The following table provides summary statistics for contract job vacancies 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 27 May 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)
UK
3 months to
27 May 2017
Same period 2016 Same period 2015
Rank 355 326 286
Rank change year-on-year -29 -40  
Contract jobs citing VoIP 260 378 420
As % of all contract IT jobs advertised in the UK 0.57% 0.69% 0.77%
As % of the Communications & Networking category 4.24% 4.39% 5.22%
Number of daily rates quoted 153 202 237
Median daily rate £378 £375 £310
Median daily rate % change year-on-year +0.66% +20.96%  
90% offered a daily rate of more than £155 £180 £155
10% offered a daily rate of more than £515 £500 £500
UK excluding London median daily rate £388 £375 £300
% change year-on-year +3.33% +25.00%  
Number of hourly rates quoted 22 25 36
Median hourly rate £24.18 £25.00 £20.50
Median hourly rate % change year-on-year -3.28% +21.95%  
90% offered a hourly rate of more than £12.75 £14.90 £15.00
10% offered a hourly rate of more than £64.77 £45.00 £40.75
UK excluding London median hourly rate £22.85 £25.00 £20.50
% change year-on-year -8.60% +21.95%  

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 with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
UK
Contract job vacancies with a requirement for communications and computer networking skills 6129 8619 8052
As % of all contract IT job vacancies advertised in the UK 13.46% 15.80% 14.79%
Number of daily rates quoted 3651 5221 4486
Median daily rate £400 £390 £350
Median daily rate % change year-on-year +2.56% +11.42%  
90% offered a daily rate of more than £223 £245 £200
10% offered a daily rate of more than £550 £530 £500
UK excluding London median daily rate £388 £370 £340
% change year-on-year +4.86% +8.82%  
Number of hourly rates quoted 366 387 469
Median hourly rate £27.38 £27.50 £25.00
Median hourly rate % change year-on-year -0.43% +10.00%  
90% offered a hourly rate of more than £12.50 £12.50 £13.00
10% offered a hourly rate of more than £50.00 £47.83 £43.00
UK excluding London median hourly rate £26.00 £29.00 £26.00
% change year-on-year -10.34% +11.53%  

VoIP
Job Vacancy Trend

The job posting trend of jobs advertised 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 the UK

VoIP
Contractor Daily Rate Trend

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

Contractor daily rate trend for VoIP in the UK

VoIP
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing VoIP over the 3 months to 27 May 2017.

Contractor daily rate histogram for VoIP in the UK

VoIP
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for VoIP in the UK

VoIP
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing VoIP over the 3 months to 27 May 2017.

Contractor hourly rate histogram for VoIP in the UK

VoIP
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing VoIP within the UK over the 3 months to 27 May 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
England -20 236 £388 +3.33% 126
London -12 87 £375 -6.25% 39
South East +10 52 £395 +7.11% 19
City of London +6 23 £381 -1.61% 9
West Midlands +22 22 £413 +7.14% 12
East of England +8 19 £225 -25.00% 17
North West +15 17 £349 -26.52% 17
South West -25 17 £300 -20.00% 5
Scotland +57 16 £151 -57.00% 4
Hampshire +11 16 £388 +3.33% 7
Manchester +12 14 £349 -56.37% 12
Yorkshire +9 14 £394 +21.15% 9
Berkshire +10 12 £588 +23.68% 3
Coventry +16 8 £413 -8.33% 5
Surrey +6 8 £400 +3.89% 5
Oxfordshire 0 7 £300 +9.09% 2
Essex -3 7 £294 - 3
West Sussex +26 6 £395 +17.03%
Cambridgeshire +11 6 £225 -14.12% 5
Gloucestershire +6 6 £200 -11.11%
Southampton +6 6 £388 +5.44%
Portsmouth +2 6 £400 - 1
Cambridge - 6 £225 - 3
Crawley +10 5 £395 +17.03%
Warwickshire +6 5 - -
North Yorkshire +5 5 £419 +67.50% 2
Oxford +4 5 £150 - 1
South Yorkshire 0 5 £165 -25.42% 1
East Midlands -4 5 £413 +37.27% 8
Aberdeen - 5 £151 -

For the 6 months to 27 May 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 with a requirement for VoIP.

