Water Resources Engineer III

Resource Environmental Solutions LLC is seeking a Water Resources Engineer III in Louisiana. The role involves leading technical design for stream and wetland restoration and stormwater management projects. Candidates should have a civil or environmental engineering degree, a PE license, and 5+ years of experience. The position emphasizes collaboration, advanced design skills, and occasional travel for site assessments and construction oversight.
At RES, we’re looking for purpose-driven individuals who are passionate about restoration and sustainability, and who want their work to make a lasting environmental impact. Our team members go above and beyond, bringing initiative, integrity, and a strong work ethic to every project. Collaboration is key—we thrive on teamwork, open communication, and diverse perspectives. In a field that constantly changes, we value those who are resilient, adaptable, and resourceful in the face of challenges. If you're intellectually curious, eager to learn, and ready to help restore ecosystems and protect natural resources, you’ll find your place here.

We’re looking for an experienced Water Resources Engineer to help us deliver stream, wetland, and stormwater restoration projects from concept through construction. This is a technical leadership role—ideal for a licensed engineer with advanced design skills, modeling proficiency, and the ability to work across multi-disciplinary teams to ensure high-quality project delivery. You’ll be based out of one of our regional offices or design hubs, working closely with engineers, scientists, and project managers across disciplines. You’ll spend most of your time on technical design and coordination, with occasional travel for site assessments, field data collection, construction oversight, and agency meetings. See some of the projects our engineers work on here.

Why You’ll Love This JobYou’ll apply advanced design skills to projects that make a lasting environmental impact

You’ll contribute directly to permittable, buildable, field-tested solutions

You’ll work with a talented, collaborative team who values science, innovation, and restoration

You’ll have opportunities to mentor junior engineers and lead technical delivery

You’ll engage with regulators and clients to help shape successful outcomes

A Day in the Life

As an Engineer III, you’ll lead the technical design and plan development for stream and wetland restoration and stormwater management projects. Your day may include reviewing survey data, developing HEC-RAS or TR-55 models, creating grading plans in Civil 3D, or coordinating with permitting specialists and PMs.

You’ll work with junior engineers to produce high-quality plan sets, run QA/QC reviews, and communicate with clients and agencies to support approval processes. In the field, you’ll perform site assessments and support QA/QC during construction to ensure plans are implemented as designed. Whether it’s creating concept plans or overseeing agency submittals, your work will help deliver real restoration on the ground.

We would love to talk to you if you have many of the following:

A Bachelor’s degree in civil, environmental, or ecological engineeringPE license in the appropriate state5+ years of professional experience in restoration, stormwater, or site developmentAdvanced capability in stream, wetland, or stormwater management design, including feasibility studies, concept design, and restoration plans development Proficiency in AutoCAD Civil 3D and relevant modeling tools (e.g., HEC-RAS, FlowMaster, TR-55, GIS, MicroStation)Strong understanding of stream geomorphology, hydraulics, sediment transport, and/or stormwater BMP designAbility to communicate directly with clients and regulatory agenciesComfort leading design work with minimal oversight and supporting QA/QC in the fieldExperience coordinating work within multi-disciplinary teamsWhat will make you stand out?

Master’s degree in civil, environmental, or ecological engineeringSuccessfully navigated multiple permitting processes across state, federal, and local agenciesAbility to mentor and guide junior engineering staff in design and plan productionPrevious experience with Water Volumetric Accounting. Please note that the “Day in the Life” section is not intended to be an exhaustive list of job duties, but rather a representative snapshot of typical responsibilities and work experiences at RES.

RES is an Equal Opportunity Employer and a VEVRAA Federal Contractor. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.