Mid-Senior Proposal Manager, Hybrid-eligible - Chantilly - GTSC

    GTSC
    GTSC Chantilly

    1 day ago

    Description
    About GTSC GTSC is a fast-growing federal IT services contractor supporting civilian and DoD customers across IT modernization, cybersecurity, data, systems engineering, and mission support. We are investing deliberately in our growth organization to improve proposal quality, execution rhythm, and win consistency across complex, high-value pursuits. Location: Chantilly, Virginia, Hybrid-eligible Role Overview GTSC is seeking a Mid–Senior Proposal Manager to lead large, complex federal proposals in the $35M–$50M range across a mixed civilian and defense portfolio. This role owns proposal execution end-to-end and plays a key role in improving proposal discipline, predictability, and quality as GTSC scales. You will work closely with Capture Managers, technical leaders, partners, and executives to deliver compliant, compelling proposals-while helping standardize and continuously improve GTSC's proposal processes. Key Responsibilities
    • Lead and manage multiple federal proposal efforts from kickoff through submission
    • Develop proposal schedules, outlines, compliance matrices, and writing assignments
    • Drive proposal cadence, daily standups, and internal reviews
    • Ensure full compliance with RFP requirements and evaluation criteria
    • Coordinate writers, SMEs, partners, and subcontractors across the proposal lifecycle
    • Author or refine proposal sections (e.g., management approach, executive summaries) as needed
    • Leverage AI/LLM tools to improve drafting efficiency, content quality, and compliance checks
    • Improve proposal rhythm, reduce fire drills, and raise overall submission quality
    • Capture lessons learned and contribute to reusable proposal content and standards
    What Success Looks Like in the First 12 Months
    • Successfully leads multiple major proposals through submission
    • Improves proposal execution rhythm and predictability
    • Raises quality, compliance, and evaluator readability
    • Reduces last-minute churn and unmanaged risk
    • Becomes a trusted execution partner to Capture and Growth leadership
    Required Qualifications
    • Bachelor's degree or equivalent experience
    • 5+ years of federal proposal management or closely related experience
    • Experience leading large, complex proposals ($35M+)
    • Strong understanding of federal RFP structures and compliance
    • Ability to manage cross-functional teams under deadline
    • Proficiency with Microsoft 365 and collaborative proposal environments
    • Comfort using AI/LLM tools to support proposal development
    Preferred Qualifications
    • Experience supporting both FedCiv and DoD customers
    • Familiarity with Shipley or similar proposal methodologies
    • Experience with IDIQs, GWACs, and task-order-based proposals

    GTSC is proud to be an equal opportunity employer, committed to recruiting, hiring, and promoting qualified people of all backgrounds, regardless of sex; race; color; creed; national origin; religion; age; marital status; pregnancy; physical, mental or sensory disability; sexual orientation; gender identity or any other basis protected by federal, state or local law. Learn more about your EEO rights as an applicant.
    GTSC is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. If you have a disability and require assistance with our online application process, please tell us how we can help by contacting us at
    Note: This accessibility is intended for individuals requiring accommodations and should not be used to check on the status of your application. Inquiries not specific to requesting accommodation will be discarded.
    GTSC participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.

    Employment in this position is contingent upon the successful completion of a background check. Depending on the nature of the job duties or requirements set forth by our government clients, additional screenings such as drug testing and/or credit checks may be required. These checks are conducted in accordance with all applicable federal, state, and local laws.

  • Senior Capture Manager, Hybrid-eligible (GT25121607)

    1 month ago

    Only for registered members Chantilly Full time

    GTSC is strengthening its capture discipline to support sustained growth across large-scale federal opportunities. We are seeking a senior Capture Manager who can both execute complex captures and help mature our capture processes across the company. · ...

  • Senior Capture Manager, Hybrid-eligible (GT25121607)

    1 month ago

    Only for registered members Chantilly, VA

    About GTSC is strengthening its capture discipline to support sustained growth across large-scale federal opportunities. We are seeking a senior Capture Manager who can both execute complex captures and help mature our capture processes across the company. · Bachelor's degree or ...

  • Mid–Senior Proposal Manager, Hybrid-eligible (GT25121613)

    1 month ago

    Only for registered members Chantilly $90,000 - $140,000 (USD)

    GTSC is seeking a Mid-Senior Proposal Manager to lead large, complex federal proposals in the $35M-$50M range across a mixed civilian and defense portfolio. · ...

  • Mid–Senior Proposal Manager, Hybrid-eligible (GT25121613)

    1 month ago

    Only for registered members Chantilly Full time

    · ...

  • Mid–Senior Proposal Manager, Hybrid-eligible (GT25121613)

    1 month ago

    Only for registered members Chantilly, VA

    GTSC is seeking a Mid–Senior Proposal Manager to lead large, complex federal proposals in the $35M–$50M range. · Lead and manage multiple federal proposal efforts from kickoff through submission · Develop proposal schedules, outlines, compliance matrices, and writing assignments ...

