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Craig Mthika

Craig Mthika

Senior IT Infrastructure & Systems Administrator

Talent
BoksburgMember since October 15, 2026
Microsoft 365 AdministrationMicrosoft Exchange OnlineSharePoint OnlineBackup Administration
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Microsoft 365 AdministrationMicrosoft Exchange OnlineSharePoint OnlineBackup Administration

About

Senior IT Infrastructure & Systems Administrator with 10+ years of experience supporting and managing enterprise infrastructure, Microsoft 365 platforms, virtualization, networking, and cybersecurity solutions. Demonstrated success in leading IT operations, administering business-critical systems, and delivering secure, reliable technology services. Strong expertise in Microsoft 365, Entra ID, VMware, FortiGate, Veeam, and Windows Server environments.

Experience

Senior IT Support Technician / Site IT Lead - Packaging Management Services

(2023)

  • Lead IT operations and infrastructure support across multiple business locations.
  • Act as senior escalation point for complex technical incidents and infrastructure-related issues.
  • Administer Microsoft 365 environment including Exchange Online, Teams, SharePoint Online, OneDrive, and Entra ID.
  • Manage Active Directory user accounts, permissions, group policies, and security controls.
  • Support and maintain Windows Server environments and core business services.
  • Administer VMware virtual infrastructure including server provisioning and maintenance.
  • Manage Veeam backup operations and disaster recovery processes.
  • Configure, monitor, and troubleshoot FortiGate firewall environments.
  • Support Cisco Catalyst C9800 wireless infrastructure and enterprise wireless connectivity.
  • Manage Ubiquiti UniFi wireless controller environments.
  • Maintain enterprise email security using Mimecast.
  • Deliver infrastructure upgrades, hardware refreshes, and technology improvement projects.
  • Coordinate third-party vendors, service providers, and support partners.
  • Ensure compliance with IT policies, security standards, and operational procedures.
  • Improved stability and performance of site infrastructure through proactive maintenance and monitoring.
  • Successfully supported Microsoft 365 administration and user management across multiple departments.
  • Reduced downtime through improved escalation processes and preventative support measures.
  • Led infrastructure upgrade initiatives while maintaining business continuity.

Level 2 IT Support Technician - Newmantle

(2020 - 2023)

  • Provided advanced technical support for desktop, server, network, and Microsoft 365 environments.
  • Administered Active Directory, DNS, DHCP, and Windows Server services.
  • Supported Microsoft Exchange Online and Azure/Entra user administration.
  • Managed VMware virtual servers and infrastructure monitoring.
  • Assisted with backup administration and recovery processes using Veeam.
  • Performed network troubleshooting and infrastructure support activities.
  • Managed endpoint security and patch management activities.
  • Participated in server migrations and infrastructure improvement projects.
  • Maintained technical documentation and operational procedures.
  • Consistently achieved SLA targets.
  • Reduced recurring technical issues through root cause analysis and process improvements.
  • Supported successful migration and infrastructure enhancement projects.

IT Support Technician - Packaging Management Services

(2018 - 2020)

  • Delivered end-user support for desktop, laptop, mobile, and printer environments.
  • Managed Active Directory accounts and permissions.
  • Supported network infrastructure and business applications.
  • Assisted with Microsoft Office 365 support and administration.
  • Logged and resolved incidents using service desk platforms.
  • Provided remote and onsite user support.

Infrastructure Assistant - Pail Pac

(2015 - 2017)

  • Supported IT infrastructure and networking projects.
  • Maintained computer systems and peripheral devices.
  • Assisted with cabling, connectivity, and hardware installations.
  • Performed system troubleshooting and maintenance activities.
  • Supported server and network administration teams.

Education

CompTIA A+ (Information Technology) - Boston City Campus & Business College (2023)

Business Administration Services (Level 3) - PMI, Durban (2021)

Skills

Senior IT Infrastructure & Systems Administrator

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