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 25 March 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.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Voice Over IP (VoIP)
England / London
Rank 299 322 289
Rank change year-on-year +23 -33  
Contract jobs citing VoIP 107 118 131
As % of all contract IT jobs advertised in London 0.55% 0.53% 0.62%
As % of the Communications & Networking category 4.39% 4.18% 4.60%
Number of daily rates quoted 76 66 92
Median daily rate £375 £420 £345
Median daily rate % change year-on-year -10.71% +21.73%  
90% offered a daily rate of more than £198 £268 £181
10% offered a daily rate of more than £556 £525 £475
UK excluding London median daily rate £388 £350 £286
% change year-on-year +10.71% +22.27%  
Number of hourly rates quoted 5 2 9
Median hourly rate £25.00 £32.25 £16.00
Median hourly rate % change year-on-year -22.48% +101.56%  
90% offered a hourly rate of more than £16.00 £32.05 £13.70
10% offered a hourly rate of more than £85.00 £32.45 £20.40
UK excluding London median hourly rate £17.50 £40.00 £15.50
% change year-on-year -56.25% +158.06%  

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 2440 2822 2847
As % of all contract IT job vacancies advertised in London 12.53% 12.75% 13.53%
Number of daily rates quoted 1625 1910 1826
Median daily rate £445 £425 £390
Median daily rate % change year-on-year +4.70% +8.97%  
90% offered a daily rate of more than £288 £250 £238
10% offered a daily rate of more than £575 £551 £550
UK excluding London median daily rate £375 £363 £347
% change year-on-year +3.44% +4.32%  
Number of hourly rates quoted 65 58 83
Median hourly rate £42.25 £21.92 £20.00
Median hourly rate % change year-on-year +92.74% +9.60%  
90% offered a hourly rate of more than £17.38 £12.83 £13.46
10% offered a hourly rate of more than £50.00 £43.00 £50.00
UK excluding London median hourly rate £22.50 £37.00 £29.17
% change year-on-year -39.18% +26.84%  

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 25 March 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 hourly rates quoted in IT contractor 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 3 months to 25 March 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 3 months to 25 March 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 +9 14 £237 -46.40% 9
Chiswick - 2 £185 -
Croydon +8 1 £413 +37.50% 1
Westminster +5 1 - -
Harrow +2 1 £438 +4.16%
New Malden - 1 £143 -
Hillingdon - 1 £315 -
VoIP
England

VoIP
Top 30 Related IT Skills in London

For the 6 months to 25 March 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.

1 109 (49.55%) Cisco
2 83 (37.73%) Windows
3 70 (31.82%) WAN
4 63 (28.64%) Firewall
5 60 (27.27%) Active Directory
6 58 (26.36%) Microsoft
7 57 (25.91%) LAN
8 48 (21.82%) Citrix
8 48 (21.82%) VMware
9 46 (20.91%) Finance
9 46 (20.91%) Cisco Certification
9 46 (20.91%) TCP/IP
10 40 (18.18%) Telecoms
11 37 (16.82%) Wireless
12 36 (16.36%) CCNP
13 34 (15.45%) MS Office
14 33 (15.00%) DNS
15 32 (14.55%) CCNA
16 30 (13.64%) Windows 7
17 29 (13.18%) VPN
18 27 (12.27%) MS Excel
18 27 (12.27%) Office 365
18 27 (12.27%) Windows Server
19 26 (11.82%) ITIL
19 26 (11.82%) Avaya
20 25 (11.36%) DHCP
20 25 (11.36%) Migration
21 24 (10.91%) Project Management
22 23 (10.45%) MS Exchange
22 23 (10.45%) CheckPoint

