Endpoint Security Solutions (ESS) Systems Engineer ? Level 2 in Quantico

The Endpoint Security Solutions (ESS) Systems Engineer - Level 2 will support the deployment, configuration, administration, and maintenance of enterprise endpoint security solutions across complex DoD environments. This role requires strong hands-on experience with Trellix endpoint security technologies, enterprise system administration, cybersecurity compliance, and vulnerability management.

The selected candidate will serve as a technical subject matter expert supporting endpoint protection initiatives, security operations, compliance activities, and incident response efforts while ensuring systems remain secure and compliant with DoD cybersecurity requirements., * Deploy, configure, administer, and maintain enterprise endpoint security solutions.

• Manage and support the Trellix Enterprise Security Suite, including:
• ePolicy Orchestrator (ePO)
• Endpoint Security (ENS) Firewall
• ENS Threat Prevention
• Policy Auditor (PA)
• Data Loss Prevention (DLP)
• Trellix Application and Change Control (TACC)
• Integrate Trellix security solutions into enterprise security environments.
• Conduct vulnerability assessments and support remediation efforts.
• Assist with DISA STIG implementation and compliance activities.
• Support Risk Management Framework (RMF) processes and continuous monitoring efforts.
• Analyze security events, logs, and system data to identify threats and vulnerabilities.
• Support cybersecurity incident response and reporting activities.
• Troubleshoot and optimize endpoint security technologies in complex enterprise environments.
• Maintain secure Windows and Linux operating systems.
• Develop technical documentation, reports, and recommendations.
• Collaborate with cybersecurity teams, system administrators, and Government stakeholders.

• Active TS/SCI clearance or eligibility to obtain TS/SCI at contract start.
• Minimum five (5) years of progressive experience securing and supporting enterprise IT systems with a focus on endpoint security.
• Demonstrated expertise with the Trellix Enterprise Security Suite, including:
• ePolicy Orchestrator (ePO)
• Endpoint Security (ENS)
• Policy Auditor (PA)
• Data Loss Prevention (DLP)
• Trellix Application and Change Control (TACC)
• Experience installing, configuring, troubleshooting, and maintaining enterprise hardware, software, and user accounts.
• Experience integrating ePO, ENS, and DLP services within enterprise environments.
• Strong troubleshooting and analytical skills supporting complex security environments.
• Strong knowledge of Windows and Linux operating systems.
• Experience supporting STIG implementation and RMF compliance activities.
• Excellent customer service and stakeholder engagement skills.
• Strong written and verbal communication skills.
• Must meet DoDM 8140.03 foundational requirements for Work Role Code (WRC) 451 - System Administrator., * Experience supporting endpoint security operations in DoD, Federal Government, or Intelligence Community environments.
• Experience supporting enterprise cybersecurity compliance initiatives and reporting activities.
• Experience supporting cybersecurity incident response operations.
• Experience working within highly regulated or classified environments.
• Familiarity with DoD cybersecurity frameworks, policies, and best practices.

• Competitive compensation and benefits package.
• Professional development and career advancement opportunities.
• Collaborative and mission-focused environment.