Senior Project Engineer V/VI - Water/Wastewater in Saint Louis

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job DescriptionJob DescriptionDescriptionGonzalez 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 Senior Project Engineer (V/VI) - 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. 

The projected range of compensation in Illinois for this job is $100,000+.
Your Primary Responsibilities will include

• Provide technical leadership and strategic oversight for complex water and wastewater projects, including treatment facilities, pump stations, pipelines, and related infrastructure.
• Review, approve, and guide engineering calculations, design drawings, specifications, and technical reports.
• Lead hydraulic modeling, system optimization, and design review to ensure efficient and code-compliant water and wastewater systems.
• Oversee field investigations, site assessments, and construction observation; provide expert guidance to project teams.
• Develop and manage project scopes, budgets, schedules, and proposals; ensure successful delivery of projects.
• Coordinate and mentor multidisciplinary teams; establish design standards and best practices for the organization.
• Serve as a primary point of contact for clients, contractors, regulatory agencies, and stakeholders.
• Drive innovation, process improvements, and technical problem-solving on large or high-profile projects.
• Mentor junior and mid-level engineers; lead technical reviews and ensure adherence to quality control standards.

What you'll need

• Bachelor’s degree in Civil, Environmental, or related engineering field; advanced degree .
• PE registration required; extensive experience leading water/wastewater projects.
• 8–15+ years of experience in design, permitting, and construction support of water/wastewater systems.
• Expert proficiency with hydraulic modeling tools (WaterGEMS, SewerGEMS, InfoWater, SWMM, etc.).
• Advanced knowledge of AutoCAD/Civil 3D; BIM/Revit experience .
• Deep expertise with pump systems, process equipment, site layout, and utility design.
• Exceptional analytical, leadership, project management, and client communication skills.
• Proven ability to lead large project teams, mentor staff, and manage complex, high-profile projects successfully.

Gonzalez Offers Competitive Benefits including:

• 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

Gonzalez 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 , , , , , , status, genetics, protected veteran status, , or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.