Period
to 19 January 2022

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for VoIP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited VoIP over the 6 months to 19 January 2022 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
19 Jan 2022
Same period 2021 Same period 2020
Rank 481 346 324
Rank change year-on-year -135 -22 +32
Permanent jobs citing VoIP 286 166 477
As % of all permanent jobs advertised in London 0.56% 0.70% 0.94%
As % of the Communications & Networking category 4.84% 6.05% 7.11%
Number of salaries quoted 267 155 431
10th Percentile £32,000 £29,000 £26,250
25th Percentile £38,625 £34,250 £30,750
Median annual salary (50th Percentile) £45,000 £50,000 £42,500
Median % change year-on-year -10.00% +17.65% -15.00%
75th Percentile £70,125 £62,500 £60,000
90th Percentile £85,000 £81,250 £72,000
England median annual salary £43,000 £42,000 £35,753
% change year-on-year +2.38% +17.47% -8.33%

VoIP is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 5,915 2,743 6,706
As % of all permanent IT jobs advertised in London 11.63% 11.51% 13.26%
Number of salaries quoted 3,984 2,284 5,606
10th Percentile £31,250 £36,400 £29,000
25th Percentile £45,000 £48,500 £39,000
Median annual salary (50th Percentile) £62,500 £65,000 £55,000
Median % change year-on-year -3.85% +18.18% -
75th Percentile £81,250 £80,000 £72,500
90th Percentile £95,000 £92,500 £85,000
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

VoIP
Job Vacancy Trend in London

Job postings citing VoIP as a proportion of all IT jobs advertised in London.

Job vacancy trend for VoIP in London

VoIP
Salary Trend in London

3-month moving average salary quoted in jobs citing VoIP in London.

Salary trend for VoIP in London

VoIP
Salary Histogram in London

Salary distribution for jobs citing VoIP in London over the 6 months to 19 January 2022.

Salary histogram for VoIP in London

VoIP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the London region over the 6 months to 19 January 2022. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London -16 43 £63,000 +20.00% 12
West London -42 43 £45,000 +13.92% 8
North London - 8 £32,500 -
East London -33 5 £40,000 - 3
South London -29 2 £40,500 -29.57% 1
VoIP
England

For the 6 months to 19 January 2022, IT jobs citing VoIP also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for VoIP.

1 146 (51.05%) Microsoft 365
2 143 (50.00%) Windows
3 119 (41.61%) Firewall
4 117 (40.91%) Active Directory
5 108 (37.76%) Microsoft
6 102 (35.66%) Social Skills
7 90 (31.47%) Azure
8 86 (30.07%) Windows Server
9 79 (27.62%) Cisco
10 69 (24.13%) WAN
11 67 (23.43%) LAN
12 51 (17.83%) Problem-Solving
13 49 (17.13%) ITIL
13 49 (17.13%) Wi-Fi
14 46 (16.08%) VPN
15 41 (14.34%) Finance
16 40 (13.99%) DNS
16 40 (13.99%) Degree
17 38 (13.29%) PowerShell
17 38 (13.29%) DHCP
17 38 (13.29%) VMware
17 38 (13.29%) Self-Motivation
18 37 (12.94%) MPLS
19 36 (12.59%) FortiGate
20 35 (12.24%) AWS
20 35 (12.24%) Infrastructure Engineering
21 32 (11.19%) Cisco Certification
21 32 (11.19%) SLA
21 32 (11.19%) Microsoft Office
22 31 (10.84%) Telecoms

