HBSS​/ESS Engineer

General information

Requisition #

R68533

Locations

USA-VA-Virginia Beach

Posting Date

06/10/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary.

Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Host Based Security Systems, Endpoint Security Solutions (HBSS/ESS Engineer) to join our team in Virginia Beach, VA. This position is onsite.

Responsibilities include but are not limited to:

* Reports Directly to the Project Manager and supports execution in a matrix organization.

* Builds, configures, administers, and maintains HBSS Firewalls in accordance with security guidelines, applicable Task orders, and best security practices.

* Maintains HBSS compliance with operations and tasking orders, and other DoD configuration compliance requirements.

* Installs and configures required Trellix products, including but not limited to Trellix Endpoint Security (ENS) Client, ENS Firewall, Threat Prevention, Rogue System Detectors on enterprise Microsoft and Linux endpoints.

* Maintains malware security compliance and troubleshooting/resolving issues remotely via the Trellix ePO console.

* Support a team environment based on mutual respect and teamwork, dedicated to innovation and effective, efficient work practices.

Minimum Qualifications:

* Masters degree and 3+ years of relevant security experience, or Bachelors degree and 5+ years of relevant security, or a High School Diploma and 9+ years of relevant security experience, in lieu of Masters degree

* Experience with HBSS and ESS

* Experience with Trelix products

* Computing Environment/Operating System (CE/OS) certifications (ex. Linux, Windows, VMWare)

* IAT-II level at a minimum in accordance with SECNAV M-5239.2 and DoD 8140/8570. (ex. Comp Tia Sec+)

* Strong analytical skills and attention to detail

Preferred Qualifications:

* Familiarity with the United States Navy preferred

* Extensive experience and judgment to plan and accomplish goals and independently performs a wide variety of complicated tasks

* Strong technical, interpersonal, written, and verbal skills

Clearance Requirements:

* Must have a current and active TS/SCI clearance with the ability to obtain SAP access.

Physical Requirements:

* Up to 25% travel anticipated.

* Work will require movement from Government site to/from MANTECH site for client meetings and support functions.

* The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which involve delivering presentations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.