Period
to 21 July 2018

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 21 July 2018 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
21 Jul 2018
Same period 2017 Same period 2016
Rank 233 205 209
Rank change year-on-year -28 +4 +2
Contract jobs citing VoIP 27 36 37
As % of all contract IT jobs advertised in the City of London 0.38% 0.55% 0.54%
As % of the Communications & Networking category 3.06% 5.20% 4.08%
Number of daily rates quoted 22 25 29
City of London median daily rate £356 £375 £420
Median daily rate % change year-on-year -5.07% -10.71% +12.00%
10th Percentile £143 £186 £160
90th Percentile £514 £513 £538
Central London median daily rate £362 £375 £410
% change year-on-year -3.47% -8.54% +7.54%
Number of hourly rates quoted 2 4 2
City of London median hourly rate £20.00 £24.61 £12.00
Median hourly rate % change year-on-year -18.73% +105.08% -4.00%
Central London median hourly rate £20.00 £24.61 £12.00
% change year-on-year -18.73% +105.08% -4.00%

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 883 692 906
As % of all contract IT jobs advertised in the City of London 12.43% 10.65% 13.25%
Number of daily rates quoted 694 523 703
City of London median daily rate £450 £450 £445
Median daily rate % change year-on-year - +1.12% +7.88%
10th Percentile £210 £180 £260
90th Percentile £625 £638 £588
Central London median daily rate £450 £450 £439
% change year-on-year - +2.56% +6.89%
Number of hourly rates quoted 23 21 16
City of London median hourly rate £19.00 £21.16 £19.50
Median hourly rate % change year-on-year -10.19% +8.49% +6.32%
10th Percentile £14.35 £13.31 £13.88
90th Percentile £33.00 £29.77 £28.63
Central London median hourly rate £19.50 £20.08 £20.00
% change year-on-year -2.88% +0.39% +11.23%

VoIP
Job Vacancy Trend in the City of London

Job postings citing VoIP as a percentage 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

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing VoIP in the City of London.

Contractor daily rate trend for VoIP in the City of London

VoIP
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing VoIP in the City of London over the 6 months to 21 July 2018.

Contractor daily rate histogram for VoIP in the City of London

VoIP
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing VoIP in the City of London.

Contractor hourly rate trend for VoIP in the City of London

For the 6 months to 21 July 2018, 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 16 (59.26%) Windows
2 11 (40.74%) Office 365
3 10 (37.04%) Microsoft
4 9 (33.33%) PBX
4 9 (33.33%) Finance
5 8 (29.63%) Active Directory
6 7 (25.93%) Firewall
6 7 (25.93%) Cisco
7 6 (22.22%) Skype for Business
7 6 (22.22%) Citrix
7 6 (22.22%) Skype
8 5 (18.52%) Windows Server
8 5 (18.52%) Microsoft Office
8 5 (18.52%) MPLS
8 5 (18.52%) Apple
9 4 (14.81%) PowerShell
9 4 (14.81%) Android
9 4 (14.81%) ITIL
9 4 (14.81%) MS Exchange
9 4 (14.81%) PSTN
9 4 (14.81%) WAN
10 3 (11.11%) Windows 10
10 3 (11.11%) LAN
10 3 (11.11%) DHCP
10 3 (11.11%) VPN
10 3 (11.11%) DNS
10 3 (11.11%) Linux
10 3 (11.11%) Project Management
10 3 (11.11%) CheckPoint
10 3 (11.11%) SolarWinds

