Sr. Proposal Manager

Benefits

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Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs. Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Seneca Holdings is seeking a highly experienced Senior Proposal Manager (Proposal Manager III) to lead the development and delivery of complex federal government proposals supporting both Department of Defense (DoD) and Federal Civilian agencies. This role is responsible for managing multiple high-value competitive proposal efforts simultaneously, leading cross-functional proposal teams through the full proposal lifecycle, and ensuring the delivery of fully compliant, compelling, and strategically aligned proposals that position the company for contract awards. The Senior Proposal Manager plays a critical leadership role in translating capture strategies into winning proposals and coordinating technical, management, pricing, and executive stakeholders across the organization. This position requires deep expertise in federal competitive procurements, Shipley-based proposal management practices, and oral presentation preparation for technical evaluations and challenges. Responsibilities include, but are not limited to : Federal Competitive Proposal Leadership Lead the full lifecycle of complex federal competitive proposals from pre-RFP planning through submission and post-submission activities. Manage multiple concurrent proposal efforts ranging from $10M to $500M+, ensuring strict adherence to proposal schedules, compliance requirements, and quality standards. Develop proposals for GWACs, IDIQs, BPAs, and large multi-award contract vehicles. Translate capture strategies, win themes, customer hot buttons, and discriminators into compelling proposal structures aligned with Section L and Section M evaluation criteria. Develop and manage detailed proposal schedules, compliance matrices, annotated outlines, and proposal management plans. Proposal Support Team Leadership Direct and coordinate cross-functional proposal teams including writers, BD leads, capture managers, technical subject matter experts, contracts, pricing teams, subcontractors, and executive leadership. Facilitate proposal kickoff meetings, strategy sessions, storyboarding workshops, and daily proposal progress meetings. Drive accountability across the proposal team to ensure timely delivery of high-quality, compliant content. Facilitate pre-proposal preparation activities for all assigned competitive and recompete opportunities. Proposal Development and Quality Management Ensure proposals are fully compliant, compelling, and responsive to solicitation requirements while clearly communicating the company's strengths and differentiators. Oversee development and integration of technical, management, staffing, and past performance volumes. Conduct detailed reviews of proposal drafts to ensure clarity, accuracy, consistency, and alignment with evaluation criteria and make actionable recommendations to SMEs and writers on how to improve or strengthen the content. Structured Proposal Review Process Lead structured proposal reviews including Pink Team, Red Team, Gold Team, and RFI Reviews in accordance with industry best practices. Facilitate incorporation of review feedback and ensure continuous improvement throughout the proposal lifecycle. Oral Presentations and Technical Challenges Lead preparation for oral proposal presentations and technical challenges, including: Development of presentation storylines and slide content Coordination of visual storytelling and graphics development Speaker coaching and rehearsal facilitation Conducting timed rehearsals and mock evaluation panels Collaboration with Capture and Business Development Partner closely with capture managers and business development leadership to ensure alignment between capture strategy and proposal execution. Support opportunity qualification and proposal readiness activities during the capture phase. Assist with review of RFPs, RFIs, and draft solicitations to inform capture and proposal strategies. Proposal Operations a

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