Water Engineering Internship - 2027

At Mott MacDonald, we believe engineering is about more than solving problems; it is about shaping a future that is inclusive, resilient, and sustainable. As we expand across the US and Canada, we are inviting passionate individuals to join a purpose-driven journey powered by brilliant people. As trusted consultants, we partner with clients to solve complex challenges, deliver sustainable solutions, and create lasting impact for the communities they serve.

From the moment you join our team, you will work alongside experienced engineering consultants, project managers, subject matter experts, mentors, and peers who champion integrity, teamwork, excellence, and innovation. You will build your technical skills while developing the mindset of a consultant; contributing to meaningful work, collaborating to achieve better outcomes, and growing with support every step of the way.

As a participant in Prelaunch, our summer internship program, you will embark on a structured three-month development journey that provides the foundational building blocks for starting a successful career at Mott MacDonald.

Your responsibilities may include:

• Designing engineering solutions

• Conducting site inspections and monitoring

• Joining project and client meetings

• Refining technical designs and documentation

• Analyzing reports and specifications

• Exploring project and client management

• Leveraging digital tools and innovation

• Driving sustainable outcomes

• Building connections through our Early Career Professionals Network

To be considered for this 2027 opportunity, here’s what you’ll need:

• Progress towards a Bachelor’s or Master’s Degree in Civil Engineering, or related field

• Demonstrated interest in your chosen field through previous internships, volunteering opportunities, or organization memberships

• Creative thinking skills, with a methodical and pragmatic approach to problem solving

• Proficient communication and presentation skills to engage confidently with clients and colleagues

• Resilient, solution-oriented mindset, with a focus on continuous growth and delivering value

• Ability to build and maintain relationships and rapport with internal and external stakeholders

• Collaborative spirit and commitment to teamwork

This position is located in Iselin, NJ. You must be able to reliably commute to our office in this location, per our hybrid working policy.

Here’s an overview of what to expect this recruitment season:

• August 2026 – Application Window Opens

• November 30, 2026 – Application Window Closes

• December 1, 2026 – January 31, 2027 – Interviews

• February 1, 2027 – March 31, 2027 – Hiring Decisions Finalized

• June 14, 2027 – Internship Program Kick-off

• August 20, 2027 – Internship Program Conclusion

Build your career while helping shape what comes next. At Mott MacDonald, you will be encouraged to explore your potential, share your ideas, and make meaningful contributions from the start.

• Learning and development experiences that support your career goals
• Dedicated mentorship and guidance from experienced professionals
• Employee Resource Groups that help build connection and community
• Meaningful opportunities to learn, contribute, and grow every day

Bring your curiosity, compassion, and drive to make a difference. If you are ready to join a collaborative engineering consultancy where your perspective is valued, your development is supported, and you are empowered to lead with integrity, we would love to hear from you.

Applicants must be authorized to work for any employer in the US, as Mott MacDonald is unable to provide sponsorship at this time.

Benefits & Rewards

Eligible interns may participate in Mott MacDonald's 401(k) retirement savings plan and gain valuable hands-on experience, mentorship, and professional development while working on meaningful projects.

The expected salary for this position is $18 - $35 /hr

Individual pay is determined based on several factors such as work location, education, experience, and unique skills.

Collaboration at Our Core
At Mott MacDonald, we believe great ideas happen when we’re together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

Equal opportunity is the law.

We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

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All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.