VoIP
Top Related 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 23 (10.45%) MS Exchange
2 18 (8.18%) Skype for Business
3 17 (7.73%) Exchange Server 2010
4 14 (6.36%) SharePoint
5 11 (5.00%) Blackberry Enterprise Server
6 8 (3.64%) Exchange Server 2013
7 6 (2.73%) IIS
8 3 (1.36%) Apache Qpid
8 3 (1.36%) Confluence
8 3 (1.36%) Office Communications Server
9 2 (0.91%) JBoss
9 2 (0.91%) Tomcat
9 2 (0.91%) WebLogic
10 1 (0.45%) Apache
10 1 (0.45%) Elasticsearch
10 1 (0.45%) IBM Notes
Applications
1 34 (15.45%) MS Office
2 27 (12.27%) MS Excel
3 10 (4.55%) MS PowerPoint
4 7 (3.18%) MS Visio
5 1 (0.45%) MS Project
Business Applications
1 3 (1.36%) Dynamics CRM
2 2 (0.91%) Oracle Applications
3 1 (0.45%) SystmOne
Cloud Services
1 27 (12.27%) Office 365
2 16 (7.27%) Microsoft Azure
3 12 (5.45%) SaaS
4 10 (4.55%) IaaS
5 6 (2.73%) Amazon AWS
5 6 (2.73%) Mimecast
6 5 (2.27%) PaaS
7 3 (1.36%) Azure Active Directory
7 3 (1.36%) Google Drive
8 2 (0.91%) G Suite
Communications & Networking
1 70 (31.82%) WAN
2 63 (28.64%) Firewall
3 57 (25.91%) LAN
4 46 (20.91%) TCP/IP
5 37 (16.82%) Wireless
6 33 (15.00%) DNS
7 29 (13.18%) VPN
8 25 (11.36%) DHCP
9 21 (9.55%) MPLS
10 20 (9.09%) PBX
11 17 (7.73%) Cisco ASA
12 16 (7.27%) OSPF
13 15 (6.82%) SAN
14 14 (6.36%) BGP
14 14 (6.36%) Unified Communications
15 12 (5.45%) ISDN
15 12 (5.45%) VLAN
16 11 (5.00%) HSRP
16 11 (5.00%) IP Telephony
16 11 (5.00%) Wi-Fi
Database & Business Intelligence
1 17 (7.73%) SQL Server
2 6 (2.73%) SQL Server 2008
3 5 (2.27%) SQL Server 2012
4 3 (1.36%) Data Warehouse
4 3 (1.36%) dBASE
4 3 (1.36%) MySQL
4 3 (1.36%) Oracle BI EE
4 3 (1.36%) Oracle ODI
5 2 (0.91%) Oracle Database
5 2 (0.91%) Oracle Exadata
6 1 (0.45%) Big Data
Development Applications
1 3 (1.36%) Bitbucket
1 3 (1.36%) CMake
1 3 (1.36%) CruiseControl
1 3 (1.36%) Git (software)
1 3 (1.36%) GoogleTest
1 3 (1.36%) Jenkins
1 3 (1.36%) JIRA
1 3 (1.36%) Team Foundation Server
1 3 (1.36%) TeamCity
1 3 (1.36%) Valgrind
1 3 (1.36%) Visual Studio Team System
1 3 (1.36%) VTune
2 1 (0.45%) Appcelerator Titanium
2 1 (0.45%) Visual Studio
General
1 46 (20.91%) Finance
2 40 (18.18%) Telecoms
3 14 (6.36%) Banking
4 12 (5.45%) Legal
5 10 (4.55%) Law
6 6 (2.73%) Back Office
6 6 (2.73%) Front Office
7 3 (1.36%) Financial Institution
8 2 (0.91%) French Language
8 2 (0.91%) Investment Banking
8 2 (0.91%) Retail
9 1 (0.45%) Billing
9 1 (0.45%) Marketing
9 1 (0.45%) Pharmaceutical
Job Titles
1 40 (18.18%) Network Engineer
2 38 (17.27%) Analyst
3 22 (10.00%) Architect
4 20 (9.09%) Support Analyst
5 19 (8.64%) Infrastructure Engineer
6 17 (7.73%) Project Manager
6 17 (7.73%) Support Engineer
7 15 (6.82%) Voice Engineer
8 14 (6.36%) VoIP Engineer
9 11 (5.00%) 3rd Line Engineer
9 11 (5.00%) Network Support
10 10 (4.55%) Cisco Engineer
10 10 (4.55%) Infrastructure Manager
11 9 (4.09%) Network Infrastructure Engineer
12 8 (3.64%) 1st Line Support
12 8 (3.64%) Cisco Network Engineer
12 8 (3.64%) IT Support
13 7 (3.18%) Network Analyst
13 7 (3.18%) Server Engineer
13 7 (3.18%) Telephony Engineer
Libraries, Frameworks & Software Standards
1 8 (3.64%) XMPP
2 7 (3.18%) 802.1X
3 5 (2.27%) HTML
4 4 (1.82%) .NET
4 4 (1.82%) Middleware
5 3 (1.36%) ASP.NET
5 3 (1.36%) CSS
5 3 (1.36%) WAP
5 3 (1.36%) WCF
5 3 (1.36%) WF
6 2 (0.91%) Oracle Fusion
6 2 (0.91%) Web Services
6 2 (0.91%) WebRTC
7 1 (0.45%) Elastic Stack
7 1 (0.45%) OAuth2
7 1 (0.45%) React Native
7 1 (0.45%) RFC 2833
7 1 (0.45%) SAML
7 1 (0.45%) XML
7 1 (0.45%) XSLT