1 345 (56.56%) Cisco
2 203 (33.28%) WAN
3 188 (30.82%) Cisco Certification
4 186 (30.49%) Firewall
5 176 (28.85%) LAN
6 174 (28.52%) Windows
7 133 (21.80%) Microsoft
8 130 (21.31%) Active Directory
9 118 (19.34%) CCNP
10 115 (18.85%) CCNA
11 104 (17.05%) Telecoms
12 94 (15.41%) TCP/IP
12 94 (15.41%) VPN
13 93 (15.25%) Security Cleared
14 92 (15.08%) Wireless
15 91 (14.92%) VMware
16 90 (14.75%) ITIL
17 77 (12.62%) Linux
17 77 (12.62%) DNS
18 75 (12.30%) Migration
18 75 (12.30%) SC Cleared
19 73 (11.97%) Windows 7
20 70 (11.48%) Unified Communications
21 69 (11.31%) Windows Server
21 69 (11.31%) CheckPoint
22 68 (11.15%) Data Centre
23 67 (10.98%) MPLS
24 64 (10.49%) MS Exchange
25 63 (10.33%) VMware Infrastructure
26 62 (10.16%) Windows Server 2008

VoIP
Co-occurring IT Skills 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 64 (10.49%) MS Exchange
2 53 (8.69%) Skype for Business
3 52 (8.52%) Exchange Server 2010
4 21 (3.44%) SharePoint
5 18 (2.95%) Exchange Server 2013
6 12 (1.97%) Exchange Server 2007
7 10 (1.64%) IIS
8 9 (1.48%) Blackberry Enterprise Server
8 9 (1.48%) Confluence
9 8 (1.31%) Apache Qpid
10 5 (0.82%) Apache
10 5 (0.82%) OpenStack
11 3 (0.49%) IBM Notes
11 3 (0.49%) Office Communications Server
11 3 (0.49%) Tomcat
12 2 (0.33%) Jetty
12 2 (0.33%) Mongrel
12 2 (0.33%) nginx
12 2 (0.33%) WebSphere
13 1 (0.16%) Oracle Collaboration Suite
Applications
1 61 (10.00%) Microsoft Office
2 27 (4.43%) Microsoft Excel
3 11 (1.80%) Microsoft PowerPoint
4 9 (1.48%) MS Visio
5 3 (0.49%) InfoPath
6 2 (0.33%) Microsoft Project
6 2 (0.33%) Photoshop
7 1 (0.16%) Adobe Creative Suite
7 1 (0.16%) AutoCAD
7 1 (0.16%) Shockwave
7 1 (0.16%) Spreadsheet
Business Applications
1 6 (0.98%) Dynamics CRM
2 5 (0.82%) Oracle Applications
3 4 (0.66%) Cisco SocialMiner
3 4 (0.66%) Remedy ITSM
4 2 (0.33%) Dynamics GP
4 2 (0.33%) Teamcenter
5 1 (0.16%) SAP Oil and Gas
5 1 (0.16%) SystmOne
Cloud Services
1 47 (7.70%) Office 365
2 29 (4.75%) Microsoft Azure
3 15 (2.46%) Amazon AWS
4 11 (1.80%) SaaS
5 10 (1.64%) IaaS
6 7 (1.15%) Azure Active Directory
7 5 (0.82%) Mimecast
8 3 (0.49%) Yammer
9 2 (0.33%) Amazon EC2
9 2 (0.33%) Google App Engine
9 2 (0.33%) Google Cloud Platform
10 1 (0.16%) Cloud Computing
10 1 (0.16%) G Suite
10 1 (0.16%) PaaS
Communications & Networking
1 203 (33.28%) WAN
2 186 (30.49%) Firewall
