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Endpoint Security System Administrator

MANTECH

Posted today

Job Requirements

Doral, FL
Top Secret/SCI Polygraph Unspecified
Career Level not specified
Salary not specified
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Job Description

MANTECH seeks a motivated, career and customer-oriented Endpoint Security System Administrator to join our team in Doral, FL.

Responsibilities include but are not limited to:
  • Installing, configuring, maintaining, and administering Enterprise Security System (ESS/HBSS) modules and endpoint security capabilities.
  • Managing endpoint policy enforcement, agent deployments, vulnerability scanning, and security baseline compliance across enterprise systems.
  • Conducting routine system troubleshooting, event monitoring, threat detection, and incident response coordination.
  • Maintaining system baselines, agent software repositories, and configuration management controls for security tools.
  • Collaborating with cross-functional technical teams, systems administrators, and cybersecurity leadership to optimize network defense.
  • Performing security updates, system patches, engine upgrades, and baseline verification across physical and virtual assets.
  • Recommending and implementing continuous process improvements to streamline ESS management and operational security.


Minimum Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field with 5+ years of experience in systems or security administration.
    • OR a master's degree and 3+ or more years of relevant experience
    • OR an associate's degree and 7+ or more years of relevant experience
    • OR a high school diploma and 9+ or more years of relevant experience
  • Proven experience administering Trellix/McAfee Enterprise Security System (ESS/HBSS) policies, modules, and ePolicy Orchestrator (ePO).
  • Strong background in endpoint protection, host intrusion prevention, rogue system detection, and security compliance auditing.
  • Experience maintaining baseline configurations, patch management schedules, and security event logs.
  • Experience creating, maintaining, and communicating complex technical documentation and security administration workflows.


Preferred Qualifications:
  • Relevant professional certifications such as CompTIA Security+, Trellix/HBSS Advanced Administrator, or CISSP.
  • Prior experience supporting U.S. Military Command operations or Department of Defense enterprise technical environments.
  • Familiarity with DoD STIG implementation, vulnerability management tools (e.g., ACAS), and automated compliance reporting.
  • Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in dynamic operational settings.


Clearance Requirements:
  • Must hold a current/active top secret security clearance.


Physical Requirements:
  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
group id: RTX14564a
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About Us
For over half a century, we have been where our clients are: land, sea, air, space and cyberspace. We collaborate across sectors and capabilities to deliver next-generation technology, tools, training and seasoned personnel.
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MANTECH Jobs


Job Category
IT - Hardware
Clearance Level
Top Secret/SCI
Employer
MANTECH