Contract/Subcontract Administrator

SixGen, Inc. • Sterling, VA

65d

About The Position

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. Position Overview We are seeking a detail-oriented and proactive Contract/Subcontract Administrator to support the full lifecycle of prime contracts and subcontracts in a government contracting environment. This role is responsible for ensuring compliance, managing contractual documentation, and supporting both internal stakeholders and external partners. The position will play a key role in subcontract administration, including preparation, negotiation support, execution, and ongoing management. The ideal candidate is highly organized, knowledgeable in FAR/DFARS requirements , and comfortable working cross-functionally with program, finance, and business development teams.

Requirements

• Bachelor’s degree in Business, Contracts Management, or related field.
• 4–8+ years of experience in government contracts and/or subcontract administration.
• Working knowledge of FAR/DFARS and federal contracting requirements.
• Experience administering subcontracts, including drafting and modifications.
• Strong organizational skills and attention to detail.
• Ability to manage multiple priorities and deadlines.

Nice To Haves

• Experience supporting DoD contracts and consent to subcontract processes.
• Familiarity with cost-type, T&M, and fixed-price contract structures.
• Experience with subcontract negotiations and vendor management.
• Experience supporting CPSR readiness, audits, or corrective actions, and operating within an approved purchasing system compliant with FAR requirements.
• Knowledge of systems such as Unanet, Deltek, or similar ERP tools.
• NCMA certification (e.g., CFCM, CCCM).

Responsibilities

• Administer prime contracts and subcontracts from award through closeout.
• Prepare, review, and issue subcontracts, modifications, NDAs, and teaming agreements.
• Ensure compliance with FAR, DFARS, and company policies.
• Support subcontract negotiations, including terms and conditions and pricing coordination.
• Maintain accurate contract and subcontract files and documentation.
• Monitor contract deliverables, funding, and period of performance.
• Track and manage subcontractor deliverables, invoicing, and compliance requirements.
• Support consent to subcontract packages and related approval.
• Serve as a liaison between internal teams and subcontractors for contractual matters.
• Identify and mitigate contractual risks; escalate issues as needed.
• Ensure flow-down of applicable prime contract requirements to subcontracts.
• Support audits (e.g., DCAA, DCMA) and internal compliance reviews.
• Assist with development and maintenance of contract policies and procedures.
• Partner with pricing and finance teams to support proposal and subcontract pricing inputs.
• Support business development efforts with contract-related documentation (e.g., teaming agreements, NDAs).
• Contribute to contract closeout activities, including final deliverables and de-obligation tracking.

Benefits

• SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, projected veteran status, or any other protected group or class. We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level