Lead IT Support Specialist: Messaging & Collaboration

Overview

Let's Write Africa's Story Together! Old Mutual is a firm believer in the African opportunity and our diverse talent reflects this.

Job Description:

As a technical leader within Old Mutual’s Messaging and Collaboration team, the incumbent will be responsible for architecting, implementing and maintaining enterprise-grade messaging platforms, with a strong focus on Microsoft 365, Exchange (including legacy systems), and Linux-based messaging infrastructure. This role demands deep technical expertise, strategic thinking and mentorship capabilities to support a resilient and scalable collaboration environment.

• Architect and maintain messaging infrastructure including Microsoft Exchange, Office 365, and Linux-based mail systems.
• Lead modernization initiatives to transition legacy systems to cloud-native or hybrid environments.
• Design and document messaging solutions that support modern technology methods, ensuring alignment with enterprise architecture standards.

• Provide lead-level support for messaging platforms, resolving escalated technical issues and complex configurations.
• Administer tenant-level settings, manage 3rd-party integrations and ensure secure and efficient operations across messaging services.
• Administer and optimize mail flow, mailbox provisioning, retention policies, and compliance configurations.
• Manage high-availability and disaster recovery strategies for messaging platforms.
• Monitor system health, performance, and capacity, proactively addressing issues and bottlenecks.

• Implement and maintain Linux-based messaging components and open-source tools to enhance infrastructure flexibility and performance.
• Leverage AWS serverless components and other cloud-native technologies to modernize messaging architecture.

• Support collaboration tools across the enterprise, ensuring seamless integration and user experience.
• Align infrastructure with industry best practices and compliance requirements.

• Develop and maintain Power Shell scripts and automation workflows for routine tasks, reporting, and configuration management.
• Integrate messaging services with enterprise monitoring and alerting platforms.
• Contribute to Business Impact Analysis (BIA) and resilience planning for messaging systems.

• Support and enhance collaboration tools such as Teams, SharePoint, and One Drive, ensuring seamless integration with messaging services.
• Provide technical leadership in cross-functional projects involving unified communications and digital workplace transformation.

• Serve as a technical escalation point for messaging-related incidents and service requests.
• Collaborate with internal teams and vendors to resolve complex issues and implement enhancements.
• Provide mentorship and guidance to junior engineers and contribute to knowledge-sharing initiatives.

• Matric is essential
• Relevant IT related qualification / certification
• 6+ years of experience in enterprise messaging administration, including Exchange Server (2010/2016/2019), Office 365, and Linux-based mail systems.
• Microsoft Messaging/Communications, M365 Expert Certification in or related field (or equivalent work experience)
• Strong proficiency in Power Shell and scripting for automation and reporting.
• Experience with hybrid Exchange deployments, mail routing and coexistence strategies.
• Familiarity with cloud platforms (Azure, AWS) and containerized services.
• Solid understanding of email security protocols and compliance frameworks.
• Excellent documentation, communication and stakeholder management skills.

• Computer Literacy
• Database Administration
• Database Management Systems (DBMS)
• Database Queries
• Data Controls
• Document Management
• Executing Plans
• Expertise Management System
• Knowledge Management
• Metadata Management
• Object-Oriented Database Management System (OODBMS)
• Office Systems
• Oral Communications
• Policies & Procedures
• Test Case Management

• Collaborates
• Communicates Effectively
• Decision Quality
• Ensures Accountability
• Manages Complexity
• Optimizes Work Processes
• Plans and Aligns
• Tech Savvy

NQF Level 5 - Higher, Advance or Occupational Certificate or equivalent

26 February 2026, 23:59

The appointment will be made from the designated group in line with the Employment Equity Plan of Old Mutual South Africa and the specific business unit in question.