Period
to

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 21 May 2022 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
Central London > City of London
6 months to
21 May 2022
Same period 2021 Same period 2020
Rank 252 218 206
Rank change year-on-year -34 -12 +39
Permanent jobs citing VoIP 32 15 62
As % of all permanent jobs advertised in the City of London 0.43% 0.30% 0.87%
As % of the Communications & Networking category 4.46% 3.22% 6.81%
Number of salaries quoted 31 12 59
10th Percentile £45,500 £35,000 £28,900
25th Percentile £55,000 £35,750 £34,500
Median annual salary (50th Percentile) £60,000 £48,750 £50,000
Median % change year-on-year +23.08% -2.50% +29.03%
75th Percentile £77,500 £78,125 £73,750
90th Percentile £80,000 £89,375 £77,500
Central London median annual salary £60,000 £50,000 £50,000
% change year-on-year +20.00% - +42.86%

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 the City of London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Permanent vacancies with a requirement for communications or computer networking skills 717 466 910
As % of all permanent IT jobs advertised in the City of London 9.70% 9.24% 12.83%
Number of salaries quoted 541 415 813
10th Percentile £32,500 £40,875 £35,000
25th Percentile £46,250 £48,750 £43,750
Median annual salary (50th Percentile) £62,000 £64,236 £57,500
Median % change year-on-year -3.48% +11.71% -4.17%
75th Percentile £78,750 £79,375 £75,500
90th Percentile £101,250 £97,500 £88,750
Central London median annual salary £60,305 £60,000 £57,500
% change year-on-year +0.51% +4.35% +4.55%

VoIP
Job Vacancy Trend in the City of London

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

Job vacancy trend for VoIP in the City of London

VoIP
Salary Trend in the City of London

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

Salary trend for VoIP in the City of London

VoIP
Salary Histogram in the City of London

Salary distribution for jobs citing VoIP in the City of London over the 6 months to 21 May 2022.

Salary histogram for VoIP in the City of London

For the 6 months to 21 May 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 City of London region with a requirement for VoIP.

1 23 (71.88%) Windows
1 23 (71.88%) Active Directory
2 19 (59.38%) Finance
2 19 (59.38%) Social Skills
3 16 (50.00%) Cisco
4 13 (40.63%) Data Centre
5 12 (37.50%) Microsoft
5 12 (37.50%) Microsoft Office
6 11 (34.38%) Firewall
6 11 (34.38%) Windows 10
7 10 (31.25%) Wi-Fi
7 10 (31.25%) VMware
7 10 (31.25%) Azure
8 9 (28.13%) VMware Infrastructure
8 9 (28.13%) Application Packaging
8 9 (28.13%) WAN
8 9 (28.13%) Microsoft 365
9 8 (25.00%) Decision-Making
9 8 (25.00%) Presentation Skills
9 8 (25.00%) Windows Server 2016
9 8 (25.00%) Windows Server 2019
9 8 (25.00%) Inventory Management
9 8 (25.00%) Inventory Control
9 8 (25.00%) Fidessa
9 8 (25.00%) HP
9 8 (25.00%) Citrix
9 8 (25.00%) Cisco Certification
9 8 (25.00%) IBM Notes
9 8 (25.00%) CCNA
9 8 (25.00%) Lotus

