Information Security Officer

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📍 South Africa

📅 Posted 2026-08-22 · via Himalayas

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Information Security Officer
Maintain Operational Systems, Networks and Security

- Facilitate annual PCI audits and ensure ongoing compliance.

- Ensure Linux systems are patched promptly and securely, coordinating through the correct change control process if customer impact is anticipated.

- Maintain and monitor Elastic SIEM, respond to alerts, and perform in-depth investigations.

- Troubleshoot system issues across all technology stacks including production/QA environments, databases, networks, and integrations.

- Deploy and manage tooling to enhance operations, security, and efficiency.

- Research and implement new tools (open source or commercial) that improve system performance, monitoring, logging, security, or compliance.

- Develop Python scripts and tools to automate repetitive tasks.

AWS Cloud Infrastructure

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Securely architect and manage AWS services, including but not limited to:

- VPC, EC2, ECS/Fargate, ECR

- GuardDuty, CloudWatch, CloudTrail

- Load balancers, VPNs, and WAFs

- Maintain robust connectivity between third parties, banking partners, and on-premises data centres.

- Implement and enforce best practices in system isolation, scope reduction, and security.

Hardware Security Modules (HSM)

- Support field engineers and maintain internal HSMs (Futurex, Thales).

- Conduct key management ceremonies and maintain PCI compliance.

Security Governance & Compliance

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Assist with audits and regulatory requirements including:

- PCI-DSS & PCI+PIN

- ISO 27001 (Stretch goal)

- GDPR

- Maintain accurate and current documentation of infrastructure, procedures, and security policies.

- Promote a security-aware culture within the company.

Automation & Efficiency

- Implement automation to enhance both infrastructure and security management.

- Optimise costs while maintaining high security and performance standards.

Security Monitoring & Reporting

- Ensure weekly vulnerability scans are completed, tracked, and resolved within SLA.

- Review and sign off on daily/weekly PCI business-as-usual activities.

- Analyse data and report security metrics monthly.

- Collaborate with 3rd parties to complete and pass PCI certification audits.

- Review and uphold The Companys security commitments to external partners.

What Were Looking For
Qualifications & Experience

- Bachelors degree in Computer Science, Information Security, or related field.

- At least 3 years relevant experience in security or infrastructure roles.

- Experience in the payments or banking sector preferred.

- Familiarity with PCI audits, DevOps practices, Linux, MySQL, and AWS.

Skills & Knowledge

- Strong understanding of PCI-DSS requirements and security standards.

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Hands-on experience with:

- Linux (security patching, system administration)

- MySQL

- AWS services and virtual networking (VPC, ALB/NLB, WAF, VPNs, etc.)

- Automation tools: CloudFormation, Ansible, Puppet, Chef

- CI/CD: Bitbucket Pipelines, Jenkins

- Scripting: Bash, Python

- Containers: Docker, Kubernetes, ECS

- Monitoring: Zabbix, Nagios

- Logging & SIEM: ELK Stack, CloudWatch, Elastic, Splunk

Originally posted on Himalayas

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