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Zscaler · 1 day ago

Staff Information Security Engineer (Vulnerability Management)

McLean, VA

Full-time

Onsite

Senior Level, Lead/Staff

$116K/yr - $165K/yr

5+ years exp

Zscaler is a company focused on accelerating digital transformation and enhancing cybersecurity for its customers. They are seeking a Staff Information Security Engineer to operate within the U.S. Federal IL6 environment, focusing on vulnerability management and ensuring security protocols are strictly followed.

Cloud SecurityCyber SecurityEnterprise SoftwareSecurity

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Designing and running authenticated/unauthenticated network and host scanning using IL6-approved tools in air-gapped environments (e.g., Tenable.sc / Nessus Manager or similar)

Building Python/Go/PowerShell automations for scan orchestration, asset onboarding, policy tuning, and diode-ready reporting formats

Driving collaboration with IL6 service owners to eliminate exploitable risks and manage patch/hardening campaigns

Producing weekly and monthly reporting aligned to IL6 program cadence and diode data transfer policies

Maintaining documentation, including runbooks, SOPs, exception governance, and change control processes within the SCIF

Qualification

Vulnerability ManagementTenable.sc/Nessus ManagerPythonGoPowerShellCSPM conceptsWeb Application ScanningCVSSEPSSDoD 8570/8140 IAT Level II certificationAWS C2S/SC2SKubernetesFedRAMP High/Moderate operationsJiraServiceNow

Required

U.S. citizenship with an active U.S. Top Secret (TS) clearance (must be maintained)

5+ years of experience with 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 (e.g., Security+ CE, GSEC, SSCP, CySA+)

Understanding of cloud and container platforms adapted to classified environments (e.g., AWS C2S/SC2S constructs, ECS/Kubernetes, VM hardening), and external attack surface concepts within constrained perimeters

Exposure to FedRAMP High/Moderate operations, including monthly monitoring programs (scanning, evaluation, patching, reporting) and familiarity with Jira/ServiceNow for ticketing and exception management in isolated environments