Action Officer

Action Officer at Sentar summary :

The Action Officer supports the Defense Health Agency by conducting detailed cybersecurity threat analysis and responding to Requests for Information in a fast-paced cyber operations environment. They collaborate with intelligence teams to deliver actionable reports that enhance the defense and protection of critical DoD healthcare IT systems. This role requires technical expertise, strong communication skills, and a Top Secret / SCI clearance to ensure mission continuity and cybersecurity readiness.

Sentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the team where you can build, innovate, and secure your career.

Sentar is seeking an Action Officer in Charleston, SC!

The Cyber Operations Center (CyOC) Action Officer will support the mission-critical efforts of the Defense Health Agency (DHA) by enabling proactive cybersecurity operations that protect sensitive healthcare systems across the Department of Defense (DoD). This role is embedded within the Naval Information Warfare Center (NIWC) Atlantic's Defensive Cyberspace Operations (DCO) Integrated Product Team (IPT), which is tasked with safeguarding DHA's global infrastructure against cyber threats, unauthorized access, and emerging vulnerabilities.

As part of the CyOC team, the Action Officer serves as a key operational resource, working directly with DHA subscribers to receive, triage, and respond to Requests for Information (RFIs) related to cybersecurity threats and incidents. This includes performing detailed threat analysis, coordinating with cross-functional intelligence teams, and delivering actionable intelligence reports to bolster the defense posture of supported entities.

Analysts in this role serve on the front lines of cyber defense, translating raw threat data and subscriber inquiries into strategic insights. By supporting frontline military medical operations and critical DoD health IT systems, the RFI Analyst plays a direct role in ensuring mission continuity, data protection, and the safety of warfighters and beneficiaries alike.

This position requires a Top Secret / SCI clearance, strong knowledge of DoD cyber policy, and a proven ability to analyze and communicate complex threat intelligence. Candidates will be part of a dynamic, fast-paced environment where analytical precision, rapid response, and interagency collaboration are essential to mission success.

Role Description :

The CyOC Action Officer will support the Defensive Cyberspace Operations mission by delivering actionable intelligence and analytical support to DHA stakeholders. Specific responsibilities include :

• Receive, assess, and triage incoming Requests for Information (RFIs) from DHA subscribers.
• Conduct detailed research and threat analysis on cyber incidents, indicators, and adversary activity.
• Develop and deliver concise, accurate, and actionable intelligence reports tailored to subscriber needs.
• Collaborate with internal CyOC analysts, incident responders, and threat intelligence teams to ensure comprehensive RFI responses.
• Maintain situational awareness of current and emerging cyber threats, vulnerabilities, and attack techniques.
• Support the development, documentation, and refinement of RFI processing workflows and standard operating procedures (SOPs).
• Provide technical guidance to subscribers regarding cyber threat mitigation and security best practices.
• Track RFI status, metrics, and trends to support operational reporting and performance improvement.
• Coordinate with NIWC Atlantic and DHA stakeholders to ensure mission alignment and timely response to critical intelligence needs.
• Operate in a high-tempo environment with competing priorities and rapidly evolving threat landscapes.

Qualifications :

Clearance Level : Secret (upgrade to TS / SCI required)

Education : Bachelor's degree and min 6 years of overall technical experience or 10 years of overall technical experience without a a degree

Certifications : Candidate must meet DoD 8140 (Formerly 8570) baseline certification at the time of hire. The following are commonly accepted : Security+, CISM, or CISSP

Experience :

Benefits at Sentar :

Our unique ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

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Sentar is an Affirmative Action and Equal Opportunity Employer M / F / Vets / Persons with Disabilities

Our culture is one of inclusivity and support. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M / F / Vets / Persons with Disabilities. Follow these links to learn more about your rights : EEO Is the Law Poster; EEO Is Law Supplement; and Pay Transparency.

We want you to build your career at Sentar, so if you are an individual with a disability and require a reasonable workplace accommodation applying for a job or at any point in the employment process, contact the Recruiting Manager at Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

Build, Innovate, Secure Your Career at Sentar.

Keywords :

cybersecurity, threat analysis, cyber operations, intelligence reporting, defense health agency, cyber threat mitigation, incident response, security clearances, DoD cyber policy, cyber defense