Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in 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 November 2017 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)
England > London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 419 362 318
Rank change year-on-year -57 -44 +16
Contract jobs citing VoIP 218 266 316
As % of all contract IT jobs advertised in London 0.46% 0.59% 0.68%
As % of the Communications & Networking category 4.01% 4.25% 5.38%
Number of daily rates quoted 149 171 222
London median daily rate £350 £400 £389
Median daily rate % change year-on-year -12.50% +2.89% +11.07%
10th Percentile £228 £159 £186
90th Percentile £501 £525 £525
England median daily rate £350 £375 £375
% change year-on-year -6.67% - +15.38%
Number of hourly rates quoted 2 10 7
London median hourly rate £101.00 £13.00 £16.50
Median hourly rate % change year-on-year +676.92% -21.21% -17.50%
10th Percentile £29.30 £9.15 £10.60
90th Percentile £176.70 £47.63 £43.30
England median hourly rate £16.81 £27.50 £20.50
% change year-on-year -38.89% +34.15% +2.50%

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 London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Contract vacancies with a requirement for communications or computer networking skills 5435 6256 5870
As % of all contract IT jobs advertised in London 11.55% 13.92% 12.61%
Number of daily rates quoted 3650 4086 3878
London median daily rate £450 £448 £425
Median daily rate % change year-on-year +0.56% +5.29% +6.25%
10th Percentile £213 £255 £218
90th Percentile £625 £600 £588
England median daily rate £403 £400 £390
% change year-on-year +0.63% +2.56% +4.00%
Number of hourly rates quoted 146 141 177
London median hourly rate £19.57 £19.00 £18.70
Median hourly rate % change year-on-year +3.00% +1.60% +0.54%
10th Percentile £12.63 £11.50 £11.50
90th Percentile £48.29 £50.00 £44.25
England median hourly rate £18.56 £23.75 £20.50
% change year-on-year -21.84% +15.85% +2.50%

VoIP
Job Vacancy Trend in London

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

Job vacancy trend for VoIP in London

VoIP
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for VoIP in London

VoIP
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing VoIP in London over the 6 months to 21 November 2017.

Contractor daily rate histogram for VoIP in London

VoIP
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for VoIP in London

VoIP
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing VoIP in London over the 6 months to 21 November 2017.

Contractor hourly rate histogram for VoIP in London

VoIP
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing VoIP within the London region over the 6 months to 21 November 2017. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -20 35 £375 +7.14% 4
West London -27 8 £294 -30.88% 8
East London -6 1 £140 -6.67% 2
North London -11 1 £375 +51.52% 1
South London -34 1 - - 1
VoIP
England

For the 6 months to 21 November 2017, IT contractor jobs citing VoIP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for VoIP.

1 126 (57.80%) Cisco
2 69 (31.65%) Windows
3 62 (28.44%) LAN
3 62 (28.44%) WAN
4 56 (25.69%) Firewall
5 47 (21.56%) Cisco Certification
6 46 (21.10%) VPN
7 45 (20.64%) Finance
7 45 (20.64%) Migration
8 44 (20.18%) Microsoft
9 42 (19.27%) Windows Server
10 38 (17.43%) DNS
10 38 (17.43%) Data Centre
11 36 (16.51%) TCP/IP
11 36 (16.51%) Telecoms
12 35 (16.06%) ITIL
12 35 (16.06%) Avaya
13 34 (15.60%) Active Directory
13 34 (15.60%) MPLS
13 34 (15.60%) Linux
14 33 (15.14%) VMware
15 32 (14.68%) BGP
16 31 (14.22%) OSPF
16 31 (14.22%) Skype for Business
17 30 (13.76%) CCNP
18 29 (13.30%) VLAN
19 28 (12.84%) Cisco ASA
19 28 (12.84%) Windows Server 2012
20 26 (11.93%) Juniper
20 26 (11.93%) EIGRP

