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 24 April 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
24 Apr 2017
Same period 2016 Same period 2015
Rank 333 320 282
Rank change year-on-year -13 -38  
Contract jobs citing VoIP 278 384 443
As % of all contract IT jobs advertised in the UK 0.60% 0.69% 0.78%
As % of the Communications & Networking category 4.36% 4.54% 5.28%
Number of daily rates quoted 160 230 252
Median daily rate £386 £375 £300
Median daily rate % change year-on-year +3.00% +25.00%  
90% offered a daily rate of more than £175 £183 £150
10% offered a daily rate of more than £550 £500 £475
UK excluding London median daily rate £395 £375 £285
% change year-on-year +5.33% +31.57%  
Number of hourly rates quoted 24 13 29
Median hourly rate £21.43 £40.00 £20.50
Median hourly rate % change year-on-year -46.43% +95.12%  
90% offered a hourly rate of more than £12.95 £24.40 £14.00
10% offered a hourly rate of more than £45.00 £45.00 £40.00
UK excluding London median hourly rate £18.75 £43.75 £20.50
% change year-on-year -57.14% +113.41%  

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 6370 8451 8390
As % of all contract IT job vacancies advertised in the UK 13.76% 15.12% 14.78%
Number of daily rates quoted 3852 5103 4591
Median daily rate £400 £386 £350
Median daily rate % change year-on-year +3.76% +10.14%  
90% offered a daily rate of more than £225 £240 £200
10% offered a daily rate of more than £550 £525 £500
UK excluding London median daily rate £384 £363 £340
% change year-on-year +5.86% +6.61%  
Number of hourly rates quoted 373 368 451
Median hourly rate £25.00 £29.00 £28.75
Median hourly rate % change year-on-year -13.79% +0.86%  
90% offered a hourly rate of more than £12.50 £12.65 £13.00
10% offered a hourly rate of more than £50.00 £47.83 £45.00
UK excluding London median hourly rate £23.95 £35.00 £30.00
% change year-on-year -31.57% +16.66%  

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 24 April 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 24 April 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 24 April 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 -5 256 £388 +3.33% 119
London -9 86 £350 -16.66% 39
South East -6 70 £395 +12.85% 20
North West +21 22 £450 +26.31% 17
Manchester +18 21 £450 -25.00% 12
Hampshire -15 19 £335 -5.63% 3
Yorkshire +41 18 £325 +26.82% 12
South West -19 18 £400 +6.66% 7
West Midlands +22 17 £413 -8.33% 6
Berkshire +16 17 £400 -8.57% 7
City of London +10 17 £237 -45.31% 6
East of England +6 16 £285 +18.75% 8
Salford - 15 £450 - 1
Wales +5 12 £375 -
Surrey +15 11 - - 4
South Yorkshire +15 11 £425 +92.09% 1
Reading +25 10 £400 +31.14% 5
Gloucestershire -2 9 £304 +129.24%
Camberley - 9 - - 1
South Wales +8 8 £395 +5.33%
Sheffield +14 7 £525 +191.66%
West Sussex +12 7 £395 +17.03%
Oxfordshire -8 7 £300 +9.09% 1
Crawley +11 6 £395 +17.03%
Hook +9 6 £315 -5.33%
Hertfordshire +7 6 £275 -8.33% 2
Southampton -11 6 £388 +9.15%
Bristol +2 5 £400 - 3
Oxford 0 5 £150 - 1
Buckinghamshire -3 5 £385 +129.85% 3

For the 6 months to 24 April 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.

