Windows Systems Engineer

VTG•Herndon, VA

About The Position

We are seeking an experienced Windows Systems Engineer to support a mission-focused enterprise environment, responsible for designing, implementing, and maintaining Windows-based infrastructure and enterprise cybersecurity platforms, including Trellix security solutions. The ideal candidate will support endpoint security operations, threat detection and response capabilities, and ensure system availability, performance, and compliance across complex enterprise environments.

Requirements

Must have a Top Secret Clearance with Polygraph
Bachelor’s or Master’s degree in a related field
Minimum of 16 years of experience in systems engineering, cybersecurity engineering, or Windows/Linux systems administration
Strong experience with cybersecurity operations and engineering in enterprise environments
Experience with Trellix Endpoint Security (ENS), ePolicy Orchestrator (ePO), Endpoint Detection and Response (EDR), Threat Intelligence Exchange (TIE), and Data Exchange Layer (DXL)
Experience with Data Loss Prevention (DLP) tools and network monitoring solutions
Strong background in Active Directory administration and troubleshooting
Experience with enterprise databases, virtualization, cloud services (AWS, Azure), and networked environments
Ability to quickly develop expertise with Trellix and related cybersecurity platforms
Familiarity with cyber threat identification, mitigation, and incident response strategies
Experience designing and implementing enterprise-scale system architectures

Nice To Haves

Experience writing technical documentation, briefings, and operational reports
Experience leading or participating in technical exchange meetings and stakeholder engagements
Experience working with inter-agency, intra-agency, and external partners and vendors
Experience supporting Certification & Accreditation (C&A) or Authorization & Accreditation (A&A) processes
Experience supporting deployment planning, execution, system configuration, and policy development
Experience monitoring system health, availability, and performance in enterprise environments
Experience analyzing operational data and providing technical recommendations
Experience leading or supporting technical troubleshooting efforts, including log analysis and vendor coordination
Strong analytical, communication, and problem-solving skills

Responsibilities

Administer and support Windows and Linux systems within enterprise environments
Deploy, configure, and maintain Trellix security tools including ENS, ePO, EDR, TIE, and DXL
Implement and support Data Loss Prevention (DLP) solutions, including network monitoring and prevention capabilities
Support Active Directory architecture, administration, and troubleshooting
Monitor, detect, and respond to cybersecurity threats using enterprise security tools and frameworks
Support planning and implementation of new system architectures and modernization of legacy infrastructure
Conduct system tuning, configuration, and performance optimization for enterprise platforms
Perform root cause analysis, log reviews, and troubleshooting of system and security issues
Collaborate with stakeholders to ensure security posture aligns with mission and operational requirements
Monitor system health, availability, and performance metrics to ensure operational readiness