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 31 (14.22%) Skype for Business
2 14 (6.42%) MS Exchange
3 11 (5.05%) Elasticsearch
4 8 (3.67%) CMS
4 8 (3.67%) Exchange Server 2010
4 8 (3.67%) Exchange Server 2013
5 6 (2.75%) Blackberry Enterprise Server
5 6 (2.75%) SharePoint
6 4 (1.83%) SharePoint 2013
7 2 (0.92%) IIS
7 2 (0.92%) nginx
7 2 (0.92%) Tomcat
Applications
1 21 (9.63%) Microsoft Office
2 10 (4.59%) MS Visio
3 6 (2.75%) Microsoft Excel
4 4 (1.83%) Microsoft PowerPoint
5 1 (0.46%) Spreadsheet
Business Applications
1 4 (1.83%) Unit4 Business World
Cloud Services
1 19 (8.72%) Amazon AWS
2 16 (7.34%) Office 365
3 11 (5.05%) Microsoft Azure
4 5 (2.29%) IaaS
4 5 (2.29%) SaaS
5 4 (1.83%) IBM Cloud
5 4 (1.83%) PaaS
6 2 (0.92%) Mimecast
7 1 (0.46%) Yammer
Communications & Networking
1 62 (28.44%) LAN
1 62 (28.44%) WAN
2 56 (25.69%) Firewall
3 46 (21.10%) VPN
4 38 (17.43%) DNS
5 36 (16.51%) TCP/IP
6 34 (15.60%) MPLS
7 32 (14.68%) BGP
8 31 (14.22%) OSPF
9 29 (13.30%) VLAN
10 28 (12.84%) Cisco ASA
11 26 (11.93%) EIGRP
11 26 (11.93%) Wireless
12 24 (11.01%) Cisco Nexus
12 24 (11.01%) DHCP
12 24 (11.01%) Skype
13 23 (10.55%) SAN
14 21 (9.63%) Wi-Fi
15 16 (7.34%) ISDN
16 15 (6.88%) Ethernet
Database & Business Intelligence
1 16 (7.34%) SQL Server
2 6 (2.75%) SQL Server 2012
3 5 (2.29%) EDRMS
4 2 (0.92%) SQL Server 2008
Development Applications
1 1 (0.46%) Sonatype Nexus
1 1 (0.46%) VSS/SourceSafe
General
1 45 (20.64%) Finance
2 36 (16.51%) Telecoms
3 20 (9.17%) Banking
4 8 (3.67%) Retail
5 1 (0.46%) Electronics
5 1 (0.46%) French Language
5 1 (0.46%) Front Office
5 1 (0.46%) Law
5 1 (0.46%) Legal
5 1 (0.46%) Local Government
5 1 (0.46%) Manufacturing
5 1 (0.46%) Marketing
5 1 (0.46%) Multimedia
Job Titles
1 49 (22.48%) Cisco Engineer
1 49 (22.48%) Network Engineer
2 28 (12.84%) Voice Engineer
3 25 (11.47%) Analyst
4 23 (10.55%) Cisco Network Engineer
5 20 (9.17%) Infrastructure Engineer
6 17 (7.80%) Cisco Voice Engineer
7 16 (7.34%) DevOps Engineer
8 15 (6.88%) VoIP Engineer
9 14 (6.42%) Linux Engineer
9 14 (6.42%) Project Manager
10 13 (5.96%) IT Manager
10 13 (5.96%) Support Engineer
11 11 (5.05%) Operations Engineer
11 11 (5.05%) Support Analyst
11 11 (5.05%) Windows Engineer
12 10 (4.59%) Linux DevOps Engineer
12 10 (4.59%) Linux/Unix DevOps
12 10 (4.59%) Security Engineer
12 10 (4.59%) Windows DevOps Engineer
Libraries, Frameworks & Software Standards
1 17 (7.80%) XMPP
2 8 (3.67%) 802.1X
3 4 (1.83%) .NET
3 4 (1.83%) Web Services
4 2 (0.92%) REST
5 1 (0.46%) VML
5 1 (0.46%) WAP
Miscellaneous
1 38 (17.43%) Data Centre
2 20 (9.17%) Clustering
3 14 (6.42%) Analytical Skills
4 13 (5.96%) Replication
5 12 (5.50%) Blackberry
6 10 (4.59%) PKI
7 7 (3.21%) Private Cloud
8 6 (2.75%) Management Information System
8 6 (2.75%) Video Conferencing
9 5 (2.29%) Hedge funds
9 5 (2.29%) IVR
10 4 (1.83%) Computer Science
10 4 (1.83%) iPad
10 4 (1.83%) iPhone
11 3 (1.38%) Public Cloud
11 3 (1.38%) Smartphone
11 3 (1.38%) Virtual Team
12 2 (0.92%) Mobile App
12 2 (0.92%) NHS
13 1 (0.46%) Thin Client
Operating Systems
1 69 (31.65%) Windows
2 42 (19.27%) Windows Server
3 34 (15.60%) Linux
4 28 (12.84%) Windows Server 2012
5 15 (6.88%) Windows 7
6 14 (6.42%) Windows Server 2003
