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ContractSubcontract Administrator

SixGen, Inc.


Job Location:

Sterling, MA - USA

Monthly Salary: Not provided by the employer
Posted: 10 June 2026 (30+ days ago)
Application Deadline: 7 September 2026
Vacancies: 1 Vacancy

Job Summary

SIXGENs 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.

Key Responsibilities
Contract & Subcontract Administration (Primary Focus)
  • 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.
Compliance & Risk Management
  • 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.
Cross-Functional Support (As Needed)
  • 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.

Required Qualifications
  • Bachelors degree in Business Contracts Management or related field.
  • 48 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.
Preferred Qualifications
  • 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).

Key Competencies
  • Strong attention to detail and compliance mindset.
  • Effective communication and negotiation support skills.
  • Ability to interpret and apply contractual requirements.
  • Strong organizational and documentation skills.

Role Summary

This role is focused on ensuring compliant efficient contract and subcontract administration to support both program execution and company growth. The position plays a critical role in managing risk maintaining compliance and enabling successful partnerships with subcontractors.



For more information please reach out to our Director of Human Resources Amy Maxwell at.

OUR COMMITMENT

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.


Required Experience:

Unclear Seniority


About Company

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We deliver mission-aligned cyber capabilities—built for speed, resilience, and operational advantage in contested environments.

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