Internships in Portland, Maine, United States

BerryDunn’s Valuation Services Group seeks a Summer 2027 Business Valuation Intern to support privately held business owners in Portland, ME. The role involves analyzing financial readiness, researching market factors, and producing detailed valuation reports alongside senior staff. This full-time, on-site internship requires a minimum of 40 hours per week during the summer session.

BerryDunn’s Local Government Practice Group seeks a Consulting Intern to support the Community Development and Organizational Development teams. The intern assists with consulting engagements, project management, data analysis, and client briefings under close supervision.

BerryDunn’s Medicaid Practice Group seeks an Organizational Excellence Intern to support state agency clients in building organizational capacity. The role involves assisting with client projects, analyzing data, and developing tools for organizational development within a hybrid team environment.

BerryDunn's Government Assurance Practice Group seeks a Cybersecurity Intern for its Information Technology Security practice in Portland, ME. The role supports client engagements through research, documentation review, and assistance with penetration testing and vulnerability assessments under consultant guidance. This full-time internship runs from May to August 2027.

BerryDunn’s Healthcare Analytics Practice Group is seeking a Consulting Intern to support its growing Health Policy Analysis Practice, which provides economic, actuarial, and analytics services to government and nonprofit clients. Based in the Portland, ME office, the full-time internship runs May 25 to August 6, 2027 and involves gathering and analyzing healthcare data, developing client-facing reports and presentations, and assisting with consulting engagements under close supervision.

Joining our team as an Electrical Junior Designer Intern offers a unique opportunity to gain practical experience, expand your skills, and make meaningful contributions to impactful projects within Salas O’Brien. We are committed to providing a supportive and enriching environment where interns can thrive and develop their talents.

Stantec's Fuel System Engineering group is looking for an intern for Summer 2027! This position will be responsible for working primarily with the Fuel System Engineering Group in the Auburn, NH, Portland, ME, or Overland Park, KS offices, although work with other groups, including environmental and civil engineering may be included.

Field Operations team at Consigli Construction focuses on delivering safe, on‑time construction projects. The Field Operations Co‑op assists superintendents and project managers with safety program administration, schedule analysis, and site documentation, gaining hands‑on experience in field coordination and quality assurance.

BerryDunn’s Healthcare Analytics Practice Group seeks a Summer 2027 Consulting Intern to support its consulting practice providing end-to-end data management services. Based in Portland, ME, the intern will execute data quality analysis, design integration solutions, and develop reporting assets for government and private clients.

BerryDunn seeks a Spring 2027 Tax Intern to support its Not-For-Profit and broader client practice in Portland, ME. The role involves preparing trial balances and various tax returns under close supervision while receiving extensive training on firm software and procedures. This is an on-site internship requiring a minimum of 24 hours per week.

Project Management team at Consigli Construction builds and oversees construction projects. The Project Management Co-op supports engineers and managers by handling documentation, scheduling, meeting minutes, and field coordination.

The Project Management Intern (Summer 2027) supports Project Engineers, Project Managers, and Superintendents in coordinating and executing construction projects within the Project Management division. Day-to-day work includes processing submittals, maintaining project documentation, attending and recording project meetings, tracking material deliveries, and providing field support in a dynamic construction environment.

BerryDunn’s Parks, Recreation and Libraries team within the Local Government Practice Group seeks a Consulting Intern to support local and state government clients. The intern assists with consulting engagements, project management, data analysis, and client briefings under close supervision.

BerryDunn offers a Spring 2027 Tax Internship in Portland, ME, supporting clients across healthcare, nonprofit, and financial sectors. Interns prepare tax returns and trial balances under close supervision while receiving extensive training on firm software and procedures.

BerryDunn’s Local Government Practice Group seeks a Justice & Public Safety Consulting Intern to support local government agencies with organizational, IT, and management needs. The intern will assist J&PS teams with data analysis, project management, and client reporting under close supervision.

We create the connections that get people and goods moving—whether by car, bus, train, plane, or their own two feet. Working within the context of the communities we serve, we provide planning, engineering, and infrastructure management services that fit the needs of our clients and improve the overall transportation experience.

Work and train with the industry's finest professionals! FlatironDragados' Intern Program provides challenging and rewarding work opportunities for college students majoring in Civil Engineering, Mechanical Engineering and Construction Management.

BerryDunn’s Technology Assurance Services Practice seeks an Internal Controls Audit Intern for Summer 2027 to support SOC examinations and IT security assessments. The role involves assisting engagement leads with planning, testing, and monitoring client compliance needs within a collaborative team environment.

BerryDunn seeks an Outsourced Accounting Intern to support client engagements across diverse industries including healthcare and technology. The role involves performing financial statement compilations, general ledger processing, and month-end closes under the guidance of experienced staff.

Wright-Pierce, an award-winning, multi-discipline environmental engineering firm specializing in water, wastewater and civil infrastructure, is seeking an Electrical Engineering Intern to join our company for the Summer of 2027. The position entails a wide variety of challenging projects requiring unique and creative approaches.