VoIP
Co-occurring IT Skills in the City of 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 8 (25.00%) IBM Notes
2 1 (3.13%) Blackberry Enterprise Server
2 1 (3.13%) SharePoint
2 1 (3.13%) Skype for Business
Applications
1 12 (37.50%) Microsoft Office
2 2 (6.25%) MS Visio
Cloud Services
1 10 (31.25%) Azure
2 9 (28.13%) Microsoft 365
3 5 (15.63%) AWS
4 2 (6.25%) Cloud Computing
4 2 (6.25%) Lucidchart
4 2 (6.25%) Mimecast
5 1 (3.13%) Dynamics 365
5 1 (3.13%) Power Platform
Communications & Networking
1 11 (34.38%) Firewall
2 10 (31.25%) Wi-Fi
3 9 (28.13%) WAN
4 8 (25.00%) NAS
5 6 (18.75%) DNS
6 5 (15.63%) DHCP
6 5 (15.63%) MPLS
6 5 (15.63%) TCP/IP
7 4 (12.50%) Bluetooth
7 4 (12.50%) LAN
8 2 (6.25%) IPsec
8 2 (6.25%) Network Security
8 2 (6.25%) SAN
8 2 (6.25%) SD-WAN
8 2 (6.25%) VPN
8 2 (6.25%) Wireless
8 2 (6.25%) WLAN
9 1 (3.13%) Skype
Database & Business Intelligence
1 3 (9.38%) SQL Server
2 1 (3.13%) Big Data
2 1 (3.13%) Power BI
Development Applications
1 2 (6.25%) Jasmine
1 2 (6.25%) Mocha
1 2 (6.25%) Selenium
General
1 19 (59.38%) Finance
1 19 (59.38%) Social Skills
2 8 (25.00%) Banking
2 8 (25.00%) Investment Banking
2 8 (25.00%) Presentation Skills
2 8 (25.00%) Telecoms
3 4 (12.50%) Wearables
4 2 (6.25%) Advertising
5 1 (3.13%) Public Sector
Job Titles
1 10 (31.25%) Support Engineer
2 9 (28.13%) Desktop Support
3 8 (25.00%) Desktop Engineer
3 8 (25.00%) Desktop Support Engineer
4 6 (18.75%) Developer
5 5 (15.63%) Full Stack Developer
5 5 (15.63%) Infrastructure Engineer
5 5 (15.63%) Network Manager
6 4 (12.50%) Java Developer
7 3 (9.38%) Infrastructure Manager
7 3 (9.38%) Network Infrastructure Manager
7 3 (9.38%) VMware Engineer
7 3 (9.38%) VMware Infrastructure Engineer
7 3 (9.38%) Windows Engineer
7 3 (9.38%) Windows Infrastructure Engineer
8 2 (6.25%) Analyst
8 2 (6.25%) Network Engineer
8 2 (6.25%) Senior Network Engineer
8 2 (6.25%) Support Analyst
8 2 (6.25%) Windows Server Engineer
Libraries, Frameworks & Software Standards
1 6 (18.75%) React
2 4 (12.50%) Android SDK
2 4 (12.50%) AngularJS
2 4 (12.50%) NestJS
2 4 (12.50%) Spring
3 2 (6.25%) Ajax
3 2 (6.25%) CSS
3 2 (6.25%) CSS3
3 2 (6.25%) HTML
3 2 (6.25%) HTML5
3 2 (6.25%) Jest
3 2 (6.25%) JSON
3 2 (6.25%) Node.js
3 2 (6.25%) REST
3 2 (6.25%) Sass
3 2 (6.25%) Web Components
3 2 (6.25%) Web Services
3 2 (6.25%) WebRTC
4 1 (3.13%) LDAP
Miscellaneous
1 13 (40.63%) Data Centre
2 8 (25.00%) Blackberry
3 5 (15.63%) Management Information System
3 5 (15.63%) User Experience
4 4 (12.50%) Mobile App
5 2 (6.25%) Enterprise Software
5 2 (6.25%) Fat Client
5 2 (6.25%) IVR
5 2 (6.25%) Thin Client
5 2 (6.25%) Video Conferencing
6 1 (3.13%) Smartphone
Operating Systems
1 23 (71.88%) Windows
2 11 (34.38%) Windows 10
3 8 (25.00%) Mac OS
3 8 (25.00%) Windows 7
3 8 (25.00%) Windows Server 2016
3 8 (25.00%) Windows Server 2019
4 5 (15.63%) Windows Server 2012
5 4 (12.50%) Android
5 4 (12.50%) Linux
5 4 (12.50%) Windows Server
6 1 (3.13%) Unix
6 1 (3.13%) Windows Server 2003
Processes & Methodologies
1 9 (28.13%) Application Packaging
2 8 (25.00%) Decision-Making
2 8 (25.00%) Inventory Control
2 8 (25.00%) Inventory Management
3 7 (21.88%) Change Control
3 7 (21.88%) ITIL
4 6 (18.75%) Agile
4 6 (18.75%) Full Stack Development
4 6 (18.75%) Incident Management
4 6 (18.75%) Infrastructure Engineering
4 6 (18.75%) Problem Management
5 5 (15.63%) Problem-Solving
6 4 (12.50%) Artificial Intelligence
6 4 (12.50%) Computer Science
6 4 (12.50%) Hardware-in-the-Loop
6 4 (12.50%) Integration Testing
6 4 (12.50%) Speech Recognition
6 4 (12.50%) UX Design
7 3 (9.38%) Project Delivery
7 3 (9.38%) Stakeholder Management
Programming Languages
1 6 (18.75%) JavaScript
2 5 (15.63%) PowerShell
3 4 (12.50%) Java
3 4 (12.50%) TypeScript
4 3 (9.38%) Shell Script
4 3 (9.38%) SQL
Qualifications
1 8 (25.00%) CCNA
1 8 (25.00%) Cisco Certification
1 8 (25.00%) Degree
2 7 (21.88%) CCIE
2 7 (21.88%) CCNP
3 1 (3.13%) ITIL Certification
3 1 (3.13%) Microsoft Certification
Quality Assurance & Compliance
1 2 (6.25%) SLA
2 1 (3.13%) QA
System Software
1 23 (71.88%) Active Directory
2 9 (28.13%) VMware Infrastructure
3 3 (9.38%) VMware ESXi
4 2 (6.25%) Docker
4 2 (6.25%) Terminal Services
4 2 (6.25%) XenApp
5 1 (3.13%) Virtual Desktop
5 1 (3.13%) XenDesktop
Systems Management
1 2 (6.25%) Kubernetes
2 1 (3.13%) Microsoft Intune
2 1 (3.13%) SCCM
Vendors
1 16 (50.00%) Cisco
2 12 (37.50%) Microsoft
3 10 (31.25%) VMware
4 8 (25.00%) Bloomberg
4 8 (25.00%) Citrix
4 8 (25.00%) Fidessa
4 8 (25.00%) HP
4 8 (25.00%) Lotus
5 7 (21.88%) Juniper
5 7 (21.88%) Palo Alto
6 5 (15.63%) Forcepoint
6 5 (15.63%) ForeScout
6 5 (15.63%) Meraki
7 3 (9.38%) Sophos
8 2 (6.25%) Aruba
8 2 (6.25%) Avaya
8 2 (6.25%) F5
8 2 (6.25%) Remedy
8 2 (6.25%) ServiceNow
8 2 (6.25%) SolarWinds