Senior Proposal Manager

Senior Proposal Manager

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts nowbe extraordinary at MANTECH!

MANTECH seeks a highly skilled Senior Proposal Manager to join our Strategic Pursuit Proposal Operations team in Herndon, VA. This is a hybrid position.

This individual will lead the end-to-end proposal process for large-scale, complex AAS-FEDSIM opportunities and will be responsible for orchestrating winning proposal efforts in alignment with FEDSIM requirements, ensuring compliance, clarity, and competitiveness in every submission. You will play a pivotal role in translating customer needs into compliant, compelling, and high-quality proposal responses that showcase our technical expertise and ability to deliver mission success.

Responsibilities include but are not limited to:

• Lead the full proposal lifecycle for FEDSIM acquisitions, including schedule management, compliance tracking, and post-submission activities.
• Develop and enforce detailed compliance matrices, ensuring alignment with solicitation requirements, evaluation factors, and FEDSIM standards.
• Facilitate structured color team reviews (Pink, Red, Gold, White Glove) and ensure proposals align with capture strategies and win themes.
• Collaborate with capture managers, solution architects, pricing leads, SMEs, and subcontractors to shape strategy and integrate compliant, compelling content.
• Oversee the development of written volumes and presentation materials (technical, management, scenario, cost/price), ensuring clarity, compliance, and polished visuals.
• Provide coaching and mentoring to writers and leads, reinforcing best practices for FEDSIM oral presentations, technical challenges, and continuous quality improvement.

Minimum qualifications:

• 8+ years of experience managing proposals for Federal government acquisitions, and a strong track record of working FEDSIM pursuits.
• Deep knowledge of FEDSIM procurement processes, including slide/oral presentations and technical edits, technical challenges, and written volume requirements.
• Proven ability to manage cross-functional teams under tight deadlines in a collaborative, fast-paced environment.
• Strong organizational and leadership skills with meticulous attention to detail.
• Proficiency with proposal tools and platforms (e.g., SharePoint, MS Teams, Adobe Acrobat, Google, and MS Office Suite).

Security clearance requirements:

• U.S. Citizen

Physical requirements:

• Office-based work with extended periods of sedentary activity and occasional movement
• Travel by car or air to attend meetings and conferences as needed
• Frequent communication with colleagues, management, and clients, including presentation delivery and accurate information exchange

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.