Gresham, Smith and Partners

Wastewater Treatment Engineer - Water + Environment Market

Gresham, Smith and Partners$80K — $110K *
Energy & Utilities
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Environmental, Civil, or Chemical Engineering (Master's preferred)
  • Professional Engineer (P.E.) license in applicable Southeastern states.
  • 10+ years of experience focusing on municipal water and wastewater treatment facility design.
  • Strong knowledge of process design principles and regulatory compliance.
  • Proficient in Microsoft Office and knowledgeable in AutoCAD and process modeling software such as BioWin.

Responsibilities

  • Lead the planning and design of municipal water and wastewater treatment facilities.
  • Prepare and review technical designs, calculations, drawings, and specifications.
  • Optimize unit processes applying sound engineering judgment.
  • Conduct and manage process modeling and analysis for design support.
  • Prepare planning and design-level technical reports for project justification.
  • Support construction-phase services and participate in startup activities.
  • Collaborate with multidisciplinary teams to deliver coordinated design packages.
  • Mentor junior staff and foster long-term client relationships.

Benefits

  • Opportunity to work on impactful projects for diverse municipal and industrial clients.
  • Engagement in sustainable infrastructure solutions that meet regulatory standards.
  • Collaborative work environment with a multidisciplinary team of experts.
  • Potential for career growth and professional development through mentorship.
Full Job Description


We're looking for someone who has:

  • Bachelor's degree in Environmental, Civil, or Chemical Engineering (Master's preferred).
  • Professional Engineer (P.E.) license in applicable Southeastern states.
  • 10+ years of experience with a primary focus on municipal water and wastewater treatment facility design.
  • Strong knowledge of process design principles, equipment selection, and regulatory compliance.
  • Proficiency with Microsoft Office; working knowledge of AutoCAD and process modeling software (e.g., BioWin, GPS-X) preferred.
  • Excellent written and verbal communication skills, including the ability to work collaboratively across teams and with clients.


Most importantly, you bring genuine curiosity, creativity, and a collaborative spirit-someone who wants to do great work with great people.

About the Role

You will focus on delivering high-impact projects for municipal and industrial clients across the Southeast. This role offers the opportunity to lead the planning, design, and implementation of water and wastewater treatment facilities that help our clients meet regulatory challenges, improve system reliability, and plan for future growth. You'll work alongside a multidisciplinary team of engineers and designers dedicated to technical excellence, client service, and advancing sustainable infrastructure solutions.

As a Water/Wastewater Treatment Engineer, you will:

  • Lead the planning and design of municipal water and wastewater treatment facilities, including plant upgrades, expansions, and regulatory-driven improvements.
  • Prepare and review process designs, technical calculations, drawings, specifications, and cost estimates for treatment projects.
  • Apply sound engineering judgment in selecting and optimizing unit processes, including physical processes, chemical treatment, biological processes, disinfection, and solids handling.
  • Conduct and/or manage process modeling and analysis using tools such as BioWin or similar platforms to support design decisions.
  • Prepare and review planning and design-level technical reports, including alternative analyses, basis of design reports, and technical memoranda in support of design decisions.
  • Support construction-phase services, including reviewing submittals, responding to RFIs, and participating in startup and commissioning activities.
  • Collaborate with internal and external multidisciplinary teams (civil, electrical, structural, mechanical) to deliver fully coordinated design packages.
  • Serve as a technical mentor to junior staff and contribute to strong, long-term client relationships.


Your work will directly contribute to shaping environments where people live, work, and thrive, all while growing your career within a supportive, people-first culture.

Join Us

If you're excited to bring your talents to a collaborative, people-first environment where you can make an impact while growing your career, we'd love to hear from you.

Here's what you can expect:

Professional Growth: In-house Learning, Tuition Reimbursement, Licensure Support, Professional Organization Engagement.

Culture that Cares: 93% of employees say they feel cared for, and 96% are confident in our future success.

Competitive Benefits:

  • Flexible Schedules & Generous PTO
  • Healthcare (Medical, Dental, Vision, Wellness Programs)
  • 401(k) with Company Match
  • Short- & Long-term Disability, Paid Life & AD&D
  • Supplemental, Critical Care, Pet, Legal & ID Theft Insurance
  • Family Planning and Parental Leave
  • Mass/Public Transit Program
  • Telemedicine and Employee Assistance Program

About Gresham, Smith and Partners

Gresham, Smith and Partners (GS&P) is a privately held architecture, engineering, and planning firm headquartered in Nashville, Tennessee. The firm was founded in 1967 and has since grown to employ over 1,100 professionals in offices across the United States. GS&P provides a wide range of services, including architecture, engineering, interior design, planning, environmental services, and program management. The firm has completed projects in a variety of sectors, including healthcare, aviation, transportation, corporate and urban design, and water resources. GS&P is committed to sustainability and has completed numerous LEED-certified projects. The firm has received numerous awards for its work, including the American Institute of Architects (AIA) National Firm Award in 2012.
Learn more about Gresham, Smith and Partners
Size
1,100 employees
Industry

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