Water/Wastewater Engineer Internships
Water/wastewater engineer internships give university students, recent graduates, and early-career switchers hands-on project experience treating real infrastructure challenges, mentorship from working engineers, and, at many employers, a path toward a full-time offer. Demand is strongest across {{top_industries_phrase}}, with DOWL, Bowman, and Consor among the employers posting roles now.
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Lochner and Egis are entering an exciting new chapter as one organization.
We have combined decades of trusted U.S. engineering expertise with the global reach, technical excellence, and career opportunities of a leading international engineering, consulting, and infrastructure firm. While our name has changed, our commitment to our people, clients, and communities is stronger than ever.
At Egis, every project is an opportunity to create lasting impact. We collaborate with public and private clients to design and deliver innovative transportation, aviation, rail, transit, water, structural, environmental, and infrastructure solutions that connect communities and improve everyday life. Join a team where innovation is encouraged, collaboration is valued, and your work helps build a more sustainable future.
Job Description
Job Description
We are looking for a Water/Wastewater Intern, in our Dallas and Fort Worth offices to support the planning, design, and delivery of municipal water and wastewater infrastructure projects. This role offers the opportunity to contribute to a variety of projects involving water distribution systems, wastewater collection systems, pipelines, lift stations, and pump stations while working alongside experienced engineers and project managers.
The Impact You'll Make (Job Responsibilities)
- Prepare engineering calculations, technical reports, plans, specifications, and construction documents for water and wastewater infrastructure projects.
- Support the design and delivery of pipelines, force mains, gravity sewer systems, lift stations, pump stations, and related utility facilities.
- Perform hydraulic analyses, engineering evaluations, and design studies to support project development.
- Coordinate with multidisciplinary teams, clients, utility owners, and regulatory agencies throughout project delivery.
- Assist with project planning, scheduling, permitting, and construction-phase services.
- Review design documents for accuracy, completeness, and compliance with applicable codes, standards, and project requirements.
- Support client meetings, proposal efforts, and other project-related activities as needed.
Qualifications
- In pursuit of a bachelor's degree in Engineering from an ABET-accredited program.
- Typically 0-2 years of related engineering experience in the planning, design, and delivery of infrastructure projects.
Additional Information
Why You'll Thrive at Egis
At Egis, you'll do more than build your career—you'll help shape the future of infrastructure. As we continue to expand across the United States, we're looking for curious, collaborative professionals who are passionate about solving complex challenges and delivering projects that improve communities and create lasting impact.
Whether you're launching your career or bringing years of experience, you'll have the opportunity to work alongside industry-leading experts, collaborate across disciplines and borders, and contribute to projects that transform the way people live, move, and connect. Here, you'll be empowered to take on meaningful work, develop new skills, and grow your career with the support of a global engineering leader.
What Sets Egis Apart
- Meaningful Projects – Contribute to complex infrastructure projects that strengthen communities and improve quality of life.
- Global Expertise, Local Impact – Collaborate with technical specialists across North America and around the world while delivering solutions that make a difference locally.
- Career Growth – Expand your skills through mentorship, professional development, technical training, and leadership opportunities.
- A Culture of Collaboration – Thrive in an inclusive environment where diverse perspectives are valued, innovation is encouraged, and teamwork drives success.
- Opportunity to Grow with Us – Join a rapidly expanding organization where your ideas, contributions, and career can grow alongside the business.
At Egis, we're committed to creating an environment where talented people can do their best work, continue to grow professionally, and build rewarding, long-term careers.
We're committed to making competitive offers that recognize the unique experience, expertise, and value each candidate brings to our team.
In addition to base salary, this position may be eligible for incentive compensation, where applicable, as well as professional development opportunities, and other employee programs.
Equal Employer
Egis is proudly committed to recruiting and retaining a diverse and inclusive workforce. Egis provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
All positions at Egis require an applicant who has accepted an employment offer to undergo pre-employment screening. Background checks include SSN/SIN validation, motor vehicle verification, education verification, employment verification, a criminal check, search against global sanctions and government watch lists, and drug tests. All employment offers are contingent upon successful results of the pre-employment screening.
