Senior Voice Engineer

Precedence Technologies; United Arab Emirates; On-site; AED 240,000 - 360,000; Full time

Job summary

Precedence Technologies seeks a Senior Voice Engineer to implement, manage, and support enterprise voice and unified communications across complex environments. You will design dial plans, routing, and voice architectures, while leading upgrades and migrations.

You will work with Avaya Aura, Mitel MiVoice, Alcatel-Lucent systems, SIP-based solutions, and QoS troubleshooting in WAN/LAN networks. 24x7 support and coordination with vendors are required.

Qualifications

• 6–8+ years of enterprise voice engineering experience.
• Experience with Avaya Aura CM, SM, SBCE, System Manager; Mitel MiVoice/MX-ONE; Alcatel OmniPCX/OXE.
• Strong knowledge of SIP, H.323, ISDN, VoIP, SBCs, media gateways; dial plan design and call routing.
• Experience with QoS implementation and packet analysis (Wireshark).
• WAN/LAN voice quality troubleshooting; certifications preferred.
• Strong analytical skills, vendor coordination, and 24×7 support capability.

Responsibilities

• Implement and deploy enterprise voice solutions across multi-site environments.
• Design dial plans, call routing, numbering schemes, and voice architectures.
• Execute upgrades, migrations, and technology refresh projects.
• Integrate SIP, PSTN, SBC, and contact center solutions.
• Provide L2/L3 support, incident troubleshooting, and performance monitoring.
• Coordinate with vendors for escalations and TAC cases.

Skills

Voice engineering

Avaya Aura

Mitel MiVoice

Alcatel-Lucent OXE

QoS

Wireshark

24x7 support

Tools

SBCs

VoIP hardware

Job description

Join our team as a Senior Voice Engineer and play a key role in implementing, managing, and supporting enterprise voice and unified communications platforms across complex environments.

Duties & Responsibilities

• Implement and deploy enterprise voice solutions including Avaya Aura, Avaya IPO, Mitel, and Alcatel-Lucent Enterprise systems.
• Design dial plans, call routing, numbering schemes, and voice architectures.
• Execute upgrades, migrations, and technology refresh projects.
• Integrate SIP, PSTN, SBC, and third-party contact center solutions.
• Provide L2/L3 support, incident troubleshooting, and performance monitoring.
• Manage MACD activities, gateways, session management, and media resources.
• Ensure QoS for VoIP across LAN/WAN environments.
• Support voicemail, contact center, softphone, SIP trunk, PRI, and survivability solutions.
• Implement high availability, redundancy, and DR testing.
• Apply TLS, SRTP, patching, firmware upgrades, and security best practices.
• Maintain HLD, LLD, SOPs, and operational documentation.
• Coordinate with vendors for escalations and TAC cases

Qualifications & Skills

• 6–8+ years of experience in enterprise voice engineering within multi-site or contact center environments.
• Strong hands‑on experience with Avaya Aura (CM, SM, SBCE, System Manager), Avaya & Mitel Contact Center, Mitel MiVoice Business / MX-ONE, and Alcatel OXE / OmniPCX Enterprise.
• Good knowledge of SIP, H.323, ISDN, VoIP protocols, SBCs, media gateways, dial plan design, and call routing.
• Experience with QoS implementation and packet analysis (Wireshark).
• Solid understanding of WAN/LAN environments and voice quality troubleshooting.
• Avaya, Mitel, or Alcatel-Lucent certifications preferred.
• Strong analytical skills, vendor coordination ability, and capability to work in 24×7 support environments.

Resume

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