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 14 December 2025, with comparisons to the same periods in the previous two years.

6 months to
14 Dec 2025
Same period 2024 Same period 2023
Rank 105 153 151
Rank change year-on-year +48 -2 +85
Permanent jobs citing VoIP 22 11 15
As % of all permanent jobs in the City of London 1.13% 0.40% 0.51%
As % of the Communications & Networking category 12.50% 2.56% 3.69%
Number of salaries quoted 16 10 11
10th Percentile £28,500 £39,900 £30,000
25th Percentile £37,500 £42,000 £32,125
Median annual salary (50th Percentile) £40,000 £56,375 £70,000
Median % change year-on-year -29.05% -19.46% +47.37%
75th Percentile £68,125 £79,063 £75,625
90th Percentile £79,375 £120,125 £92,500
Central London median annual salary £40,000 £56,250 £60,000
% change year-on-year -28.89% -6.25% +26.32%

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 176 430 407
As % of all permanent jobs advertised in the City of London 9.06% 15.75% 13.86%
Number of salaries quoted 141 258 373
10th Percentile £33,750 £39,700 £35,000
25th Percentile £36,750 £50,000 £42,500
Median annual salary (50th Percentile) £55,000 £63,750 £62,618
Median % change year-on-year -13.73% +1.81% -3.66%
75th Percentile £80,000 £85,250 £77,500
90th Percentile £95,000 £100,750 £95,000
Central London median annual salary £55,000 £62,500 £60,000
% change year-on-year -12.00% +4.17% -3.23%

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 14 December 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 (36.36%) Microsoft Exchange
Business Applications
1 3 (13.64%) Dynamics CRM
Cloud Services
1 13 (59.09%) Azure
1 13 (59.09%) Microsoft 365
2 5 (22.73%) Entra ID
2 5 (22.73%) OpenShift
2 5 (22.73%) Power Automate
3 3 (13.64%) AWS
3 3 (13.64%) Google Workspace
Communications & Networking
1 13 (59.09%) Firewall
1 13 (59.09%) WAN
2 11 (50.00%) LAN
3 8 (36.36%) Network Security
3 8 (36.36%) Wi-Fi
4 5 (22.73%) DHCP
4 5 (22.73%) TCP/IP
5 3 (13.64%) DNS
5 3 (13.64%) IP Telephony
5 3 (13.64%) PBX
5 3 (13.64%) PSTN
5 3 (13.64%) Software-Defined Networking
5 3 (13.64%) VPN
5 3 (13.64%) Wireless
5 3 (13.64%) WLAN
6 2 (9.09%) Broadband
6 2 (9.09%) GPON
6 2 (9.09%) IPv4
6 2 (9.09%) IPv6
6 2 (9.09%) PPP
Development Applications
1 2 (9.09%) JIRA
General
1 8 (36.36%) Finance
1 8 (36.36%) Social Skills
2 3 (13.64%) Telecoms
3 2 (9.09%) Analytical Skills
Job Titles
1 8 (36.36%) IT Support
1 8 (36.36%) Senior
2 5 (22.73%) 2nd/3rd Line Support
2 5 (22.73%) 3rd Line Support
3 3 (13.64%) 2nd Line Engineer
3 3 (13.64%) 2nd Line Support
3 3 (13.64%) 2nd Line Support Engineer
3 3 (13.64%) IT Engineer
3 3 (13.64%) IT Support Engineer
3 3 (13.64%) Network Support
3 3 (13.64%) Network Support Technician
3 3 (13.64%) Network Technician
3 3 (13.64%) Support Engineer
3 3 (13.64%) Support Technician
4 2 (9.09%) Architect
4 2 (9.09%) Software Architect
5 1 (4.55%) Operations Manager
5 1 (4.55%) Technical Manager
5 1 (4.55%) Technical Operations Manager
Libraries, Frameworks & Software Standards
1 3 (13.64%) REST
1 3 (13.64%) SOAP
1 3 (13.64%) Web Services
Miscellaneous
1 5 (22.73%) PKI
2 3 (13.64%) IVR
3 2 (9.09%) Self-Motivation
Operating Systems
1 13 (59.09%) Windows
2 8 (36.36%) Windows Server
3 7 (31.82%) Linux
4 5 (22.73%) Unix
5 3 (13.64%) Mac OS
5 3 (13.64%) Windows 10
5 3 (13.64%) Windows Server 2012
5 3 (13.64%) Windows Server 2016
5 3 (13.64%) Windows Server 2019
6 2 (9.09%) OpenWrt
Processes & Methodologies
1 10 (45.45%) Continuous Improvement
1 10 (45.45%) Service Delivery
2 8 (36.36%) ITIL
2 8 (36.36%) Mentoring
3 6 (27.27%) Cybersecurity
4 5 (22.73%) Agile
4 5 (22.73%) Application Packaging
4 5 (22.73%) Customer Service
4 5 (22.73%) DevSecOps
4 5 (22.73%) Identity Access Management
4 5 (22.73%) Infrastructure as Code
4 5 (22.73%) Knowledge Transfer
4 5 (22.73%) Problem-Solving
4 5 (22.73%) Project Delivery
4 5 (22.73%) Roadmaps
4 5 (22.73%) Strategic Planning
4 5 (22.73%) Technology Roadmap
4 5 (22.73%) Technology Strategy
4 5 (22.73%) Use Case
4 5 (22.73%) Workflow
Programming Languages
1 10 (45.45%) PowerShell
2 2 (9.09%) C
2 2 (9.09%) C++
Qualifications
1 3 (13.64%) DBS Check
1 3 (13.64%) SC Cleared
1 3 (13.64%) Security Cleared
System Software
1 8 (36.36%) Active Directory
1 8 (36.36%) Hyper-V
2 5 (22.73%) Virtual Desktop
2 5 (22.73%) VMware Infrastructure
2 5 (22.73%) XenApp
2 5 (22.73%) XenDesktop
3 3 (13.64%) KVM
Systems Management
1 5 (22.73%) Autotask
1 5 (22.73%) Microsoft Intune
1 5 (22.73%) SCCM
1 5 (22.73%) Single Sign-On
2 3 (13.64%) Active Directory Federation Services
Vendors
1 8 (36.36%) Microsoft
1 8 (36.36%) Salesforce
2 6 (27.27%) Cisco
3 5 (22.73%) Citrix
3 5 (22.73%) SonicWALL
3 5 (22.73%) VMware
4 3 (13.64%) Avaya
4 3 (13.64%) Genesys
4 3 (13.64%) Google
4 3 (13.64%) Zscaler