Proposal Manager

Slingshot Aerospace

11d•Remote

About The Position

As a Proposal Manager, you will independently manage the full lifecycle of government and commercial proposals of moderate size and complexity. You will serve as the central organizer and driver of proposal efforts, translating solicitation requirements into clear plans, coordinating cross-functional contributors, and ensuring compliant, high-quality, and on-time submissions. In this Individual Contributor role, you will apply established proposal management practices while exercising sound judgment in moderately ambiguous situations. You will partner closely with Business Development, Capture, Technical, Pricing, and Contracts teams to execute proposals that support company growth and customer success.

Requirements

Bachelor’s degree in Business, Communications, English, Technical Writing, or a related field, or equivalent experience
Typically 4–7 years of experience in proposal management, proposal coordination, or related roles, or equivalent proficiency
Experience managing proposals in a government contracting or regulated environment
Demonstrated ability to independently manage multiple deadlines and priorities
Strong written communication, editing, and document organization skills
Experience working cross-functionally with technical, business, and operational teams
Proficiency with Microsoft Word, Excel, and PowerPoint
Ability to work effectively in a fast-paced, deadline-driven environment
Ability to obtain or maintain a U.S. Government security clearance, if required

Nice To Haves

Experience with federal acquisition processes and solicitation compliance
Familiarity with proposal management tools, content libraries, or automation platforms
APMP certification or progress toward certification
Experience supporting DoD, Intelligence Community, or civilian federal customers
Comfort working in a growth-stage or startup environment
Experience participating in structured proposal reviews and evaluation processes

Responsibilities

Manage end-to-end proposal execution from kickoff through submission for assigned opportunities
Analyze RFPs, RFIs, and RFQs to develop compliance matrices, outlines, schedules, and proposal plans
Lead proposal kickoffs, status meetings, and internal reviews to drive accountability and progress
Coordinate content development with subject matter experts across technical, management, pricing, and legal functions
Ensure proposal content is compliant, clear, consistent, and aligned to win themes and customer priorities
Perform proposal editing and content integration to deliver a cohesive final submission
Track risks, dependencies, and action items, escalating issues appropriately
Support color team reviews and incorporate feedback into proposal revisions
Apply and maintain proposal templates, content libraries, and standard processes
Contribute to continuous improvement of proposal practices, tools, and documentation
Perform other duties as assigned, representing less than 10% of responsibilities