VoIP
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 18 (6.29%) SharePoint
2 16 (5.59%) Skype for Business
3 8 (2.80%) MS Exchange
4 7 (2.45%) IIS
5 4 (1.40%) Apache
6 3 (1.05%) IBM Notes
6 3 (1.05%) Tomcat
6 3 (1.05%) WordPress
7 2 (0.70%) CMS
7 2 (0.70%) nginx
7 2 (0.70%) SAS
8 1 (0.35%) Blackberry Enterprise Server
8 1 (0.35%) Confluence
Applications
1 32 (11.19%) Microsoft Office
2 3 (1.05%) Microsoft Excel
3 2 (0.70%) Microsoft PowerPoint
3 2 (0.70%) MS Visio
Business Applications
1 4 (1.40%) Misys Midas
2 2 (0.70%) Magento
2 2 (0.70%) Shopify
2 2 (0.70%) Unica
3 1 (0.35%) Sentinel
Cloud Services
1 146 (51.05%) Microsoft 365
2 90 (31.47%) Azure
3 35 (12.24%) AWS
4 20 (6.99%) Google Workspace
5 16 (5.59%) Azure Active Directory
6 14 (4.90%) SaaS
7 11 (3.85%) PaaS
8 9 (3.15%) Azure Monitor
9 6 (2.10%) Firebase
9 6 (2.10%) Google Play
9 6 (2.10%) WhatsApp
10 4 (1.40%) GCP
10 4 (1.40%) IaaS
10 4 (1.40%) OneDrive
11 3 (1.05%) Adobe Creative Cloud
11 3 (1.05%) Amazon S3
11 3 (1.05%) Azure ExpressRoute
11 3 (1.05%) Cloud Computing
11 3 (1.05%) Mimecast
11 3 (1.05%) Route 53
Communications & Networking
1 119 (41.61%) Firewall
2 69 (24.13%) WAN
3 67 (23.43%) LAN
4 49 (17.13%) Wi-Fi
5 46 (16.08%) VPN
6 40 (13.99%) DNS
7 38 (13.29%) DHCP
8 37 (12.94%) MPLS
9 29 (10.14%) TCP/IP
10 28 (9.79%) Wireless
11 23 (8.04%) BGP
11 23 (8.04%) PBX
12 21 (7.34%) OSPF
12 21 (7.34%) VLAN
13 16 (5.59%) SD-WAN
13 16 (5.59%) Skype
14 15 (5.24%) Broadband
14 15 (5.24%) Unified Communications
15 14 (4.90%) Asterisk PBX
16 13 (4.55%) GPON
Database & Business Intelligence
1 20 (6.99%) SQL Server
2 7 (2.45%) Big Data
3 6 (2.10%) MongoDB
4 4 (1.40%) Data Warehouse
4 4 (1.40%) MySQL
5 3 (1.05%) Couchbase
5 3 (1.05%) SQLite
6 2 (0.70%) Amazon RDS
6 2 (0.70%) SQL Server 2016
7 1 (0.35%) Azure SQL Database
7 1 (0.35%) PostgreSQL
7 1 (0.35%) Relational Database
Development Applications
1 9 (3.15%) Jasmine
1 9 (3.15%) Mocha
1 9 (3.15%) Selenium
2 7 (2.45%) Git (software)
3 6 (2.10%) Android Studio
4 3 (1.05%) JIRA
5 1 (0.35%) AutoIt
5 1 (0.35%) Gerrit
5 1 (0.35%) Jenkins
5 1 (0.35%) Subversion
General
1 102 (35.66%) Social Skills
2 41 (14.34%) Finance
3 31 (10.84%) Telecoms
4 13 (4.55%) Organisational Skills
5 10 (3.50%) Analytical Skills
6 9 (3.15%) Banking
7 7 (2.45%) Back Office
7 7 (2.45%) Law
8 5 (1.75%) Retail
9 4 (1.40%) Advertising
9 4 (1.40%) International Banking
9 4 (1.40%) Marketing
9 4 (1.40%) Presentation Skills
10 3 (1.05%) Investment Banking
10 3 (1.05%) Manufacturing
10 3 (1.05%) Publishing
11 2 (0.70%) Legal
12 1 (0.35%) Influencing Skills
