Period
to 5 May 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for VoIP skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited VoIP over the 6 months to 5 May 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Voice Over IP (VoIP)
Central London > City of London
6 months to
5 May 2021
Same period 2020 Same period 2019
Rank 148 151 215
Rank change year-on-year +3 +64 +16
Contract jobs citing VoIP 6 17 28
As % of all contract jobs advertised in the City of London 0.22% 0.47% 0.42%
As % of the Communications & Networking category 2.18% 4.96% 3.73%
Number of daily rates quoted 5 16 20
10th Percentile £326 £143 £199
25th Percentile £338 £159 £259
Median daily rate (50th Percentile) £375 £209 £328
Median % change year-on-year +79.43% -36.18% -6.43%
75th Percentile £438 £414 £504
90th Percentile £490 £579 £519
Central London median daily rate £375 £350 £328
% change year-on-year +7.14% +6.87% -6.43%
Number of hourly rates quoted 0 0 2
Median hourly rate - - £20.00
Central London median hourly rate - - £20.00

VoIP is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all contract 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
Contract vacancies with a requirement for communications or computer networking skills 275 343 751
As % of all contract IT jobs advertised in the City of London 10.21% 9.56% 11.39%
Number of daily rates quoted 211 249 568
10th Percentile £338 £204 £200
25th Percentile £403 £325 £363
Median daily rate (50th Percentile) £500 £450 £475
Median % change year-on-year +11.11% -5.26% +5.56%
75th Percentile £575 £575 £575
90th Percentile £675 £650 £656
Central London median daily rate £500 £450 £475
% change year-on-year +11.11% -5.26% +5.56%
Number of hourly rates quoted 2 8 19
10th Percentile £11.98 £16.39 £17.76
25th Percentile £12.69 £18.70 £18.70
Median hourly rate £14.75 £31.75 £22.00
Median % change year-on-year -53.54% +44.32% +15.79%
75th Percentile £17.19 £42.25 £37.50
90th Percentile £18.13 £52.83 £42.70
Central London median hourly rate £15.75 £30.05 £21.50
% change year-on-year -47.59% +39.77% +14.97%

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
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for VoIP in the City of London

VoIP
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing VoIP in the City of London over the 6 months to 5 May 2021.

Daily rate histogram for VoIP in the City of London

VoIP
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for VoIP in the City of London

For the 6 months to 5 May 2021, IT contractor 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 contract job ads across the City of London region with a requirement for VoIP.

1 5 (83.33%) Firewall
2 4 (66.67%) Windows
2 4 (66.67%) VPN
2 4 (66.67%) Cisco
2 4 (66.67%) Internet
3 3 (50.00%) ITIL
3 3 (50.00%) Microsoft
3 3 (50.00%) Windows Server 2008
3 3 (50.00%) Telecoms
3 3 (50.00%) VMware
3 3 (50.00%) Windows Server
4 2 (33.33%) HMG Security Policy Framework
4 2 (33.33%) Organisational Skills
4 2 (33.33%) Social Skills
4 2 (33.33%) Government Security Classifications
4 2 (33.33%) Virtual Machines
4 2 (33.33%) Microsoft 365
4 2 (33.33%) vSphere
4 2 (33.33%) Protective Monitoring
4 2 (33.33%) Analytical Skills
4 2 (33.33%) CESG
4 2 (33.33%) VLAN
4 2 (33.33%) Service Management
4 2 (33.33%) Cisco ASA
4 2 (33.33%) Hyper-V
4 2 (33.33%) Fat Client
4 2 (33.33%) Network Security
4 2 (33.33%) Data Protection
4 2 (33.33%) SC Cleared
4 2 (33.33%) Security Cleared

