Senior Contracts Administrator

At Significance, we believe the best results come from investing in great people. As a woman-owned consulting firm supporting federal civilian and Department of Defense customers, we bring together talented professionals who are passionate about solving complex challenges and making a meaningful impact. We're proud of the culture we've built - one rooted in trust, collaboration, respect, and genuine relationships. Our people are empowered to share ideas, grow their careers, and deliver exceptional results while supporting missions that matter. It's a culture we're proud of, and one that has earned us recognition as a Washington Business Journal Best Place to Work for seven consecutive years. Significance, Inc. is seeking a Sr. Contracts Administrator with extensive government contracting experience to oversee the full lifecycle prime and subcontract processes and ensure compliance with federal regulations. This role is a senior-level administration position. Reporting to the Director of Contracts, candidates must have demonstrated experience independently administering complex federal government contracts throughout the entire contract lifecycle, including both prime contracts and subcontracts. Experience limited to post-award administration or subcontract administration alone is not sufficient for this role. FAR/DFARS expertise, strong negotiation skills, experience with GWAC/IDIQ vehicles, and demonstrated ability to independently manage complex federal contracts is required. This role interfaces regularly with Program Management, Finance, Business Development, HR, and Executive Leadership to ensure alignment across contract, operational, and strategic priorities. The Sr. Contracts Administrator shall be a highly organized, self-directed professional with a solid track record of meeting and exceeding deliverables aligned with organizational objectives and goals. This role is remote and requires proactive communication, responsiveness, and availability during core business hours to support geographically dispersed teams and government customers. Role & Responsibilities Prime Contract Administration - the Sr. Contracts Administrator will: • Review, negotiate and manage all contracts, modifications, non-disclosure agreements (NDA), teaming agreements (TA), subcontract agreements, 1099-consultant agreements, proposal and bid documentation, and all contract-related files • Maintain day-to-day oversight and management of federal prime contracts including GSA Schedules, IDIQ’s and other large MACs from inception through closeout • Collaborate with Program Managers to review contractual terms, identify gaps, and mitigate performance or other compliance risk(s) • Proactively identify contractual, performance, and compliance risks; develop mitigation strategies; and lead resolution efforts with internal teams and government counterparts • Ensure delivery of contractual deliverables and timely response to CPARS evaluations • Work closely with Finance & Accounting to verify contract values, funding, timekeeping, billing, and other financial requirements • Maintain contract files / setups in Unanet ERP system, ensure all data is correct • Support Business Development with data calls, due date tracking, and quote/RFP submissions • Submit quarterly SRS and IFF payments for GSA Schedule(s) • Plan and schedule compliance activities, including audits by GSA and DCAA • Develop and maintain internal contract administration SOPs, templates, checklists, and compliance controls to ensure consistency and audit readiness across all contract actions • Ensures compliance with all Federal Acquisition Regulations (FAR), FAR supplements, Defense Federal Acquisition Regulation Supplement (DFARs) • Ensure proper handling of controlled unclassified information (CUI), proprietary data, and sensitive government materials in accordance with federal security requirements. Subcontract Administration - the Sr. Contracts Administrator will: • Review, negotiate an…