Vulnerability Management Specialist

3 days ago

Johannesburg, Gauteng, South Africa Gijima Holdings Full time
Job Overview

We are seeking a highly skilled Cybersecurity Analyst to join our team at Gijima Holdings. As a Vulnerability Management & Cybersecurity Analyst, you will play a critical role in safeguarding our IT and OT systems.

Key Responsibilities
  • Vulnerability Assessments: Conduct regular vulnerability scans using Tenable and Nozomi Networks, covering both IT and OT environments, including SCADA, PLCs, and other ICS systems.
  • Risk Prioritization: Assess vulnerabilities based on risk impact, exploitability, and criticality to business operations.
  • Remediation Management: Collaborate with IT and OT teams to ensure vulnerabilities are patched or mitigated within defined timelines.
  • Lifecycle Management: Track vulnerabilities from identification to remediation, ensuring a continuous improvement process.
Patch Management
  • Ensure timely and safe application of patches in IT and OT systems, working closely with system administrators and OT engineers.
  • Propose compensating controls where patching is not feasible, particularly in OT environments where uptime is critical.
Threat Correlation & Prioritization
  • Leverage threat intelligence to correlate vulnerabilities with active and emerging threats, ensuring swift mitigation of high-risk vulnerabilities.
Security Monitoring & Incident Response
  • Monitor SIEM, IDS/IPS, and network security tools for signs of potential security threats.
  • Analyze logs and network data to detect suspicious behavior and threats across IT and OT environments.
  • Participate in incident response activities, helping to mitigate active exploits and vulnerabilities.
Security Risk Assessments & Compliance
  • Conduct security risk assessments to identify weaknesses in IT and OT systems.
  • Collaborate with business units to evaluate security risks from new technologies, applications, or infrastructure changes.
  • Ensure compliance with relevant industry standards and frameworks such as NIST SP, ISA/IEC 62443, and ISO.
Access Control & Security Governance
  • Manage and monitor access control for IT and OT systems, ensuring that access rights are aligned with business needs.
  • Contribute to the development and enforcement of security policies that align with industry regulations, such as POPIA, GDPR, and sector-specific guidelines for oil and gas.
Requirements
  • 3-5 years of experience in cybersecurity, with a focus on vulnerability management, security monitoring, and incident response in IT and OT environments.
  • Prior experience in the oil and gas industry, particularly in securing ICS/SCADA systems.
  • Demonstrated experience managing security incidents and mitigating risks.
Preferred Certifications
  • Tenable Certified Engineer
  • Certified Vulnerability Assessor (CVA)
  • Offensive Security Certified Professional (OSCP) or Certified Penetration Testing Professional (eCPTP)
  • Certified Information Systems Security Professional (CISSP)
  • GIAC Global Industrial Cyber Security Professional (GICSP)
Soft Skills
  • Strong analytical thinking and problem-solving capabilities.
  • Excellent communication skills to engage with both technical and non-technical stakeholders.
  • Proven ability to manage complex security challenges and work collaboratively with cross-functional teams.

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