IP Telephony Engineer - 3CX /Avaya

🏢 Bits Secure IT Infrastructure LLC
📍 Dubai, United Arab EmiratesFull-timeOn-site
📅 Posted: 1w ago🔄 Updated: 1w ago
CV%
✨ AI Summary
We are seeking an experienced IP Telephony Engineer with strong hands-on expertise in 3CX and Avaya systems. The role involves customer implementation, configuration, and support of Unified Communications solutions, including PABX/IP-PBX, VoIP, and SIP Trunking. You will be responsible for configuring IVR, call routing, IP phone provisioning, and troubleshooting voice-related network issues. A solid understanding of networking protocols such as TCP/IP, VLAN, DHCP, DNS, NAT, QoS, and firewall rules is essential. The ideal candidate will also have expertise in infrastructure areas like Networking & Security, Server & Identity, Virtualization & Business Continuity, and Cloud & Hybrid environments. This is a full-time position requiring 4-6 years of relevant experience, with a minimum of 4 years in enterprise IP telephony/UC delivery. The role requires travel within the UAE and passing a live technical assessment. 3.1 Must Have – Unified Communications (Non-Negotiable)Strong, current hands-on experience with 3CX, including customer implementation, configuration, and support.Practical experience with Avaya PABX / IP Office.Strong knowledge of PABX/IP-PBX, VoIP, and Unified Communications.Hands-on expertise in SIP/SIP Trunking, including registration, dial plans, codecs, NAT traversal, and troubleshooting through logs/traces.Experience configuring IVR/Auto Attendant, Call Queues, Ring Groups, Call Routing,
Required Skills
Other
3CXAvayaIP telephonyPABX/IP-PBXSIP/SIP TrunkingIVRAuto AttendantCall QueuesRing GroupsVoicemailIP phone provisioningNATQoSNACNGFWOU/GPOHardeningSAN/NASRAIDDRRestore TestingTeams PhonePBX SystemSip TrunkingVoice GatewaysSBCIP PhonesAvaya PBXEnglishTCPIP
Soft Skills & Professional Competencies
Communication
Information Technology
VoIPRoutingTCP/IPVLANsDHCPDNSFirewallsCore NetworkingSD-WANIPSECWi-FiWindows ServerActive DirectoryPKIData ReplicationPowerShellVMwareHyper-VClusteringBackupAzureEntra IDOT SecurityCloud MigrationNetwork EngineeringSolution Design
Engineering, Construction & Trades
Troubleshooting
Productivity & Workplace Tools
Office 365
Finance, Legal & Governance
Corporate Governance
🎁 Benefits & Perks
Annual Air Ticket, Annual Leaves As Per Labour Law, Medical Insurance, Paid Leaves, Transportation, Visa, Travel Allowance
Requirements
  • 4-6 years of engineering experience, including at least 4 years of genuine hands-on enterprise IP telephony/UC delivery using 3CX and Avaya.

  • Substantial delivery for external customers at a systems integrator, MSP, service provider, OEM partner or project-delivery organization. Internal-IT-only careers do not qualify.

  • 2+ years leading engineers or project workstreams while remaining personally hands-on (configuration, CLI, troubleshooting).

  • Proven end-to-end delivery across multiple customers, technologies and sites, through to formal customer acceptance.

  • Professional-standard technical documentation: HLD / LLD, BOQ, MOP, test plans and as-built records.

  • Proven escalation and RCA leadership on complex faults.

  • Clear written and spoken English; credible in front of customer stakeholders.

  • Bachelor's degree or diploma in Engineering, Computer Science or Telecom, or equivalent demonstrable experience.

  • Able to work independently at customer sites and willing to travel within the UAE.

  • Willing to pass a live technical assessment — scenario discussion, whiteboard design, and hands-on configuration and troubleshooting on real equipment.


Preferred certifications and attributes

3CX, Avaya, CCNP / CCIE, Fortinet NSE / FCP / FCSS, Microsoft, VMware VCP, Veeam, PMP or ITIL; UAE market experience; valid UAE driving licence; AMC / SLA managed-services background

Description
3.1 Must Have – Unified Communications (Non-Negotiable)Strong, current hands-on experience with 3CX, including customer implementation, configuration, and support.Practical experience with Avaya PABX / IP Office.Strong knowledge of PABX/IP-PBX, VoIP, and Unified Communications.Hands-on expertise in SIP/SIP Trunking, including registration, dial plans, codecs, NAT traversal, and troubleshooting through logs/traces.Experience configuring IVR/Auto Attendant, Call Queues, Ring Groups, Call Routing, and Voicemail.Experience with IP phone provisioning and voice fault troubleshooting.Good understanding of voice-supporting networks: TCP/IP, VLAN, DHCP, DNS, NAT, QoS, and firewall rules.3.2 Must Have – Infrastructure ExpertiseStrong hands-on expertise in at least one of the following areas, with working knowledge of the others:Networking & Security: Routing & Switching, VLAN, STP/LACP, QoS, WAN/SD-WAN, IPsec/SSL VPN, Wireless, NAC, and NGFW.Server & Identity: Windows Server, Active Directory, OU/GPO, DNS, DHCP, PKI, Replication, Hardening, and PowerShell.Virtualization & Business Continuity: VMware/Hyper-V, Clusters, SAN/NAS, RAID, Backup, Replication, DR, and Restore Testing.Cloud & Hybrid: Microsoft 365, Azure, Entra ID, Identity & Security, Cloud Migrations, Governance, Teams Phone and Direct Routing.3.3 Added Advantage3CX and/or Avaya certification.Experience with Yeastar, Grandstream, Cisco CUCM, Microsoft Teams Phone, and SBCs such as Ribbon/AudioCodes.Experience with PRI/ISDN, Analogue Gateways, Call Recording, and Contact Centre solutions.Experience implementing and supporting multi-site and multi-tenant telephony solutions for enterprise customers.
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🎯 Overalli74%
⚡ Skillsi85%
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Ontology Match: 85.0
Matched:✓ Requirements Matching✓ Ontology Skills Mapping
📜 Eligibilityi49%
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Local: 19600%
🏗️ Career Fiti91%
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Seniority: 91.0
📋 Requirementsi67%
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Domain: 67.0
🔥 Motivationi78%
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Title Fit: 78.00