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 1 (16.67%) Exchange Server 2010
1 1 (16.67%) MS Exchange
1 1 (16.67%) SharePoint
Applications
1 1 (16.67%) Microsoft Office
Cloud Services
1 2 (33.33%) Microsoft 365
2 1 (16.67%) Azure
2 1 (16.67%) Mimecast
Communications & Networking
1 5 (83.33%) Firewall
2 4 (66.67%) Internet
2 4 (66.67%) VPN
3 2 (33.33%) Cisco ASA
3 2 (33.33%) IPv4
3 2 (33.33%) Network Security
3 2 (33.33%) VLAN
4 1 (16.67%) DHCP
4 1 (16.67%) DNS
4 1 (16.67%) Ethernet
4 1 (16.67%) LAN
4 1 (16.67%) PBX
4 1 (16.67%) Remote Desktop
4 1 (16.67%) SD-WAN
4 1 (16.67%) Skype
4 1 (16.67%) TCP/IP
4 1 (16.67%) Unified Communications
4 1 (16.67%) WAN
4 1 (16.67%) Wi-Fi
4 1 (16.67%) Wireless
Database & Business Intelligence
1 1 (16.67%) SQL Server
1 1 (16.67%) SQL Server 2014
General
1 3 (50.00%) Telecoms
2 2 (33.33%) Analytical Skills
2 2 (33.33%) Organisational Skills
2 2 (33.33%) Social Skills
3 1 (16.67%) Finance
3 1 (16.67%) Legal
3 1 (16.67%) Marketing
Job Titles
1 2 (33.33%) Analyst
2 1 (16.67%) 3rd Line Engineer
2 1 (16.67%) 3rd Line Support
2 1 (16.67%) 3rd Line Support Engineer
2 1 (16.67%) Cisco Analyst
2 1 (16.67%) Cisco Network Analyst
2 1 (16.67%) Exchange Engineer
2 1 (16.67%) Infrastructure Analyst
2 1 (16.67%) Infrastructure Operations Analyst
2 1 (16.67%) IT Manager
2 1 (16.67%) Messaging Engineer
2 1 (16.67%) Microsoft 365 Engineer
2 1 (16.67%) Network Analyst
2 1 (16.67%) Operations Analyst
2 1 (16.67%) Support Engineer
2 1 (16.67%) Support Officer
2 1 (16.67%) Technical Support
2 1 (16.67%) Technical Support Officer
Miscellaneous
1 2 (33.33%) CESG
1 2 (33.33%) Fat Client
1 2 (33.33%) Thin Client
2 1 (16.67%) Clustering
2 1 (16.67%) Hybrid Cloud
2 1 (16.67%) Mobile Computing
2 1 (16.67%) Replication
Operating Systems
1 4 (66.67%) Windows
2 3 (50.00%) Windows Server
2 3 (50.00%) Windows Server 2008
3 1 (16.67%) Windows 10
3 1 (16.67%) Windows 7
3 1 (16.67%) Windows Server 2012
Processes & Methodologies
1 3 (50.00%) ITIL
2 2 (33.33%) Data Protection
2 2 (33.33%) Protective Monitoring
2 2 (33.33%) Service Management
3 1 (16.67%) Infrastructure Engineering
3 1 (16.67%) Line Management
3 1 (16.67%) Migration
Programming Languages
1 1 (16.67%) PowerShell
1 1 (16.67%) SQL
Qualifications
1 2 (33.33%) ITIL Certification
1 2 (33.33%) SC Cleared
1 2 (33.33%) Security Cleared
2 1 (16.67%) CCDP
2 1 (16.67%) CCNP
2 1 (16.67%) Cisco Certification
2 1 (16.67%) MCITP
2 1 (16.67%) MCSE
2 1 (16.67%) Microsoft Certification
Quality Assurance & Compliance
1 2 (33.33%) Government Security Classifications
1 2 (33.33%) HMG Security Policy Framework
System Software
1 2 (33.33%) Active Directory
1 2 (33.33%) Hyper-V
1 2 (33.33%) Virtual Machines
1 2 (33.33%) vSphere
2 1 (16.67%) VMware Infrastructure
2 1 (16.67%) XenApp
2 1 (16.67%) XenDesktop
Systems Management
1 1 (16.67%) AirWatch
1 1 (16.67%) Microsoft Intune
1 1 (16.67%) SCCM
1 1 (16.67%) Tivoli Storage Manager
Vendors
1 4 (66.67%) Cisco
2 3 (50.00%) Microsoft
2 3 (50.00%) VMware
3 2 (33.33%) Avaya
3 2 (33.33%) Citrix
4 1 (16.67%) CommVault
4 1 (16.67%) IBM
4 1 (16.67%) Nortel