3 176 (28.85%) LAN
4 94 (15.41%) TCP/IP
4 94 (15.41%) VPN
5 92 (15.08%) Wireless
6 77 (12.62%) DNS
7 70 (11.48%) Unified Communications
8 67 (10.98%) MPLS
9 59 (9.67%) DHCP
10 58 (9.51%) Cisco ASA
11 57 (9.34%) Network Security
12 52 (8.52%) OSPF
13 48 (7.87%) BGP
14 45 (7.38%) VLAN
15 41 (6.72%) PBX
15 41 (6.72%) Skype
16 38 (6.23%) Ethernet
17 37 (6.07%) Cisco Nexus
18 36 (5.90%) IP Telephony
Database & Business Intelligence
1 33 (5.41%) SQL Server
2 9 (1.48%) Redis
3 7 (1.15%) SQL Server 2008
4 6 (0.98%) SQL Server 2012
5 5 (0.82%) Data Warehouse
5 5 (0.82%) dBASE
5 5 (0.82%) Oracle BI EE
5 5 (0.82%) Oracle ODI
6 3 (0.49%) MySQL
6 3 (0.49%) SQL Server 2005
7 2 (0.33%) Data Mining
8 1 (0.16%) Oracle Database
8 1 (0.16%) Oracle Exadata
Development Applications
1 22 (3.61%) GCC
2 16 (2.62%) GDB
2 16 (2.62%) Subversion
2 16 (2.62%) Trac
3 14 (2.30%) Git (software)
4 12 (1.97%) JIRA
5 10 (1.64%) Jenkins
6 8 (1.31%) Bitbucket
6 8 (1.31%) CMake
6 8 (1.31%) GoogleTest
7 6 (0.98%) Eclipse
7 6 (0.98%) Valgrind
7 6 (0.98%) VSS/SourceSafe
8 3 (0.49%) CruiseControl
8 3 (0.49%) Team Foundation Server
8 3 (0.49%) TeamCity
8 3 (0.49%) Visual Studio Team System
8 3 (0.49%) VTune
9 2 (0.33%) Rational DOORS
9 2 (0.33%) Travis CI
General
1 104 (17.05%) Telecoms
2 61 (10.00%) Finance
3 22 (3.61%) Banking
4 10 (1.64%) Legal
5 9 (1.48%) Retail
6 8 (1.31%) Law
7 7 (1.15%) Back Office
7 7 (1.15%) Front Office
8 6 (0.98%) Manufacturing
9 5 (0.82%) Advertising
9 5 (0.82%) Marketing
10 4 (0.66%) Financial Institution
10 4 (0.66%) French Language
11 3 (0.49%) Automotive
11 3 (0.49%) Local Government
12 2 (0.33%) Billing
12 2 (0.33%) Electronics
12 2 (0.33%) Publishing
13 1 (0.16%) Aerospace
13 1 (0.16%) Pharmaceutical
Job Titles
1 134 (21.97%) Network Engineer
2 67 (10.98%) Analyst
3 52 (8.52%) Project Manager
4 47 (7.70%) Cisco Engineer
5 40 (6.56%) Architect
5 40 (6.56%) Support Engineer
6 29 (4.75%) Cisco Network Engineer
7 28 (4.59%) Support Analyst
8 26 (4.26%) Consultant
9 25 (4.10%) 2nd Line Support
10 24 (3.93%) Desktop Support
10 24 (3.93%) Voice Engineer
11 22 (3.61%) IT Support
11 22 (3.61%) Software Engineer
12 20 (3.28%) VoIP Engineer
13 19 (3.11%) Infrastructure Engineer
13 19 (3.11%) Infrastructure Manager
13 19 (3.11%) Network Analyst
14 18 (2.95%) Security Engineer
15 17 (2.79%) Developer
