Endpoint Security Solutions (ESS) Systems Engineer – Level 1
On-siteQuantico, Maryland, United States
Job Summary
Deploy and optimize enterprise endpoint security solutions across multi-platform environments, serving as the primary subject matter expert for the Trellix Enterprise Security Suite including ePO, ENS, DLP, and TACC. Lead the integration of security architectures, conduct vulnerability assessments, and drive STIG implementation and Risk Management Framework compliance. Support incident response activities by analyzing security data, generating reports, and collaborating with government stakeholders to maintain a secure posture. Provide technical leadership and mentorship to junior engineers while developing operational documentation and presenting findings to leadership. Requires TS/SCI clearance, seven years of progressive experience, and ESS Administrator 201, 301, and Analyst 501 certifications.
Required Qualifications
- Active TS/SCI clearance eligibility
- Minimum of seven (7) years of progressive experience operating, securing, and administering enterprise IT systems with a strong focus on endpoint security
- Demonstrated senior-level expertise administering and supporting 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), Other DoD-mandated endpoint security applications
- Experience integrating endpoint security platforms into enterprise cybersecurity environments
- Experience installing, configuring, troubleshooting, and maintaining enterprise hardware, software, and system accounts
- Experience leading vulnerability assessments, STIG implementation, RMF compliance activities, and continuous monitoring programs
- Expert knowledge of Microsoft Windows and Linux operating systems in enterprise environments
- Advanced troubleshooting and problem-solving skills in complex, multi-platform environments
- Strong customer service, communication, and stakeholder engagement skills
- Ability to communicate technical concepts, findings, and recommendations to both technical and non-technical audiences
- Must meet DoDM 8140.03 foundational requirements for Work Role Code (WRC) 451 - System Administrator
- ESS Administrator 201 certification
- ESS Advanced Administrator 301 certification
- ESS Analyst 501 certification
- ENS 10.X Certification
Desired Qualifications
- Experience providing technical leadership and mentoring junior and mid-level engineers
- Experience supporting cybersecurity operations within Federal, DoD, Intelligence Community, or classified environments
- Experience supporting Security Operations Center (SOC) activities, enterprise monitoring programs, or continuous diagnostics and mitigation initiatives
- Experience preparing executive-level compliance reports, security assessments, and incident response briefings
- Familiarity with additional enterprise cybersecurity tools, platforms, and architectures used within DoD environments
- Experience supporting enterprise security architecture, platform modernization, and security hardening initiatives
- Familiarity with additional DoDM 8140.03 work roles and associated cybersecurity requirements
- Additional Trellix, cybersecurity, or DoD-recognized advanced certifications
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