IT Support Engineer - 3CX / VoIP

About the role

We are looking for a hands‑on IT Support Engineer specialised in 3CX and VoIP to join our Dubai office. The role will manage and support the company’s critical communication infrastructure, ensuring high availability, security and optimal performance.

Key responsibilities

• Manage enterprise VoIP infrastructure across design, implementation, stabilisation and ongoing support.
• Provide L1 and L2 support for VoIP and communication systems.
• Lead 3CX/VoIP projects from requirements analysis through implementation, production rollout and operational support.
• Deploy, configure and optimise 3CX systems in virtualised environments.
• Design and maintain high‑availability and backup strategies.
• Harden VoIP infrastructure against security threats and remediate weaknesses.
• Troubleshoot SIP trunks, extensions, call routing, call quality and other telephony issues.
• Collaborate with business teams to understand technical requirements and deliver effective solutions.
• Support API integrations and workflow automation related to the 3CX platform.
• Administer Microsoft Office 365, Windows Server, Active Directory and user/end‑point management.
• Support voice, networking and wireless infrastructure.
• Perform system administration, hardware/software troubleshooting and enterprise IT operations.
• Work with IT service management processes and ticketing systems.

Required profile

• Strong hands‑on experience with 3CX, VoIP and SIP technologies.
• Experience supporting enterprise‑grade VoIP environments.
• Security‑first mindset with ability to harden communication systems.
• Ability to work collaboratively with both technical and business teams.
• Junior‑level experience (minimum 1 month of relevant work).

Required skills

• L1 support
• L2 support
• IT infrastructure security
• Wireless infrastructure
• Virtualised environments
• 3CX deployment
• Active Directory
• 3CX VoIP
• Call quality troubleshooting
• Backup strategies
• IT service management
• SIP call routing
• SIP technologies
• API integrations
• Microsoft Office 365
• Windows Server
• Networking
• Ticketing systems
• Workflow automation
• Optimisation
• Extensions