7 11 (5.05%) CentOS
7 11 (5.05%) Red Hat Enterprise Linux
7 11 (5.05%) Windows Server 2008
8 10 (4.59%) Windows 10
9 5 (2.29%) Windows XP
10 1 (0.46%) CatOS
10 1 (0.46%) Mac OS
10 1 (0.46%) Unix
10 1 (0.46%) Windows 2000 Server
Processes & Methodologies
1 45 (20.64%) Migration
2 35 (16.06%) ITIL
3 19 (8.72%) Project Management
4 18 (8.26%) DevOps
5 16 (7.34%) Network Monitoring
5 16 (7.34%) Patch Management
6 14 (6.42%) Network Management
7 13 (5.96%) Disaster Recovery
8 11 (5.05%) Open Source
8 11 (5.05%) Root Cause Analysis
9 10 (4.59%) Mobile Device Management
10 8 (3.67%) Agile Software Development
10 8 (3.67%) Information Security
11 7 (3.21%) Asset Management
11 7 (3.21%) B2B
11 7 (3.21%) High Availability
11 7 (3.21%) Load Balancing
11 7 (3.21%) PRINCE2
12 6 (2.75%) Change Control
12 6 (2.75%) Penetration Testing
Programming Languages
1 16 (7.34%) PowerShell
2 15 (6.88%) SQL
3 14 (6.42%) Bash Shell
4 3 (1.38%) Perl
4 3 (1.38%) Python
5 1 (0.46%) C
5 1 (0.46%) JavaScript
5 1 (0.46%) PHP
5 1 (0.46%) VBScript
Qualifications
1 47 (21.56%) Cisco Certification
2 30 (13.76%) CCNP
3 21 (9.63%) CCNA
4 17 (7.80%) CCIE
4 17 (7.80%) CCVP
5 12 (5.50%) Microsoft Certification
6 10 (4.59%) Degree
6 10 (4.59%) ITIL Certification
7 9 (4.13%) Security Cleared
8 8 (3.67%) CCNP Voice
9 7 (3.21%) MCSE
10 6 (2.75%) CCENT
11 4 (1.83%) DV Cleared
11 4 (1.83%) SC Cleared
12 3 (1.38%) ITIL Foundation Certificate
12 3 (1.38%) PRINCE2 Certification
13 2 (0.92%) A+ Certification
13 2 (0.92%) CCDP
13 2 (0.92%) CCIE Routing and Switching
14 1 (0.46%) CCIE Wireless
Quality Assurance & Compliance
1 12 (5.50%) SLA
2 4 (1.83%) ISO/IEC 27001
3 2 (0.92%) GDPR
3 2 (0.92%) Government Security Classifications
3 2 (0.92%) HMG Security Policy Framework
3 2 (0.92%) MiFID
4 1 (0.46%) COBIT
4 1 (0.46%) PMO
System Software
1 34 (15.60%) Active Directory
2 20 (9.17%) Hyper-V
3 19 (8.72%) VMware ESXi
4 16 (7.34%) VMware Infrastructure
5 11 (5.05%) Samba
6 7 (3.21%) FreeRADIUS
6 7 (3.21%) Virtual Machines
6 7 (3.21%) Virtual Servers
7 6 (2.75%) vSphere
8 4 (1.83%) XenApp
9 3 (1.38%) NFS
10 2 (0.92%) Microsoft App-V
10 2 (0.92%) VMware Workstation
11 1 (0.46%) Firmware
11 1 (0.46%) Microsoft Virtual Server
11 1 (0.46%) UAG
11 1 (0.46%) XenServer
Systems Management
1 22 (10.09%) Cisco CUCM
2 13 (5.96%) Cisco UCCX
3 11 (5.05%) WMI
4 10 (4.59%) Cisco Prime
4 10 (4.59%) Cisco UCCE
4 10 (4.59%) Opscode Chef
5 8 (3.67%) SCCM
6 5 (2.29%) AirWatch
6 5 (2.29%) SCOM
7 4 (1.83%) BMC PATROL
8 3 (1.38%) Cacti
8 3 (1.38%) FortiGate
9 2 (0.92%) Microsoft Data Protection Manager
9 2 (0.92%) Nagios
9 2 (0.92%) NetBackup
9 2 (0.92%) Norton AntiVirus
9 2 (0.92%) Systems Management Server (SMS)
9 2 (0.92%) Tivoli
10 1 (0.46%) Failover Clustering
10 1 (0.46%) Juniper STRM
Vendors
1 126 (57.80%) Cisco
2 44 (20.18%) Microsoft
3 35 (16.06%) Avaya
4 33 (15.14%) VMware
5 26 (11.93%) Juniper
6 25 (11.47%) SolarWinds
7 24 (11.01%) Mitel
8 19 (8.72%) CheckPoint
8 19 (8.72%) Fortinet
9 16 (7.34%) Apple
10 13 (5.96%) Citrix
10 13 (5.96%) Splunk
11 12 (5.50%) NetApp
12 11 (5.05%) BT
12 11 (5.05%) Nortel
12 11 (5.05%) Red Hat
13 10 (4.59%) F5
13 10 (4.59%) HP
13 10 (4.59%) Siemens
14 9 (4.13%) Palo Alto