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Water​/Wastewater Engineer; Municipal Projects

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Hanson Professional Services, Inc.
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 140000 USD Yearly USD 100000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: Water/Wastewater Engineer (Municipal Projects)
Location: St. Louis

Hanson Values

Integrity | Commitment | Quality | Relationships | Innovation

If you're looking for a firm that encourages innovative thinking and challenges you every day, with an opportunity to learn and advance, a career at Hanson is right for you. The belief in sustainability within our company's practices creates a focus on client success and partnerships that are important to our communities and our environment.

Water/Wastewater Engineer (Municipal Projects)

Shape the Future of Water and Wastewater Infrastructure with Hanson!

At Hanson, we're dedicated to pioneering solutions that not only drive innovation but also prioritize sustainability. Our mission is clear: deliver exceptional engineering solutions that enhance communities and improve lives. As a Water/Wastewater Engineer, you'll be at the forefront of designing cutting‑edge water and wastewater systems, playing a critical role in both the success of our clients and the communities they serve.

If you're looking for a place where your work will make a real‑world impact, join us and help lead the way in building sustainable infrastructure. The position also offers exposure to municipal and local government projects outside of the water and wastewater field, including local roads, drainage design, and site design.

Key Responsibilities
  • Lead the Charge in Design:
    Design innovative water distribution, wastewater collection systems, treatment units, and pump stations for both municipal and industrial clients.
  • Solve Complex Challenges:
    Perform hydraulic calculations, pump sizing, and advanced modeling to ensure robust, efficient systems.
  • Guide Projects to Success:
    Manage the development of plans, specifications, and permitting processes, ensuring all projects stay on schedule and meet regulatory standards.
  • Create Impactful Solutions:
    Prepare technical reports and cost estimates that reflect your expertise and attention to detail.
  • Drive Innovation:
    Stay ahead of industry trends and integrate new technologies to enhance project outcomes.
  • Foster Client Relationships:
    Lead meetings and maintain strong, long‑term relationships with clients, helping to ensure their needs are met and expectations exceeded.
  • Shape the Future:
    Mentor and guide junior engineers, sharing your expertise and fostering a collaborative team culture that thrives on innovation and success.
  • Business Development Leadership:
    Play a key role in business development and regional project coordination to drive continued growth and success.
Skills and Experience
  • Technical Expertise:
    Proficiency in AutoCAD, Civil 3D, Water

    CAD, ArcGIS, and other essential software.
  • Experience:

    At least 8 years in water/wastewater engineering with a strong focus on system design and treatment units. Candidates with 10+ years of experience are highly encouraged to apply.
  • Education:

    Bachelor's degree in civil engineering or a related field.
  • Certifications:

    Illinois and/or Missouri P.E. or the ability to obtain one within 6 months of hire is required.
  • Leadership:
    Demonstrates strong leadership and mentoring skills, with a proven ability to effectively manage design teams and foster professional growth.
  • Industry Knowledge:
    Familiarity with Missouri DNR and Illinois EPA water and wastewater regulations and standards is essential.
  • Additional Requirements:

    Ability to travel as needed and work overtime to meet project deadlines. Excellent communication skills are a must.
Preferred Experience

Design experience in water and wastewater treatment, pump stations, lift stations, wastewater collection, and water distribution.

Previous experience working with both private and municipal clients in various settings.

The salary range for this position is $100,000 - $140,000 per year. Salaries are based on years of experience, skillset, and qualifications. This position is also eligible for an annual discretionary bonus.

Benefits
  • Competitive compensation
  • Performance bonuses
  • 401(k) with matching contribution
  • Employee Stock Ownership Plan
  • Comprehensive health & well‑being plans
  • Financial wellness plans
  • Work‑life balance programs

Want to know more? Visit our benefits page for all the details.

Culture
  • Monthly educational webinars
  • Leadership training
  • Lunch & learn development sessions
  • 24/7 access to thousands of skill‑building courses
  • Mentorship opportunities
  • Award‑winning internship program
  • Employee recognition
  • And so much more!
AN EQUAL OPPORTUNITY EEO - EMPLOYER

We do not accept unsolicited resumes from recruiters or agencies/staffing firms. Resumes are only accepted from recruiters and agency/staffing firms if a signed agreement is in place at the inception of the recruiting effort and authorized for a specified position.

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