1 to 25 of 33 VoIP Jobs in London

optimising performance and resilience.Administer network security controls such as firewalls, NAC (e.g., 802.1X), segmentation and secure network access.Engineer voice and unified communications solutions (SIP, VoIP, SBCs, call routing, dial plans, IVR), ensuring call quality and reliability.Manage incident, problem and change processes, including root cause analysis, post-incident reviews and preventative ...

resilience. Administer network security controls such as firewalls, NAC (e.g., 802.1X), segmentation and secure network access. Engineer voice and unified communications solutions (SIP, VoIP, SBCs, call routing, dial plans, IVR), ensuring call quality and reliability. Manage incident, problem and change processes, including root cause analysis, post-incident reviews and preventative ...

. Technical Knowledge: Strong conceptual understanding of SD-WAN architectures (e.g., Cisco Meraki, Fortinet, Versa), Managed Wi-Fi, 4G/5G failover, SIP/VoIP, and Cloud connectivity (AWS/Azure). Familiarity with circuit provisioning processes, site cabling standards, and retail POS network segmentation/PCI-DSS compliance requirements. ...

tools such as iPerf, Spirent, IxNetwork/Ixia or similar tools . Perform RFC 2544 testing and network performance benchmarking . Test SIP/VoIP and Unified Communications connectivity where required. Support Data Centre, Cloud and network infrastructure testing. Manage the full defect lifecycle, including defect logging, root cause analysis ...

experience Experience working with UK Government/Public Sector customers Strong enterprise networking knowledge Cisco routing and switching TCP/IP, SNMP, NetFlow and VoIP LAN/WAN and MPLS Network performance monitoring Packet analysis and network troubleshooting Network security and infrastructure design Linux and Windows knowledge Cloud and virtualisation ...

experience Experience working with UK Government/Public Sector customers Strong enterprise networking knowledge Cisco routing and switching TCP/IP, SNMP, NetFlow and VoIP LAN/WAN and MPLS Network performance monitoring Packet analysis and network troubleshooting Network security and infrastructure design Linux and Windows knowledge Cloud and virtualisation ...

will be located in their London office.Responsibilities & QualificationsOther key responsibilities include: Providing support to desktop and notebook systems, hardware, and customer related services; Cisco VOIP administration, and associated equipment related to these systems and applications; providing support to printers and Multi-Functional Device (MFD) hardware and settings Providing assistance ...

desired including gathering requirements, design, testing and implementation Opportunity for scripting using PowerShell if desired Work as part of a team understand network topology, VOIP and other systems and technologies within UCL Develop an understanding of infrastructure technology and client tools to provide effect support and cover as determined ...

experience in a Service Delivery Manager role.Significant experience delivering managed services within voice and Unified Communications environments.Strong understanding of enterprise telephony technologies, including SIP, VoIP, contact centre solutions, and UC platforms.Proven experience managing large enterprise customers and complex service contracts.Demonstrated success in customer relationship management at both operational and executive ...

comparable LLM gateway, including routing, fallbacks, rate limits, and observability Comfortable with Kubernetes, Docker, APIs, cloud infrastructure, and production operations Exposure to SIP, WebRTC, VoIP, real‐time communications, or messaging Strong understanding of production AI challenges including latency, concurrency, provider limits, retries, streaming, and cost Ability to diagnose complex technical ...

strong plus Keen to work in an international tech company with colleagues all around the globe Technical Knowledge: Working knowledge and understanding of voice over IP technologies and cloud communications Interest in and passion for communications and new technologies is a must Outstanding level of IT literacy Keen interest ...

generation events as necessary. Core Background B.S. Computer Science, Software Engineering, MIS or equivalent work experience. 5+ years as a Solutions Engineer in Software, VOIP/Telecommunications, contact centers, premise or cloud selling to Enterprise customers. Ability to command the attention in a room by delivering compelling presentations and demonstrations. ...

marketing and demand generation events as necessary.Core BackgroundB.S. Computer Science, Software Engineering, MIS or equivalent work experience.5+ years as a Solutions Engineer in Software, VOIP/Telecommunications, contact centers, premise or cloud selling to Enterprise customers.Ability to command the attention in a room by delivering compelling presentations and demonstrations.Good problem ...

Speech-to-Text). Multi-Cloud Exposure: Experience deploying and managing applications on AWS, Azure, and GCP. Tools: Proficiency with Wireshark or sngrep for VoIP troubleshooting. Preferred Qualifications Experience with Java telephony frameworks like Metaswitch Rhino SLEE or Oracle OCCAS. Understanding of containerisation using Docker and Kubernetes in cloud environments. ...

based voice services and cloud-integrated Speech AI. The role bridges traditional telephony with modern cloud AI and requires hands-on Java, SIP, and VoIP tooling expertise. The position focuses on developing stable SIP services using Java, managing FreeSWITCH/Asterisk, and deploying across AWS, Azure ...

discussions Handle customer queries and resolve issues Track account performance against targets Update CRM systems and sales reports Main Focus Renewals (SIMs, broadband, hosted VoIP) Upsell (higher bandwidth, additional users, cyber add-ons) Reduce churn Primary Goal: Retain customers and increase revenue from existing accounts as well as new business ...

Mobilus Labs Limited in Greater London is seeking a Mobile Software Developer to join their innovative team focused on voice communication technology. The role involves designing and developing a mobile app, implementing cutting-edge features ...

assistance to ensure optimal service delivery across unified communications, video, and digital signage systems. Responsibilities include leading voice/video infra deployments, cloud-based VoIP, and collaboration platforms, while collaborating with global teams to implement scalable solutions. #J-18808-Ljbffr ...

Additional European languages are considered an asset. Willingness to travel internationally (35–50%). Experience That Would Be Highly Valuable Unified Communications (UC) UCaaS VoIP Professional AV Physical security IP networking Intercom and critical communications #J-18808-Ljbffr ...

regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe click apply for full job details ...

Enfint is building serverless real-time infrastructure for the Internet, powering live chat, VoIP, real-time pricing, and stock for services worldwide. The team owns the architecture for Developer Ecosystems across iOS, Web, and Infra/Automation, guiding API/SDK design and cross-team initiatives. Join a product-focused ...

Описание The company provides serverless real-time infrastructure for the Internet, processing billions of messages daily and powering live chat, VoIP calls, real-time pricing, and stock availability for services worldwide. Задачи Own the technical strategy and architecture for one or more Developer Ecosystems, including iOS, Web, and Infra/ ...

highly regarded provider of serverless real-time infrastructure for the Internet. Its platform processes billions of messages a day and supports live chat, VoIP calls, real-time pricing, stock availability, and other global services. Задачи: Own the technical strategy and architecture for one or more Developer Ecosystems, including ...

regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe. As a Full Stack Engineer/Technical Lead ...

regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe.As a Full Stack Engineer/Technical Lead ...