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Zscaler · 4 days ago

Staff Information Security Engineer (Vulnerability Management)

McLean, Virginia, USA

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 through its cloud-native Zero Trust Exchange platform. They are seeking a Staff Information Security Engineer to operate in a vulnerability management role within a U.S. Federal IL6 environment, where the engineer will be responsible for designing network scanning, automating processes, and collaborating with service owners to mitigate risks.

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 ManagerScripting in Python/Go/PowerShellCSPM conceptsWeb Application ScanningDoD 8570/8140 IAT Level IIAWS C2S/SC2S constructsFedRAMP High/Moderate operationsJira/ServiceNow familiarity

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