Senior SIEM Engineer (Cybersecurity Analyst)
Johannesburg, ZA
Job Classification
Job req - 142582
Closing date - 24 October 2025
Job Family
Career Stream
IT Risk
Leadership Pipeline
FAIS Affected
Job Purpose
We are seeking a highly skilled and experienced Senior SIEM Engineer to lead and enhance our Security Information and Event Management (SIEM) capabilities. The ideal candidate will have deep expertise in Elastic and/or Splunk, strong Linux and scripting skills, and a solid understanding of Windows systems, firewalls, IPS, and EDR technologies. Experience in the financial sector, particularly banking, is highly desirable.
Job Responsibilities
- Design, implement, and maintain SIEM solutions (Elastic/Splunk) across enterprise environments.
- Develop and optimize detection rules, dashboards, and alerts for threat monitoring.
- Integrate diverse log sources including Windows, Linux, firewalls, IPS, and EDRs.
- Automate tasks using scripting languages (Bash, Python).
- Collaborate with incident response and threat intelligence teams to improve detection and response capabilities.
- Conduct regular health checks, performance tuning, and upgrades of SIEM infrastructure.
- Support compliance and audit requirements through log retention and reporting.
- Mentor junior engineers and contribute to capability development within the department.
- Write and maintain technical documentation for SIEM configurations, processes, and playbooks.
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- Apply an automation-first mindset to streamline operations and reduce manual effort.
- Demonstrate strong attention to detail in rule creation, log analysis, and incident handling.
Essential Qualifications - NQF Level
- Diploma
- Advanced Diplomas/National 1st Degrees
Preferred Qualification
- Certifications such as GCIA, GCIH, Splunk Certified Architect, Elastic Certified Engineer, or similar.
- Exposure to regulatory frameworks (e.g., SARB, POPIA, PCI-DSS)
Preferred Certifications
Relevant Information Security Certification
Required Skills & Experience
- 5+ years in cybersecurity operations or engineering roles.
- Proven experience with Sentinel, Elastic Stack (ELK) and/or Splunk Enterprise Security.
- Proficient in Linux administration and scripting (Bash, Python).
- Familiarity with Windows event logging, firewalls, IPS/IDS, and EDR platforms.
- Familiarity with different Cloud platforms.
- Experience in log ingestion, parsing, and normalization.
- Understanding of MITRE ATT&CK, threat detection frameworks, and incident response workflows is highly advantageous.
- Excellent problem-solving and communication skills.
- Experience with alert lifecycle management, data indexing, and case management is highly advantageous.
Technical / Professional Knowledge
- Administrative procedures and systems
- Data analysis
- Governance, Risk and Controls
- Principles of project management
- Relevant regulatory knowledge
- Relevant software and systems knowledge
- Cluster Specific Operational Knowledge
- System Development Life cycle(SDLC)
- TCP/IP
- Information Security terms and definitions
- Relevant Operating System
- Information Security policies and procedures
- Vendor Management Principles
Behavioural Competencies
- Applied Learning
- Communication
- Collaborating
- Customer Focus
- Initiating Action
- Managing Work
- Technical/Professional Knowledge and Skills
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Please contact the Nedbank Recruiting Team at +27 860 555 566