Trilon Group

Project Engineer III/IV - Water/Wastewater

Trilon Group$80K — $95K *
Energy & Utilities
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Civil, Environmental, or related engineering field.
  • EI/EIT required; PE registration preferred or in progress.
  • 4-8+ years of experience in water/wastewater design, permitting, or construction support.
  • Proficiency with hydraulic modeling tools (WaterGEMS, SewerGEMS, etc.).
  • Strong experience with AutoCAD/Civil 3D; BIM/Revit knowledge preferred.
  • Experience with pump systems, process equipment, site layout, and utility design.
  • Excellent analytical, project management, and problem-solving skills.

Responsibilities

  • Lead design and technical oversight of water/wastewater facilities and infrastructure.
  • Prepare and review engineering calculations, design drawings, and technical reports.
  • Conduct hydraulic modeling and system analysis for optimization.
  • Manage field investigations and provide guidance to junior engineers.
  • Develop project scopes, cost estimates, and schedules.
  • Coordinate multidisciplinary teams for compliant project designs.
  • Review compliance with design standards and regulatory requirements.
  • Serve as a primary contact for clients, contractors, and regulatory agencies.

Benefits

  • 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 with
Full Job Description
Project Engineer III/IV - Water/Wastewater

Department: Water/Wastewater

Employment Type: Full Time

Location: St. Louis, MO

Reporting To: Jeff Shiner

Description

The projected range of compensation in Illinois for this job is $80,000 - $95,000.

Your Primary Responsibilities will include
  • Lead the design, analysis, and technical oversight of water and wastewater treatment facilities, pump stations, pipelines, and related infrastructure.
  • Prepare and review engineering calculations, design drawings, specifications, and technical reports.
  • Conduct hydraulic modeling and system analysis to optimize water distribution and sewer collection networks.
  • Manage field investigations, site assessments, and construction observation; provide technical guidance to junior engineers.
  • Develop project scopes, cost estimates, schedules, and proposals; support project management activities.
  • Coordinate multidisciplinary teams to ensure integrated and compliant project designs.
  • Review and ensure compliance with design standards, regulatory requirements, and permitting processes.
  • Serve as a point of contact for clients, contractors, and regulatory agencies; communicate technical information clearly and effectively.
  • Mentor and support junior staff; uphold quality control and company engineering standards.


What you'll need
  • Bachelor's degree in Civil, Environmental, or related engineering field.
  • EI/EIT required; PE registration preferred or in progress.
  • 4-8+ years of experience in water/wastewater design, permitting, or construction support.
  • Proficiency with hydraulic modeling tools (WaterGEMS, SewerGEMS, InfoWater, SWMM, etc.).
  • Strong experience with AutoCAD/Civil 3D; BIM/Revit knowledge preferred.
  • Demonstrated experience with pump systems, process equipment, site layout, and utility design.
  • Excellent analytical, project management, and problem-solving skills.
  • Strong leadership, communication, and client coordination abilities; capable of mentoring junior engineers.


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

About Trilon Group

Trilon Group offers career paths, spanning technical, project management, business management, business development, and operations.

Trilon Group Careers

Joining Trilon Group offers a unique opportunity to be part of a dynamic team of professionals dedicated to innovation, growth, and leadership in the industry. Trilon Group stands out as a beacon of excellence, providing a plethora of job opportunities that cater to a diverse range of skills and professional interests.

Explore Job Opportunities and Growth

Trilon Group is actively hiring, seeking individuals who are passionate, curious, and driven to excel. With a variety of open positions, Trilon Group is a prime choice for those looking to advance their careers in a supportive and diverse environment. Explore the numerous job opportunities and find a position that aligns with your career aspirations and skills.

Internship Programs

Kickstart your career with Trilon Group’s internship programs. These opportunities are designed for individuals eager to gain hands-on experience and develop essential skills in a real-world setting. Internships at Trilon Group are a gateway to full-time employment and offer a robust foundation in professional growth and networking.

Benefits and Culture

Trilon Group is committed to fostering a culture that values diversity and inclusion. Employees enjoy a range of benefits designed to support their professional and personal lives. From diversity training to comprehensive health benefits, Trilon Group ensures that team members have the resources they need to succeed and thrive.

Professional Development and Leadership

Career development is a cornerstone of Trilon Group’s ethos. The company offers unmatched training programs, leadership development, and opportunities for career advancement. Employees are encouraged to take initiative, lead projects, and participate in networking events to enhance their professional trajectory.

Innovation and Industry Leadership

At the intersection of technology and industry expertise, Trilon Group is a leader in delivering innovative solutions that drive success. The team at Trilon Group is at the forefront of industry trends, continuously adapting and evolving to meet the challenges of the digital era.

Hiring Process

The hiring process at Trilon Group is designed to be transparent and engaging. Candidates are encouraged to submit their resumes and may be invited for an interview to discuss their experiences and career goals. Trilon Group values a thorough approach to ensure that all potential team members align with the company’s values and vision.

Stay Connected with Trilon Group Careers

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Join the Trilon Group Team

Search for positions that match your interests and skills on the Trilon Group careers page. Trilon Group is looking for creative, solution-driven team players who are ready to make a significant impact. Explore the exciting and rewarding opportunities that await at Trilon Group.

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Learn more about Trilon Group
Size
1,001 employees
Industry

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