Libraries, Frameworks & Software Standards
1 19 (3.11%) XML
2 18 (2.95%) STL
3 17 (2.79%) XMPP
4 16 (2.62%) Boost C++ Libraries
4 16 (2.62%) Elastic Stack
5 12 (1.97%) CSS
5 12 (1.97%) Web Services
6 11 (1.80%) 802.1X
7 9 (1.48%) HTML
7 9 (1.48%) RESTful
8 8 (1.31%) .NET
9 6 (0.98%) WAP
10 4 (0.66%) Android SDK
10 4 (0.66%) iOS SDK
11 3 (0.49%) ASP.NET
11 3 (0.49%) Middleware
11 3 (0.49%) WCF
11 3 (0.49%) WF
12 2 (0.33%) Servlets
12 2 (0.33%) SOAP
Miscellaneous
1 68 (11.15%) Data Centre
2 62 (10.16%) Analytical Skills
3 41 (6.72%) IVR
4 39 (6.39%) Video Conferencing
5 20 (3.28%) Handset
6 17 (2.79%) Management Information System
7 14 (2.30%) Driving Licence
8 13 (2.13%) iPad
9 12 (1.97%) Blackberry
10 10 (1.64%) Clustering
10 10 (1.64%) Computer Science
10 10 (1.64%) iPhone
10 10 (1.64%) Smartphone
11 9 (1.48%) Replication
12 8 (1.31%) CCTV
12 8 (1.31%) RSA SecurID
13 7 (1.15%) Linux Command Line
14 6 (0.98%) BBC
14 6 (0.98%) Cyber Attack
14 6 (0.98%) Private Cloud
Operating Systems
1 174 (28.52%) Windows
2 77 (12.62%) Linux
3 73 (11.97%) Windows 7
4 69 (11.31%) Windows Server
5 62 (10.16%) Windows Server 2008
6 37 (6.07%) Windows Server 2012
7 29 (4.75%) Unix
7 29 (4.75%) Windows 10
8 18 (2.95%) Windows Server 2003
9 14 (2.30%) Android
10 13 (2.13%) Apple iOS
11 10 (1.64%) Windows XP
12 9 (1.48%) Mac OS X
13 7 (1.15%) Mac OS
14 6 (0.98%) Windows 8
15 5 (0.82%) Red Hat Enterprise Linux
16 2 (0.33%) CentOS
16 2 (0.33%) Solaris
17 1 (0.16%) Mac OS X Server
17 1 (0.16%) Windows 2000
Processes & Methodologies
1 90 (14.75%) ITIL
2 75 (12.30%) Migration
3 54 (8.85%) Project Management
4 44 (7.21%) Network Design
5 36 (5.90%) PRINCE2
6 30 (4.92%) Network Management
7 29 (4.75%) Validation
8 28 (4.59%) Network Monitoring
9 23 (3.77%) Open Source
10 22 (3.61%) Load Balancing
10 22 (3.61%) Software Engineering
10 22 (3.61%) Stakeholder Management
11 20 (3.28%) Cybersecurity
11 20 (3.28%) Disaster Recovery
11 20 (3.28%) Patch Management
12 19 (3.11%) High Availability
13 17 (2.79%) Configuration Management
13 17 (2.79%) Information Security
13 17 (2.79%) OO
13 17 (2.79%) Vulnerability Assessment
Programming Languages
1 28 (4.59%) SQL
2 23 (3.77%) PowerShell
3 20 (3.28%) C++
4 16 (2.62%) VBScript
5 15 (2.46%) Python
6 14 (2.30%) C
7 12 (1.97%) JavaScript
8 10 (1.64%) Perl
9 9 (1.48%) C#
9 9 (1.48%) Ruby
10 8 (1.31%) Bash Shell
