Legacy Infrastructure Vulnerability Engineer

Job summary

Analyze and coordinate remediation of vulnerabilities across Windows, Linux, Active Directory, middleware, and other legacy infrastructure, including planning patches and troubleshooting deployment issues. Track remediation against SLAs, validate fixes through rescans, maintain evidence, and coordinate corrective action or approved exceptions.

Job details

Role: Legacy Infrastructure Vulnerability Engineer Location : Remote Role Summary The Legacy Infrastructure Vulnerability Engineer will manage vulnerability remediation across traditional enterprise technology estates, with primary focus on Windows, Linux, Active Directory, middleware, and centrally managed patching. The role will analyze findings, coordinate remediation with platform owners, troubleshoot patching constraints, and validate closure while maintaining service stability and change discipline. Key Responsibilities Analyze vulnerability findings affecting Windows servers, Linux platforms, Active Directory, middleware, and other on-premises or legacy infrastructure components. Validate asset ownership, operating-system version, vulnerability applicability, patch availability, exposure, remediation path, maintenance window, and service criticality before assigning action. Coordinate centralized patching and configuration remediation with server, directory services, middleware, database, network, application, and operations teams. Prepare remediation plans that group compatible fixes, identify prerequisites and dependencies, minimize operational disruption, and align execution with approved change-management processes. Troubleshoot failed deployments, unsupported platforms, agent issues, repository or package problems, reboot dependencies, configuration conflicts, and recurring scan detections. Track assigned findings against remediation SLAs, maintain accurate status and evidence, escalate overdue items, and provide actionable progress updates to the Vulnerability Lead. Support rescans and technical validation after remediation; investigate residual findings and coordinate corrective action until verified closure or approved exception. Required Skills and Experience Strong administration and patching knowledge across Windows and Linux platforms. Working knowledge of Active Directory, middleware, enterprise patching tools, and change management. Ability to interpret vulnerability evidence, security advisories, patches, configuration guidance, and scan results. Experience coordinating remediation across large, distributed infrastructure estates. Structured troubleshooting, documentation, stakeholder coordination, and operational discipline. Success Measures Successful performance will be evaluated through timely risk reduction, SLA adherence, accuracy of records and reporting, quality of stakeholder coordination, audit readiness, and measurable improvement in remediation efficiency and control effectiveness.

What you’ll do

Analyze and coordinate remediation of vulnerabilities across Windows, Linux, Active Directory, middleware, and other legacy infrastructure, including planning patches and troubleshooting deployment issues. Track remediation against SLAs, validate fixes through rescans, maintain evidence, and coordinate corrective action or approved exceptions.

Requirements

Requires strong Windows and Linux administration and patching knowledge, plus working knowledge of Active Directory, middleware, enterprise patching tools, and change management. Candidates should be able to interpret vulnerability evidence and coordinate remediation across distributed infrastructure estates with structured troubleshooting and documentation.

Listed skills

• Active Directory · Preferred
• Change Management · Preferred
• Documentation · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Windows Administration
• Linux Administration
• Vulnerability Remediation
• Patch Management
• Active Directory
• Middleware
• Enterprise Patching Tools
• Vulnerability Analysis
• Change Management
• Infrastructure Troubleshooting
• Remediation Planning
• Stakeholder Coordination
• SLA Tracking
• Technical Validation
• Documentation

Job areas

• Technology
• Security & Safety

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