1 370 (53.78%) Cisco
2 228 (33.14%) WAN
3 224 (32.56%) Firewall
4 201 (29.22%) LAN
5 200 (29.07%) Cisco Certification
6 196 (28.49%) Windows
7 138 (20.06%) Microsoft
8 133 (19.33%) CCNA
8 133 (19.33%) Telecoms
9 125 (18.17%) Active Directory
10 121 (17.59%) CCNP
10 121 (17.59%) TCP/IP
11 120 (17.44%) VPN
12 116 (16.86%) Security Cleared
13 106 (15.41%) Linux
14 103 (14.97%) VMware
15 101 (14.68%) ITIL
16 96 (13.95%) SC Cleared
17 90 (13.08%) DNS
18 89 (12.94%) Wireless
19 83 (12.06%) Data Centre
20 81 (11.77%) CheckPoint
21 78 (11.34%) MPLS
22 77 (11.19%) Migration
23 75 (10.90%) Unified Communications
24 73 (10.61%) Windows 7
24 73 (10.61%) Finance
25 72 (10.47%) Network Security
26 71 (10.32%) DHCP
27 69 (10.03%) Windows Server

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 57 (8.28%) MS Exchange
2 50 (7.27%) Skype for Business
3 47 (6.83%) Exchange Server 2010
4 23 (3.34%) SharePoint
5 16 (2.33%) Exchange Server 2013
6 14 (2.03%) Confluence
7 13 (1.89%) Apache Qpid
8 11 (1.60%) IIS
9 10 (1.45%) Blackberry Enterprise Server
10 8 (1.16%) Exchange Server 2007
11 7 (1.02%) Apache
12 5 (0.73%) Tomcat
13 3 (0.44%) IBM Notes
13 3 (0.44%) Office Communications Server
13 3 (0.44%) WebLogic
14 2 (0.29%) JBoss
14 2 (0.29%) Jetty
14 2 (0.29%) nginx
14 2 (0.29%) Oracle Collaboration Suite
14 2 (0.29%) WebSphere
Applications
1 62 (9.01%) Microsoft Office
2 31 (4.51%) Microsoft Excel
3 14 (2.03%) Microsoft PowerPoint
4 12 (1.74%) MS Visio
5 3 (0.44%) InfoPath
6 2 (0.29%) Microsoft Project
6 2 (0.29%) Photoshop
7 1 (0.15%) Spreadsheet
Business Applications
1 9 (1.31%) Dynamics CRM
2 5 (0.73%) Oracle Applications
3 4 (0.58%) Remedy ITSM
4 2 (0.29%) Dynamics GP
4 2 (0.29%) Teamcenter
5 1 (0.15%) SAP Oil and Gas
5 1 (0.15%) SystmOne
Cloud Services
1 47 (6.83%) Office 365
2 33 (4.80%) Microsoft Azure
3 14 (2.03%) Amazon AWS
4 13 (1.89%) SaaS
5 11 (1.60%) IaaS
6 7 (1.02%) Azure Active Directory
7 6 (0.87%) Mimecast
8 5 (0.73%) PaaS
9 4 (0.58%) Cloud Computing
10 3 (0.44%) Google Drive
10 3 (0.44%) OneDrive
10 3 (0.44%) Yammer
11 2 (0.29%) Amazon EC2
11 2 (0.29%) G Suite
11 2 (0.29%) Google App Engine
11 2 (0.29%) Google Cloud Platform
Communications & Networking
1 228 (33.14%) WAN
2 224 (32.56%) Firewall
3 201 (29.22%) LAN
4 121 (17.59%) TCP/IP
5 120 (17.44%) VPN
6 90 (13.08%) DNS
7 89 (12.94%) Wireless
8 78 (11.34%) MPLS
9 75 (10.90%) Unified Communications
10 72 (10.47%) Network Security
11 71 (10.32%) DHCP
12 66 (9.59%) PBX
13 64 (9.30%) Cisco ASA
14 51 (7.41%) OSPF
15 43 (6.25%) IP Telephony
15 43 (6.25%) VLAN
15 43 (6.25%) Wi-Fi
16 41 (5.96%) BGP
16 41 (5.96%) Ethernet
17 39 (5.67%) Internet
Database & Business Intelligence
1 34 (4.94%) SQL Server
2 9 (1.31%) Redis
3 6 (0.87%) MySQL
3 6 (0.87%) SQL Server 2008
3 6 (0.87%) SQL Server 2012
4 5 (0.73%) Data Warehouse
4 5 (0.73%) dBASE
4 5 (0.73%) Oracle BI EE
4 5 (0.73%) Oracle ODI
5 3 (0.44%) SQL Server 2005
6 2 (0.29%) Oracle Database
6 2 (0.29%) Oracle Exadata
7 1 (0.15%) Big Data
Development Applications
1 31 (4.51%) GCC
2 24 (3.49%) Git (software)
3 21 (3.05%) GDB
