• The Proposal Consultant serves as the end-to-end Proposal Manager for the GSA OASIS+ contract opportunity, with full responsibility for planning, developing, managing, and delivering a compliant, high-quality, on-time proposal in accordance with GSA solicitation requirements. • This role owns the entire proposal lifecycle—from capture support through final submission—ensuring strict compliance with Section L instructions, Section M evaluation criteria, FAR requirements, and OASIS+ domain-specific expectations. • Serve as single point of accountability for the OASIS+ proposal effort across all domains pursued. • Develop and execute the Proposal Management Plan, including schedule, milestones, color reviews, compliance gates, and final production. • Lead kickoff meetings, daily stand-ups, and executive reviews to maintain schedule discipline and decision velocity. • Manage proposal risks, issues, and dependencies; implement mitigation strategies proactively. • Own Section L compliance matrices, ensuring 100% adherence to instructions, page limits, formatting, and submission requirements. • Map proposal content directly to Section M evaluation factors to maximize adjectival ratings. • Conduct and lead Pink, Red, Gold, and Final reviews, incorporating evaluator-style feedback. • Ensure alignment with FAR, GSA OASIS+ solicitation guidance, and Small Business requirements (as applicable). • Lead or directly author core volumes, including: Technical & Management Approach, Staffing & Key Personnel, Corporate Experience & Past Performance, Transition & Risk Management. • Translate capture inputs into clear, evaluator-focused win themes and discriminators. • Ensure consistent voice, tone, terminology, and messaging across all volumes. • Manage and coordinate all contributors (SMEs, executives, teaming partners, subcontractors). • Enforce deadlines and accountability across internal and external teams. • Integrate teaming partner inputs while maintaining compliance, cohesion, and narrative consistency. • Oversee final document production, formatting, and quality assurance. • Manage proposal artifacts, version control, and file integrity. • Execute final electronic submission via GSA-designated portals in strict accordance with instructions.