Zscaler · 1 day ago
Staff Information Security Engineer (Vulnerability Management)
Crystal City, Virginia, USA
Full-time
Onsite
Senior Level, Lead/Staff
$116K/yr - $165K/yr
5+ years expZscaler is a pioneer and global leader in zero trust security. They are seeking a Staff Information Security Engineer to join their Engineering team, focusing on vulnerability management within a U.S. Federal IL6 environment.
Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design and execute authenticated and unauthenticated network and host scanning using IL6-approved tools like Tenable.sc or Nessus Manager within air-gapped environments
Build Python, Go, or PowerShell automations for scan orchestration, asset onboarding, policy tuning, and diode-ready reporting formats
Drive collaboration with IL6 service owners to eliminate exploitable risks and manage comprehensive patch and hardening campaigns
Produce weekly and monthly reporting aligned to IL6 program cadence and diode data transfer policies
Maintain essential documentation including runbooks, SOPs, exception governance, and change control processes within the SCIF environment
Qualification
Required
U.S. citizenship and a current, active U.S. Top Secret (TS) clearance
5+ years of experience in one or more of the following: Vulnerability Management
Experience with Tenable.sc/Nessus Manager or equivalents
Experience with CSPM concepts and/or Web Application Scanning (WAS) methodologies with solid understanding of risk-based prioritization (CVSS, EPSS), remediation lifecycle, and SLA governance
Scripting skills in Python, Go, or PowerShell for automation in disconnected environments
Preferred
DoD 8570/8140 IAT Level II certification such as Security+ CE, GSEC, SSCP, or CySA+
Understanding of cloud and container platforms adapted to classified environments including AWS C2S/SC2S constructs, ECS/Kubernetes, and VM hardening
Exposure to FedRAMP High/Moderate operations and ticketing management in isolated environments using Jira or ServiceNow
Benefits
Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!
Company
Zscaler
Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.
5001-10000 employees
Funding
Current Stage
Public CompanyTotal Funding
$1.67BKey Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO
Leadership Team
Jay Chaudhry
CEO, Chairman & Founder
Hemant Dabke
Area Vice President
Recent News
2026-01-22
2026-01-20
2026-01-17
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