Period
to 2 July 2020

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 2 July 2020 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
Central London > City of London
6 months to
2 Jul 2020
Same period 2019 Same period 2018
Rank 194 230 277
Rank change year-on-year +36 +47 -78
Permanent jobs citing VoIP 52 108 75
As % of all permanent jobs advertised in the City of London 0.86% 1.04% 0.66%
As % of the Communications & Networking category 6.68% 8.05% 4.20%
Number of salaries quoted 55 95 69
Median annual salary £57,500 £33,730 £57,500
Median salary % change year-on-year +70.47% -41.34% +7.48%
10th Percentile £30,500 £23,300 £29,650
90th Percentile £77,500 £61,250 £73,750
Central London median annual salary £53,000 £35,000 £55,000
% change year-on-year +51.43% -36.36% +10.00%

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 778 1,342 1,784
As % of all permanent IT jobs advertised in the City of London 12.80% 12.94% 15.78%
Number of salaries quoted 685 1,209 1,591
Median annual salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.35% +8.49%
10th Percentile £36,000 £29,000 £31,250
90th Percentile £88,750 £92,500 £83,750
Central London median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +6.80%

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 2 July 2020.

Salary histogram for VoIP in the City of London

For the 6 months to 2 July 2020, 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 29 (55.77%) Windows
2 26 (50.00%) Cisco
2 26 (50.00%) Office 365
3 24 (46.15%) Active Directory
3 24 (46.15%) Firewall
4 23 (44.23%) TCP/IP
5 22 (42.31%) Microsoft
5 22 (42.31%) Windows Server
6 19 (36.54%) Windows 10
6 19 (36.54%) DNS
7 18 (34.62%) DHCP
7 18 (34.62%) Microsoft Office
7 18 (34.62%) Wireless
8 17 (32.69%) Azure
9 16 (30.77%) Juniper
10 14 (26.92%) Internet
10 14 (26.92%) VPN
10 14 (26.92%) Network Security
10 14 (26.92%) Meraki
11 13 (25.00%) MPLS
11 13 (25.00%) Microsoft Certification
12 12 (23.08%) HP
13 11 (21.15%) Finance
13 11 (21.15%) VMware
13 11 (21.15%) Cisco Certification
13 11 (21.15%) WAN
13 11 (21.15%) AWS
13 11 (21.15%) Windows 7
13 11 (21.15%) PowerShell
13 11 (21.15%) VLAN

