Project Engineer I/II - Water/Wastewater

Description

Gonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. We are currently seeking a Project Engineer (I/II) - Water/Wastewater to help serve our connection of clients and community. If you’re hungry for knowledge, ready to make a difference and dedicated to providing personalized attention to our clients, we want you on our team.

Your Future Starts With A Plan

• Grow Your Career with Blueprint
• This role includes a seat in Blueprint, our new early career leadership program for engineers looking to grow beyond the typical entry-level experience.
• Over six months, participants take part in a hands-on curriculum covering professional development, business acumen, and project delivery - including case studies, simulations, and role-play exercises.
• The program covers topics like project economics, communication, and leadership fundamentals, and concludes with an in-person capstone event where participants present their work and outline goals for the year ahead.

Primary Responsibilities

• Aid in the planning, design, and analysis of water and wastewater treatment facilities, pump stations, pipelines, and related infrastructure.
• Prepare engineering calculations, technical reports, design drawings, and specifications under guidance from senior engineers.
• Perform hydraulic modeling for water distribution and sewer collection systems.
• Conduct field investigations, site assessments, and occasional construction observation.
• Support project scopes, cost estimates, schedules, and proposals.
• Coverage of project design elements through coordination with multidisciplinary teams.
• Review design standards, regulatory requirements, and permitting needs.
• Participation in client and internal project meetings; communication of technical information clearly.
• Support quality control processes and ensure adherence to company and industry standards.

Requirements

• Bachelor’s degree in Civil, Environmental, or related engineering field.
• EI/EIT certification required or ability to obtain within 12 months; PE track preferred.
• 0–4 years of experience in water/wastewater design, permitting, or construction support.
• Familiarity with hydraulic modeling tools (WaterGEMS, SewerGEMS, InfoWater, SWMM, etc.).
• Proficiency with AutoCAD or Civil 3D; experience with BIM/Revit is a plus.
• Basic understanding of pump systems, process equipment, and utility design.
• Strong analytical, organizational, and communication skills.
• Ability to work collaboratively in a team environment and manage multiple tasks.

What You'll Need

• Bachelor’s degree in Civil, Environmental, or related engineering field.
• EI/EIT certification required or ability to obtain within 12 months; PE track preferred.
• 0–4 years of experience in water/wastewater design, permitting, or construction support.
• Familiarity with hydraulic modeling tools (WaterGEMS, SewerGEMS, InfoWater, SWMM, etc.).
• Proficiency with AutoCAD or Civil 3D; experience with BIM/Revit is a plus.
• Basic understanding of pump systems, process equipment, and utility design.
• Strong analytical, organizational, and communication skills.
• Ability to work collaboratively in a team environment and manage multiple tasks.

Benefits

• Competitive salary
• Major medical, dental and vision insurance
• Flexible Spending Account
• Health Savings Account
• 401K
• Bonus program
• Paid holidays and generous paid time off
• Professional development
• A team of creative and talented individuals to work alongside

About the Role

Gonzalez Companies is a rapidly growing, dynamic, professional services firm specializing in civil engineering, construction management, and construction inspection. Our clientele includes large and small water, sewer, and utility districts; departments of transportation and other public transportation agencies; and municipalities throughout the Midwest. Working primarily in the Greater St. Louis, Chicago, and Louisville metro areas, Gonzalez offers a great work environment, generous benefit packages, and opportunities to succeed in many professional disciplines.

Equal Opportunity Employer

Gonzalez Companies, LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Pay & Wage Transparency

The base salary range for this role is indicated in the posting. This range reflects the company's good faith estimate of the compensation for this position at the time of posting. Final compensation will be determined based on factors such as experience, skills, qualifications, internal equity, and geographic location.