IT Security Administrator (CH1305)

JVR Software; Cape Town; On-site; ZAR 420,000 - 700,000; Full time

Job summary

JVR Software, a South African financial services employer, seeks an IT Security Administrator to join the Cyber Security and IT Infrastructure team in Cape Town or Pretoria. The role is hands-on and focused on strengthening security through Microsoft Defender, EDR and 365 security controls.

The successful candidate will monitor security alerts, investigate incidents, manage vulnerabilities and support security policies while collaborating with IT teams to improve controls and awareness.

Qualifications

• Hands-on experience administering Microsoft Defender technologies and security tools.
• Experience securing Microsoft 365 environments and endpoints.
• Knowledge of vulnerability management and incident response processes.

Responsibilities

• Administer, monitor and optimize Microsoft Defender and related security tech.
• Investigate security incidents and coordinate remediation with technical teams.
• Identify vulnerabilities from scans and pen tests, track remediation.
• Support endpoint, identity and Microsoft 365 security controls (Intune, Entra ID).
• Coordinate third-party security risk assessments and remediation tracking.
• Assist with IT security solution design and infrastructure improvements.
• Support security awareness, reporting and policy enforcement.
• Collaborate to continuously improve security processes and controls.

Skills

Microsoft Defender

Defender for Endpoint

EDR

Windows security

Microsoft 365 security

Entra ID

Intune

Incident response

Vulnerability management

Education

IT/Cyber Security qualification

Tools

Microsoft Defender for Endpoint

Defender XDR

Microsoft Intune

Microsoft Entra ID

Job description

Our client, an established organisation in the financial services sector, is seeking a hands‑on IT Security Administrator to join its Cyber Security and IT Infrastructure team.

The successful candidate will be responsible for administering and monitoring security technologies, investigating security incidents, managing vulnerabilities and strengthening the organisation’s overall security posture.

This is an operational, technically focused role requiring practical experience with Microsoft.

Key Responsibilities

• Administer, monitor and optimise Microsoft Defender and related Microsoft security technologies.

• Monitor, investigate and respond to security alerts and incidents, ensuring appropriate escalation and remediation.

• Identify, investigate and coordinate the remediation of security vulnerabilities identified through scanning, penetration testing and security assessments.

• Support endpoint, identity and Microsoft 365 security controls, including Microsoft Intune and Microsoft Entra ID.

• Coordinate third-party cyber security risk assessments and track remediation activities.

• Assist with the analysis, design and implementation of IT security solutions and supporting infrastructure.

• Support security awareness initiatives, operational documentation and security reporting.

• Assist with reviewing, implementing and enforcing IT and cyber security policies.

• Collaborate with Cyber Security and IT Infrastructure teams to continuously improve security processes and controls.

Requirements

Essential:

• 3–5 years’ relevant experience in IT Security, Cyber Security or a related IT Infrastructure security role.

• Practical, hands‑on experience administering and operating Microsoft Defender security technologies, particularly Defender for Endpoint and Defender XDR.

• Experience in endpoint security and Endpoint Detection and Response (EDR).

• Experience investigating security alerts, incidents and vulnerabilities.

• Strong working knowledge of Microsoft Windows environments, Microsoft 365 and endpoint administration.

• Understanding of Active Directory, Microsoft Entra ID and identity security.

• Knowledge of networking fundamentals, including TCP/IP, DNS and DHCP.

• Understanding of vulnerability assessments, penetration-testing concepts and security remediation.

• Ability to troubleshoot security issues and coordinate resolution across technical teams.

Highly Advantageous:

• Microsoft Defender for Endpoint and Defender XDR.

• Microsoft Defender for Office 365 and Defender for Identity.

• Microsoft Intune and endpoint security controls.

• Microsoft Sentinel.

• Microsoft Entra ID security administration.

• Experience with third‑party cyber security risk assessments.

• Experience supporting security policies, compliance and awareness initiatives.

Qualifications & Certifications

• A relevant qualification in Information Technology, Cyber Security, Information Security or a related field will be advantageous.

• Relevant industry certifications will also be beneficial, including:

  • Microsoft Security Certifications

  • CompTIA Security+, Network+ or PenTest+

  • ISC2 Certified in Cybersecurity (CC)

  • ISC2 Systems Security Certified Practitioner (SSCP)

Equivalent practical experience and other recognised cyber security certifications will also be considered.

Personal Attributes

• Analytical, methodical and detail oriented.

• Strong troubleshooting and problem‑solving abilities.

• Proactive, with the ability to take ownership of security incidents through to resolution.

• Comfortable working across cyber security and IT infrastructure environments.

• Effective communication skills with technical and non‑technical stakeholders.

• Committed to continuous learning and keeping up with evolving cyber security threats and technologies.

Additional Information

The position is full‑time and office‑based, in either Claremont, Cape Town or Lynnwood, Pretoria.

Occasional after‑hours work will be required.

General:

• We are committed to fair and inclusive hiring. All suitably qualified applicants are welcome to apply.

• Preference may be given in line with our client’s Employment Equity plan and applicable legislation.

• Applicants must have the legal right to work in South Africa at the time of application.

• Only shortlisted candidates will be contacted. If you do not hear from us within 30 days, please consider your application unsuccessful.

• Please include your current remuneration (CTC), salary expectation, and notice period (optional but helpful for screening).

• By applying, you consent to the processing of your personal information for recruitment purposes in accordance with POPIA.