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 6 (22.22%) Skype for Business
2 4 (14.81%) MS Exchange
3 1 (3.70%) Exchange Server 2013
3 1 (3.70%) SharePoint
3 1 (3.70%) WebSphere
Applications
1 5 (18.52%) Microsoft Office
2 1 (3.70%) Microsoft Excel
Cloud Services
1 11 (40.74%) Office 365
2 1 (3.70%) Microsoft Azure
2 1 (3.70%) Mimecast
2 1 (3.70%) OneDrive
2 1 (3.70%) SaaS
Communications & Networking
1 9 (33.33%) PBX
2 7 (25.93%) Firewall
3 6 (22.22%) Skype
4 5 (18.52%) MPLS
5 4 (14.81%) PSTN
5 4 (14.81%) WAN
6 3 (11.11%) DHCP
6 3 (11.11%) DNS
6 3 (11.11%) LAN
6 3 (11.11%) Unified Communications
6 3 (11.11%) VPN
7 2 (7.41%) Ethernet
7 2 (7.41%) H.323
7 2 (7.41%) ISDN
7 2 (7.41%) Network Security
7 2 (7.41%) SAN
7 2 (7.41%) Wi-Fi
7 2 (7.41%) Wireless
8 1 (3.70%) Broadband
8 1 (3.70%) TCP/IP
Database & Business Intelligence
1 1 (3.70%) Big Data
1 1 (3.70%) Data Warehouse
1 1 (3.70%) DataStage
1 1 (3.70%) DB2
1 1 (3.70%) IBM InfoSphere
1 1 (3.70%) NoSQL
1 1 (3.70%) SQL Server
Development Applications
1 1 (3.70%) Visual Studio
1 1 (3.70%) WinDbg
General
1 9 (33.33%) Finance
2 2 (7.41%) Law
3 1 (3.70%) Front Office
3 1 (3.70%) Legal
3 1 (3.70%) Retail
3 1 (3.70%) Telecoms
Job Titles
1 5 (18.52%) VoIP Engineer
2 4 (14.81%) IT Engineer
2 4 (14.81%) Support Engineer
3 3 (11.11%) Analyst
3 3 (11.11%) Desktop Engineer
3 3 (11.11%) Desktop Support
3 3 (11.11%) Support Analyst
4 2 (7.41%) 1st/2nd Line Support
4 2 (7.41%) 1st/2nd Line Support Analyst
4 2 (7.41%) 2nd Line Engineer
4 2 (7.41%) 2nd Line Support
4 2 (7.41%) 2nd Line Support Analyst
4 2 (7.41%) Architect
4 2 (7.41%) Desktop Support Engineer
4 2 (7.41%) Network Architect
4 2 (7.41%) Network Team Leader
4 2 (7.41%) Service Analyst
4 2 (7.41%) Team Leader
5 1 (3.70%) IT Support
5 1 (3.70%) Network Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 1 (3.70%) Middleware
1 1 (3.70%) WebSphere MQ
Miscellaneous
1 2 (7.41%) Computer Science
1 2 (7.41%) Data Centre
1 2 (7.41%) iPad
1 2 (7.41%) Video Conferencing
1 2 (7.41%) Virtual Team
2 1 (3.70%) Analytical Skills
2 1 (3.70%) iPhone
2 1 (3.70%) iSeries
2 1 (3.70%) Mainframe
2 1 (3.70%) Management Information System
Operating Systems
1 16 (59.26%) Windows
2 5 (18.52%) Windows Server
3 4 (14.81%) Android
4 3 (11.11%) Linux
4 3 (11.11%) Windows 10
5 2 (7.41%) Apple iOS
5 2 (7.41%) Mac OS X
6 1 (3.70%) HPUX
6 1 (3.70%) Mac OS
6 1 (3.70%) Solaris
6 1 (3.70%) Unix
6 1 (3.70%) Windows 7
6 1 (3.70%) Windows Server 2003
6 1 (3.70%) zOS
Processes & Methodologies
1 4 (14.81%) ITIL
2 3 (11.11%) Incident Management
2 3 (11.11%) Project Management
3 2 (7.41%) Computer Security
3 2 (7.41%) Decision-Making
3 2 (7.41%) Information Security
3 2 (7.41%) Mentoring
3 2 (7.41%) Proactive Monitoring
3 2 (7.41%) Problem Management
3 2 (7.41%) Root Cause Analysis
3 2 (7.41%) System Testing
3 2 (7.41%) TOGAF
4 1 (3.70%) Capacity Planning
4 1 (3.70%) Malware Detection/Protection
4 1 (3.70%) Network Management
4 1 (3.70%) Network Monitoring
4 1 (3.70%) Network Virtualisation
4 1 (3.70%) Patch Management
4 1 (3.70%) Problem-Solving
4 1 (3.70%) Software Deployment
Programming Languages
1 4 (14.81%) PowerShell
2 1 (3.70%) SQL
2 1 (3.70%) VBScript
Qualifications
1 2 (7.41%) CCIE
1 2 (7.41%) CCNP
1 2 (7.41%) CCVP
1 2 (7.41%) Cisco Certification
1 2 (7.41%) Degree
2 1 (3.70%) CISA
2 1 (3.70%) CISSP
2 1 (3.70%) ITIL Certification
System Software
1 8 (29.63%) Active Directory
2 2 (7.41%) Virtual Machines
2 2 (7.41%) VMware Infrastructure
2 2 (7.41%) XenApp
3 1 (3.70%) Hyper-V
3 1 (3.70%) VirtualBox
3 1 (3.70%) XenDesktop
Systems Management
1 3 (11.11%) SCCM
2 1 (3.70%) Perfmon
2 1 (3.70%) WSUS
Vendors
1 10 (37.04%) Microsoft
2 7 (25.93%) Cisco
3 6 (22.22%) Citrix
4 5 (18.52%) Apple
5 3 (11.11%) CheckPoint
5 3 (11.11%) Mitel
5 3 (11.11%) SolarWinds
6 2 (7.41%) Blue Coat
6 2 (7.41%) F5
6 2 (7.41%) HP
6 2 (7.41%) Meraki
6 2 (7.41%) Polycom
6 2 (7.41%) VMware
7 1 (3.70%) Bloomberg
7 1 (3.70%) Canon
7 1 (3.70%) Ivanti
7 1 (3.70%) MobileIron
7 1 (3.70%) Nortel
7 1 (3.70%) Reuters
7 1 (3.70%) Xerox