Mid-Level Proposal Writer

ORBIS is seeking a detail-oriented Mid-Level Proposal Writer to support our Business Development (BD) and Capture teams. This role is responsible for developing strategic, compelling, and customer-focused responses to Requests for Proposal (RFPs) in support of federal government contracts within the Intelligence Community.

The ideal candidate is a strong communicator who can work independently, think critically, and produce high-quality written content in a fast-paced environment while collaborating effectively with BD/Capture teams and Subject Matter Experts (SMEs) across the organization.

Duties & Responsibilities

• Develop, write, and edit proposal content with a focus on technical accuracy, compliance, and persuasive messaging (RFPs, RFIs, white papers, and related deliverables)
• Ensure adherence to proposal style guides, templates, and standards (voice, tone, terminology, acronyms, and formatting)
• Format proposal documents to meet submission requirements and maintain a professional presentation
• Maintain disciplined version control and configuration management practices to reduce risk and rework
• Review and refine content to ensure clarity, consistency, and alignment with customer requirements
• Collaborate with capture managers, SMEs, program managers, and business leaders to validate technical accuracy and messaging
• Support and participate in color team reviews (Pink, Red, Gold), including comment adjudication and action tracking
• Leverage AI tools to improve proposal quality, efficiency, and content development
• Identify and mitigate proposal risks across active opportunities

Education & Experience

• Active TS/SCI clearance - Poly is desirable
• Bachelor's degree in Journalism, Marketing, English, Communications, or a related field
• Minimum of 6+ years of proposal or grant writing experience, preferably supporting federal or Intelligence Community customers

Required Skills & Abilities

• Strong understanding of ORBIS mission, capabilities, and services
• Ability to manage the full RFP lifecycle from kickoff through submission
• Experience developing RFIs, white papers, and unsolicited proposals
• Proficiency in maintaining proposal repositories and reusable content libraries
• Advanced skills in Microsoft Office Suite (Word, PowerPoint, Excel)
• Experience with proposal tracking tools, compliance matrices, and SharePoint workflows
• Knowledge of Controlled Unclassified Information (CUI) requirements
• Excellent writing, editing, and proofreading skills with strong attention to detail
• Ability to translate complex technical input into clear, customer-focused narrative
• Strong organizational and time management skills with the ability to manage multiple priorities and deadlines
• Critical thinking skills and ability to work independently
• Willingness to adopt and integrate AI tools into proposal workflows

Desired Skills & Abilities

• Familiarity with Shipley or APMP methodologies
• Experience supporting federal government proposal efforts
• Knowledge of proposal development processes and compliance standards
• Background in marketing coordination or business development support
• Experience supporting industry engagement activities or events

Physical Requirements

• Prolonged periods of sitting and working at a computer
• Participation in virtual and in-person meetings
• Ability to work in classified environments for extended periods within the Washington Metropolitan Area

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status.