Senior Trellix Cybersecurity Engineer / RMF Information System Security Officer

Job overview

The Senior Trellix Cybersecurity Engineer / RMF Information System Security Officer role is onsite at the Suffolk Building in Falls Church, Virginia. The posting lists a starting salary of $160,000–$190,000 per year. The role supports a high-visibility Chief Digital and Artificial Intelligence Office mission focused on AI/ML development and securing advanced data systems. The engineer builds and sustains Trellix security capabilities while serving as an Information System Security Officer for assigned AI/ML systems. The work integrates endpoint and data security with Risk Management Framework compliance, vulnerability management, and authorization activities to protect mission systems.

What you'll do

• Architect, install, configure, and manage Trellix ePO and modules
• integrate Trellix with Microsoft SQL
• implement STIG hardening
• manage endpoint security, DLP, and threat prevention
• assess vulnerabilities and remediate findings
• develop operational documentation and configurations
• provide Tier III support
• serve as ISSO for assigned AI/ML systems
• maintain RMF packages
• conduct continuous monitoring and security assessments
• coordinate to maintain ATO status.

What we're looking for

Skills & competencies

senior cybersecurity engineer

trellix

rmf

isso

ai/ml security

falls church va

zti solutions

ts/sci clearance

stig compliance

microsoft sql

onsite

Work arrangement

• Weekend coverage required

Benefits & perks

• Four weeks of paid time off
• paid federal holidays
• 4% 401(k) match
• health, vision, and dental benefits for employee and family paid 100% by ZTI Solutions.

Why this role

Active TS/SCI clearance, U.S. citizenship, 11–13 years of cybersecurity engineering experience, bachelor’s degree, 8570 IAT II-compliant certification, and cloud security certification required. Benefits include four weeks PTO, federal holidays, 4% 401(k) match, and employer-paid health, vision, and dental coverage for employee and family.

About the employer

ZTI Solutions, LLC is hiring for this role. Industry: Engineering Services. Sector: 54.