Water/Wastewater Engineer Internship Market
Who's Hiring


Tips for Your Water/Wastewater Engineer Internship Search
Apply earlier than your classmates do
Large consulting firms, federal agencies, and municipal utilities fill summer water/wastewater engineer intern cohorts the preceding fall, often closing applications by November. Smaller companies and co-op programs post closer to start dates. Starting your search in September gives you access to the structured programs and the rolling openings.
Build a portfolio before you send a single application
Hiring teams for water/wastewater engineer interns expect limited work history, so your projects carry the weight. Document two or three complete designs or analyses, name every tool you used, such as AutoCAD, EPANET, or ArcGIS, and make the work viewable, whether that is a PDF portfolio, a shared drive folder, or a formatted project report you can send on request.
Work your campus network alongside direct applications
Career fairs surface structured programs tied to your university, and professors with industry contacts often know which firms recruit from your school before roles appear publicly. Apply directly to companies running smaller cohorts at the same time, since many water/wastewater engineering teams hire without visiting campuses. Both channels together reach more of the hiring market than either one alone.
Practice your technical screen out loud before you apply
Water/wastewater engineer intern interviews typically include a technical component, such as a hydraulics problem, a water quality scenario, or a design question drawn from coursework. Practice your answers aloud and explain your reasoning step by step, since interviewers weigh how you think through an engineering problem as much as whether you land on the right answer.
Target structured rotational and university programs early
Larger environmental engineering firms and utilities run formal intern cohort programs built to train people new to the field, rotating participants across treatment operations, design, and regulatory compliance. These programs recruit in the fall and fill fast. Identify the ones aligned with your coursework, apply in the first wave, and follow their timelines closely.
Set your work-type filter before you start
On-site roles are 75% of the water/wastewater engineer internships listed here. Decide what you can realistically commit to before you search, then filter by location and work type so you are only reviewing roles you can actually accept. Sorting that out first saves time and keeps your applications focused.
Water/Wastewater Engineer Internships: Frequently Asked Questions
How do I get a water/wastewater engineer internship?
Lead with coursework and projects rather than work history, since hiring teams expect limited experience at the intern level. A design portfolio or documented project report, showing treatment system modeling, hydraulic calculations, or CAD drawings, gives recruiters something concrete to assess. Pair direct applications with campus career fairs, where environmental and civil engineering recruiters often move faster for students they meet in person.
Can a water/wastewater engineer internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. For water/wastewater engineer interns, what drives it most is the quality of your technical deliverables, your reliability on project timelines, and whether the team has headcount when you graduate. Treat the internship as an extended audition, contribute meaningfully to real work, and ask your manager early about the return-offer timeline.
When should I apply for water/wastewater engineer internships?
Earlier than most students expect. Large municipal utilities, consulting engineering firms, and federal agencies recruit summer interns the preceding fall, often wrapping cohorts by November or December. Smaller companies and co-op programs post much closer to start dates, so openings appear year-round. Checking listings regularly means you catch both waves instead of missing the early one.
Are water/wastewater engineer internships paid?
Most professional water/wastewater engineer internships in the U.S. are paid. Compensation varies by company size, industry, and location, with larger consulting firms and utilities typically offering more structured packages than smaller municipalities or nonprofits. Where an employer discloses pay, it appears directly in the listing, so you can compare offers without having to ask upfront.
What should a water/wastewater engineer internship resume include?
Lead with two or three complete, documented projects rather than work history. For water/wastewater engineer candidates, the strongest proof is a design portfolio, CAD drawings, hydraulic or water quality modeling outputs, or a written project report that names the tools you used, such as AutoCAD, EPANET, or ArcGIS. Add relevant coursework in environmental engineering, fluid mechanics, or water chemistry, and keep the whole document to one page.
Are there remote water/wastewater engineer internships?
Yes. Remote and hybrid roles make up 25% of the water/wastewater engineer internship listings here, with the rest on-site. Remote cohorts fill quickly because they draw applicants from across the country, so apply early and filter by work type to see those openings before they close.
Can international students get water/wastewater engineer internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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