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 5 (9.62%) IIS
1 5 (9.62%) MS Exchange
2 4 (7.69%) Exchange Server 2010
2 4 (7.69%) Skype for Business
2 4 (7.69%) Tomcat
3 3 (5.77%) SharePoint
Applications
1 18 (34.62%) Microsoft Office
2 7 (13.46%) Microsoft Excel
2 7 (13.46%) Microsoft PowerPoint
2 7 (13.46%) MS Visio
3 1 (1.92%) 3ds Max
3 1 (1.92%) Acrobat
3 1 (1.92%) Adobe Illustrator
3 1 (1.92%) Adobe Premiere
3 1 (1.92%) InDesign
3 1 (1.92%) LightWave 3D
3 1 (1.92%) MODO
3 1 (1.92%) Photoshop
3 1 (1.92%) Revit
3 1 (1.92%) SketchUp
Business Applications
1 4 (7.69%) FastStats
1 4 (7.69%) Unica
Cloud Services
1 26 (50.00%) Office 365
2 17 (32.69%) Azure
3 11 (21.15%) AWS
4 7 (13.46%) Azure Active Directory
5 5 (9.62%) G Suite
6 4 (7.69%) SaaS
7 1 (1.92%) OneDrive
Communications & Networking
1 24 (46.15%) Firewall
2 23 (44.23%) TCP/IP
3 19 (36.54%) DNS
4 18 (34.62%) DHCP
4 18 (34.62%) Wireless
5 14 (26.92%) Internet
5 14 (26.92%) Network Security
5 14 (26.92%) VPN
6 13 (25.00%) MPLS
7 11 (21.15%) VLAN
7 11 (21.15%) WAN
8 10 (19.23%) OSPF
9 9 (17.31%) NetScaler
9 9 (17.31%) PBX
10 8 (15.38%) Ethernet
11 7 (13.46%) BGP
11 7 (13.46%) Cisco ASA
11 7 (13.46%) GPON
11 7 (13.46%) Peer-to-Peer Networking
11 7 (13.46%) Wi-Fi
Database & Business Intelligence
1 5 (9.62%) SQL Server
General
1 11 (21.15%) Finance
2 9 (17.31%) Telecoms
3 4 (7.69%) Marketing
4 2 (3.85%) Pharmaceutical
5 1 (1.92%) Games
5 1 (1.92%) Law
Job Titles
1 13 (25.00%) IT Support
2 12 (23.08%) Network Engineer
3 9 (17.31%) Analyst
3 9 (17.31%) IT Engineer
3 9 (17.31%) Senior IT Support
4 8 (15.38%) Architect
4 8 (15.38%) Network Architect
4 8 (15.38%) Support Engineer
5 7 (13.46%) Senior Analyst
5 7 (13.46%) Senior Support Analyst
5 7 (13.46%) Support Analyst
6 6 (11.54%) IT Analyst
6 6 (11.54%) IT Support Analyst
6 6 (11.54%) Senior IT Support Analyst
7 5 (9.62%) Infrastructure Engineer
7 5 (9.62%) IT Infrastructure Engineer
7 5 (9.62%) Principal Engineer
8 4 (7.69%) IT Support Engineer
8 4 (7.69%) Support Technician
8 4 (7.69%) Windows Engineer
Libraries, Frameworks & Software Standards
1 1 (1.92%) Corona SDK
1 1 (1.92%) Unreal Engine
1 1 (1.92%) V-Ray
Miscellaneous
1 6 (11.54%) Data Centre
1 6 (11.54%) Distributed Denial-of-Service
1 6 (11.54%) Hybrid Cloud
1 6 (11.54%) Public Cloud
2 5 (9.62%) Video Conferencing
3 4 (7.69%) EFT
3 4 (7.69%) Management Information System
4 3 (5.77%) RSA SecurID
5 2 (3.85%) iPad
5 2 (3.85%) iPhone
5 2 (3.85%) Self-Motivation
5 2 (3.85%) Virtual Team
6 1 (1.92%) Client/Server
Operating Systems
1 29 (55.77%) Windows
2 22 (42.31%) Windows Server
3 19 (36.54%) Windows 10
4 11 (21.15%) Windows 7
5 9 (17.31%) Windows Server 2012
6 5 (9.62%) Windows Server 2008
7 4 (7.69%) Linux
8 3 (5.77%) Mac OS
8 3 (5.77%) Windows 8
8 3 (5.77%) Windows Server 2016
8 3 (5.77%) Windows Server 2019
9 2 (3.85%) Apple iOS
10 1 (1.92%) Mac OS X
Processes & Methodologies
1 9 (17.31%) Continuous Improvement
2 7 (13.46%) Migration
2 7 (13.46%) Mobile Device Management
2 7 (13.46%) Problem-Solving
2 7 (13.46%) Service Management
3 6 (11.54%) Continuous Improvement Process
3 6 (11.54%) Infrastructure Engineering
3 6 (11.54%) Time Management
3 6 (11.54%) Vulnerability Management
4 5 (9.62%) CRM
5 4 (7.69%) Asset Management
5 4 (7.69%) Disaster Recovery
5 4 (7.69%) Information Security
5 4 (7.69%) Risk Assessment
5 4 (7.69%) Software Licensing
6 3 (5.77%) Availability Management
6 3 (5.77%) Digital Transformation Programme
6 3 (5.77%) Performance Management
6 3 (5.77%) Project Management
6 3 (5.77%) Service Delivery
Programming Languages
1 11 (21.15%) PowerShell
2 4 (7.69%) Python
2 4 (7.69%) SQL
2 4 (7.69%) T-SQL
3 3 (5.77%) C
Qualifications
1 13 (25.00%) Microsoft Certification
2 11 (21.15%) Cisco Certification
3 9 (17.31%) Degree
3 9 (17.31%) MCSA
4 8 (15.38%) CCNP
4 8 (15.38%) MCP
5 7 (13.46%) CCDA
5 7 (13.46%) CCDP
5 7 (13.46%) JNCIA
6 3 (5.77%) CCNA
7 2 (3.85%) MCSE
8 1 (1.92%) CCIE
8 1 (1.92%) MCITP
8 1 (1.92%) MCTS
System Software
1 24 (46.15%) Active Directory
2 9 (17.31%) Hyper-V
3 3 (5.77%) vSphere
4 2 (3.85%) VMware Infrastructure
4 2 (3.85%) VMware Workstation
4 2 (3.85%) XenDesktop
5 1 (1.92%) BitLocker
Systems Management
1 7 (13.46%) SCCM
2 4 (7.69%) Backup Exec
2 4 (7.69%) Symantec Endpoint Protection
3 3 (5.77%) Microsoft Intune
3 3 (5.77%) Nagios
4 2 (3.85%) McAfee ePO
5 1 (1.92%) Cisco CUCM
5 1 (1.92%) Cisco UCCX
Vendors
1 26 (50.00%) Cisco
2 22 (42.31%) Microsoft
3 16 (30.77%) Juniper
4 14 (26.92%) Meraki
5 12 (23.08%) HP
6 11 (21.15%) VMware
7 8 (15.38%) Citrix
8 7 (13.46%) Huawei
9 6 (11.54%) Arista
9 6 (11.54%) Avaya
9 6 (11.54%) F5
10 4 (7.69%) Apteco
10 4 (7.69%) Dell
10 4 (7.69%) IBM
10 4 (7.69%) Polycom
10 4 (7.69%) Symantec
10 4 (7.69%) Veritas
11 3 (5.77%) Draytek
11 3 (5.77%) Kerio
11 3 (5.77%) SolarWinds