Dalene Willemse

Technically skilled Cyber Security and Vulnerability Management professional with enterprise experience identifying, analyzing, prioritizing and coordinating the remediation of vulnerabilities across servers, workstations and Microsoft 365 environments. Hands-on experience with Qualys VMDR, Microsoft Defender, Intune, ServiceNow, patch management and proactive infrastructure monitoring. Experienced in conducting and supporting PCI audits and Cyber Essentials Plus (CE+) readiness, preparing audit evidence, validating remediation and communicating security risks clearly to customers, engineers, managers and auditors.

Vulnerability Specialist at Advania UK (2022-01 – Present)

• Monitor customer environments using Qualys VMDR, Microsoft Defender, and supporting data sources to identify, assess and prioritize vulnerabilities across servers and endpoints.
• Coordinate remediation with infrastructure, platform, Modern Workplace, service desk, application and customer teams, maintaining clear ownership, escalation and closure tracking.
• Conduct and support PCI audits by reviewing vulnerability status, coordinating remediation, collecting evidence, and preparing audit-ready reporting for stakeholders and auditors.
• Support CE+ readiness by validating in-scope devices, investigating control failures, tracking remediation, and preparing clear evidence for audit review.
• Analyze CVEs and recurring findings, validate detection logic, distinguish genuine exposure from detection issues, and recommend practical remediation or risk treatment.
• Use Intune and endpoint data to validate device enrolment, security-tool deployment, coverage and compliance across Windows and macOS environments.
• Produce Power BI and Excel dashboards and customer-facing reports covering security posture, vulnerability ageing, remediation priorities, exceptions and progress.
• Manage incidents, requests and remediation work through ServiceNow, including change of coordination and CAB/ECAB activities.
• Translate technical findings into concise, actionable updates for customers, engineers, managers, and auditors.
• Supported customer environments through PCI and CE+ audit activities, including remediation validation, evidence collation, and audit reporting.
• Improved remediation workflows through risk-based prioritization, cross-team coordination, and clear audit-ready documentation.
• Identified vulnerability detection and data-quality issues that improved reporting accuracy and remediation decisions.

Patch & Vulnerability Analyst at Computacenter (2013-01 – 2015-12)

• Analyzed vulnerability reports, categorized risk and enforced compliance through Windows Server patching and remediation.
• Planned, tested and deployed security updates using BladeLogic, SCCM and WSUS, with restore planning and stakeholder communications.
• Managed changes, incidents, and patching notifications through IT service management processes.
• Troubleshot failed patches, documented root causes, and collaborated with Microsoft on complex issues.
• Created daily and monthly SQL-based reports to reduce duplicate reporting requests.

Operations Monitoring Analyst at Computacenter (2013-01 – 2015-12)

• Monitored server and network infrastructure availability and identified system failures.
• Provided second-line support, logged alerts, and coordinated resolution with resolver groups.
• Verified operational backup procedures and maintained incident records.

Service Engineer at Sanlam / Gijima (2013-01 – 2015-12)

• Delivered SCCM-based deployments, operating system upgrades, workstation rebuilds, and desktop support.
• Configured email, printers, scanners and endpoint services and resolved hardware and software issues.
• Removed malware, ransomware and other endpoint threats and supported secure device restoration.

National Certificate in IT Systems Support – NetCampus (2021-12)

PC Technician Certificate – IT Business Campus (2008-01 – 2009-12)

Matric – Uitzight Senior Secondary School (1990-12)