VoIP Job Trends in the City of London

Voice Over IP (VoIP)
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring VoIP skills. It covers permanent job vacancies from the 6 months leading up to 15 November 2025, with comparisons to the same periods in the previous two years.

6 months to
15 Nov 2025
Same period 2024 Same period 2023
Rank 111 158 156
Rank change year-on-year +47 -2 +99
Permanent jobs citing VoIP 21 11 18
As % of all permanent jobs in the City of London 1.25% 0.39% 0.59%
As % of the Communications & Networking category 12.43% 2.49% 4.20%
Number of salaries quoted 14 10 16
10th Percentile £28,500 £39,900 £30,875
25th Percentile £37,500 £42,000 £32,375
Median annual salary (50th Percentile) £40,000 £56,375 £70,000
Median % change year-on-year -29.05% -19.46% +43.59%
75th Percentile £42,500 £79,063 £81,250
90th Percentile £77,500 £120,125 £97,500
Central London median annual salary £40,000 £56,250 £68,750
% change year-on-year -28.89% -18.18% +41.03%

All Communications and Computer Networking Skills
City of London

VoIP falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in the City of London.

Permanent vacancies with a requirement for communications or computer networking skills 169 441 429
As % of all permanent jobs advertised in the City of London 10.04% 15.74% 14.15%
Number of salaries quoted 138 252 390
10th Percentile £34,100 £37,650 £32,500
25th Percentile £37,500 £50,000 £44,375
Median annual salary (50th Percentile) £55,000 £67,500 £62,500
Median % change year-on-year -18.52% +8.00% -
75th Percentile £82,188 £85,250 £77,500
90th Percentile £95,000 £112,500 £95,125
Central London median annual salary £55,000 £65,000 £60,000
% change year-on-year -15.38% +8.33% -

VoIP
Job Vacancy Trend in the City of London

Historical trend showing the proportion of permanent IT job postings citing VoIP relative to all permanent IT jobs advertised in the City of London.

VoIP job vacancy trend in the City of London

VoIP
Salary Trend in the City of London

Salary distribution trend for jobs in the City of London citing VoIP.

Salary distribution trend for jobs in the City of London citing VoIP

VoIP
Salary Histogram in the City of London

Salary distribution for jobs citing VoIP in the City of London over the 6 months to 15 November 2025.

Salary histogram for VoIP in the City of London

VoIP
Co-Occurring Skills & Capabilities in the City of London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 8 (38.10%) Microsoft Exchange
Business Applications
1 2 (9.52%) Dynamics CRM
Cloud Services
1 13 (61.90%) Azure
1 13 (61.90%) Microsoft 365
2 5 (23.81%) Entra ID
2 5 (23.81%) OpenShift
2 5 (23.81%) Power Automate
3 3 (14.29%) AWS
3 3 (14.29%) Google Workspace
4 1 (4.76%) SaaS
Communications & Networking
1 13 (61.90%) Firewall
1 13 (61.90%) WAN
2 11 (52.38%) LAN
3 8 (38.10%) Network Security
3 8 (38.10%) Wi-Fi
4 6 (28.57%) TCP/IP
5 5 (23.81%) DHCP
6 3 (14.29%) DNS
6 3 (14.29%) IP Telephony
6 3 (14.29%) PBX
6 3 (14.29%) Software-Defined Networking
6 3 (14.29%) VPN
6 3 (14.29%) Wireless
6 3 (14.29%) WLAN
7 2 (9.52%) DOCSIS
7 2 (9.52%) DSL
7 2 (9.52%) GPON
7 2 (9.52%) IPv4
7 2 (9.52%) IPv6
7 2 (9.52%) RTP
Development Applications
1 2 (9.52%) JIRA
General
1 8 (38.10%) Social Skills
2 7 (33.33%) Finance
3 3 (14.29%) Analytical Skills
3 3 (14.29%) Telecoms
Job Titles
1 8 (38.10%) IT Support
1 8 (38.10%) Senior
2 5 (23.81%) 2nd/3rd Line Support
2 5 (23.81%) 3rd Line Support
3 3 (14.29%) 2nd Line Engineer
3 3 (14.29%) 2nd Line Support
3 3 (14.29%) 2nd Line Support Engineer
3 3 (14.29%) IT Engineer
3 3 (14.29%) IT Support Engineer
3 3 (14.29%) Network Support
3 3 (14.29%) Network Support Technician
3 3 (14.29%) Network Technician
3 3 (14.29%) Support Engineer
3 3 (14.29%) Support Technician
4 2 (9.52%) Architect
4 2 (9.52%) Software Architect
5 1 (4.76%) Account Manager
5 1 (4.76%) Senior Account Manager
5 1 (4.76%) Senior Manager
5 1 (4.76%) Senior Technical Manager
Libraries, Frameworks & Software Standards
1 2 (9.52%) REST
1 2 (9.52%) SOAP
1 2 (9.52%) Web Services
Miscellaneous
1 5 (23.81%) PKI
2 2 (9.52%) IVR
2 2 (9.52%) Self-Motivation
Operating Systems
1 13 (61.90%) Windows
2 8 (38.10%) Windows Server
3 7 (33.33%) Linux
4 5 (23.81%) Unix
5 3 (14.29%) Mac OS
5 3 (14.29%) Windows 10
5 3 (14.29%) Windows Server 2012
5 3 (14.29%) Windows Server 2016
5 3 (14.29%) Windows Server 2019
6 2 (9.52%) OpenWrt
Processes & Methodologies
1 11 (52.38%) Service Delivery
2 10 (47.62%) Continuous Improvement
3 7 (33.33%) ITIL
3 7 (33.33%) Mentoring
4 6 (28.57%) Customer Service
4 6 (28.57%) Problem-Solving
5 5 (23.81%) Application Packaging
5 5 (23.81%) Cybersecurity
5 5 (23.81%) DevSecOps
5 5 (23.81%) Identity Access Management
5 5 (23.81%) Infrastructure as Code
5 5 (23.81%) Knowledge Transfer
5 5 (23.81%) Project Delivery
5 5 (23.81%) Roadmaps
5 5 (23.81%) Strategic Planning
5 5 (23.81%) Technology Roadmap
5 5 (23.81%) Technology Strategy
5 5 (23.81%) Workflow
6 4 (19.05%) Agile
6 4 (19.05%) Use Case
Programming Languages
1 10 (47.62%) PowerShell
2 2 (9.52%) C
2 2 (9.52%) C++
Qualifications
1 3 (14.29%) DBS Check
1 3 (14.29%) SC Cleared
1 3 (14.29%) Security Cleared
System Software
1 8 (38.10%) Active Directory
1 8 (38.10%) Hyper-V
2 5 (23.81%) Virtual Desktop
2 5 (23.81%) VMware Infrastructure
2 5 (23.81%) XenApp
2 5 (23.81%) XenDesktop
3 3 (14.29%) KVM
Systems Management
1 5 (23.81%) Autotask
1 5 (23.81%) Microsoft Intune
1 5 (23.81%) SCCM
1 5 (23.81%) Single Sign-On
2 3 (14.29%) Active Directory Federation Services
Vendors
1 8 (38.10%) Microsoft
2 7 (33.33%) Salesforce
3 5 (23.81%) Cisco
3 5 (23.81%) Citrix
3 5 (23.81%) SonicWALL
3 5 (23.81%) VMware
4 3 (14.29%) Google
4 3 (14.29%) Zscaler
5 2 (9.52%) Avaya
5 2 (9.52%) Genesys