12 1 (0.35%) Italian Language
12 1 (0.35%) Multimedia
Job Titles
1 35 (12.24%) Analyst
1 35 (12.24%) Network Engineer
2 31 (10.84%) Developer
3 30 (10.49%) IT Support
4 28 (9.79%) Infrastructure Engineer
4 28 (9.79%) Support Analyst
5 25 (8.74%) IT Engineer
6 21 (7.34%) Support Engineer
7 19 (6.64%) IT Analyst
7 19 (6.64%) IT Support Analyst
8 18 (6.29%) Administrator
8 18 (6.29%) Systems Administrator
9 15 (5.24%) Systems Engineer
10 14 (4.90%) IT Manager
11 13 (4.55%) 2nd Line Support
11 13 (4.55%) Desktop Support
11 13 (4.55%) Juniper Engineer
11 13 (4.55%) Principal Engineer
11 13 (4.55%) Principal Network Engineer
12 12 (4.20%) Unified Communications Engineer
Libraries, Frameworks & Software Standards
1 22 (7.69%) Node.js
2 18 (6.29%) WebRTC
3 17 (5.94%) Web Services
4 15 (5.24%) JSON
5 13 (4.55%) REST
6 9 (3.15%) Ajax
6 9 (3.15%) CSS
6 9 (3.15%) CSS3
6 9 (3.15%) HTML
6 9 (3.15%) HTML5
6 9 (3.15%) Jest
6 9 (3.15%) React
6 9 (3.15%) RESTful
6 9 (3.15%) Sass
6 9 (3.15%) Web Components
7 7 (2.45%) FreeSWITCH
8 6 (2.10%) .NET
8 6 (2.10%) .NET Framework
8 6 (2.10%) OAuth
8 6 (2.10%) OAuth2
Miscellaneous
1 38 (13.29%) Self-Motivation
2 28 (9.79%) Data Centre
3 24 (8.39%) Video Conferencing
4 13 (4.55%) Public Cloud
5 10 (3.50%) Enterprise Software
5 10 (3.50%) Mobile App
5 10 (3.50%) User Experience
6 8 (2.80%) Smartphone
7 7 (2.45%) Management Information System
7 7 (2.45%) Social Media
7 7 (2.45%) Social Network
7 7 (2.45%) Video\Live Streaming
8 6 (2.10%) Handset
9 5 (1.75%) IPTV
9 5 (1.75%) Media Streaming
10 4 (1.40%) Enterprise Cloud
10 4 (1.40%) iSeries
10 4 (1.40%) Replication
11 3 (1.05%) Blackberry
11 3 (1.05%) Client/Server
Operating Systems
1 143 (50.00%) Windows
2 86 (30.07%) Windows Server
3 23 (8.04%) Linux
4 22 (7.69%) Windows 10
5 17 (5.94%) Android
5 17 (5.94%) Mac OS
6 15 (5.24%) Apple iOS
6 15 (5.24%) Windows Server 2016
7 11 (3.85%) Windows Server 2019
8 9 (3.15%) Windows 7
9 8 (2.80%) Windows Server 2012
10 6 (2.10%) Mac OS X
11 4 (1.40%) VMS
11 4 (1.40%) Windows Server 2008
12 3 (1.05%) CentOS
12 3 (1.05%) Debian
13 1 (0.35%) Embedded Linux
13 1 (0.35%) Kali Linux
13 1 (0.35%) Windows Server 2003
Processes & Methodologies
1 51 (17.83%) Problem-Solving
2 49 (17.13%) ITIL
3 35 (12.24%) Infrastructure Engineering
4 31 (10.84%) Agile Software Development
5 25 (8.74%) Service Delivery
6 20 (6.99%) Project Management
7 19 (6.64%) Change Management
7 19 (6.64%) Migration
8 18 (6.29%) Cybersecurity
8 18 (6.29%) Network Monitoring
9 17 (5.94%) Test Automation
10 16 (5.59%) Asset Management
11 15 (5.24%) Network Design
