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Endpoint Security Administration (Senior/SME)

CompQsoft
Jul 03, 2025
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Job Type
Full-time
Description
CompQsoft, in support of the Defense Commissary Agency (DeCA), is seeking a highly experienced Endpoint Security Administrator - Senior/SME to join our Cyber Security Services team at Ft. Lee, VA. This role is critical in ensuring the security, compliance, and effectiveness of endpoint defense capabilities across the DeCA enterprise. The ideal candidate is a subject matter expert in endpoint security with deep technical expertise, exceptional communication skills, and a proactive approach to collaboration and incident response.

Key Responsibilities:

*Ensure personnel and practices comply with DoD 8140, Cyber Workforce Qualification Matrix, and associated training repositories

*Configure, deploy, and maintain Endpoint Security (ENS) components and associated policy management

- On-Access/On-Demand Scans

- Access Protection

- Exploit Prevention

- Threat Prevention

- Firewall and Web Control Options

* Manage Data Loss Prevention (DLP) and Application Whitelisting:

- Develop and maintain DLP rules and policies

- Establish enterprise baselines for application whitelisting (Windows and *NIX)

* Utilize tools and standards including pxGrid, APIs, SAML, Okta, ODBC

* Maintain, monitor, and enforce compliance with all endpoint products:

- MDER/EDR solutions

- STIG compliance

- TASKORDs and CTO implementation

*Build strong stakeholder relationships across business units within DeCA

* Collaborate on endpoint settings, troubleshooting, and policy coordination across areas of responsibility

* Participate in Incident Response as needed and resolve endpoint-related tickets within established SLAs

* Maintain and document endpoint posture and system configuration

* Manage and validate:

- Policy Auditor benchmarks

- Rogue System Detection across enterprise subnets

- Endpoint Management Agent settings and updates

- C2C and Quarantine policies to isolate and remediate non-compliant devices

* Analyze syslog and packet data, perform subnetting, and integrate systems across Microsoft and Linux platforms

* Generate and coordinate reports (CMRS, Device/System Tags, ad hoc, compliance tracking)

Preferred Skills & Tools:

- McAfee/Trellix ePO, ENS, DLP, Rogue System Detection

- Scripting: PowerShell, Bash, Python

- Intermediate-level systems administration for Microsoft and Linux

- Familiarity with DoD and Agency cybersecurity directives and change control processes

- Ability to coordinate with 3rd-party providers and internal technical teams

Requirements

Minimum Requirements:

* Active DoD Secret Clearance (Required)

* Must be qualified under the DoD 8140 Cyber Workforce Qualification Program with the following:

- IT 521 - Endpoint Security Administrator

- Cyber 212 - Cybersecurity Service Provider (Infrastructure Support)

* 7+ years of professional IT experience, including at least 3+ years specializing in endpoint cybersecurity

* Demonstrated experience with Trellix ePolicy Orchestrator (ePO), both on-premises and cloud-based

* Strong grasp of cybersecurity frameworks (NIST 800-53, RMF) and DoD compliance (STIGs, TASKORDs, CTOs)

* Endpoint Security Solutions (ESS) Administrator 202 certificate - Required

* HBSS Advanced 301 & 501 Highly recommended.

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