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Salary
≈ $89k – $168k per year (Estimated)
Location
In office (Perrysburg)
Seniority
Senior · 6+ years exp

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 12, 2026.

Overview
Company
Impact
Profile match
Kleinfelder is an engineering, design, construction management and environmental services firm headquartered in San Diego, California, working on transportation, water, energy, power, government and commercial infrastructure. Founded in 1961, it operates more than 100 offices across the United States, Canada and Australia and offers geotechnical engineering, construction materials testing, environmental consulting, design and water system operations. It hires geotechnical, electrical, water and highway design engineers, environmental scientists and geologists, materials testing technicians, water system operators and project managers.

Job Description

Take Your Environmental Career to the Next Level

Kleinfelder, a Forbes' Top Employer for Engineers in North America, is committed to a people-first culture, technical excellence, and creating opportunities where employees can thrive!

Are you ready to be challenged, make a difference, and experience professional growth in your career? Kleinfelder's Environmental team is looking for you! From environmental planning, permitting, remediation, and site characterization to chemical data management and hydrogeology, Kleinfelder offers a variety of services designed to provide technically appropriate and cost-effective solutions.

Step into Your New Role

We are seeking a Water Design Engineer experience in designing, implementing, and managing decentralized water and wastewater treatment systems for commercial and industrial clients. The ideal candidate will bring technical expertise, regulatory knowledge, and client-focused solutions to support sustainable water infrastructure projects.

Key Responsibilities:

  • Oversee design and installation of decentralized/on-site water/wastewater treatment systems tailored to commercial applications.
  • Oversees site assessments, feasibility studies, and hydraulic modeling to determine optimal system configurations.
  • Develop and review engineering plans, specifications, and proposals for wastewater infrastructure.
  • Ensure compliance with local, state, and federal environmental regulations.
  • Collaborate with clients, contractors, and regulatory agencies to deliver cost-effective and sustainable solutions.
  • Provide technical guidance on system operation, maintenance, and troubleshooting.
  • Prepare environmental documentation, technical reports, and permit applications.
  • Lead or support construction oversight and commissioning of treatment systems.
  • Stay current with emerging technologies and best practices in decentralized water/wastewater management.

Qualifications:

  • Bachelor of Science in engineering.
  • 3-5 years' experience in Project Managment of water/wastewater systems.
  • 6-10 years of experience in water and wastewater treatment system design.
  • Experience in water/wastewater engineering or management, with emphasis on decentralized systems.
  • Must have valid OH Driver's License.

Following an offer, candidates will be required to satisfactorily complete employment reference checks, verification of professional licensure and/or educational credentials, a motor vehicle report (MVR), and a comprehensive background check.

Move Forward with Kleinfelder: Kleinfelder and its’ subsidiaries and affiliates, has been connecting great people to the best work since 1961. We are engineers, scientists, and construction professionals providing solutions that improve our clients’ transportation, water, energy, and other private infrastructure. As a responsive, cross-disciplinary team of bright, curious, and innovative problem-solvers, we are dedicated to doing the right thing, every day, on every project from over 110 offices in the US, Canada, and Australia. Connecting great people to the best work is our purpose - together, we deliver.

Progress with an Employer that Values You

Kleinfelder, and its’ subsidiaries and affiliates, is an inclusive organization free from discrimination. We are a stronger organization when we are a diverse workforce and believe that through diversity, equity, and inclusion comes creativity, innovation, and unity. We are proud to offer the following:

Benefits: Kleinfelder, and its’ subsidiaries and affiliates, offers an excellent compensation and benefits package, including: medical, dental, vision, life insurance, 401(k) plan, and paid holidays.

Career Development: We are committed to investing in the professional development of our staff, offering each employee every opportunity to grow, develop, and take control of their career paths. We support these efforts through reimbursements for continuing education as well as many of the expenses associated with trainings and certifications, and opportunities for career development through our internal Mentoring Program.

Equal Opportunity: Kleinfelder, and its’ subsidiaries and affiliates, is an Equal Opportunity Employer - Minorities/Women/Disabled/Veterans. (Compliant with the new VEVRAA and Section 503 rules)

NOTICE TO THIRD PARTY AGENCIES

Please note that Kleinfelder, and its’ subsidiaries and affiliates, does not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Recruitment Fee Agreement, Kleinfelder, and its’ subsidiaries and affiliates, will not consider or agree to payment for any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, Kleinfelder, and its’ subsidiaries and affiliates, explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resume, including those submitted to hiring managers, are deemed to be the property of Kleinfelder.

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