10 8 (1.31%) Java
11 6 (0.98%) PL/SQL
12 4 (0.66%) Objective-C
13 1 (0.16%) Tcl
Qualifications
1 188 (30.82%) Cisco Certification
2 118 (19.34%) CCNP
3 115 (18.85%) CCNA
4 93 (15.25%) Security Cleared
5 75 (12.30%) SC Cleared
6 47 (7.70%) CCIE
7 35 (5.74%) Microsoft Certification
8 26 (4.26%) CCDP
9 21 (3.44%) MCSE
10 19 (3.11%) CISSP
10 19 (3.11%) MCITP
10 19 (3.11%) MCSA
11 18 (2.95%) Degree
12 17 (2.79%) CCVP
12 17 (2.79%) DV Cleared
13 16 (2.62%) SANS
13 16 (2.62%) SSCP
14 13 (2.13%) CCNP Voice
15 12 (1.97%) PMI Certification
16 11 (1.80%) PMP
Quality Assurance & Compliance
1 33 (5.41%) SLA
2 8 (1.31%) ISO/IEC 27001
3 6 (0.98%) Disclosure Scotland
3 6 (0.98%) PCI DSS
4 3 (0.49%) PMO
4 3 (0.49%) QA
5 2 (0.33%) Data Quality
5 2 (0.33%) Def Stans
5 2 (0.33%) PMBOK
6 1 (0.16%) COBIT
6 1 (0.16%) Cyber Essentials
System Software
1 130 (21.31%) Active Directory
2 63 (10.33%) VMware Infrastructure
3 26 (4.26%) VMware ESXi
4 14 (2.30%) Hyper-V
5 13 (2.13%) XenApp
6 12 (1.97%) vSphere
7 8 (1.31%) Docker
8 5 (0.82%) pfSense
8 5 (0.82%) Snort
9 4 (0.66%) Microsoft Virtual Server
9 4 (0.66%) Virtual Machines
9 4 (0.66%) Virtual Servers
10 3 (0.49%) Citrix Presentation Server
10 3 (0.49%) Firmware
11 2 (0.33%) KVM
11 2 (0.33%) NFS
11 2 (0.33%) Terminal Services
11 2 (0.33%) Virtual Desktop
11 2 (0.33%) Xen
11 2 (0.33%) XenDesktop
Systems Management
1 62 (10.16%) Cisco CUCM
2 41 (6.72%) Cisco UCCX
3 37 (6.07%) SCCM
4 21 (3.44%) Cisco UCCE
5 16 (2.62%) QRadar
6 9 (1.48%) FortiGate
6 9 (1.48%) Kibana
6 9 (1.48%) logstash
7 7 (1.15%) AirWatch
7 7 (1.15%) Norton AntiVirus
8 6 (0.98%) Microsoft Data Protection Manager
8 6 (0.98%) SCOM
9 5 (0.82%) Cisco Prime
9 5 (0.82%) NetBackup
9 5 (0.82%) vCenter Server
10 4 (0.66%) Failover Clustering
10 4 (0.66%) Nagios
10 4 (0.66%) Netcool
10 4 (0.66%) Tivoli
10 4 (0.66%) WhatsUp Gold
Vendors
1 345 (56.56%) Cisco
2 133 (21.80%) Microsoft
3 91 (14.92%) VMware
4 69 (11.31%) CheckPoint
5 55 (9.02%) Avaya
6 50 (8.20%) F5
7 44 (7.21%) Juniper
8 41 (6.72%) Apple
8 41 (6.72%) Citrix
9 37 (6.07%) HP
10 30 (4.92%) NetApp
11 25 (4.10%) Palo Alto
12 20 (3.28%) Verint
13 19 (3.11%) Splunk
14 18 (2.95%) Google
14 18 (2.95%) IBM
14 18 (2.95%) Remedy
15 17 (2.79%) LogRhythm
15 17 (2.79%) SolarWinds
16 14 (2.30%) Fortinet
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