection system monitoring. The ideal candidate will...
- Kimley-Horn's Houston office is looking for a Civil Engineer to join their Water/Wastewater and Utilities team. This role requires 4+ years of engineering... ...responsible for designing water systems and managing projects while collaborating with clients and multidisciplinary...Work at office
- Arcadis is seeking a Structural Engineer in Houston, TX (also Atlanta, GA or Tampa, FL) to design and support water/wastewater projects. You will produce design calculations, reports, permits, and detailed plans, collaborating with clients and multidisciplinary teams. The...
$70k - $95k
...company delivering sustainable design, engineering, and consultancy solutions for natural... ...support and drive the development of projects, interact, and work with clients, and... ...Structural Engineer you will work on water/ wastewater structural engineering design and construction...Full timePart timeFor subcontractorInternshipWork at officeFlexible hours- A leading civil engineering firm in Houston is seeking an experienced engineer to work on water and wastewater treatment projects. Ideal candidates possess a Bachelor's degree in civil or environmental engineering, with 5-10 years of experience. Responsibilities include...Relocation package
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