Proposal Manager

At SES Space & Defense, we deliver secure, resilient connectivity and integrated space solutions for customers operating in the world's most demanding environments. As part of SES S.A., a global leader in satellite-enabled communications, we combine capabilities across all orbits with extensive global ground infrastructure, managed networks, hosted payload solutions, and mission integration services to support communications, sensing, data transport, and operational resilience worldwide.

Our vertically integrated space and ground capabilities bring together satellite capacity, terrestrial infrastructure, advanced network technologies, and deployed user terminals to support mission-critical government operations around the world. We are a trusted partner to the U.S. Federal Government and national security community, allied governments, NATO, NASA, and other civilian agencies, delivering reliable, high-performance solutions when mission success is critical.

At SES Space & Defense, our people are our competitive advantage. You'll work alongside a mission-driven team committed to integrity, innovation, accountability, and delivering real-world impact for customers whose missions matter most.

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As a Proposal Manager at SES Space & Defense, you will lead and coordinate the development of high-quality, compliant, and competitive proposals supporting U.S. Government and other customer opportunities. You will manage the proposal lifecycle from initial RFP review and planning through proposal development, reviews, final submission, and post-submission activities, ensuring each response meets customer requirements, submission instructions, and SES Space & Defense's standards for quality and professionalism.

Working closely with Business Development, Capture, Program Management, technical subject matter experts, and proposal support teams, you will organize contributors, manage schedules and deliverables, and ensure capture strategies are translated into compelling proposal content. You will play a central role in maintaining proposal quality, compliance, and execution discipline while helping strengthen the processes, tools, and resources used to support future pursuits.

• Manage and coordinate proposal development and submissions in accordance with SES Space & Defense proposal processes, ensuring compliance with customer requirements, RFP instructions, and internal quality standards.
• Organize and lead proposal teams, defining roles, responsibilities, assignments, and deliverables while coordinating with internal stakeholders, remote contributors, and external consultants throughout the proposal lifecycle.
• Develop and manage comprehensive proposal plans, including schedules, writing assignments, outlines, volume structures, milestones, reviews, and submission requirements.
• Lead RFP reviews to identify customer requirements, evaluation criteria, compliance obligations, and opportunities for questions or clarifications.
• Work with volume leads and technical contributors to develop proposal outlines and content structures aligned with RFP instructions and evaluation requirements.
• Plan and conduct proposal kickoff meetings, establish team expectations, and provide proposal process training as needed.
• Coordinate with Business Development, Capture, and Program Management to transition capture information, strategies, and customer insights into proposal development.
• Ensure capture and proposal strategies are reflected in win themes, proposal storyboards, section themes, and supporting content.
• Schedule, coordinate, and lead color team reviews and other proposal assessments, including Black Hat, Blue Team, and additional reviews as appropriate. Track feedback, coordinate revisions, and maintain proposal baselines throughout development.
• Coordinate proposal support resources, including desktop publishing, graphics, technical writing, and collaborative tools such as SharePoint, to support proposal development and production.
• Monitor proposal progress, identify schedule or resource constraints, resolve coordination issues, and maintain communication across contributors to ensure deadlines and quality expectations are met.
• Manage final proposal production and submission, including compliance checks, delivery confirmation, evaluation notices, and Best and Final Offer (BAFO) submissions when required.
• Establish and maintain effective communication and collaboration among proposal team members, including…