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Weekend Proposal Writer Contract Jobs in Washington

Brillient

Senior Proposal Writer

Reston, VA · On-site

Collaborate with Contracts, Pricing, and BD leadership to ensure proposal coherence across all ... Mentor junior writers and proposal coordinators; help build a culture of proposal excellence across ...

Arcfield

Senior Proposal Writer

Chantilly, VA · On-site

Writes, rewrites, and edits documents in response to full lifecycle proposal requirements ... Contract Wage Determination, relevant work experience, skills and competencies that align to the ...

Prudent Technology

Technical IT Proposal Writer

Mclean, VA · On-site

$85K - $100K/yr

... contract opportunities. This encompasses all aspects of the response, such as Executive Summaries ... Flexibility to work evenings and weekends when necessary to meet writing deadlines or coordinate ...

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All JobsProposal Writer Contract JobsWeekend Proposal Writer Contract JobsWeekend Proposal Writer Contract Jobs in Washington

Weekend Proposal Writer Contract information

What is the difference between Weekend Proposal Writer Contract vs Weekend Grant Writer Contract?

AspectWeekend Proposal Writer ContractWeekend Grant Writer Contract
CredentialsRelevant writing, proposal, or grant experience; sometimes certifications in grant writingSimilar credentials; often requires grant writing certifications or experience
Work EnvironmentRemote or freelance; project-basedRemote or freelance; project-based
Industry UsageNonprofits, government agencies, businesses seeking proposalsNonprofits, research institutions, government agencies seeking grants
Search & Comparison IntentCompare proposal writing roles for projects or contractsCompare grant writing roles for funding applications

Both roles involve specialized writing skills, often in a remote or freelance setting. The main difference is that Proposal Writers focus on creating proposals for projects or contracts, while Grant Writers concentrate on securing funding through grant applications. Understanding these distinctions helps job seekers find the right opportunity based on their skills and career goals.

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Infographic showing various Weekend Proposal Writer Contract job openings in Washington as of August 2026, with employment types broken down into 2% As Needed, 67% Full Time, 27% Part Time, 3% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.

Senior Proposal Writer

Brillient

Reston, VA • On-site

Other

Re-posted 8 days ago

Job description

Brillient is seeking an exceptional Senior Proposal Writer who doesn't just produce compliant responses - they produce winning ones. This individual will serve as the cornerstone of our proposal development effort, partnering with capture managers, technical SMEs, and leadership to craft compelling, evaluator-focused narratives that differentiate Brillient in competitive federal procurements. This is a hands-on, high-impact role for a practitioner who thrives in deadline-driven environments, can rapidly absorb complex technical solutions, and knows how to translate dense technical content into prose that scores. You will own proposal volumes end-to-end - from strategy and outline through final production - across FedCiv, Health, DoD, and product/software sales opportunities.
This position follows a hybrid schedule, candidates must be local to the National Capital Region.
Job Duties:
Proposal Leadership & Writing
  • Lead end-to-end development of proposal volumes including Technical, Management, Past Performance, and Executive Summaries for competitive federal procurements
  • Translate complex technical solutions - often developed by engineers, architects, and subject matter experts - into clear, compelling, and evaluator-friendly narrative
  • Drive proposal strategy sessions, storyboards, and win theme workshops to ensure every response tells a coherent, differentiated story from cover to cover
  • Write, edit, and red-team proposal content to maximize compliance, quality, and discriminating score potential
  • Develop and maintain reusable content libraries: boilerplate, past performance write-ups, executive bios, capability statements, and standard proposal sections
  • Experience utilizing a myriad of proposal development tools, including AI, as a force multiplier

Collaboration & Solutioning
  • Partner closely with technical leads, architects, and program managers to extract solution details and shape them into proposal-ready content under time pressure
  • Facilitate structured interviews and working sessions with SMEs who may not be experienced proposal contributors - you know how to draw out the gold
  • Support capture strategy by contributing to competitive analysis, win theme development, teaming strategy narratives, and color team preparation
  • Collaborate with Contracts, Pricing, and BD leadership to ensure proposal coherence across all volumes and attachments Product & Software Proposals
  • Develop compelling value propositions and narrative for proposals involving Brillient software products and SaaS/platform solutions sold into the federal market
  • Articulate software capabilities, implementation approaches, and ROI in terms that resonate with both technical evaluators and contracting officers
  • Support responses to RFIs, Sources Sought, and capability-based market engagements for product lines

Process & Quality
  • Enforce proposal development best practices including compliance matrices, schedule management, annotation, and color review milestones
  • Identify and flag proposal risks - staffing gaps, unclear requirements, solution weaknesses - early and constructively
  • Conduct post-submission lessons-learned reviews and debrief analysis to continuously sharpen Brillient's proposal quality
  • Mentor junior writers and proposal coordinators; help build a culture of proposal excellence across the BD team

Required Education and Qualifications:
  • Bachelor's degree in Communications, English, Journalism, Business, Marketing, Technical Writing, or a related field. Equivalent combination of education and relevant federal proposal experience will also be considered.
  • Minimum six (6) years of federal proposal writing experience with a demonstrated track record of wins across competitive procurements
  • U.S. Citizenship required; ability to obtain and maintain a government security clearance required
  • Direct, hands-on writing experience across FedCiv, Federal Health (HHS, CMS, NIH, VA, etc.), and DoD customers - not just team support, but volume ownership
  • Proven ability to work with highly technical solution teams (software engineers, cloud architects, data scientists) and distill complex approaches into high-scoring proposal prose
  • Deep familiarity with FAR-based acquisitions, LPTA and Best Value trade-off source selections, and the mechanics of federal evaluation criteria
  • Proficiency with the Shipley proposal development process or equivalent methodology
  • Strong command of proposal compliance: RFP decomposition, compliance matrices, and PWS/SOW cross-referencing
  • Ability to manage multiple concurrent proposals with competing deadlines - without sacrificing quality
  • Exceptional written English: clear, active-voice, discriminating prose that evaluators want to read

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