Process Engineer, PE

Tetra Tech, Inc.; Orlando (FL); Hybrid; USD 85,000 - 110,000; Full time

Benefits offered by this job

Hybrid work schedule

Competitive benefits

Learning and development opportunities

Job summary

Tetra Tech is seeking a Process Engineer with hands-on water and wastewater treatment process design experience to support municipal and utility projects across Florida and beyond. You will contribute to treatment plant upgrades, PFAS removal, and emerging contaminant solutions while upholding regulatory standards and client expectations.

The ideal candidate has a PE, a Civil/Environmental/Chemical engineering degree, and 3+ years in design, modeling, and field support.

Qualifications

• Bachelor’s degree in Civil/Environmental/Chemical Engineering.
• Registered Professional Engineer (PE).
• 3+ years of water or wastewater process design experience.
• Experience with design calculations, process schematics, sizing, and reports.
• Familiarity with drinking water and wastewater regulations.
• Strong teamwork and communication; ability to manage multiple projects.
• Valid driver's license.

Responsibilities

• Support process design of water and wastewater facilities (coagulation/filtration, biological treatment, disinfection, residuals, advanced treatment).
• Prepare and review calculations, memos, PFDs, hydraulic profiles, design criteria, equipment sizing, reports.
• Contribute to construction drawings and specs with multidiscipline teams.
• Perform process modeling and data-driven evaluation.
• Participate in pilot studies, field investigations, facility assessments, startup/testing support.
• Coordinate with PMs, leads, and clients to ensure alignment and timely milestones.
• Quality review of deliverables per Tetra Tech standards.
• Support proposal development and LOE estimates for new work.
• Mentor early-career staff.

Skills

Communication skills

Team collaboration

Project management

Education

Bachelor's degree in Civil/Environmental/Chemical Engineering

Job description

The Opportunity

Tetra Tech is seeking a Process Engineer (PE) with hands‑on experience in water and wastewater treatment process design to support high‑impact municipal and utility projects across Florida and beyond. From treatment plant upgrades to emerging contaminant solutions, you'll contribute to the work that protects public health and strengthens community resilience.

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

The Process Engineer plays a key technical role in the planning, evaluation, and design of water and wastewater treatment facilities. This position supports process modeling, treatment optimization, equipment selection, pilot testing, and development of detailed design documents. Working alongside multidisciplinary engineers and project managers, the Process Engineer ensures high‑quality, cost‑effective solutions that meet regulatory requirements, operational needs, and client expectations. The ideal candidate brings strong technical fundamentals, curiosity, and the desire to grow into a future technical leader within our Water practice.

Essential Job Functions

• Supports the process design of water and wastewater treatment facilities, including coagulation/filtration, biological treatment, disinfection, residuals handling, advanced treatment, and emerging contaminant removal (e.g., PFAS, GAC, IX).
• Prepares and reviews calculations, technical memoranda, process flow diagrams, hydraulic profiles, design criteria, equipment sizing, and design reports.
• Contributes to the development of construction drawings and specifications in collaboration with civil, mechanical, electrical, and I&C discipline teams.
• Performs process modeling and evaluation using industry‑standard tools and data‑driven methods.
• Participates in pilot studies, field investigations, facility assessments, and startup/testing support.
• Coordinates with project managers, discipline leads, and clients to ensure technical alignment and timely delivery of project milestones.
• Provides quality review of deliverables to maintain Tetra Tech's standards for technical excellence.
• Supports proposal preparation, technical approach development, and level‑of‑effort estimates for new work pursuits.
• Mentors early‑career staff by sharing knowledge, reviewing work, and fostering technical growth.

Required Qualifications

• Bachelor's degree in Civil, Environmental, Chemical, or related Engineering discipline.
• Registered Professional Engineer (PE).
• 3+ years of experience in water or wastewater process design, facility planning, or treatment system evaluation.
• Experience developing design calculations, process schematics, equipment sizing, and technical reports.
• Familiarity with regulatory requirements related to drinking water and/or wastewater treatment.
• Ability to work collaboratively with multidisciplinary teams and manage priorities across multiple projects.
• Strong written and verbal communication skills.
• Valid driver's license and clean driving record.

Physical Requirements

• While performing the duties of this position, the employee may be required to:
• Sit, stand, and use standard office equipment for extended periods.
• Lift and carry up to 25 pounds occasionally.
• Walk on uneven terrain and navigate active construction sites safely.

Work Environment/Environment Factors

• This position primarily operates in an office setting with hybrid flexibility.
• Occasional travel to project sites, client meetings, or field locations may be required.
• Site visits may involve exposure to outdoor weather conditions, construction sites, and active infrastructure environments.

Additional Information

This position offers a hybrid work schedule with flexibility to balance office collaboration and remote work.

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, sexual orientation, gender identity, 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.

Additional Information

• Organization: 200 IEW