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Zscaler · 2 days ago

Staff Information Security Engineer (Vulnerability Management)

Washington, DC

Full-time

Hybrid

Senior Level, Lead/Staff

$116K/yr - $165K/yr

5+ years exp

Zscaler is a leader in cloud security, focused on enabling organizations to harness speed and agility with a cloud-first strategy. The Staff Information Security Engineer will operate in a U.S. Federal IL6 environment, responsible for vulnerability management tasks including network scanning, automation, and collaboration with service owners.

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 ManagementSecurity EngineeringPythonTenable.sc/Nessus ManagerCSPM conceptsWeb Application ScanningPowerShellGoRisk-based prioritizationDoD 8570/8140 IAT Level II certificationCloud platformsFedRAMP High/Moderate operationsJira/ServiceNow

Required

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

5+ years in Vulnerability Management, or Security Engineering within restricted/SCIF environments, including air-gapped scanning (Tenable.sc/Nessus Manager or equivalents) and offline plugin lifecycle

Experience with CSPM concepts and Web Application Scanning (WAS) methodologies, plus strong scripting skills in Python, Go, or PowerShell for automation in disconnected environments

Solid understanding of risk-based prioritization (CVSS, EPSS), remediation lifecycle, and SLA governance

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