Vulnerability Engineer: Scans, Remediation & SIEM Dashboards, Penarth

Description

Responsibilities

Perform scheduled and ad-hoc vulnerability scans using VMS
Validate remediation of vulnerabilities identified by VMS
Analyze scan results, validate findings, and eliminate false positives
Prioritize vulnerabilities based on CVSS scores and organizational risk context
Coordinate with system owners to validate fixes, perform rescans, and ensure closure within SLA timelines
Track remediation progress and generate regular vulnerability reports
Track compliance with patching SLAs
Perform host configuration reviews(e.g., CIS benchmarks)
Maintain and update scan policies, plugins, and configurations
Monitor security events and logs using Splunk
Develop and fine-tune search queries, dashboards, and alerts
Perform log reviews to identify anomalies, suspicious patterns, and threats
Correlate logs across multiple sources (servers, firewalls, endpoints, applications)
Investigate alerts and elevate confirmed incidents
Prepare audit artifacts such as vulnerability reports, log review records
Maintain SOPs for vulnerability scanning and log monitoring processes
Assist in system hardening and patch validation after vulnerability remediation
Assist in improving security controls and system hardening
Stay updated on emerging vulnerabilities and threat intelligence

Qualifications

Hands-on experience with Nessus (scan configuration, report analysis)
Understanding of vulnerability scoring (CVSS), patching, and risk prioritization
Familiarity with log sources: Windows Event Logs, Linux sys logs, firewall logs, application logs
Conduct periodic reviews of privileged and administrative accounts across systems and applications
Investigate suspicious activities such as privilege escalation or abnormal admin actions
Ensure compliance with security policies and standards for privileged access
Provide security recommendations and guidance to technical teams during system changes or deployments
Support audit and compliance activities by liaising with stakeholders to gather required evidence
Ability to follow structured processes and compliance requirements
Good communication skills for working with system owners and auditors

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Highlights

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