Unified Communications Manager (Telephony)

Location: Hemel Hempstead, UK; full-time, permanent position.

Company

hirify.global develops, manufactures, and manages threat detection and security screening solutions for aviation, ports and borders, defence, and urban security.

What you will do

• Own the global voice communications estate, including Microsoft Teams Phone, PBX systems, voicemail platforms, telephony gateways, Teams Rooms, and carrier services.
• Administer Direct Routing, SBCs, SIP trunking, POTS services, numbering plans, call queues, auto attendants, and survivable branch appliances.
• Design and support complex call flows, dial plans, routing policies, failover scenarios, and contact centre integrations.
• Provide third-line support, investigate call-quality and routing incidents, and perform root cause analysis.
• Lead migrations, cloud voice transformation, service improvements, and technical projects.
• Manage technical relationships, escalations, and service reviews with AT&T, DXC, AWS, carriers, and managed service providers.

Requirements

• Significant experience supporting enterprise Unified Communications and telephony environments.
• Hands-on experience with Microsoft Teams Phone, Direct Routing, SBC technologies such as Ribbon or AudioCodes, SIP, VoIP, PBX systems, and carrier services.
• Experience designing complex call-routing architectures and dial plans, and supporting contact centre technologies.
• Knowledge of QoS, voice networking, WAN optimisation, cloud voice services, telephony security, encryption, fraud prevention, and emergency calling.
• Strong analytical, troubleshooting, stakeholder-management, vendor-management, communication, and documentation skills.
• Degree in Information Systems, Telecommunications, Computer Science, or equivalent professional experience.

Nice to have

• Microsoft Teams Voice Engineer Expert certification.
• Ribbon, AudioCodes, contact centre, telecommunications, or Unified Communications vendor certifications.

Culture & Benefits

• Training and career-growth opportunities across local and global operations.
• Inclusive environment focused on safety, wellbeing, equality, and ethics.
• Flexible benefits supporting health, financial, lifestyle, and family needs.