Proposal Manager

Meet Slingshot

At Slingshot Aerospace,we'reon a mission to make space safer and more securefor everyone. Our work directlyimpactsglobal security, disaster response, climate monitoring, and the critical infrastructure that connects our world.We'rea team of builders, thinkers, and problem-solvers who believe that the next generation of space operations will be powered by better data and smarter software. We move fast,we'renot afraid to fail, and we believe the best ideas can come from anywhere-whetheryou'rein engineering, sales, product, or operations. If you want to work on something that truly matters, with people who care deeply about the impactwe'remaking and help shape the future of an industrythat'sjust getting started,you'rein the right place.

WhatYou'llBe Launching

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.

We'rebuilding a team of sharp, creative people who love solving hard problems. We value curiosity over ego, initiative over waiting for permission, and people who genuinely care about doinggreat work. Bring yourexpertise, your fresh ideas, and your drive-we'llbring the rocket fuel.

Your Mission (Should you choose to accept it)

• 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

Pre-flight Checklist

• Bachelor's degree in Business, Communications, English, Technical Writing, or a related field, or equivalent experience
• Typically4-7 years of experience in proposal management, proposal coordination, or related roles, or equivalentproficiency
• 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

Bonus Cargo

• 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

We'rebuilding a constellation here, not looking for identical satellites. Every member of the team brings different capabilities to the same mission. If your orbit intersects with ours andyou'remission-ready, send it.

Location: Remote

Salary: $125,000-$150,000 USD