Senior Information Security Analyst

Datonomy Solutions; Gauteng; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Datonomy Solutions in Gauteng seeks an experienced Information Security Analyst to provide specialist technical expertise in a financial services setting. You will resolve complex security issues, implement and maintain security technologies, and strengthen processes and standards that protect business systems.

You will work hands-on, advise stakeholders, and mentor other analysts and administrators, contributing to security governance and risk management across projects.

Qualifications

• Advanced diploma or relevant bachelors degree.
• CISSP, CISM or a relevant equivalent security qualification/certification is essential.
• 1015 years experience in an IT environment.
• At least two years experience in a senior role within a relevant technical discipline.
• At least 35 years experience specialising in an information security technology.
• Demonstrated experience implementing, supporting and troubleshooting security technologies.
• Experience managing technical changes, resolving incidents and maintaining operational stability.

Responsibilities

• Investigate and resolve complex technical information security issues, working with business and technology stakeholders to develop effective solutions.
• Implement, support and optimise security technologies, ensuring the stability and availability of the environments under your responsibility.
• Analyse system logs, security reports and management information to identify deviations, investigate issues and implement corrective actions.
• Plan, assess and implement security changes across low-, medium- and high-risk categories, verifying successful implementation and addressing associated risks.
• Create, maintain and review information security standards, processes and procedures.
• Monitor security environments for alignment with established policies, standards and best practices.
• Evaluate new security products and solutions, define selection criteria, and participate in research, proofs of concept and technology assessments.
• Support the implementation and operational handover of new security technologies.
• Review project documentation and provide technical security input throughout the system development life cycle.
• Identify opportunities to improve security processes, reduce risk and deliver cost-effective solutions.
• Collaborate with vendors and internal teams on security products, services and incident resolution.
• Provide technical guidance, supervision and mentoring to security administrators and analysts.
• Stay informed about emerging threats, attack vectors and developments in security technology.
• Provide support outside normal working hours when required to resolve critical issues and maintain service availability.

Skills

Threat analysis

Incident response

Log analysis

Stakeholder engagement

Mentoring

Security policies

Governance and risk controls

Technical documentation

Project delivery

Analytical thinking

Education

Bachelor's degree

Advanced diploma

CISSP or CISM certification

Tools

Splunk SIEM

Firewall administration

IDS/IPS

Windows OS

Linux OS

TCP/IP networking

Job description

We are seeking an experienced Information Security Analyst to provide specialist technical expertise within a financial services environment. The successful candidate will resolve complex security issues, implement and maintain security technologies, and strengthen the processes and standards that protect business systems.

This role requires a hands‑on security specialist who can work independently, advise stakeholders and mentor other analysts and administrators.

Key Responsibilities

• Investigate and resolve complex technical information security issues, working with business and technology stakeholders to develop effective solutions.
• Implement, support and optimise security technologies, ensuring the stability and availability of the environments under your responsibility.
• Analyse system logs, security reports and management information to identify deviations, investigate issues and implement corrective actions.
• Plan, assess and implement security changes across low-, medium- and high-risk categories, verifying successful implementation and addressing associated risks.
• Create, maintain and review information security standards, processes and procedures.
• Monitor security environments for alignment with established policies, standards and best practices.
• Evaluate new security products and solutions, define selection criteria, and participate in research, proofs of concept and technology assessments.
• Support the implementation and operational handover of new security technologies.
• Review project documentation and provide technical security input throughout the system development life cycle.
• Identify opportunities to improve security processes, reduce risk and deliver cost-effective solutions.
• Collaborate with vendors and internal teams on security products, services and incident resolution.
• Provide technical guidance, supervision and mentoring to security administrators and analysts.
• Stay informed about emerging threats, attack vectors and developments in security technology.
• Provide support outside normal working hours when required to resolve critical issues and maintain service availability.

Minimum Requirements

• An advanced diploma or relevant bachelors degree.
• CISSP, CISM or a relevant equivalent security qualification/certification is essential.
• 1015 years experience in an IT environment.
• At least two years experience in a senior role within a relevant technical discipline.
• At least 35 years experience specialising in an information security technology.
• Demonstrated experience implementing, supporting and troubleshooting security technologies.
• Experience managing technical changes, resolving incidents and maintaining operational stability.

Technical Knowledge and Skills

• Information security threats, attack vectors and security principles.
• Information security policies, standards and procedures.
• Governance, risk and controls.
• TCP/IP networking and relevant operating systems.
• System log analysis, reporting and data analysis.
• System development life cycle and project delivery principles.
• Relevant regulatory requirements.
• Vendor management and technical stakeholder engagement.
• Clear technical documentation and business writing.

Personal Attributes

• Strong analytical judgement and problem-solving ability.
• Confidence working independently and taking ownership of complex issues.
• Ability to explain technical matters clearly and influence stakeholders.
• A collaborative approach and willingness to share knowledge.
• Ability to coach and develop colleagues.
• A practical approach to improving processes and introducing new solutions.