3 21 (3.05%) Subversion
3 21 (3.05%) Trac
4 17 (2.47%) JIRA
5 15 (2.18%) Jenkins
6 14 (2.03%) Bitbucket
6 14 (2.03%) CMake
7 13 (1.89%) GoogleTest
8 11 (1.60%) Valgrind
9 10 (1.45%) Eclipse
10 6 (0.87%) VSS/SourceSafe
11 3 (0.44%) CruiseControl
11 3 (0.44%) Team Foundation Server
11 3 (0.44%) TeamCity
11 3 (0.44%) Visual Studio Team System
11 3 (0.44%) VTune
12 2 (0.29%) Rational DOORS
12 2 (0.29%) Xcode
General
1 133 (19.33%) Telecoms
2 73 (10.61%) Finance
3 22 (3.20%) Banking
4 13 (1.89%) Legal
4 13 (1.89%) Retail
5 9 (1.31%) Law
5 9 (1.31%) Manufacturing
6 7 (1.02%) Back Office
6 7 (1.02%) Front Office
7 6 (0.87%) Advertising
8 5 (0.73%) Automotive
8 5 (0.73%) Local Government
9 3 (0.44%) Financial Institution
9 3 (0.44%) Marketing
10 2 (0.29%) Aerospace
10 2 (0.29%) Billing
10 2 (0.29%) Electronics
10 2 (0.29%) Investment Banking
10 2 (0.29%) Military
10 2 (0.29%) Publishing
Job Titles
1 159 (23.11%) Network Engineer
2 86 (12.50%) Analyst
3 63 (9.16%) Cisco Engineer
4 47 (6.83%) Project Manager
5 41 (5.96%) Support Engineer
6 38 (5.52%) Cisco Network Engineer
7 37 (5.38%) Voice Engineer
8 35 (5.09%) Architect
9 33 (4.80%) VoIP Engineer
10 32 (4.65%) Support Analyst
11 31 (4.51%) Software Engineer
12 26 (3.78%) Network Analyst
13 24 (3.49%) Developer
14 23 (3.34%) 2nd Line Support
15 22 (3.20%) IT Support
16 21 (3.05%) C++ Software Engineer
16 21 (3.05%) Infrastructure Engineer
17 19 (2.76%) Consultant
17 19 (2.76%) Desktop Support
18 17 (2.47%) Security Engineer
Libraries, Frameworks & Software Standards
1 28 (4.07%) STL
2 23 (3.34%) Elastic Stack
3 21 (3.05%) Boost C++ Libraries
4 19 (2.76%) XML
5 15 (2.18%) CSS
6 12 (1.74%) Web Services
7 11 (1.60%) 802.1X
7 11 (1.60%) XMPP
8 9 (1.31%) HTML
8 9 (1.31%) RESTful
9 8 (1.16%) .NET
10 6 (0.87%) WAP
11 4 (0.58%) Android SDK
11 4 (0.58%) iOS SDK
11 4 (0.58%) Middleware
12 3 (0.44%) ASP.NET
12 3 (0.44%) J2EE
12 3 (0.44%) WCF
12 3 (0.44%) WF
13 2 (0.29%) Servlets
Miscellaneous
1 83 (12.06%) Data Centre
2 58 (8.43%) Analytical Skills
3 40 (5.81%) IVR
3 40 (5.81%) Video Conferencing
4 22 (3.20%) Handset
5 19 (2.76%) Blackberry
6 18 (2.62%) Smartphone
7 17 (2.47%) Driving Licence
8 16 (2.33%) iPad
9 15 (2.18%) Management Information System
10 13 (1.89%) Cyber Attack
11 12 (1.74%) Clustering
11 12 (1.74%) Embedded Systems
11 12 (1.74%) iPhone
12 11 (1.60%) Replication
13 8 (1.16%) Computer Science
14 7 (1.02%) Algorithms
14 7 (1.02%) CCTV
14 7 (1.02%) Linux Command Line
14 7 (1.02%) Security Operations Centre
Operating Systems
1 196 (28.49%) Windows
2 106 (15.41%) Linux
3 73 (10.61%) Windows 7
4 69 (10.03%) Windows Server
5 66 (9.59%) Windows Server 2008
6 61 (8.87%) Unix
7 40 (5.81%) Windows Server 2012
8 24 (3.49%) Windows 10
9 18 (2.62%) Android
10 17 (2.47%) Windows XP
11 16 (2.33%) Windows Server 2003
12 14 (2.03%) Apple iOS
13 11 (1.60%) Mac OS X
14 8 (1.16%) CentOS
15 7 (1.02%) Mac OS
16 6 (0.87%) Windows 8
17 4 (0.58%) Solaris
18 3 (0.44%) Windows 2000
19 1 (0.15%) Windows 2000 Server
19 1 (0.15%) Windows NT
Processes & Methodologies
1 101 (14.68%) ITIL
