Water/Wastewater Engineer

gpac; Tulsa (OK); Hybrid; USD 85,000 - 120,000; Full time

Benefits offered by this job

Hybrid work

Competitive base salary

401(k) with company match

Medical, dental, vision

Job summary

gpac is seeking a Water/Wastewater Engineer to lead design of treatment plants, pipelines, and pump stations for municipalities. You will drive technical execution and client liaison.

You will partner with senior leaders, pursue growth opportunities, and advance from engineer to project manager and technical lead within a hybrid work model.

Qualifications

• Minimum B.S. in Civil or Environmental Engineering required.
• 2–10+ years in water/wastewater engineering or related utility infrastructure.
• EIT or PE certification, or on track to obtain.

Responsibilities

• Lead full lifecycle of water and wastewater projects including plants and pumping stations.
• Perform hydraulic modeling, calculations, and produce plans and reports.
• Collaborate with civil, environmental, and planning teams on integrated solutions.
• Interface with municipalities and regulators to manage permitting and compliance.
• Own project budgets and schedules, and contribute to proposals for new work.

Skills

Communication

Collaboration

Leadership

Problem-solving

Education

B.S. in Civil or Environmental Engineering

Tools

AutoCAD Civil 3D

GIS

WaterGEMS/SewerGEMS/InfoWorks

Job description

Are you ready to design the pipelines, treatment plants, and pump stations that keep cities thriving? We're a fast-growing, multi-disciplinary consulting powerhouse that turns bold ideas into real-world infrastructure. We need a passionate Water/Wastewater Engineer who wants to lead, innovate, and grow alongside industry veterans.

Why This Role Is Different

• Immediate Impact: Your designs will directly serve municipalities and improve public health.
• Leadership from Day One: Work side-by-side with senior partners, present to city officials, and own project outcomes.
• Clear Growth Path: From Engineer → Project Manager → Technical Lead → Partner - we map it out with you.
• Mentorship + Visibility: One-on-one coaching, regular strategy sessions with executives, and a seat at the table for every major decision.
• Flexibility & Culture: Hybrid work, flexible hours, and a team that values results over clock-in times.

What You'll Do

• Design & Deliver: Lead the full lifecycle of water and wastewater projects-treatment plants, pump stations, pipelines, distribution and collection systems.
• Technical Excellence: Run hydraulic modeling, perform rigorous calculations, and produce flawless plans, specs, and reports.
• Cross-Disciplinary Collaboration: Partner with civil, environmental, and planning teams to create integrated solutions.
• Client & Regulatory Liaison: Interface with municipalities, regulators, and stakeholders; manage permitting and compliance.
• Project Ownership (Level-Dependent): Set budgets, track schedules, and drive project success from concept to completion.
• Business Development: Contribute ideas and content for proposals that win new work and expand our market presence.

Who You Are

• Education: B.S. in Civil or Environmental Engineering.
• Credentials: EIT or PE (or on track to obtain).
• Experience: 2-10+ years in water/wastewater engineering-treatment design, hydraulic modeling, or utility infrastructure.
• Tech Skills: AutoCAD Civil 3D, GIS, WaterGEMS/SewerGEMS/InfoWorks, and other modeling tools.
• Soft Skills: Exceptional communicator, collaborator, and problem-solver with a drive to lead.

What We Offer

Growth & LeadershipFlexibility & CultureCompensation & Benefits - Direct mentorship from senior engineers and partners

• Structured path to Project Manager, Technical Lead, and Partnership
• Regular exposure to C-suite decision-makers - Hybrid work model + flexible scheduling
• Results-focused environment
• Supportive, inclusive team culture - Competitive base + performance bonuses
• 401(k) with company match + profit sharing
• Equity/Partnership potential for senior hires
• Comprehensive medical, dental, vision, life & disability
• Generous PTO, paid holidays, HSA/FSA options Professional Development Impactful Work Stability & Recognition - Funded CEUs, conferences, and certifications
• Internal "Innovation Lab" for pilot projects - Projects that serve real communities daily
• Opportunities to publish whitepapers and present at industry events - Long-term career security in a growing firm
• Recognition program celebrating technical and leadership achievements

All qualified applicants will receive consideration without regard to race, age, color, sex (including pregnancy), religion, national origin, disability, sexual orientation, gender identity, marital status, military status, genetic information, or any other status protected by applicable laws or regulations.