Proposal Manager

Jul 02, 2026 Who We Are Sellers & Associates, LLC (S&A) is a Veteran Owned Small Business (VOSB) that provides effective and affordable Programmatic and Engineering Support Services and Solutions to our Government and Commercial Clients. We work directly with our clients taking the time to understand their culture and requirements designing a custom solution tailored to meet their unique needs at an affordable price without sacrificing quality. Our specialties include Program/Engineering Management, Training/Training Technology, Technology/Product Development Strategy and Analysis, Project Management (Cost, Schedule, Scope & Quality), and Strategic Planning applied within our clients' unique domains and context. We have Medical, Dental, Vision, 401k with company match. Long/Short Term Disability and Life Insurance. 25 days of PTO per year. Employees may choose to work or take PTO on Federal Holidays (pending contract requirements). We also offer a TRICARE Supplement Insurance Package as well as Tuition Reimbursement up to $5,250 per year for areas of study relevant to employee position responsibilities and opportunities for professional growth. Position Description Job Title / Labor Category Title Proposal Manager Location Chesapeake, VA 23320 US Plant City, FL US SELLERS & ASSOCIATES - US (Primary) Security Clearance Requirements Must be Able to Obtain a Clearance Job Description Sellers & Associates, LLC (S&A) is seeking a Proposal Manager to join our team in either Chesapeake, VA or Plant City, FL. The Proposal Manager is responsible for developing and managing proposals within the Government Contracting environment, specifically focusing on various Government Wide Acquisition Contracts (GWACs) and associated contract vehicles. This role involves working closely with technical leads, subject matter experts (SMEs), writers, reviewers, line operations, and teaming partner contacts to develop compliant and compelling proposals. The Proposal Manager will lead, manage, and execute collaborative processes to ensure timely and quality completion of proposals in response to Department of Defense (DoD) Requests for Proposals (RFPs). Responsibilities Lead, manage, and execute the development, production, and coordination of technical proposals in response to DoD RFPs. Develop and manage requirements and compliance matrices, bid and proposal schedules, and prepare and facilitate proposal kick-off meetings. Delegate and communicate clear writing assignments, instructions, and schedules to the proposal team, driving on-time quality completion of component assignments. Lead color team reviews, including Blue Team, Pink Team, and Red Team, and prepare packages for White Glove package preparation, review, and adjudication. Assist in pricing strategy development, competitive pricing analyses, cost build-ups, and Green Team reviews. Apply experience and expertise to integrate actions and overarching processes across the business development spectrum, from market segmentation to post-award transition and execution. Apply project/program planning and detailed schedule development, monitoring, and control to provide disciplined management and oversight. Rapidly identify and mitigate emergent risks while ensuring compliance with milestone requirements. Support pre-RFP release actions, including capture strategy development, capture plan build-up, call-plan development and execution, and proposal readiness reviews. Develop technical approach/corporate experience narratives, sample/hypothetical task responses, management approaches/plans, transition plans, quality control plans, staffing plans, key personnel resumes, reference information sheets, past performance narratives, and past performance questionnaires. Collaborate with cross-functional teams to ensure accurate and timely completion of proposal tasks. Maintain strong oral and written communication and interpersonal skills, relationship development, analytical, problem-solving, organizational, and schedule management experience. Basic Qualifications Bachelor's degree in a relevant field preferred. 2-5+ years of experience managing the development, production, and coordination of technical proposals in response to DoD RFPs. Proven track record of developing and managing winning proposals for U.S. Navy, U.S. Coast Guard, U.S. Army, and other DoD or Federal Civilian agencies. Strong understanding of the end-to-end business development lifecycle, from market segmentation through post-award transition and execution. Experiencedeveloping and managing requirements and compliance matrices, bid and proposal schedules, and facilitating proposal kick-off and color team review meetings (e.g., Blue, Pink, Red, and White Glove reviews). Familiarity with GWACs and contract vehicles such as SeaPort NxG, GSA MAS, OASIS, and SBIR, including associated requirements and processes. Excellent communication, interpersonal, and leadership skills, with the ability to manage multiple priorities and meet tight deadlines. Strong analytical, problem-solving, organizational, and schedule management skills, with the ability to rapidly identify and mitigate risks while ensuring milestone compliance. Preferred Qualifications Advanced degree in a related field. Experience in similar roles with small and mid-size businesses in the defense industry. Experience in pricing strategy, competitive pricing analyses, cost build-up, and Green Team reviews. Experience supporting capture strategy development, capture plan build-up, call-plan development and execution, and proposal readiness reviews. Professional certifications in proposal management or business development. Travel %: 10 - 20% Sellers and Associates, LLC is an E-Verify company and an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or protected veteran status and will not be discriminated against on the basis of disability. #J-18808-Ljbffr