2 77 (11.19%) Migration
3 59 (8.58%) Project Management
4 51 (7.41%) Network Design
5 39 (5.67%) Patch Management
6 33 (4.80%) Network Monitoring
6 33 (4.80%) PRINCE2
7 32 (4.65%) Validation
8 31 (4.51%) Agile Software Development
8 31 (4.51%) Software Engineering
8 31 (4.51%) Vulnerability Assessment
9 29 (4.22%) Vulnerability Management
10 24 (3.49%) Disaster Recovery
10 24 (3.49%) High Availability
11 23 (3.34%) Load Balancing
11 23 (3.34%) Stakeholder Management
12 22 (3.20%) Network Management
12 22 (3.20%) OO
13 21 (3.05%) Cybersecurity
13 21 (3.05%) Mentoring
Programming Languages
1 31 (4.51%) C++
2 29 (4.22%) SQL
3 24 (3.49%) PowerShell
4 21 (3.05%) Python
5 16 (2.33%) Perl
5 16 (2.33%) VBScript
6 15 (2.18%) C
6 15 (2.18%) Ruby
7 14 (2.03%) Bash Shell
8 12 (1.74%) JavaScript
9 9 (1.31%) C#
10 8 (1.16%) Java
11 6 (0.87%) PL/SQL
12 4 (0.58%) Objective-C
13 1 (0.15%) Tcl
Qualifications
1 200 (29.07%) Cisco Certification
2 133 (19.33%) CCNA
3 121 (17.59%) CCNP
4 116 (16.86%) Security Cleared
5 96 (13.95%) SC Cleared
6 52 (7.56%) CCIE
7 35 (5.09%) Microsoft Certification
8 31 (4.51%) CISSP
9 30 (4.36%) CCDP
10 29 (4.22%) SANS
11 28 (4.07%) SSCP
12 23 (3.34%) MCSA
13 21 (3.05%) Degree
13 21 (3.05%) DV Cleared
14 19 (2.76%) CCVP
14 19 (2.76%) MCITP
15 18 (2.62%) MCSE
16 10 (1.45%) JNCIP
17 8 (1.16%) CCDA
17 8 (1.16%) JNCIA
Quality Assurance & Compliance
1 33 (4.80%) SLA
2 7 (1.02%) ISO/IEC 27001
3 6 (0.87%) PCI DSS
4 4 (0.58%) Disclosure Scotland
5 3 (0.44%) PMO
6 2 (0.29%) Def Stans
6 2 (0.29%) PMBOK
6 2 (0.29%) QA
7 1 (0.15%) Cyber Essentials
System Software
1 125 (18.17%) Active Directory
2 65 (9.45%) VMware Infrastructure
3 19 (2.76%) VMware ESX
4 13 (1.89%) Docker
4 13 (1.89%) Hyper-V
4 13 (1.89%) vSphere
5 12 (1.74%) VMware ESXi
6 8 (1.16%) XenApp
7 5 (0.73%) pfSense
7 5 (0.73%) Snort
8 4 (0.58%) Firmware
8 4 (0.58%) Virtual Machines
9 3 (0.44%) Citrix Presentation Server
9 3 (0.44%) KVM
10 2 (0.29%) Terminal Services
10 2 (0.29%) Virtual Servers
10 2 (0.29%) Xen
11 1 (0.15%) Microsoft Virtual Server
11 1 (0.15%) Virtual Desktop
11 1 (0.15%) VMware Server
Systems Management
1 63 (9.16%) Cisco CUCM
2 34 (4.94%) Cisco UCCX
2 34 (4.94%) SCCM
3 25 (3.63%) Cisco UCCE
4 24 (3.49%) QRadar
5 9 (1.31%) FortiGate
5 9 (1.31%) Kibana
5 9 (1.31%) logstash
5 9 (1.31%) SCOM
6 8 (1.16%) AirWatch
6 8 (1.16%) Norton AntiVirus
6 8 (1.16%) Puppet
7 7 (1.02%) Ansible
7 7 (1.02%) Microsoft Intune
7 7 (1.02%) Nessus
7 7 (1.02%) Nexpose
7 7 (1.02%) Nmap
8 6 (0.87%) CA Spectrum
8 6 (0.87%) Microsoft Data Protection Manager
9 5 (0.73%) NetBackup
Vendors
1 370 (53.78%) Cisco
2 138 (20.06%) Microsoft
3 103 (14.97%) VMware
4 81 (11.77%) CheckPoint
5 59 (8.58%) F5
6 58 (8.43%) Avaya
7 53 (7.70%) Apple
8 51 (7.41%) Citrix
9 42 (6.10%) Juniper
10 36 (5.23%) HP
11 28 (4.07%) Google
11 28 (4.07%) NetApp
12 27 (3.92%) Splunk
13 20 (2.91%) Remedy
14 19 (2.76%) Oracle
14 19 (2.76%) Verint
15 18 (2.62%) IBM
16 17 (2.47%) LogRhythm
17 15 (2.18%) SolarWinds
18 14 (2.03%) Fortinet
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