Senior Proposal Writer (Contract)

The role

You will develop clear, persuasive, and compliant responses to federal solicitations. You will turn capture strategy and complex technical input into strong proposal content.

What you will do

• Write and edit technical approaches, management and staffing plans, transition plans, past performance, executive summaries, white papers, solution briefs, and other response content.
• Review solicitations, SOWs, PWSs, instructions, and evaluation criteria, including Sections L and M.
• Build compliant outlines, storyboards, content plans, and compliance matrices.
• Interview SMEs, program managers, key personnel, and product leaders.
• Apply capture strategy, customer priorities, win themes, discriminators, benefits, and proof points.
• Address review comments and produce clean, submission-ready revisions on tight deadlines.
• Maintain a consistent voice and message across multi-author responses.
• Maintain reusable past-performance, corporate-experience, management, and technical content.
• Flag missing inputs, compliance gaps, conflicting guidance, and schedule risks early.

Required qualifications

• At least five years of federal proposal-writing experience in government contracting.
• Experience with Shipley or a similar proposal-development process.
• Strong knowledge of federal solicitations, FAR/DFARS concepts, Sections L and M, and evaluation criteria.
• A record of contributing to successful federal civilian or defense proposals.
• Ability to understand and explain complex topics such as AI/ML, autonomy, cybersecurity, software platforms, defense hardware, advanced communications, and health technology.
• Strong interviewing, writing, editing, and collaboration skills.
• Ability to protect sensitive company, customer, partner, and procurement information.
• U.S. citizenship.
• An independent-contractor business setup and the ability to provide a W-9.
• Provide a secure workspace, reliable high-speed internet, suitable computer hardware, Microsoft Office 365, PDF-editing tools, and other standard software.

Nice to have

• Current APMP certification.
• Active Secret or Top Secret U.S. Government security clearance.
• Experience with OTA, CSO, BAA, and SBIR/STTR submissions for national-security organizations.

About the company

Red Cell Partners is an incubation firm building and investing in rapidly scalable technology-led companies in healthcare, cyber, and national security. Red Cell Federal builds AI-powered, mission-ready capabilities for the U.S. government.