Proposal Development Intern

Job Title: Proposal Development Intern 
Location: Milwaukee, WI (Hybrid) 
Hours: Flexible, approx. 15–20 hours per week, Monday through Friday 
Compensation: $18-$20 free downtown parking 
 

Job Description 
As a Proposal Development Intern, you’ll play an important role supporting our Business Development and Marketing teams by crafting compelling, data-informed proposals and submittals for a wide range of Requests for Proposals (RFPs). This is an opportunity to gain hands-on experience in strategic communications, research, and proposal writing while helping Interstate expand into new markets. 
 
Interstate Parking is a rapidly growing managed parking solutions company headquartered in Milwaukee, Wisconsin with 500+ team members operating over 400 locations with more than 85,000 parking spaces in geographic markets from California to Vermont. We’ve accomplished this by creating exceptional customer experience by implementing advanced technology and innovative marketing techniques. Our rapid growth means we’re always seeking to add highly talented and creative people to the Interstate team. 
 
We truly value our people and the quality of our work environment.  In 2023 through 2025 we received Top Workplace recognition from the Milwaukee Journal Sentinel.  In addition, Interstate also earned national Cultural Excellence awards for Leadership, Innovation, Employee Well-Being, and Employee Appreciation.  We’re extremely proud of this recognition because it’s based entirely on feedback from our team members!   

Learn more: https://topworkplaces.com/company/interstate-parking/ 
 
Our rapid growth means we’re always seeking to add highly talented and creative people to the Interstate team. 

 
What You’ll Do 

• Collaborate with marketing, business development, and operations teams to prepare persuasive, professional proposal documents for submittal. 
• Coordinate the collection of technical, financial, and operational content needed to respond to RFPs. 
• Research potential clients, markets, and competitors to tailor proposal content. 
• Develop and maintain a proposal library of standard responses, templates, case studies, and graphics. 
• Edit, proofread, and format proposal materials for clarity, consistency, and visual appeal. 
• Support post-submittal follow-ups and maintain accurate records of proposals, deadlines, and outcomes. 

What We’re Looking For 

• College junior or senior pursuing a degree in Marketing, Communications, Business Administration, English, or a related field. 
• Exceptional written and verbal communication skills. 
• Strong attention to detail, organization, and time management skills. 
• Ability to synthesize information and write in a clear, professional tone. 
• Collaborative team player who is proactive, curious, and eager to learn. 
• Experience with proposal writing, marketing communications, or CRM systems is a plus. 
   

What We Offer 

• Competitive pay and free downtown Milwaukee parking.
• A hands-on learning experience working with an innovative, growth-oriented marketing team.
• Real-world exposure to business development processes and proposal strategy.
• A flexible schedule to fit around academic responsibilities.

 
Apply Now 
Once you’ve completed your application, our team will review it and follow up with you about the next steps! 

College junior or senior pursuing a degree in Marketing, Communications, Business Administration, English, or a related field. 

Experience with proposal writing, marketing communications, or CRM systems is a plus.