IT Security Officer

iMasFinance; Centurion; On-site; ZAR 400 000 - 600 000; Full time

Job summary

A financial services company in Centurion is seeking an IT Security Officer to manage and monitor their information security framework. The ideal candidate has relevant certifications and at least 3 years of experience, particularly working with Active Directory. Responsibilities include conducting penetration testing and ensuring the protection of sensitive data. Competitive salary and benefits are offered.

Responsibilities

• Manage and monitor information security hardware, network, telecoms and software.
• Provide input to the IT security strategy and enhancements.
• Implement and maintain information security framework and plans.
• Conduct penetration testing and vulnerability assessments.

Skills

Problem solving

Planning and organizing skills

Time management skills

Ability to work independently

Education

Relevant technology certification; Certified Ethical Hacker (CEH) or equivalent / Security analyst, penetration testing certification

Certified ISO / IEC 27002

Tools

Cisco Routers and Switches

Cisco Firewalls

Linux operating systems

Job description

Job title

IT Security Officer

Job Location

Gauteng, Centurion

Deadline

November 15, 2025

Job Purpose

• The purpose of the position is to manage and monitor information security (hardware, network, telecoms and software) and control access authorization to mitigate risk to the organization.

Job Outputs

• Provide input to the IT security strategy and IT security enhancements.
• Assist with development of the IT security policy, procedures and standards.
• Implement, maintain and ensure adherence to information security framework and information security plan.
• Maintain appropriate security measures and mechanisms to guard against unauthorized access and protect against reasonably anticipated threats and hazards.
• Perform internal and external penetration testing.
• Conduct Network Security and Auditing on infrastructure.
• Ensure that vulnerabilities are resolved in a timely manner.
• Conduct trend analysis and testing.
• Ensure implementation of access management processes.
• Authorise and manage access to IT facilities and infrastructure.
• Investigate unauthorised access, compliance and performance of administrative duties relating to security management.
• Back-ups and Disaster recovery plans developed and implemented.
• Facilitating business awareness regarding IT security and current trends.

Qualifications

• Relevant technology certification; Certified Ethical Hacker (CEH) or equivalent / Security analyst, penetration testing certification
• Certified ISO / IEC 27002

Preferred Certifications

• Certified ISO / IEC 27001 Foundation
• ITIL Certification
• CCNA Security
• CCNP Security
• Valid Code 08 Driving licence

Experience

• 3 years’ experience working with Active Directory
• 2-3 years’ experience in :
• Penetration Testing
• Vulnerability Assessments
• Network Security and Auditing
• Cisco Routers and Switches
• Cisco Firewalls
• VPN wireless
• Linux operating systems

Knowledge and Skills

• Problem solving
• Planning and organizing skills
• Time management skills
• Ability to work independently
• ICT jobs