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 3 months to 24 June 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
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 333 307 252
Rank change year-on-year -26 -55  
Contract jobs citing VoIP 79 121 176
As % of all contract IT jobs advertised in London 0.39% 0.56% 0.75%
As % of the Communications & Networking category 3.52% 4.02% 5.65%
Number of daily rates quoted 56 80 118
Median daily rate £369 £400 £373
Median daily rate % change year-on-year -7.81% +7.38%  
90% offered a daily rate of more than £234 £125 £195
10% offered a daily rate of more than £500 £525 £550
UK excluding London median daily rate £350 £360 £331
% change year-on-year -2.77% +8.67%  
Number of hourly rates quoted 4 3 3
Median hourly rate £24.61 £15.50 £16.00
Median hourly rate % change year-on-year +58.77% -3.12%  
90% offered a hourly rate of more than £16.06 £13.10 £15.20
10% offered a hourly rate of more than £24.86 £21.10 £16.40
UK excluding London median hourly rate £20.00 £28.75 £20.50
% change year-on-year -30.43% +40.24%  

VoIP is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
London
Contract job vacancies with a requirement for communications and computer networking skills 2244 3010 3113
As % of all contract IT job vacancies advertised in London 10.98% 13.89% 13.30%
Number of daily rates quoted 1497 2047 2008
Median daily rate £450 £425 £388
Median daily rate % change year-on-year +5.88% +9.67%  
90% offered a daily rate of more than £238 £245 £225
10% offered a daily rate of more than £600 £585 £550
UK excluding London median daily rate £375 £368 £345
% change year-on-year +2.04% +6.52%  
Number of hourly rates quoted 66 47 93
Median hourly rate £24.93 £22.00 £18.86
Median hourly rate % change year-on-year +13.31% +16.67%  
90% offered a hourly rate of more than £14.78 £12.05 £13.00
10% offered a hourly rate of more than £50.00 £42.50 £50.00
UK excluding London median hourly rate £28.00 £32.50 £25.00
% change year-on-year -13.84% +30.00%  

VoIP
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing VoIP as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

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 3 months to 24 June 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
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 3 months to 24 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -4 19 £419 -2.61% 9
Hammersmith - 2 £300 - 1
Docklands, London +2 1 £450 +5.88%
VoIP
England

For the 6 months to 24 June 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.

1 108 (58.06%) Cisco
2 62 (33.33%) Windows
3 60 (32.26%) Firewall
4 56 (30.11%) Cisco Certification
5 54 (29.03%) Microsoft
6 51 (27.42%) WAN
7 49 (26.34%) Active Directory
8 47 (25.27%) LAN
9 45 (24.19%) TCP/IP
10 38 (20.43%) Telecoms
11 37 (19.89%) Migration
12 34 (18.28%) Finance
13 33 (17.74%) CCNP
14 32 (17.20%) CCNA
14 32 (17.20%) Citrix
14 32 (17.20%) VMware
15 30 (16.13%) Wireless
15 30 (16.13%) Microsoft Office
16 29 (15.59%) Office 365
17 28 (15.05%) VLAN
18 26 (13.98%) MPLS
19 25 (13.44%) ITIL
19 25 (13.44%) Cisco ASA
20 24 (12.90%) VPN
20 24 (12.90%) Windows Server
21 23 (12.37%) Cisco CUCM
22 22 (11.83%) Skype for Business
22 22 (11.83%) DNS
22 22 (11.83%) OSPF
22 22 (11.83%) Project Management

