ECS is seeking a Senior Proposal Manager, FEDSIM to work in our Fairfax, VA office.

The Senior Proposal Manager, FEDSIM is responsible for shaping, structuring, and leading the lifecycle proposal development effort for proposals responding to AAS FEDSIM-managed federal procurements. This role sits at the intersection of proposal strategy, technical solutioning, and program design, as well as ensuring offerings are compliant, compelling, and aligned to both FEDSIM acquisition expectations and the customer agency’s mission outcomes.

The Senior Proposal Manager, FEDSIM partners closely with capture managers, solution architects, proposal managers, technical SMEs, contracts, subcontracts, operations, graphics, and pricing to translate customer needs into an integrated, executable solution that scores well under FEDSIM evaluation criteria.

Responsibilities:

Proposal Management and Architecture

• Lead the end-to-end proposal development process for large-scale, complex AAS-FEDSIM opportunities, ensuring compliance and clarity in technical, management, staffing, and governance submissions.
• Translate FEDSIM RFP requirements into a cohesive, compliant response framework
• Ensure alignment across volumes (Technical, Management, Transition, Staffing, Corporate Experience, KPMQs, and Cost/Price)

FEDSIM-Specific Expertise

• Mature ECS’ FEDSIM response capability as a Proposal Organization’s Center of Excellence (COE), championing new strategies and processes to create best practices for the company’s FEDSIM opportunities.
• Interpret and apply FEDSIM acquisition strategies, evaluation criteria, and compliance requirements
• Design solutions aligned to GSA contract vehicles (e.g., Alliant, OASIS, etc.)
• Account for multi-stakeholder environments (FEDSIM + customer agency)

Collaboration & Leadership

• Partner with Capture Managers during pre-RFP and shaping activities
• Lead storyboarding sessions, and pink/red team preparations
• Guide SMEs to ensure inputs are consistent, concise, and evaluation-focused
• Support proposal reviews and address evaluator risks and weaknesses
• Provide coaching and mentoring to writers and leads, reinforcing best practices for FEDSIM oral presentations and technical challenges.
• Collaborate with ECS’ GWAC and IDIQ Center PMO and Contracts Department to shape, manage, and anticipate GSA AAS pipeline of opportunities.

Risk, Compliance & Quality

• Identify technical, schedule, and programmatic risks and develop mitigation strategies
• Ensure solution is executable, scalable, and defensible
• Create and manage compliance matrices, gap analysis, and traceability

• Bachelor’s degree in Communications, English, Journalism, Computer Science, Management, Business, or related field (or equivalent experience)
• 10+ years of federal proposal experience, including 2+ years managing, planning, writing, reviewing, editing, and responding to AAS FEDSIM solicitations in a lead position
• 3+ years demonstrated experience large, complex IT, or systems integration program proposals
• Demonstrated experience managing and coaching oral AAS FEDSIM proposals.
• 5+ years of experience supporting government IT program delivery for Defense, Intelligence Community, and Federal Civilian clients
• Deep understanding of:
• Federal acquisition lifecycle
• FEDSIM procurement processes
• GSA contract vehicles
• Proven ability to translate ambiguous requirements into structured solutions
• Strong written and verbal communication skills, including communicating effectively with both senior executives and all ranges of proposal team members and contributors, as well as teaming partners.
• Proposal storytelling and evaluator mindset
• Cross-functional leadership and influence
• Attention to detail and deadline-driven execution
• Comfort operating in high-pressure proposal environments
• While this role offers remote flexibility, occasional travel to ECS offices in Fairfax, VA, and the Washington, DC metro area may be required to support solutioning and is required in support of executing live proposal opportunities.