201 to 225 of 330 VoIP Jobs

showing a solid, earlier, understanding of C++ and a progression of experience in C# and modern programming techniques in recent years Demonstrable experience of development with technologies such as VoIP, SIP, WebRTC in the context of Control Room audio communications and interfacing with TETRA and Telephone switch services Experience of working efficiently with SQL and RDBMS to maintain good performance … Sponsorship unnecessary to work in the country where the job is located Security cleared or no objections to obtaining security clearance Demonstrable experience of development with technologies such as VoIP, SIP, WebRTC in the context of Control Room audio communications and interfacing with TETRA and Telephone switch services Demonstrable experience using C# and .NET for developing communication-related software Proven More ❯

highly skilled IT Telephony Specialist to provide enterprise-level voice infrastructure and telecommunications support across classified and unclassified networks. The ideal candidate will have experience configuring, managing, and troubleshooting VoIP and legacy systems in secure environments and will play a critical role in supporting mission-essential communications. Key Responsibilities • Install, configure, and maintain enterprise IP telephony solutions (e.g., Cisco Call … Manager, Unity) • Provide operational support and troubleshooting for VoIP, analog lines, voice gateways, voicemail, and E911 systems • Coordinate and provision voice/data circuits and telephony hardware (phones, headsets, etc.) • Interface with internal stakeholders, service providers, and end-users to ensure service availability and uptime • Manage call routing plans, dial plans, hunt groups, voicemail policies, and softphones • Monitor voice network … documentation for telecom systems, devices, and configurations Required Qualifications • Active TS/SCI security clearance • Minimum of 5 years of experience in IT/telecommunications with a focus on VoIP systems • Hands-on experience with Cisco Unified Communications Manager (CUCM), Unity, and Jabber • Proficiency with SIP, MGCP, H.323, and PSTN configurations • Familiarity with secure voice/data communication systems • Working More ❯

routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. Strong understanding and in-depth knowledge of IP network/subnet addressing. Experienced and adept at developing and maintaining technical documents, analyses, and reports. More ❯

and commercial architectures and SATCOM systems. Experience working with DISA. Recent course work and certifications in the broader area of Information Systems Security and networks such as Telecommunications Systems, VoIP Systems Security and, Certified Information Systems Security Professional (CISSP) certification. Excellent written and verbal communication skills with the ability to prepare professional presentations, technical reports, and white papers for senior More ❯

routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. Strong understanding and in-depth knowledge of IP network/subnet addressing. Experienced and adept at developing and maintaining technical documents, analyses, and reports. More ❯

WebEx technologies Education & Experience Up to 4 years of experience with voice video and Cisco Webex platform on and off premise Experience with a Cisco Cloud Collaboration tools and VoIP Protocols Bachelors Degree in computer science, computer engineering, or equivalent work experience Microsoft Teams experience is a plus Knowledge/Skills Specific technical knowledge in the following areas: Cisco Cloud … Collaboration Technologies: Hybrid Calendar WebEx App formerly known as " WebEx Teams " Video Conferencing (Cisco TelePresence) Room OS 11 Cloud Calling Control Hub Administration Site Service Administration Jabber VoIP Protocols such as SIP, MGCP and SCCP Video Devices i.e., Cisco Room Series Room OS11, Desk Pro Microsoft Exchange/Active Directory/Outlook/Teams Analytical skills and technical knowledge to … take on service problems of moderate to high complexity Able to decipher VoIP, Video and Webex topologies Scripting and automation are a plus Rates depend on experience and client requirements Job Information Job Reference: JO-16 Salary: £370 - £375.00 per day + Hybrid Sussex/Inside IR35 Salary per: day Job Duration: 6 month rolling Job Start Date: 07/ More ❯

in customer service, call/contact centre and/or service delivery. Knowledge of Unified Communications and/or Contact Centre Technology including; TCP/IP networking knowledge and VoIP technology exposure. Understanding of TCP/IP and internet fundamentals Software, telecommunications and IP Telephony Demonstrated technical problem-solving proficiency. Excellent analytical and advanced troubleshooting skills with end-users/ More ❯

SPBM, HSRP/VRRP). Experience working with ITIL Framework. The ability to produce detailed network drawings using AutoCAD & Visio. Experience of datacentre management and planning. Experience of Avaya VoIP Platforms Convey complex IT problems and systems to a non-technical audience. You will have the capability to anticipate potential issues and proactively implement solutions. Regulatory Knowledge: Understanding of the More ❯

SPBM, HSRP/VRRP). Experience working with ITIL Framework. The ability to produce detailed network drawings using AutoCAD & Visio. Experience of datacentre management and planning. Experience of Avaya VoIP Platforms Convey complex IT problems and systems to a non-technical audience. You will have the capability to anticipate potential issues and proactively implement solutions. Regulatory Knowledge: Understanding of the More ❯

SPBM, HSRP/VRRP). Experience working with ITIL Framework. The ability to produce detailed network drawings using AutoCAD & Visio. Experience of datacentre management and planning. Experience of Avaya VoIP Platforms Convey complex IT problems and systems to a non-technical audience. You will have the capability to anticipate potential issues and proactively implement solutions. Regulatory Knowledge: Understanding of the More ❯

switches and configuration Multi-vendor, multi-technology IP network design TCP/IP and routing protocols Cisco Viptela SDWAN LAN resilience technologies (SPBM, HSRP/VRRP) ITIL framework Avaya VoIP Platforms Network design tools such as AutoCAD & Visio Strong ability to communicate complex IT problems to non-technical audiences. Proactive in anticipating and resolving network issues. Understanding of the regulatory More ❯

