Trellix Endpoint DLP Engineer (TS/SCI CI Poly)

This role requires someone working onsite in DC/Reston/Quantic/College Park. A TS/SCI CI Poly is required.

Design, deploy, manage, and operationalize enterprise endpoint data protection controls as a Trellix Endpoint Data Loss Prevention (DLP) Engineer. Serve as the technical owner for Trellix EDR/DLP components, ensuring sensitive data is identified, monitored, and protected across the enterprise. Use analytical, engineering, and stakeholder engagement capabilities to assist with information protection strategy. Play a core role in safeguarding the organization's data. Build an enterprise-grade data protection program with visibility across security leadership, risk, and operational teams. Lead enterprise deployment, configuration, tuning, and maintenance of Trellix Endpoint DLP, including policy automation, agent health, and performance optimization. Assist with analyzing, testing, and operationalizing DLP policies, rulesets, classification logic, and incident workflows aligned to data governance requirements. Integrate the Trellix DLP platform with SIEM, SOAR, CASB, CMDB, and identity security tools for end-to-end visibility and automated response. Analyze DLP telemetry, alerts, and incidents to identify data exfiltration patterns, risk signals, and false positives. Partner with legal, compliance, data governance, and HR to define rulesets, thresholds, and exception workflows. Develop engineering playbooks, standard operating procedures, and runbooks for policy lifecycle management. Manage endpoint agent health, upgrades, change control, and enterprise-wide platform stability. Conduct root-cause analysis for user-impact, policy misfires, broken workflows, and endpoint inventory issues. Provide guidance to application and business teams on data classification, tagging, and secure data-handling practices. Align DLP implementations with Zero Trust, privacy, and enterprise data protection strategies.

Basic Qualifications:

• 4+ years of experience in cybersecurity engineering, data protection, or endpoint security
• 2+ years of experience with Trellix Endpoint DLP, Trellix ePO, associated modules, agent-based controls, and Windows and Linux endpoint management and troubleshooting
• 2+ years of experience developing and deploying solutions for highly regulated industries such as healthcare, finance, federal, defense, and energy
• Experience with integration patterns across SIEM, SOAR, and identity security platforms, and broader Trellix or McAfee security stack such as ENS, DLP Monitor, DLP Discover, and ePO
• Experience with scripting in PowerShell, Python, or Bash for automation and workflow optimization, creating classification taxonomies, and integrating DLP with enterprise data catalogs
• Ability to interpret data movement patterns and policy outcomes
• Active TS/SCI clearance; willingness to take a polygraph exam
• Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience supporting IT projects and activities, or Master's degree and 1+ years of experience supporting IT projects and activities. Years of experience may be accepted in lieu of degree
• DoD 8570.01-M Information Assurance Technician (IAT) Level II Certification such as Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND Certification
• Ability to obtain a DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support Certification such as CEH, CHFI, CFR, Cloud+, or CND Certification, within 30 days of start date

Additional Qualifications:

• Knowledge of data loss prevention concepts, endpoint security controls, and data classification models
• Possession of strong analytical skills