Senior Proposal Writer (Contract)

The posting, as Red Cell Partners wrote it

About Us

Red Cell Partners is an incubation firm building and investing in rapidly scalable technology-led companies that are bringing revolutionary advancements to market in three distinct practice areas: healthcare, cyber, and national security. United by a shared sense of duty and deep belief in the power of innovation, Red Cell is developing powerful tools and solutions to address our Nation’s most pressing problems.

About Red Cell Federal

Red Cell Federal builds AI-powered, mission-ready capabilities for the U.S. government. We turn complex government needs into repeatable, high-impact solutions.

The Role

Red Cell Federal is seeking a Senior Federal Proposal Writer (1099) to develop clear, persuasive, and compliant responses to federal solicitations. You will turn capture strategy and complex technical input into strong proposal content.

You will work with the Proposal Manager, capture leads, Solutions Architects, product leaders, and subject matter experts. This role sits in the Operations Cell under the COO and reports to the Proposal Manager.

This is a remote, project-based 1099 engagement. Work is assigned on demand, and no minimum volume is guaranteed.

What You’ll 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; turn their input into clear proposal text.
• 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.

What We’re Looking For

• 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.

Bonus Points

• Current APMP certifica

[…]
identity, national origin, protected veteran status, or on the basis of disability.

Applicant Data Disclosure

By submitting an application, you acknowledge that Red Cell Partners, LLC ("Red Cell") uses third-party service providers to facilitate its recruitment and hiring processes. These providers include applicant tracking systems, candidate verification platforms, and fraud detection tools (collectively, "Hiring Platforms"). Your application materials, including your résumé, cover letter, work samples, responses to application questions, and any other information you submit, may be transmitted to and processed by these Hiring Platforms for the following purposes:

• Managing and administering your application throughout the hiring process;
• Verifying the accuracy and authenticity of application materials, including by cross-referencing information you provide against publicly available sources and proprietary databases;
• Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available professional profiles, geographic anomalies, and fabricated work histories.

Applications that are flagged through this process as containing indicators of fraud or material misrepresentation may be declined from further consideration. If you have questions about the status of your application or the evaluation process, please contact talent @redcellpartners.com .

Red Cell requires its Hiring Platform providers to process your information solely for the purposes described above and in accordance with applicable law. Your information will be retained only for as long as necessary to fulfill these purposes and any applicable legal obligations, after which it will be deleted in accordance with Red Cell's data retention policies.

For more information about how your data is used, please refer to our Privacy Policy and Applicant Privacy Notice .