switches and configuration Multi-vendor, multi-technology IP network design TCP/IP and routing protocols Cisco Viptela SDWAN LAN resilience technologies (SPBM, HSRP/VRRP) ITIL framework Avaya VoIP Platforms Network design tools such as AutoCAD & Visio Strong ability to communicate complex IT problems to non-technical audiences. Proactive in anticipating and resolving network issues. Understanding of the regulatory More ❯

experience with industrial control systems and networks. In depth knowledge of networking devices such as Firewalls, Proxy servers, Routers, Switches, TAPs etc. In depth knowledge of networking protocols HTTP, VOIP, TCP/IP, NAT'ing etc. Good understanding of network cabling e.g. copper, fiber and their characteristics. Hold CCNA, CCNP, CCIE or similar Network/Security certification. Strong understanding of More ❯

to quickly learn new systems and technologies. Desirable knowledge of Warden Call, Nurse Call, TECs, and Door Access Control systems. Experience supporting digital technology, IoT solutions, and SIP/VoIP communications is advantageous. Proficient in Microsoft 365, Teams, and Salesforce. Strong organisational skills, with the ability to manage multiple tasks simultaneously. A team player with a proactive and adaptable approach More ❯

party support resolver groups Perform daily, weekly and monthly system check processes Troubleshooting and resolving network connectivity issues Administering Active Directory Monitor system and infrastructure availability and performance Managing VOIP and digital phone systems ensuring customers have the best possible journey. Assist in the maintenance and distribution of software packages, manual and automated Perform actions necessary within all Security compliance More ❯

onshore and offshore operations for a UK Operator. Qualifications, Skills & Experience: Cisco CCNA or higher Proven experience as a Network Technician or similar role. Hands-on firewall, security and VoIP experience Strong practical network skills rooted in IP are essential Strong knowledge of network protocols, routing, and switching. Experience with network security practices and technologies. Proficiency in configuring and managing More ❯

infrastructure setup using the following technologies: Servers : Windows, Linux, CUCM (Cisco), Cloud (AWS) Networks : Cisco (L2/L3/Firewall/Wireless), F5 (Load Balancers); Knowledge of voice systems (VoIP, IVR, Bandwidth control, etc.) Other Information Work visa sponsorship is available On-site work only (no remote work available) Please view all our Team Japan jobs at people-first-recruitment More ❯

and healthcare professionals are received. Taking and making a high volume of calls on a target-based model Maintaining an accurate database. Qualifications Skills Broad Telephony/Communications Background VOIP Experience Comfortable working with software logs to triage issues and supply correct information Experience and confidence with networking and the concepts within a wider Telephony solution Microsoft Client/Server More ❯

ECS3) program, which delivers advanced communication solutions to a mission-critical intelligence customer. The ideal candidate will lead the design, deployment, and optimization of unified communications technologies-including VoIP, SIP, and Cisco UC platforms-across multiple operational sites. This individual will play a key role in modernizing infrastructure, resolving complex technical issues, and ensuring secure, reliable communication services that directly … position requires a strong technical foundation, the ability to work independently, and a commitment to operational excellence in high-security environments. Tasks Performed: • Develop and deploy UC solutions, including VoIP, SIP, and cloud-based communication platforms. • Lead engineering designs and technical refresh projects that directly impact mission success. • Collaborate with vendors, service providers, and IT teams to ensure smooth UC More ❯

ECS3) program, which delivers advanced communication solutions to a mission-critical intelligence customer. The ideal candidate will lead the design, deployment, and optimization of unified communications technologies-including VoIP, SIP, and Cisco UC platforms-across multiple operational sites. This individual will play a key role in modernizing infrastructure, resolving complex technical issues, and ensuring secure, reliable communication services that directly … position requires a strong technical foundation, the ability to work independently, and a commitment to operational excellence in high-security environments. Tasks Performed: • Develop and deploy UC solutions, including VoIP, SIP, and cloud-based communication platforms. • Lead engineering designs and technical refresh projects that directly impact mission success. • Collaborate with vendors, service providers, and IT teams to ensure smooth UC More ❯

Participate in go-live support and early life support activities. Required Technical Skills - Basic understanding of Amazon Connect and cloud-based contact center platforms. - Familiarity with telephony systems and VoIP fundamentals. - Proficiency in using ITSM tools such as SysAid for incident logging. - Strong communication and customer service skills. - Ability to follow documented SOPs and escalation procedures. Qualifications - Diploma or Bachelor More ❯

closely with IT leadership, delivery teams, and 3rd-party partners. Drive service improvements and resolve systemic or design issues. Oversee connectivity services, including LAN/Wi-Fi, SD-WAN, VoIP, SIP trunking, and secure networks. Support government secure contracts and multi-site network environments. Key Skills: Strong technical knowledge of enterprise networks: MPLS, IPVPN, SD-WAN, LAN/Wi-Fi More ❯

and coordinate desk-side support for software installations and hardware/software break-fix activities. Set up and configure new end-user equipment (laptops, mobile devices, printers, copiers, VTC, VoIP phones, peripherals). Document all changes in ServiceNow, ensuring accurate asset and configuration data. Manage and update pending tickets daily in ServiceNow according to procedures. Investigate and resolve connectivity issues More ❯

an escalation point for 2nd/3rd line technical issues across a variety of client environments Delivering end-to-end support across servers, networking, cloud platforms (e.g. M365, Azure), VoIP, mobile devices, and MDM tools Getting stuck into project work - assisting with planning, implementation, and post-deployment support Working closely with clients - helping them get the most from their IT More ❯

for bespoke business management and eCommerce software Install, configure, and troubleshoot desktop PCs and servers Manage SQL databases and client/server/network security Configure LAN, WAN, and VOIP systems Deliver training and support to customers as needed What We're Looking For: Some experience or education in IT (qualification or previous role preferred) Knowledge of Microsoft environments, networking More ❯