Senior Water/Wastewater Engineer

Tetra Tech; Houston (TX); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Benefits package

Merit-based rewards

Work-life balance

Learning & development

Job summary

Tetra Tech in Houston, TX is seeking a Senior Water/Wastewater Engineer to support commercial and industrial projects across Texas. The role blends high‑level project management with technical leadership to deliver robust water and wastewater solutions.

Candidates should hold a PE license, have 10–15 years of relevant experience, and be capable of leading multi‑discipline teams, coordinating with regulators, clients, and vendors to drive successful outcomes.

Qualifications

• Bachelor’s degree in Engineering (Civil, Mechanical, Environmental, Chemical, etc.).
• Professional Engineer (PE) license.
• 10–15 years of experience designing & managing water & wastewater projects in commercial/industrial contexts.
• Knowledge of Texas environmental laws, regulations, and compliance requirements.

Responsibilities

• Attend and potentially lead meetings with clients.
• Lead internal engineering and design teams on multi-discipline projects.
• Review team designs and calculations for water/wastewater.
• Oversee permit applications and interface with regulatory agencies.
• Manage project budgets and schedules.

Skills

Project management

Leadership

Client coordination

Team mentoring

Education

Bachelor’s Degree in Engineering

Job description

The Opportunity

Tetra Tech is adding a Senior Water/Wastewater Engineer to our Engineering team based in Houston, TX.

Why Tetra Tech

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential — join us to advance your career while leaving a lasting legacy.

Position Summary

Tetra Tech is seeking a Senior Water/Wastewater Engineer to join our Texas team to provide support on various engineering projects throughout Texas. This role will be primarily commercial with a focus on industrial clients. This person will be splitting their time between high level project management & technical responsibilities.

Essential Job Functions

The following duties are considered essential to the role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions:

• Attend and potentially lead regularly scheduled meetings with the clients.
• Help bring in Business Development Opportunities.
• Lead internal engineering and design teams on single and multi-disciplined projects.
• Assume role of lead technical engineer as needed.
• Review other members of the team’s design efforts.
• Review calculations prepared by junior and midlevel staff related to water/wastewater.
• Perform periodic quality control reviews.
• Help manage project budget and schedule.
• Oversee the preparation of permit applications to regulatory agencies; occasionally take lead on permit application preparation.
• Interface with vendors, equipment suppliers, contractors, and subcontractors.
• Meet with regulatory agencies.
• Attend bid openings, review bid packages, and make recommendations to clients for the award of contracts.
• Serve as lead person on proposal development for new opportunities.
• Write proposals and Engineering Work Orders (EWOs).
• Interact with commercial/industrial clients to identify needs and develop solutions.

Required Qualifications

• Candidates must have a Bachelor’s Degree in Engineering (Civil, Mechanical, Environmental, Chemical, etc.).
• A Professional Engineering (PE) License.
• 10-15 years of experience with designing & managing water & wastewater projects from a COMMERCIAL / INDUSTRIAL BACKGROUND.
• Knowledge and experience with environmental laws, regulations, compliance practices, and record-keeping requirements of Texas.

Physical Requirements

• Ability to remain in a stationary position for extended periods while performing office and computer-based work.
• Ability to operate a computer and other standard office equipment.
• Ability to communicate effectively with colleagues, clients, contractors, and other project stakeholders.
• Ability to occasionally traverse active construction sites, treatment facilities, and other project locations with uneven or rough terrain.
• Ability to occasionally ascend/descend stairs and ladders, bend, stoop, and navigate confined or restricted work areas as necessary for site observations.
• Ability to occasionally lift and carry equipment, plans, or materials weighing up to 25 pounds.
• Ability to wear required personal protective equipment (PPE) when visiting project or construction sites.
• Ability to travel to client, project, and construction sites as required.

Work Environment / Environmental Factors

This position primarily operates in a professional office environment with regular use of computers, phones, and other standard office equipment.

Life at Tetra Tech

• Comprehensive and market-competitive benefits.
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

About Tetra Tech

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

• Organization: 178 TTS