GWAC Manager

Seneca Holdings, the business arm of the Seneca Nation, is the parent company of the Seneca Nation Group (SNG). The SNG portfolio of companies, our federal government contracting business unit, meet mission-critical needs of federal civilian, defense, and intelligence community customers across a variety of domains. To learn more visit our website here and follow us on LinkedIn.

At Seneca, 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 at Seneca Holdings 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.

The GWAC Manager plays a critical role in driving federal sector growth through the strategic management, expansion, and execution of Government-Wide Acquisition Contracts (GWACs) and Multiple Award Schedules (MAS). This individual will support contract operations, task order execution, and modification initiatives-including expanding contract capabilities through additional Special Item Numbers (SINs)-with a focus on leveraging Seneca Holdings' tribal 8(a) status to position the organization competitively in the public sector marketplace.

Key Responsibilities:

• Serve as the primary liaison of all GWAC and MAS vehicles, including 8(a) set-asides, ensuring full compliance with contractual and regulatory requirements.
• Lead the identification, justification, and submission of GWAC or MAS modifications to add new SINs aligned with current or future capabilities.
• Coordinate with internal SMEs and proposal team to develop modification packages including technical narratives, labor category mappings, pricing, and past performance.
• Track and analyze changes in SIN availability, policy updates, and GSA/FAR guidance to proactively expand Seneca's reach on federal vehicles.
• Ensure all modification efforts highlight Seneca's qualifications under tribal 8(a) eligibility to maximize strategic positioning.
• Act as a liaison between contract vehicles and growth teams, enabling BD, capture, and proposal teams to successfully identify and respond to task order opportunities.
• Provide early visibility into upcoming GWAC/MAS opportunities; work cross-functionally to align resources, solutions, and pricing strategies.
• Design and manage streamlined TO intake and triage workflows to ensure Seneca can respond rapidly to high-priority GWAC/MAS opportunities.
• Coordinate with capture and proposal managers to pre-stage templates, compliance matrices, and teaming strategies to accelerate response timelines.
• Own responsibility for timely and accurate updates to external government GWAC portals (e.g., GSA eBuy, NASA SEWP, CIO-SP3/4), ensuring vehicle data, contract performance, and task order metrics are up to date.
• Maintain synchronization between external reporting obligations and internal BD tracking systems.
• Monitor and publish regular reports on upcoming or expiring task orders across all GWAC/MAS vehicles.
• Ensure expiring TO radar is integrated into Seneca's pipeline review and that re-compete or follow-on opportunities are flagged for early capture.

• Actively maintain alignment between GWAC/MAS pipeline data and Seneca's internal BD tools and platforms (e.g., CRM, pipeline dashboards, SharePoint).
• Coordinate with BD team to ensure vehicle-specific task orders are correctly logged, tagged, and forecasted.

• Monitor GWAC/MAS utilization trends, usage patterns by federal customers, and emerging areas of demand.
• Provide regular reports on contract usage, win rates, and forecasted opportunities to BD leadership.
• Evaluate potential new contract vehicles for pursuit based on portfolio alignment, small business participation, and 8(a) competitive or sole source access.

• Build and maintain relationships with GSA, NASA SEWP, and other program offices.
• Represent Seneca at government-industry events, GWAC customer training sessions, and with teaming partners on joint pursuits.

Qualifications:

• Education: Bachelor's degree
• Experience:




• 5+ years of experience in federal government contracting, with 3+ years in GWAC or MAS management roles.
• Experience managing vehicles such as GSA MAS, 8(a) STARS III, VETS 2, CIO-SP3/4, Alliant, or SEWP.
• Proven success expanding contract capabilities through SIN additions, scope mods, or CLIN enhancements.
• In-depth knowledge of the FAR, GSAM, and GSA eOffer/eMod systems.
• Strong understanding of the competitive public sector landscape, 8(a) sole source and competitive rules, and small business regulations.
• Excellent communication, proposal coordination, project management, and relationship-building skills.

Preferred Qualifications:

• Experience working within a tribal organization, Alaska Native Corporation, or other SBA-designated 8(a) entity.
• Familiarity with socio-economic program advantages and how they can be strategically applied on large-scale IDIQs/GWACs.