South Africa Job Openings

Sanlam
Senior Infrastructure Security Engineer
Bellville
FULL TIME
November 18, 2024
- Minimum 7 years of experience in IT security, with at least 5 years focused on Active Directory
- Proven experience in managing and securing multi-domain AD environments
- Experience with AD integration in hybrid cloud environments
- Experience in the technologies involved in networking, firewalls, Windows and Unix/Linux Operating Systems and internet protocols
- Experience with security tools such as Microsoft Entra ID Protection, Checkpoint or Forti Gate firewalls and SIEM tools
- Experience with AD migrations, mergers, or restructuring
- Experience with logging systems and log analysis
- Design and manage security configurations for AD environments, including multi-domain forests
- Perform regular security assessments and audits of AD infrastructure
- Develop and enforce security policies related to AD, including password policies, account lockout policies, and privileged access management
- Manage the lifecycle of AD accounts, groups, and organisational units (OUs)
- Implement and manage Role-Based Access Control (RBAC) and least privilege access models
- Coordinate technical response during investigations into infrastructure security-related security incidents, including unauthorised access, privilege escalation, and breaches (primary point of contact for the CSIRT)
- Develop and maintain incident response playbooks related to AD, firewalls, and VPN
- Collaborate with the Security Operations Center (SOC) to detect and respond to AD and other infrastructure threats.
- Implement measures to protect AD against common threats like Pass-the-Hash, Golden Ticket attacks, and Kerberoasting
- Implement disaster recovery solutions for AD, including backup and restore processes
- Plan and coordinate lifecycle and capacity management of the SIEM service (software version upgrades, hardware upgrades and migrations, deployment of new infrastructure)
- Ensuring compliance with regulatory standards, industry best practices, and company policies and standards
- Work closely with cybersecurity, compliance, architecture, and infrastructure & operations teams to align infrastructure security with overall organisational goals
- Provide technical leadership and mentoring to junior engineers and other IT staff.
- Prepare and present reports on AD security posture to senior management and stakeholders
- Timely and accurate communication of project status reports, risks and issues to key stakeholders
- Represent team as senior technical subject matter expert and key decision maker in project meetings and activities; function as a member of the extended central Cyber Security team during weekly progress meetings, ISO Forums; and participate in the annual strategic planning of the central Cyber Security Team
- Contribute to both Cybersecurity and Infrastructure & Operations roadmaps and overviews to key stakeholders and internal customers
- Management and oversight of 3rd party consultants assigned to specific projects
- Manage SIEM service provider
- Coordinate technical efforts in support of new initiatives to improve Cyber resilience in the group
- Matric
- Bachelor’s degree in Computer Science, Information Technology, or a related field. Equivalent experience may be considered
- Certifications such as CISSP, CISM, Microsoft Certified: Identity and Access Administrator Associate, or similar
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