Sr. Trellix Cybersecurity Engineer

Arena Technical Resources, LLC
📍 Chantilly, VA, United States 💼 Full-time 🕒 Posted June 22, 2026

Job Description

Sr. Trellix Cybersecurity Engineer

Location: Chantilly, VA, US
Job ID: ATR 17892




Job Description
Job Title: Sr. Trellix Cybersecurity Engineer

Location: Chantilly, VA

Eligibility: Candidate must possess an active TS/SCI with CI Polygraph
clearance

Job Description:

Seeking a Senior Trellix Cybersecurity Engineer with RMF ISSO expertise
to architect, implement, and manage a comprehensive Trellix security
environment while supporting RMF compliance activities.

This role requires expertise in deploying / utilizing Trellix ,
configuring and managing all modules, performing STIG compliance across
integrated devices including Microsoft SQL, and ensuring cybersecurity
compliance through direct ISSO responsibilities. The candidate will
support various infrastructure environments to ensure their security
posture meets DoD and IC mission objectives.

This is a full-time p...

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Job Details

  • Location Chantilly, VA
  • Job Type Full-time
  • Category other-general
  • Posted Date June 22, 2026
  • Application Deadline June 27, 2026