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Contract Administrator - Senior Level

Xmstart

Chantilly, VA · Posted November 11, 2026

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About the job

XMSTART is looking to add an experienced and strategic full-time Contract Administrator to our team, in Chantilly, VA . This position is 100% Onsite. The selected candidate will offer assistance throughout every stage of contract execution, from pre-award to closeout. They will act as a team advisor for all acquisition and contract program office requirements, while also reviewing, approving, and making recommendations to the government customer.

Security Clearance:

Active TS/SCI clearance with CI Poly

Education:

Bachelor’s Degree

Qualifications:

8 years of experience in contract administration and/or 5 years of experience supporting the customer

Ability to communicate clearly

Proficient in MS Office suite

Delivers assignments promptly

Able to identify issues and provide informed, objective recommendations

Familiarity with OC Policy Documents, OCAN, and FAR

Responsibilities:

Generate reports and data requests as instructed by management

Collaborate with customer financial management systems

Prepare contract documentation and manage contract files

Evaluate relevant market data from selected sources to provide insightful recommendations

Understand customer requirements and suggest the appropriate contract type that complies with all legal standards, in addition to recommending contracting methods based on those requirements

Advise on effective methods for publicizing procurement opportunities

Develop contract incentives that align with required policies and enhance Basic Order Agreements (BOA)

Propose financing options for contracts based on contract type and procurement methods, determining when Full and Open competition is appropriate

Create source selection criteria that utilize the best value and lowest price technically acceptable standards for contract awards

Prepare pre-award and post-award debriefings, and assist with pre- and post-award protests in compliance with FAR/NAM regulations

Recommend a cost/price analysis for BOA agreements

Assist in the preparation and negotiation of contracts, including schedule performance and pricing, while being capable of creating related documentation

Oversee the contract close-out process and support the documentation of contract terminations, including final contract pricing

Identify potential fraud or other legal violations, providing recommendations and documentation to validate claims, and resolve contract disputes with the Contracting Officer's approval

Assess and document subcontracting plans, conflict of interest strategies, and foreign ownership implications, offering recommendations where necessary

Provide general office management assistance, which includes logistical support, typing, document review for content and formatting, filing, file maintenance, photocopying, invoice processing, tracking drafts and action items, and managing meetings and calendars

Maintain original contract files in both hard and soft copies within the customer database

Distribute documents to both internal and external stakeholders

Prepare and submit contracts for the close-out process and coordinate the request and delivery of contractor documents needed for the Certificate of Completion, including final patent reports, final royalty reports, award fee determinations, levels of effort, and certifications