Marketing Intern

Marketing Proposal Intern

Join a team that’s passionate about building inspiring spaces and pushing the industry forward in smarter, more innovative ways. As a top builder, developer, and EPC (Engineering, Procurement, and Construction), our expertise spans markets like sports, renewable energy, data centers, healthcare, and more. At Mortenson, we’re grounded in offering meaningful work, real career growth, and a collaborative culture where your ideas and contributions matter.

We’re looking for motivated, adaptable individuals who thrive in fast-paced environments and enjoy working with a diverse range of people. If you’re proactive, curious, and ready to make an impact while growing your career, check out our opportunities!

As an intern, you’ll get hands-on experience right away, working alongside project teams and partners to keep things moving. You’ll help solve real problems, stay organized, communicate across teams, and make an impact from day one while building the foundation for your career.

Responsibilities

Mortenson’s Sales & Marketing team is seeking a motivated Proposal Intern to join our team. This internship offers a valuable opportunity to gain hands-on experience in the proposal development process within the Architectural, Engineering, and Construction (AEC) industry. You will work closely with our proposal team, contributing to the preparation and submission of compelling proposals that align with our strategic goals. 

Highlights of your time with this Mortenson internship will include:

• Conduct research to gather information and insights to support proposal content.

• Coordinate with cross-functional teams to collect necessary data and materials.

• Help develop and maintain a centralized site to elevate proposal quality and consistency across the organization.

• Continuously improve the tools and resources set in place for proposal development.

• Support the proposal team with administrative tasks as needed.

• Assist in the preparation of proposals, as needed, ensuring accuracy and compliance with customer requirements.

Program Overview:

Our summer intern program (May – August 2027) is designed to give you real, hands-on experience from day one, working on meaningful projects that directly impact the business. You’ll gain exposure to innovative work, build professional skills through development opportunities, and be supported by a team that values your growth. Your ideas matter here, and you’ll have the chance to contribute, learn, and make a difference while exploring your career path.