Cybersecurity Tools Administrator

SAIC•Springfield, VA

4d•Onsite

About The Position

SAIC is seeking a motivated Cybersecurity Tools Administrator to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This role focuses on implementing, administering, and optimizing cybersecurity toolsets centered on Trellix Endpoint Security (ENS) and integrated capabilities such as Endpoint Detection & Response (EDR), Network Detection & Response (NDR), and malware protection. The administrator will manage policy, deployment, health/compliance, telemetry, and integrations with SIEM/SOAR to strengthen enterprise security posture. All work is performed on-site in Springfield, VA.

Requirements

2-5 years of experience administering enterprise cybersecurity tools (e.g., Trellix ePO/ENS, EDR/NDR) and performing endpoint/security operations in an enterprise IT environment.
Proficiency administering Trellix ePO and ENS/ESS; familiarity with Dynamic Application Containment (DAC), IOC sweep, and endpoint isolation.
Understanding of cybersecurity frameworks and processes (NIST 800-53, RMF, ICD 503).
Solid knowledge of Windows/Linux security configurations, AD-integrated deployments, and enterprise network concepts.
Familiarity with incident response procedures, log analysis, and database/server hardening.
Active TS/SCI clearance with the ability to obtain and maintain a TS/SCI with CI Poly.

Nice To Haves

Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 521 (Cyber Defense Infrastructure Support Specialist, Intermediate Level) requirements, as outlined by Navy COOL. This requirement can be met by possessing one or more of the following qualifying certifications: Certified Ethical Hacker (CEH) CompTIA Cloud+ CompTIA Cybersecurity Analyst (CySA+) CompTIA PenTest+ CompTIA Security+ GIAC Continuous Monitoring Certification (GMON) GIAC Response and Industrial Defense (GRID) GIAC Security Essentials Certification (GSEC) Systems Security Certified Practitioner (SSCP) OR This requirement can be met through: A Bachelor’s Degree in Cybersecurity, Computer Science, IT, or a related field.

Responsibilities

Administer Trellix ePolicy Orchestrator (ePO): configure policies, tasks, and client assignments; perform agent deployment/updates; monitor health and compliance across Windows/Linux endpoints.
Implement and maintain cybersecurity toolsets including ESS/ENS, EDR, NDR, and malware protection; tune detections and containment to reduce false positives while improving fidelity.
Integrate endpoint tools with enterprise SIEM/SOAR (e.g., Splunk) and vulnerability management stacks (e.g., Nessus/ACAS) to enable unified visibility, correlation, and automated response.
Develop and maintain dashboards, reports, and KPIs for endpoint coverage, policy compliance, threat activity, and vulnerability remediation progress.
Conduct enterprise-wide agent posture checks; remediate orphaned agents, stale policies, connectivity issues, and broken update channels.
Author and maintain standard operating procedures (SOPs), change records, and implementation plans; follow standardized test, certification, and deployment procedures.
Support incident response by providing endpoint forensics, containment actions (e.g., DAC), isolation, and IOC sweep capability; assist with root-cause analysis and corrective actions.
Coordinate with Systems Administrators, Network Engineers, and Cybersecurity personnel to assess risks, validate configurations, and enforce security controls in accordance with RMF/NIST 800-53.
Ensure tool and control configuration compliance; review change requests; validate effectiveness of security controls across virtualized Windows/Linux servers and enterprise networks.
Maintain detailed documentation including release notes, configuration baselines, incident investigations, and compliance/authorization artifacts.