IT Support Technician 2 / 3 level
Cit Business Solutions · Johannesburg, Gauteng
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We are a growing Managed Service Provider supporting small and medium businesses with proactive IT management, cloud, networking, and security. We design, deploy, and maintain modern infrastructure, with a strong focus on Ubiquiti UniFi networks. You'll work in a team that values learning, ownership, and great client service.
We're looking for a technically strong technician to resolve escalated incidents, handle project deployments, and maintain client environments.
Duties & Responsibilities
Key Responsibilities
- Resolve escalated tickets (L1 escalations) within SLA, with clear documentation
- Support, troubleshoot, and maintain Windows 11 and Windows Server environments
- Build, manage, and recover virtual machines (backup restores, replication, failover)
- Administer Microsoft 365: Exchange Online, OneDrive, SharePoint, Teams, Entra ID (Azure AD), Intune
- Configure, deploy, and troubleshoot firewalls, managed switches, and wireless access points
- Deploy and maintain UniFi networks and other (gateways, switches, APs, VLANs, VPNs)
- Perform proactive maintenance: patching, monitoring alerts, backup checks
- Complete client site visits and new-client onboarding
- Keep documentation current (network diagrams, credentials, runbooks)
- Lead projects, handle major incidents, design solutions, mentor other staff, and contribute to standards and process improvement
Desired Experience & Qualification
Technical Requirements
Microsoft Windows
- Windows 11 deployment, imaging, and troubleshooting
- Windows Server (2016/2019/2022): Active Directory, DNS, DHCP, Group Policy, file services
- PowerShell for basic automation
Virtualization and Recovery
- Hyper-V and/or VMware
- VM creation, snapshots, migration, and restoration
- Backup and recovery tools
Microsoft 365
- Exchange Online: mailboxes, shared mailboxes, mail flow, SPF/DKIM/DMARC, spam and phishing remediation
- OneDrive and SharePoint: permissions, sync issues, restores
- Teams: policies, channels, calling, and meeting issues
- Licensing, MFA, Conditional Access, Entra ID, Intune
Networking (strong knowledge required)
- TCP/IP, subnetting, VLANs, routing, DHCP, DNS, NAT
- Firewall configuration and troubleshooting: rules, site-to-site and remote access VPN, IDS/IPS, content filtering
- Managed switches: VLANs, trunking, LACP, STP, PoE, port troubleshooting
- Wireless: site surveys, channel planning, roaming, SSID/VLAN design, interference troubleshooting
- Packet captures and diagnostic tools (Wireshark, ping/traceroute, etc.)
Advantageous
- Ubiquiti UniFi: UniFi Network, Protect, Access, and Talk; Dream Machine/Gateway/Switch/AP deployments
- VoIP: SIP, PBX/hosted platforms (e.g. Grandstream), QoS, handset provisioning, call-quality troubleshooting
- Other firewall vendors ( Sophos )
- RMM tools ( N-able)
Certifications
CompTIA A+, Network+; Microsoft MD-102 (Endpoint Administrator) or MS-900
CompTIA Network+ and Security+, or Cisco CCNA; Microsoft MD-102 and MS-102 (M365 Administrator)
Server / Virtualization
AZ-800 or equivalent (preferred)
AZ-800/AZ-801, VMware VCP, or Veeam VMCE
Networking / Security
Ubiquiti UniFi certification (advantage)
Ubiquiti UniFi certifications (UEWA/UniFi Academy), Fortinet NSE 4 or equivalent firewall vendor cert
Advantageous
Microsoft SC-900
MS-700 (Teams), SC-300, AZ-104, CCNP-level, VoIP vendor certs (e.g. 3CX)
Equivalent practical experience will be considered in lieu of certifications,
Experience
- Level 2: 3 to 5 years in an IT support or MSP environment, including L1 to L2 escalation work
- Level 3: 5+ years, including 2+ years in an MSP or multi-client environment, with demonstrated project leadership
Soft Skills
- Clear written and verbal communication with non-technical clients
- Strong ticket discipline and documentation habits
- Ability to prioritise under pressure across multiple clients
- Ownership mindset, with a drive to find root causes rather than quick fixes
- Willingness to learn and share knowledge
Other Requirements
- Valid driver's licence and own reliable transport (site visits)
- Willingness to participate in after-hours/on-call rotation and occasional project work outside business hours
- Clear criminal and credit background check
Package & Remuneration
Market Related