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 8 November 2025, with comparisons to the same periods in the previous two years.

6 months to
8 Nov 2025
Same period 2024 Same period 2023
Rank 110 159 153
Rank change year-on-year +49 -6 +103
Permanent jobs citing VoIP 19 9 19
As % of all permanent jobs in the City of London 1.17% 0.33% 0.62%
As % of the Communications & Networking category 11.80% 2.07% 4.39%
Number of salaries quoted 13 8 18
10th Percentile £28,500 £45,300 £30,875
25th Percentile £37,500 £51,938 £32,125
Median annual salary (50th Percentile) £40,000 £62,000 £70,000
Median % change year-on-year -35.48% -11.43% +43.59%
75th Percentile £42,500 £91,875 £76,563
90th Percentile £77,500 £120,375 £97,500
Central London median annual salary £40,000 £56,500 £64,750
% change year-on-year -29.20% -12.74% +32.82%

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 161 434 433
As % of all permanent jobs advertised in the City of London 9.89% 15.72% 14.12%
Number of salaries quoted 134 252 393
10th Percentile £35,900 £37,500 £32,500
25th Percentile £37,656 £50,000 £42,500
Median annual salary (50th Percentile) £55,000 £67,500 £62,500
Median % change year-on-year -18.52% +8.00% -
75th Percentile £77,500 £85,250 £77,500
90th Percentile £92,125 £112,500 £95,000
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 8 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 7 (36.84%) Microsoft Exchange
Business Applications
1 2 (10.53%) Dynamics CRM
Cloud Services
1 12 (63.16%) Azure
1 12 (63.16%) Microsoft 365
2 5 (26.32%) Entra ID
2 5 (26.32%) OpenShift
2 5 (26.32%) Power Automate
3 2 (10.53%) AWS
3 2 (10.53%) Google Workspace
4 1 (5.26%) SaaS
Communications & Networking
1 13 (68.42%) Firewall
2 11 (57.89%) WAN
3 10 (52.63%) LAN
4 8 (42.11%) Network Security
5 6 (31.58%) Wi-Fi
6 4 (21.05%) TCP/IP
7 3 (15.79%) DHCP
7 3 (15.79%) IP Telephony
7 3 (15.79%) PBX
7 3 (15.79%) Software-Defined Networking
7 3 (15.79%) VPN
7 3 (15.79%) Wireless
7 3 (15.79%) WLAN
8 2 (10.53%) DNS
8 2 (10.53%) PSTN
9 1 (5.26%) DOCSIS
9 1 (5.26%) DSL
9 1 (5.26%) Internet
9 1 (5.26%) IPv4
9 1 (5.26%) IPv6
Development Applications
1 1 (5.26%) JIRA
General
1 7 (36.84%) Finance
1 7 (36.84%) Social Skills
2 3 (15.79%) Telecoms
3 2 (10.53%) Analytical Skills
Job Titles
1 8 (42.11%) Senior
2 7 (36.84%) IT Support
3 5 (26.32%) 2nd/3rd Line Support
3 5 (26.32%) 3rd Line Support
4 3 (15.79%) Network Support
4 3 (15.79%) Network Support Technician
4 3 (15.79%) Network Technician
4 3 (15.79%) Support Technician
5 2 (10.53%) 2nd Line Engineer
5 2 (10.53%) 2nd Line Support
5 2 (10.53%) 2nd Line Support Engineer
5 2 (10.53%) IT Engineer
5 2 (10.53%) IT Support Engineer
5 2 (10.53%) Support Engineer
6 1 (5.26%) Account Manager
6 1 (5.26%) Architect
6 1 (5.26%) Senior Account Manager
6 1 (5.26%) Senior Technical Manager
6 1 (5.26%) Technical Account Manager
6 1 (5.26%) Technical Manager
Libraries, Frameworks & Software Standards
1 2 (10.53%) REST
1 2 (10.53%) SOAP
1 2 (10.53%) Web Services
Miscellaneous
1 5 (26.32%) PKI
2 2 (10.53%) IVR
3 1 (5.26%) Self-Motivation
Operating Systems
1 12 (63.16%) Windows
2 7 (36.84%) Windows Server
3 6 (31.58%) Linux
4 5 (26.32%) Unix
5 2 (10.53%) Mac OS
5 2 (10.53%) Windows 10
5 2 (10.53%) Windows Server 2012
5 2 (10.53%) Windows Server 2016
5 2 (10.53%) Windows Server 2019
6 1 (5.26%) OpenWrt
Processes & Methodologies
1 11 (57.89%) Service Delivery
2 8 (42.11%) Continuous Improvement
3 7 (36.84%) ITIL
3 7 (36.84%) Mentoring
4 5 (26.32%) Application Packaging
4 5 (26.32%) Customer Service
4 5 (26.32%) Cybersecurity
4 5 (26.32%) DevSecOps
4 5 (26.32%) Identity Access Management
4 5 (26.32%) Infrastructure as Code
4 5 (26.32%) Knowledge Transfer
4 5 (26.32%) Project Delivery
4 5 (26.32%) Roadmaps
4 5 (26.32%) Strategic Planning
4 5 (26.32%) Technology Roadmap
4 5 (26.32%) Technology Strategy
4 5 (26.32%) Workflow
5 4 (21.05%) Problem-Solving
6 3 (15.79%) Customer Experience
6 3 (15.79%) Zero Trust
Programming Languages
1 10 (52.63%) PowerShell
2 1 (5.26%) C
2 1 (5.26%) C++
Qualifications
1 3 (15.79%) DBS Check
1 3 (15.79%) SC Cleared
1 3 (15.79%) Security Cleared
System Software
1 7 (36.84%) Active Directory
1 7 (36.84%) Hyper-V
2 5 (26.32%) Virtual Desktop
2 5 (26.32%) VMware Infrastructure
2 5 (26.32%) XenApp
2 5 (26.32%) XenDesktop
3 3 (15.79%) KVM
Systems Management
1 5 (26.32%) Autotask
1 5 (26.32%) Microsoft Intune
1 5 (26.32%) SCCM
1 5 (26.32%) Single Sign-On
2 2 (10.53%) Active Directory Federation Services
Vendors
1 7 (36.84%) Microsoft
1 7 (36.84%) Salesforce
2 5 (26.32%) Cisco
2 5 (26.32%) Citrix
2 5 (26.32%) SonicWALL
2 5 (26.32%) VMware
3 3 (15.79%) Zscaler
4 2 (10.53%) Avaya
4 2 (10.53%) Genesys
4 2 (10.53%) Google