Proposal Writer

Overview

Do you enjoy transforming complex technical information into clear, compelling, and compliant proposal responses?

Berry Dunn is seeking a proactive, detail-oriented, and motivated Proposal Writer to join our growing Business Development team. In this role, you will lead the development of proposals from initiation through submission, partnering with business development professionals and subject matter experts to create compelling, compliant, and persuasive content that reflects Berry Dunn's expertise, value, and culture.

Our ideal candidate is a strong writer who can quickly understand complex subject matter and translate technical concepts into clear, client-focused messaging. You are organized, adaptable, and comfortable managing multiple deadlines and competing priorities while maintaining a high standard of quality, accuracy, and attention to detail. Success in this role requires the ability to analyze solicitation requirements, adhere to established proposal processes, and develop well‑organized responses that align with client needs and procurement requirements.

You are comfortable leveraging existing resources and proven content while tailoring responses to address unique client needs, and you take pride in producing polished work, communicating effectively with contributors, and delivering results in a fast‑paced, deadline‑driven environment.

This is more than just a writing role. It is an opportunity to shape how Berry Dunn communicates its expertise, supports meaningful client work, and pursues new opportunities. As you grow in the role, you will continue to strengthen your proposal management, collaboration, and content development skills while contributing to increasingly complex pursuits and contributing to a culture of continuous improvement and shared success.

This position reports to a Manager/Cohort Lead and can be based in our Portland, Maine office, another Berry Dunn location, or remotely in select cases.

• Lead the development of compelling, compliant, high‑quality proposals for core and established services from initiation through submission
• Analyze solicitation documents to interpret requirements, identify key compliance considerations, and develop clear outlines and response structures
• Leverage existing content and customize with guidance to help ensure clarity, accuracy, and aligned messaging
• Collaborate with proposal team members, subject matter experts, and internal partners to gather content, clarify information, and meet strict proposal deadlines
• Develop and manage proposal schedules, coordinate reviews, and follow up with contributors to keep assignments progressing on time
• Manage multiple concurrent proposals with varying requirements, stakeholders, and deadlines while maintaining quality and attention to detail
• Conduct targeted client and opportunity research to inform proposal strategy, content development, and competitive positioning
• Develop and refine interview and presentation materials, including slide decks, letters, leave‑behind, and supporting documentation in collaboration with subject matter experts
• Maintain proposal content libraries, templates, document repositories, and business development data to support accurate reporting and future pursuits
• Use tools such as Salesforce, SharePoint, Teams, Outlook, and Loopio to support proposal processes, collaboration, and pipeline maintenance
• Continuously build knowledge of assigned services, procurement processes, and proposal management best practices
• Travel occasionally, less than 5%

• A bachelor's degree, preferably in English, journalism, communications, marketing, or a related field
• Minimum of one to three years of experience developing proposals, technical documents, professional…