IT Security & Messaging Specialist - Helderkruin
Fidelity Services Group
Roodepoort, Gauteng
Permanent
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Posted 13 October 2025 - Closing Date 20 October 2025

Job Details

Job Description

Position: IT Security & Messaging Specialist

Reports to: Group Enterprise Infrastructure Manager

Overview:

This role involves managing and monitoring the organization's email and cybersecurity infrastructure, specifically focusing on Microsoft 365 mail flow, Mimecast, Darktrace, and Trallix. The candidate will perform daily health checks, proactive monitoring, and analysis of alerts generated by the SOC.

Skill Requirements:

  • Strong understanding of Microsoft 365 mail flow and Exchange Online
  • Experience with Mimecast administration and email security policies
  • Proficiency in Darktrace monitoring, alert analysis, and incident response (experience beneficial)
  • Trallix experience beneficial
  • General IT operations background including troubleshooting and support
  • Experience with Active Directory and Microsoft Entra ID
  • Ability to perform root cause analysis and implement preventative measures
  • Excellent spoken and written English skills
  • Strong documentation and reporting capabilities

Specialised Tasks:

  • Perform daily health checks on Microsoft 365, Mimecast, Darktrace, and Trallix systems
  • Investigate and respond to Darktrace alerts in collaboration with the SOC
  • Maintain and optimize email flow and security configurations
  • Participate in 24/7/365 standby roster for incident response and support
  • Provide third-line support for messaging and security infrastructure
  • Collaborate with infrastructure and security teams to ensure system integrity

Support for the following Systems:

  • Microsoft 365 (Exchange Online, Defender for Office 365)
  • Mimecast Email Security and Archiving
  • Darktrace AI Cybersecurity Platform
  • Trallix Security Platform
  • Active Directory and Microsoft Entra ID
  • General Windows Server and networking fundamentals

Development of new systems and processes:

  • Contribute to the design and implementation of improved monitoring and alerting workflows
  • Assist in the rollout of new security and messaging features
  • Ensure compliance with internal policies and external regulation
Additional requirements/attributes:
  • Excellent communicator able to articulate technical issues and solutions
  • Strong analytical and problem-solving skills
  • Ability to work independently and within a team
  • Commitment to delivering high-quality services
  • Willingness to travel and work flexible hours
  • Must hold a current SA Driving License

Leadership Competencies:

  • Business and Commercial awareness
  • Critical Thinking and Decision Making
  • Customer Focus
  • Driving to Deliver
  • Collaborative Working
  • Change Orientation
  • Communication
  • Inspiring Confidence
  • Problem Management

We reserve the right not to make an appointment to any advertised position. Whilst preference is given to existing employees at all times and the choice made is purely on merit, Historically Disadvantaged Candidates and Black Female Candidates are encouraged and supported in the FSG team.  Whilst black female candidates will be given priority as per our transformation policy subject to the above criteria.

Fidelity Services Group (Pty) Ltd supports global fair practice and business ethics on continuous development of our human capital as the key resource to our success in the markets in which we participate.

Should you not be contacted regarding this position within 10 working days from the closing date, please regard your application as unsuccessful.