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 22 (11.83%) Skype for Business
2 19 (10.22%) MS Exchange
3 13 (6.99%) SharePoint
4 12 (6.45%) Exchange Server 2010
5 10 (5.38%) Exchange Server 2013
6 9 (4.84%) Blackberry Enterprise Server
7 4 (2.15%) IIS
8 3 (1.61%) Apache Qpid
8 3 (1.61%) Confluence
8 3 (1.61%) Office Communications Server
9 2 (1.08%) IBM Notes
10 1 (0.54%) CMS
10 1 (0.54%) Exchange Server 2007
Applications
1 30 (16.13%) Microsoft Office
2 15 (8.06%) Microsoft Excel
3 6 (3.23%) Microsoft PowerPoint
3 6 (3.23%) MS Visio
4 1 (0.54%) Microsoft Project
4 1 (0.54%) Shockwave
Business Applications
1 4 (2.15%) Dynamics CRM
2 2 (1.08%) Oracle Applications
3 1 (0.54%) Cisco SocialMiner
3 1 (0.54%) SystmOne
Cloud Services
1 29 (15.59%) Office 365
2 9 (4.84%) IaaS
2 9 (4.84%) SaaS
3 8 (4.30%) Microsoft Azure
4 6 (3.23%) Amazon AWS
5 5 (2.69%) Mimecast
6 3 (1.61%) Yammer
7 2 (1.08%) IBM Cloud
7 2 (1.08%) PaaS
8 1 (0.54%) Azure Active Directory
8 1 (0.54%) G Suite
Communications & Networking
1 60 (32.26%) Firewall
2 51 (27.42%) WAN
3 47 (25.27%) LAN
4 45 (24.19%) TCP/IP
5 30 (16.13%) Wireless
6 28 (15.05%) VLAN
7 26 (13.98%) MPLS
8 25 (13.44%) Cisco ASA
9 24 (12.90%) VPN
10 22 (11.83%) DNS
10 22 (11.83%) OSPF
11 18 (9.68%) BGP
11 18 (9.68%) ISDN
11 18 (9.68%) Unified Communications
12 16 (8.60%) Wi-Fi
13 15 (8.06%) DHCP
14 14 (7.53%) Ethernet
14 14 (7.53%) HSRP
15 13 (6.99%) EIGRP
15 13 (6.99%) IPsec
Database & Business Intelligence
1 19 (10.22%) SQL Server
2 9 (4.84%) SQL Server 2008
3 5 (2.69%) SQL Server 2012
4 3 (1.61%) Data Warehouse
4 3 (1.61%) dBASE
4 3 (1.61%) Oracle BI EE
4 3 (1.61%) Oracle ODI
5 1 (0.54%) MySQL
Development Applications
1 3 (1.61%) Bitbucket
1 3 (1.61%) CMake
1 3 (1.61%) CruiseControl
1 3 (1.61%) Git (software)
1 3 (1.61%) GoogleTest
1 3 (1.61%) Jenkins
1 3 (1.61%) JIRA
1 3 (1.61%) Team Foundation Server
1 3 (1.61%) TeamCity
1 3 (1.61%) Valgrind
1 3 (1.61%) Visual Studio Team System
1 3 (1.61%) VSS/SourceSafe
1 3 (1.61%) VTune
2 1 (0.54%) Appcelerator Titanium
2 1 (0.54%) Sonatype Nexus
General
1 38 (20.43%) Telecoms
2 34 (18.28%) Finance
3 9 (4.84%) Banking
4 8 (4.30%) Law
5 7 (3.76%) Legal
6 5 (2.69%) Retail
7 4 (2.15%) French Language
8 3 (1.61%) Back Office
8 3 (1.61%) Front Office
9 2 (1.08%) Financial Institution
10 1 (0.54%) Advertising
10 1 (0.54%) Billing
10 1 (0.54%) Corporate Banking
Job Titles
1 41 (22.04%) Network Engineer
2 21 (11.29%) Analyst
3 18 (9.68%) Cisco Engineer
3 18 (9.68%) Project Manager
4 16 (8.60%) Infrastructure Engineer
5 14 (7.53%) Support Engineer
6 11 (5.91%) Architect
6 11 (5.91%) Support Analyst
7 10 (5.38%) Cisco Network Engineer
7 10 (5.38%) Consultant
7 10 (5.38%) Senior Network Engineer
8 9 (4.84%) Infrastructure Manager
8 9 (4.84%) IT Support
9 8 (4.30%) Network Support
9 8 (4.30%) Voice Engineer
9 8 (4.30%) VoIP Engineer
10 7 (3.76%) Cisco VoIP Engineer
10 7 (3.76%) Desktop Support
10 7 (3.76%) IT Manager
10 7 (3.76%) Server Engineer
Libraries, Frameworks & Software Standards
1 9 (4.84%) 802.1X
1 9 (4.84%) XMPP
2 4 (2.15%) HTML
3 3 (1.61%) .NET
3 3 (1.61%) ASP.NET
3 3 (1.61%) CSS
3 3 (1.61%) WAP
3 3 (1.61%) WCF
3 3 (1.61%) WF
4 1 (0.54%) Flash
4 1 (0.54%) Middleware
4 1 (0.54%) Node.js
4 1 (0.54%) React Native
4 1 (0.54%) Web Services
4 1 (0.54%) WebRTC
Miscellaneous
1 21 (11.29%) Analytical Skills
2 19 (10.22%) Data Centre
3 13 (6.99%) Video Conferencing
4 11 (5.91%) Blackberry
5 9 (4.84%) Handset
6 8 (4.30%) Clustering
6 8 (4.30%) iPad
6 8 (4.30%) IVR
7 6 (3.23%) iPhone
8 4 (2.15%) CCTV
8 4 (2.15%) Private Cloud
8 4 (2.15%) Smartphone
