Fall 2026 Water Engineer Co-op/Intern

Arcadis•Sewickley, PA

21h•$17 - $35•Onsite

About The Position

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together. Role description: Our Water Business Line is currently searching for a Water Engineer intern or co-op to join our office in Pittsburgh, PA either in Fall (August) 2026. The primary focus for this internship will be planning, design and construction administration for many project opportunities including: water, wastewater, stormwater and water management. Technical responsibilities will include; facilities planning, project design, permitting and construction administration activities as well as developing design reports and construction documents. Projects can involve facilities planning and design for treatment plants, pumping systems, pipelines, green infrastructure and flood protection. Role accountabilities: As a Water Engineer Intern, you will have the opportunity to work on various aspects of water, wastewater, and stormwater treatment and conveyance projects. This includes involvement in planning, process evaluations, detailed design, and construction administration. Your role may also require fieldwork, such as conducting site visits, observing construction activities, collecting samples, analyzing water quality data, evaluating technologies and plant operations, troubleshooting processes, and optimizing operations. Additionally, you will be responsible for conducting condition assessments and overall performance evaluations of water, wastewater, and stormwater facilities. In addition to the responsibilities mentioned above, you will also be accountable for: Working on multiple, unique assignments simultaneously, requiring strong organizational, analytical, and problem-solving skills. Being a self-motivated, team-oriented, and flexible individual with the initiative and ability to take on new projects and challenges regularly. Exercising judgment on work details and making preliminary selections and adaptations of engineering alternatives. Strong communication skills (both oral and written) are essential in this role as you will be working closely with staff and clients. You will also need to demonstrate client-facing skills, including preparing and delivering effective presentations, participating in client meetings, and interacting with clients and subcontractors in the field. Local candidates are given preference, as relocation assistance is not available for this position.

Requirements

Pursuing a degree in Civil or Environmental Engineering or closely related field.
Strong communication skills (both oral and written)
Client-facing skills

Responsibilities

Planning, design and construction administration for many project opportunities including: water, wastewater, stormwater and water management.
Facilities planning
Project design
Permitting and construction administration activities
Developing design reports and construction documents
Conducting site visits
Observing construction activities
Collecting samples
Analyzing water quality data
Evaluating technologies and plant operations
Troubleshooting processes
Optimizing operations
Conducting condition assessments and overall performance evaluations of water, wastewater, and stormwater facilities.
Working on multiple, unique assignments simultaneously, requiring strong organizational, analytical, and problem-solving skills.
Exercising judgment on work details and making preliminary selections and adaptations of engineering alternatives.
Preparing and delivering effective presentations
Participating in client meetings
Interacting with clients and subcontractors in the field.