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1594 - Liaison Officer

Sigma Defense
Arlington, VA Full Time
POSTED ON 12/17/2025 CLOSED ON 1/26/2026

What are the responsibilities and job description for the 1594 - Liaison Officer position at Sigma Defense?

Sigma Defense is seeking a Liaison Officer to provide the required support to the Capability Development and Innovation (CD&I) division within the Secretariat for Special Operations under the Office of the Assistant Secretary of War for Special Operations and Low-Intensity Conflict (OASW(SO/LIC)).

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

  • 10 years of experience.
  • Must be a U.S. citizen.

Education Requirements:

  • Bachelor's degree from an accredited college or university in an unspecified field of study.

Personnel Clearance Level:

  • Candidate must possess or have the ability to obtain an active TS/SCI security clearance or higher.
  • Clearance may be sponsored for the right candidate.

Essential Job Duties (not all-inclusive):

  • Provide LNO support for CD&I and TENCAP at the General Officer/Senior Executive Service (SES) and GS15/O6 level(s) with reporting requirements up to the level of the Deputy Secretary of War (DepSecWar) and responsibilities to better align authorities and resources to rapidly assess and deliver Joint capabilities and systems to the warfighter.
  • The candidate shall have experience with Israel, United Kingdom, Singapore, Australia, and Canada Material and Non-Material systems, networks, and policies.
  • Leverage international affairs expertise to assist in global coordination activities by facilitating international partnerships and fostering productive diplomatic engagements centered on cooperative development.
  • Develop critical insights into geopolitical dynamics that influence irregular warfare capability gaps, enhancing situational awareness, and strategic decision-making.
  • Support cooperative research and development efforts by integrating emerging technologies among allies and partners and coordinating project execution to achieve mission-critical objectives efficiently and effectively.
  • Plan, organize, and support major bilateral meetings and international conferences by managing logistics, participant engagement, and deliverables.
  • Coordinate and manage government and military travel, ensuring full compliance with applicable regulations, policies, protocols, and foreign visit guidance, including the Aircraft and Personnel Automated Clearance System (APACS).

Salary Range: $150,000 - $185,000 annually.

  • Dental and Vision Insurance
  • Medical Insurance to Include HSA, FSA, and DFSA Plans
  • Life and AD&D coverage
  • Employee Assistance Program (EAP)
  • 401(k) Plan with Company Matching Contributions
  • 160 Hours of Paid Time Off (PTO)
  • 12 (Floating) Holidays
  • Educational Assistance
  • Highly Competitive Salary

Salary : $150 - $185

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