11 15 (5.24%) Open Source
11 15 (5.24%) Procure-to-Pay
12 14 (4.90%) Incident Management
12 14 (4.90%) TDD
13 13 (4.55%) Continuous Integration
13 13 (4.55%) Infrastructure Management
14 12 (4.20%) User Stories
Programming Languages
1 38 (13.29%) PowerShell
2 28 (9.79%) JavaScript
3 22 (7.69%) SQL
4 16 (5.59%) Java
5 11 (3.85%) Python
6 9 (3.15%) Bash
7 7 (2.45%) Apple Swift
7 7 (2.45%) C
8 6 (2.10%) C#
8 6 (2.10%) C++
8 6 (2.10%) Go
8 6 (2.10%) Kotlin
8 6 (2.10%) Objective-C
9 5 (1.75%) Lua
10 3 (1.05%) Shell Script
11 2 (0.70%) Perl
11 2 (0.70%) R
11 2 (0.70%) T-SQL
Qualifications
1 40 (13.99%) Degree
2 32 (11.19%) Cisco Certification
3 28 (9.79%) CCNP
4 18 (6.29%) Microsoft Certification
5 16 (5.59%) CCIE
6 12 (4.20%) JNCIA
7 11 (3.85%) ITIL Certification
7 11 (3.85%) MCSE
8 9 (3.15%) CCNA
9 7 (2.45%) MCP
10 6 (2.10%) HP APS
10 6 (2.10%) MCITP
10 6 (2.10%) MCTS
10 6 (2.10%) Security Cleared
11 5 (1.75%) CCIE Routing and Switching
12 4 (1.40%) CCVP
12 4 (1.40%) SC Cleared
13 3 (1.05%) CCENT
13 3 (1.05%) DV Cleared
13 3 (1.05%) JNCIP
Quality Assurance & Compliance
1 32 (11.19%) SLA
2 11 (3.85%) QA
3 10 (3.50%) GDPR
4 3 (1.05%) PCI DSS
5 2 (0.70%) ISO/IEC 27001
6 1 (0.35%) COBIT
6 1 (0.35%) NCSC
6 1 (0.35%) PMO
System Software
1 117 (40.91%) Active Directory
2 19 (6.64%) Hyper-V
3 15 (5.24%) VMware Infrastructure
4 12 (4.20%) VMware ESXi
5 10 (3.50%) Docker
6 7 (2.45%) Kamailio
7 6 (2.10%) Firmware
8 5 (1.75%) OpenSIPS
9 3 (1.05%) BitLocker
9 3 (1.05%) KVM
9 3 (1.05%) Virtual Machines
9 3 (1.05%) vSphere
10 2 (0.70%) Virtual Servers
11 1 (0.35%) oVirt
11 1 (0.35%) pfSense
11 1 (0.35%) VMware Workstation
11 1 (0.35%) XenApp
Systems Management
1 36 (12.59%) FortiGate
2 15 (5.24%) Microsoft Intune
3 13 (4.55%) Nagios
3 13 (4.55%) SCCM
4 10 (3.50%) Jamf Pro
4 10 (3.50%) Kubernetes
5 8 (2.80%) Backup Exec
5 8 (2.80%) Cisco CUCM
6 4 (1.40%) Ansible
6 4 (1.40%) cPanel
7 3 (1.05%) Cisco UCCX
8 2 (0.70%) Nessus
8 2 (0.70%) Plesk
8 2 (0.70%) Single Sign-On
8 2 (0.70%) Symantec Endpoint Protection
9 1 (0.35%) Grafana
9 1 (0.35%) NetBackup
9 1 (0.35%) OpenVAS
9 1 (0.35%) Trend Micro Deep Security
9 1 (0.35%) vCenter Server
Vendors
1 108 (37.76%) Microsoft
2 79 (27.62%) Cisco
3 38 (13.29%) VMware
4 26 (9.09%) Apple
5 24 (8.39%) Meraki
6 20 (6.99%) Mitel
7 19 (6.64%) Google
7 19 (6.64%) Juniper
8 16 (5.59%) BroadSoft
8 16 (5.59%) Citrix
8 16 (5.59%) SolarWinds
9 15 (5.24%) Sophos
10 14 (4.90%) Veeam
11 13 (4.55%) Nokia
11 13 (4.55%) Ruckus Wireless
12 12 (4.20%) Aerohive Networks
12 12 (4.20%) HP
13 11 (3.85%) Avaya
14 10 (3.50%) Dell
14 10 (3.50%) EqualLogic