Proposal Writer – AI Enablement

Leidos•Reston, VA

1d•Hybrid

About The Position

Leidos is seeking a highly skilled Proposal Writer to join our Health Mission Solutions Proposal Development team. In this role, you will use your expertise in artificial intelligence, large language models (LLMs), and generative AI tools to help develop compliant, compelling, and high-quality proposal and pre-proposal responses. Working closely with Capture Managers, Solution Architects, Program Managers, and Technical SMEs, you will translate solicitation requirements into structured outlines, annotated storyboards, and draft narrative content using AI-enabled workflows while maintaining strict compliance, accuracy, and quality standards. You will also research and write responses to RFPs, RFIs, RFQs, SOWs, PWSs, as well as contribute to proposal content including executive summaries, technical approaches, management volumes, past performance sections, and resumes. The ideal candidate brings strong proposal writing experience along with a practical understanding of AI and LLM capabilities, limitations, and best practices. This individual will play a key role in accelerating content development, improving proposal responsiveness, and helping teams apply AI responsibly and effectively across the proposal lifecycle. Success in this role requires the ability to thrive in a fast-paced, deadline-driven environment, adapt quickly to changing priorities, and maintain exceptional attention to detail. Candidates should be proactive, resourceful, and collaborative, with a willingness to support both virtual and in-person proposal activities. This position is based in Reston, VA. In-person support in the DMV area, including Reston, VA and Gaithersburg, MD, is required as needed for reviews, wall walks, and development sessions.

Requirements

Bachelor’s degree in English, Communications, Journalism, Business, Marketing, Technical Writing, Computer Science, or related field; equivalent experience may be considered.
5+ years of experience in proposal writing, proposal management support, technical writing, or business development content development.
Demonstrated success developing compliant proposal content in fast-paced, deadline-driven environments.
Strong expertise in AI, generative AI, and LLM platforms for proposal development content, including practical experience using them to draft, refine, summarize, and organize complex written material.
Strong understanding of prompt engineering, LLM strengths and limitations, hallucination risk, and human-in-the-loop review practices.
Exceptional writing, editing, and rewriting skills with the ability to tailor content to different audiences and evaluation criteria.
Proven ability to interpret solicitation requirements and convert them into structured outlines and responsive proposal content.
Experience working with SMEs and cross-functional teams to synthesize technical concepts into persuasive written responses.
High attention to detail, especially in compliance, quality control, grammar, and consistency.
Proficiency with Microsoft Office tools and common proposal collaboration platforms.

Nice To Haves

Experience supporting federal, health, defense, aerospace, public sector, or regulated industry proposals.
Familiarity with formal proposal development methodologies, e.g. Shipley.
Experience creating compliance matrices, storyboards, and content plans.
Ability to design or optimize AI-enabled proposal workflows, including prompt libraries, retrieval-assisted drafting, and content reuse strategies.
Experience evaluating or implementing governance for AI use in business development or proposal operations.
Familiarity with knowledge management, content libraries, and proposal automation tools.
Experience supporting large, complex, or multi-volume proposal responses.

Responsibilities

Analyze RFPs, RFIs, RFQs, SOWs, PWSs, and evaluation criteria to develop compliant proposal outlines, section structures, and annotated storyboards aligned to solicitation instructions and win strategy.
Use in-house and approved AI and LLM tools to accelerate drafting of proposal content, including executive summaries, management approaches, technical narratives, past performance summaries, and other response sections.
Refine AI-generated content into client-ready proposal material that is accurate, persuasive, compliant, and tailored to customer needs.
Build and maintain prompt libraries, content templates, style guides, and reusable AI-assisted workflows for proposal development.
Partner with capture managers, solution architects, SMEs, pricing, and proposal managers to gather information and convert technical input into clear, compelling prose.
Ensure all drafts meet compliance requirements, page allocation constraints, formatting instructions, and proposal quality standards.
Perform content gap analysis, review remediation support, and iterative draft improvement under tight deadlines.
Validate AI-assisted outputs for factual accuracy, consistency, tone, responsiveness, and alignment with approved solution strategies.
Recommend best practices for secure, ethical, and effective use of AI in proposal environments, including protection of sensitive, proprietary, and customer information.
Support continuous improvement of proposal operations through automation, workflow optimization, and knowledge management.