Senior Project Engineer V​/VI - Water​/Wastewater

Join to apply for the Senior Project Engineer V/VI - Water/Wastewater role at Gonzalez Companies, LLC
. Department: Transportation Location: Belleville, IL Seniority Level: Mid-Senior level Employment Type: Full-time Project compensation range in Illinois: $100,000+. Responsibilities

• 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.

• Bachelor’s degree in Civil, Environmental, or related engineering field; advanced degree preferred.
• 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 (Water
  
  GEMS, Sewer
  
  GEMS, Info Water, SWMM, etc.).
• Advanced knowledge of AutoCAD/Civil 3D; BIM/Revit experience preferred.
• 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.

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

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. 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.