9 3 (1.61%) Computer Science
9 3 (1.61%) Management Information System
9 3 (1.61%) Replication
9 3 (1.61%) User Experience
10 2 (1.08%) Driving Licence
10 2 (1.08%) NHS
10 2 (1.08%) Virtual Team
11 1 (0.54%) Greenfield Project
Operating Systems
1 62 (33.33%) Windows
2 24 (12.90%) Windows Server
3 20 (10.75%) Windows 7
4 19 (10.22%) Windows Server 2008
5 17 (9.14%) Windows 10
5 17 (9.14%) Windows Server 2012
6 7 (3.76%) Linux
6 7 (3.76%) Windows XP
7 5 (2.69%) Android
7 5 (2.69%) Mac OS X
8 4 (2.15%) Windows Server 2003
9 3 (1.61%) Windows 8
10 2 (1.08%) Apple iOS
11 1 (0.54%) Mac OS
11 1 (0.54%) Unix
11 1 (0.54%) Windows 2000
Processes & Methodologies
1 37 (19.89%) Migration
2 25 (13.44%) ITIL
3 22 (11.83%) Project Management
4 16 (8.60%) Network Management
5 15 (8.06%) Disaster Recovery
6 14 (7.53%) PRINCE2
7 12 (6.45%) Validation
8 8 (4.30%) Agile Software Development
8 8 (4.30%) Stakeholder Management
9 7 (3.76%) Kalman Filter
9 7 (3.76%) Open Source
10 6 (3.23%) Asset Management
10 6 (3.23%) Business Continuity
10 6 (3.23%) Problem Management
11 5 (2.69%) Capacity Management
11 5 (2.69%) Change Management
11 5 (2.69%) Load Balancing
11 5 (2.69%) Network Design
12 4 (2.15%) Capacity Planning
12 4 (2.15%) Network Monitoring
Programming Languages
1 20 (10.75%) SQL
2 7 (3.76%) PowerShell
3 6 (3.23%) Bash Shell
3 6 (3.23%) Perl
3 6 (3.23%) Python
4 4 (2.15%) C#
4 4 (2.15%) JavaScript
5 3 (1.61%) C
5 3 (1.61%) PL/SQL
5 3 (1.61%) Ruby
6 1 (0.54%) PHP
Qualifications
1 56 (30.11%) Cisco Certification
2 33 (17.74%) CCNP
3 32 (17.20%) CCNA
4 17 (9.14%) CCIE
5 15 (8.06%) Microsoft Certification
6 14 (7.53%) MCSE
7 7 (3.76%) CCDP
7 7 (3.76%) Security Cleared
8 6 (3.23%) CCNP Voice
9 5 (2.69%) CCVP
9 5 (2.69%) PRINCE2 Certification
9 5 (2.69%) SC Cleared
10 4 (2.15%) Degree
10 4 (2.15%) MCITP
10 4 (2.15%) PMP
10 4 (2.15%) PRINCE2 Practitioner
11 3 (1.61%) ITIL Foundation Certificate
11 3 (1.61%) MCSA
11 3 (1.61%) MCSD
11 3 (1.61%) PMI Certification
Quality Assurance & Compliance
1 8 (4.30%) SLA
2 4 (2.15%) ISO/IEC 27001
3 1 (0.54%) Disclosure Scotland
3 1 (0.54%) PMO
System Software
1 49 (26.34%) Active Directory
2 15 (8.06%) VMware Infrastructure
3 9 (4.84%) XenApp
4 8 (4.30%) Hyper-V
5 7 (3.76%) VMware ESXi
6 5 (2.69%) vSphere
7 4 (2.15%) Virtual Servers
8 3 (1.61%) Docker
8 3 (1.61%) Microsoft Virtual Server
8 3 (1.61%) NFS
8 3 (1.61%) Virtual Machines
9 2 (1.08%) Citrix Presentation Server
9 2 (1.08%) Firmware
9 2 (1.08%) Terminal Services
10 1 (0.54%) KVM
10 1 (0.54%) VMware Server
10 1 (0.54%) VMware Workstation
10 1 (0.54%) XenDesktop
Systems Management
1 23 (12.37%) Cisco CUCM
2 17 (9.14%) SCCM
3 11 (5.91%) Cisco Prime
3 11 (5.91%) Cisco UCCX
4 7 (3.76%) AirWatch
5 5 (2.69%) Microsoft Data Protection Manager
6 4 (2.15%) Cisco UCCE
7 3 (1.61%) Cacti
7 3 (1.61%) Failover Clustering
7 3 (1.61%) Nagios
7 3 (1.61%) NetBackup
7 3 (1.61%) Norton AntiVirus
7 3 (1.61%) SCOM
7 3 (1.61%) vCenter Server
8 2 (1.08%) BMC PATROL
8 2 (1.08%) McAfee ePO
8 2 (1.08%) Microsoft Clustering
8 2 (1.08%) Systems Management Server (SMS)
9 1 (0.54%) CA Spectrum
9 1 (0.54%) Opscode Chef
Vendors
1 108 (58.06%) Cisco
2 54 (29.03%) Microsoft
3 32 (17.20%) Citrix
3 32 (17.20%) VMware
4 21 (11.29%) Avaya
5 18 (9.68%) CheckPoint
6 17 (9.14%) HP
7 14 (7.53%) SolarWinds
8 9 (4.84%) F5
8 9 (4.84%) Palo Alto
8 9 (4.84%) Verint
9 8 (4.30%) Google
9 8 (4.30%) Juniper
9 8 (4.30%) NetApp
10 7 (3.76%) LANDesk
10 7 (3.76%) Mitel
11 6 (3.23%) Oracle
12 5 (2.69%) Fortinet
12 5 (2.69%) MobileIron
12 5 (2.69%) Sophos
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