  • Hybrid Tax Manager

    38 minutes ago

    Only for registered members Fairfax

    This is a great opportunity for tax professionals to grow their careers with real leadership runway and partnership upside in a hybrid schedule that gets even more flexible outside of busy season. The role involves diverse, complex tax work that stays interesting and builds exper ...

  • Hybrid Tax Manager

    3 days ago

    Only for registered members Fairfax, Virginia, United States

    This is a great opportunity for tax professionals with experience in public accounting and leadership skills. The firm offers a hybrid schedule and flexible work environment during busy season. ...

  • Eligibility Data Project Manager

    1 month ago

    Only for registered members Washington, DC

    The Project & Data Manager for Eligibility Services will solicit and analyze requirements for data requests and projects, propose solutions, define project scope and acceptance criteria, and work with internal and external experts to ensure success. · This role uses data and anal ...

  • AI Product Manager Hybrid

    2 weeks ago

    Only for registered members Reston

    We are seeking an AI Product Manager for a long-term contract in Reston, VA.Develops and Implements strategy for the company's product line. · ...

  • AI Product Manager Hybrid

    2 weeks ago

    Only for registered members Reston, VA

    Vega Consulting Solutions is seeking an AI Product Manager for a long term Contract in Reston, VA. · Develops and Implements strategy for the company's product line and is responsible for the product planning and execution throughout the Product Lifecycle. · ...

  • Eligibility & Finance Clearance (HYBRID), Day Shift, Patient Financial Services

    3 days ago

    Only for registered members Gaithersburg Full time $19.64 - $25.65 (USD)

    Adventist HealthCare seeks to hire an experienced Patient Financial Advisor who will embrace our mission to extend God's care through the ministry of physical, mental and spiritual healing. · ...

  • Eligibility & Finance Clearance (HYBRID), Day Shift, Patient Financial Services

    1 day ago

    Only for registered members Gaithersburg, MD

    Adventist HealthCare seeks to hire an experienced Patient Financial Advisor who will embrace our mission to extend God's care through the ministry of physical, mental and spiritual healing. · ...

  • Eligibility & Finance Clearance (HYBRID), Day Shift, Patient Financial Services

    2 days ago

    Only for registered members Gaithersburg, MD

    Adventist HealthCare seeks to hire an experienced Patient Financial Advisor who will embrace our mission to extend God's care through the ministry of physical, mental and spiritual healing. · ...

  • Eligibility & Finance Clearance (HYBRID), Day Shift, Patient Financial Services

    3 days ago

    Only for registered members Gaithersburg $19.64 - $25.65 (USD)

    Adventist HealthCare seeks to hire an experienced Patient Financial Advisor who will embrace our mission to extend God's care through the ministry of physical, mental and spiritual healing. · ...

  • HYBRID Project Manager

    1 month ago

    Only for registered members Washington

    A well-established general contractor is seeking an experienced Project Manager with a strong background in healthcare construction to support a growing portfolio of complex, mission-critical projects. · This role is ideal for a PM who understands the unique demands of working in ...

  • Product Manager, Hybrid

    3 weeks ago

    Only for registered members Washington $134,300 - $195,400 (USD)

    The role is hybrid in Virginia, Maryland, · District of Columbia, DC Metro Area. · This position may also perform work that · the U.S. government has specified can only be performed by a U.S. · citizen on U.S. soil. · BA/BS degree in Business Engineering Project Management or rel ...

  • Hybrid Tax Manager

    4 weeks ago

    Only for registered members Washington

    + Job summary: Hybrid Tax Manager role with a hybrid schedule that gets even more flexible outside of busy season and Summer Fridays from Memorial Day to Labor Day. · + Qualifications: CPA or EA license and at least 5 years of public accounting tax experience required. · + Resp ...

  • Hybrid Tax Manager

    3 weeks ago

    Only for registered members Washington, DC

    This is a great opportunity for a Tax Manager to join our team. We offer a hybrid schedule that gets even more flexible outside of busy season and Summer Fridays from Memorial Day to Labor Day. · ...

  • Business Manager(Military Divison)-Hybrid

    1 day ago

    Only for registered members Richmond, VA, United States

    We are seeking self-motivated professionals who can create solutions and have the ability to: · Coordinate clients' market visits and key account calls. · Communicate clients' priorities to Retail Sales Organization to deliver in-store presence and business objectives. · ...

  • Program Manager- Hybrid

    2 weeks ago

    Only for registered members Washington, DC

    + Ellumen is seeking an experienced Program Manager to become part of our innovative Agile team. · + · Provide leadership for all contract activities. · Assume full responsibility for the Contractor's cost, schedule, and technical performance. · ...

  • Accounting Manager HYBRID

    2 weeks ago

    Only for registered members Falls Church, VA

    We are seeking a highly motivated and experienced candidate to join the Accounting team at BAE Systems, Inc. The successful candidate will be responsible for supporting the General Ledger and Financial Reporting as well as coordinating Accounting Systems upgrades. · Bachelor's de ...

Jobs
>
Chantilly