International Capture and Proposals Manager

Meet Slingshot

At Slingshot Aerospace, we're on a mission to make space safer and more secure for everyone. Our work directly impacts global security, disaster response, climate monitoring, and the critical infrastructure that connects our world. We're a 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're not afraid to fail, and we believe the best ideas can come from anywhere whether you're in engineering, sales, product, or operations. If you want to work on something that truly matters, with people who care deeply about the impact we're making and help shape the future of an industry that's just getting started, you're in the right place.

What You’ll Be Launching

Slingshot Aerospace is looking for a Capture and Proposals Manager to support the growth of our international business. This role plays is crucial for us to meet the demand from our customers for the capabilities an services we provide. As part of our International Growth team you will work closely with the rest of the company to ensure Slingshot consistently delivers the best response to our global customers. We can promise that the work will be varied dealing with ‘rapid-turn’ proposals and strategic longer-term bids. The role will be diverse, and you will have an impact.

This position is well suited to someone who has worked in proposals or capture support for a few years and is now ready to take the next step and looking for more authority and greater responsibility.

We're building 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 doing great work and delivering for our partners. Bring your expertise, your fresh ideas, and your drive. We'll bring the rocket fuel.

Your Mission (Should you choose to accept it)

• Lead the preparation and coordination of proposals, RFP responses, RFIs, and related opportunity submissions for international customers


• Manage proposal timelines, schedules, and deliverables to ensure high-quality and compliant and coordinate across the company on capture activities to align strategy, messaging, and win themes


• Coordinate inputs from cross-functional stakeholders


• Ensure proposals clearly articulate the value of Slingshot’s Space Operations Intelligence and Autonomy offerings


• Maintain proposal documentation, templates, and knowledge repositories for all international captures


• Identify opportunities to improve proposal processes and help strengthen Slingshot’s international bid capability

Pre-flight Checklist

• Experience supporting or managing proposal development, bids, or capture activities


• Ability to manage multiple opportunities and deadlines in a fast-paced environment


• Strong project management and organizational skills


• Excellent written communication and document coordination skills


• Experience working with cross-functional teams to assemble proposal responses


• Familiarity with responding to RFIs, RFPs, or similar procurement processes


• Ability to work independently while collaborating with distributed teams

Bonus Cargo

• Experience supporting both ‘quick-turn’ proposals and complex strategic bids


• Familiarity with government, defense, or public-sector procurement


• Experience working across international teams or regions


• Exposure to aerospace, space, satellite data, defense, or advanced analytics industries


• Experience with proposal management tools, CRM systems, or opportunity tracking platforms

Location: Remote (United Kingdom) 

US-based Candidates: we are currently only able to hire residents of the following U.S. states: AL, AZ, CA, CO, DC, FL, GA, HI, IL, IN, KS, MA, MD, MI, MN, MO, MT, NC, NJ, NM, NV, NY, OH, OK, OR, RI, TN, TX, UT, VA, WA, WI, WV We are unable to consider candidates residing in other U.S. states at this time.

Internationally-based Candidates: we are currently only able to hire residents of the following locations: United Kingdom. We are unable to consider candidates residing in other countries at this time.

Equity, Diversity & Inclusion are key to our success. We are an Equal Opportunity Employer and our employees are people with different strengths, experiences, and backgrounds, who share a passion for creating a safer, more connected world. Diversity not only includes race and gender identity, but also national origin, citizenship, sex, color, veteran status, disability, genetic information, or any other protected characteristic that is part of one’s identity. All of our employees’ points of view are key to our success, and we embrace individuality.