Miscellaneous
1 20 (9.09%) Video Conferencing
2 19 (8.64%) Data Centre
3 17 (7.73%) Blackberry
4 14 (6.36%) Analytical Skills
5 12 (5.45%) iPad
6 11 (5.00%) Handset
6 11 (5.00%) Smartphone
7 9 (4.09%) iPhone
7 9 (4.09%) IVR
8 7 (3.18%) Clustering
9 3 (1.36%) CCTV
9 3 (1.36%) Computer Science
9 3 (1.36%) Management Information System
9 3 (1.36%) Replication
9 3 (1.36%) RSA SecurID
9 3 (1.36%) User Experience
10 2 (0.91%) Distributed Denial-of-Service
10 2 (0.91%) Driving Licence
10 2 (0.91%) Fat Client
10 2 (0.91%) FMCG
Operating Systems
1 83 (37.73%) Windows
2 30 (13.64%) Windows 7
3 27 (12.27%) Windows Server
4 23 (10.45%) Windows Server 2008
5 19 (8.64%) Windows 10
6 18 (8.18%) Windows Server 2012
7 16 (7.27%) Android
8 14 (6.36%) Linux
9 10 (4.55%) Unix
10 9 (4.09%) Windows XP
11 7 (3.18%) Apple iOS
11 7 (3.18%) Mac OS X
12 5 (2.27%) Solaris
13 4 (1.82%) Windows Server 2003
14 2 (0.91%) Windows 2000
14 2 (0.91%) Windows 8
Processes & Methodologies
1 26 (11.82%) ITIL
2 25 (11.36%) Migration
3 24 (10.91%) Project Management
4 18 (8.18%) Validation
5 14 (6.36%) Disaster Recovery
6 12 (5.45%) Agile Software Development
6 12 (5.45%) Stakeholder Management
6 12 (5.45%) Statistics
7 11 (5.00%) Network Design
8 10 (4.55%) Network Management
8 10 (4.55%) PRINCE2
8 10 (4.55%) Problem Management
9 9 (4.09%) Asset Management
9 9 (4.09%) Configuration Management
10 8 (3.64%) Kalman Filter
11 7 (3.18%) Capacity Management
11 7 (3.18%) Continuous Improvement
11 7 (3.18%) Open Source
11 7 (3.18%) People Management
11 7 (3.18%) Time Management
Programming Languages
1 14 (6.36%) SQL
2 7 (3.18%) PowerShell
3 5 (2.27%) C#
3 5 (2.27%) JavaScript
4 3 (1.36%) Bash Shell
4 3 (1.36%) C
4 3 (1.36%) Perl
4 3 (1.36%) PL/SQL
4 3 (1.36%) Python
4 3 (1.36%) Ruby
5 1 (0.45%) C++
5 1 (0.45%) T-SQL
Qualifications
1 46 (20.91%) Cisco Certification
2 36 (16.36%) CCNP
3 32 (14.55%) CCNA
4 17 (7.73%) CCIE
5 12 (5.45%) CCDP
5 12 (5.45%) Security Cleared
6 10 (4.55%) SC Cleared
7 9 (4.09%) Microsoft Certification
8 8 (3.64%) CCVP
8 8 (3.64%) MCSE
9 6 (2.73%) CCSA
10 5 (2.27%) Degree
11 3 (1.36%) MCITP
11 3 (1.36%) MCSA
11 3 (1.36%) MCSD
11 3 (1.36%) PRINCE2 Practitioner
12 2 (0.91%) CISSP
12 2 (0.91%) ITIL Certification
12 2 (0.91%) MCDBA
12 2 (0.91%) MCDST
Quality Assurance & Compliance
1 17 (7.73%) SLA
2 4 (1.82%) ISO/IEC 27001
3 3 (1.36%) Disclosure Scotland
4 1 (0.45%) PCI DSS
4 1 (0.45%) PMO
System Software
1 60 (27.27%) Active Directory
2 16 (7.27%) VMware Infrastructure
3 8 (3.64%) Hyper-V
4 7 (3.18%) XenApp
5 6 (2.73%) vSphere
6 5 (2.27%) VMware ESX
6 5 (2.27%) VMware ESXi
7 3 (1.36%) Docker
7 3 (1.36%) Firmware
7 3 (1.36%) KVM
7 3 (1.36%) Terminal Services
7 3 (1.36%) Virtual Machines
8 2 (0.91%) Citrix Presentation Server
8 2 (0.91%) VMware Workstation
8 2 (0.91%) XenDesktop
9 1 (0.45%) BitLocker
9 1 (0.45%) ProxySG
9 1 (0.45%) Virtual Desktop
9 1 (0.45%) VMware Server
Systems Management
1 19 (8.64%) SCCM
2 15 (6.82%) Cisco CUCM
3 9 (4.09%) AirWatch
4 7 (3.18%) Cisco UCCX
5 6 (2.73%) Norton AntiVirus
6 5 (2.27%) Microsoft Data Protection Manager
7 4 (1.82%) Cisco UCCE
8 3 (1.36%) BladeLogic
8 3 (1.36%) Control-M
8 3 (1.36%) Failover Clustering
8 3 (1.36%) MIMEsweeper
8 3 (1.36%) NetBackup
8 3 (1.36%) Oracle Enterprise Manager
8 3 (1.36%) Oracle Identity Management
8 3 (1.36%) SCOM
9 2 (0.91%) Foglight
9 2 (0.91%) Microsoft Clustering
9 2 (0.91%) Pingdom
9 2 (0.91%) WhatsUp Gold
9 2 (0.91%) WSUS
Vendors
1 109 (49.55%) Cisco
2 58 (26.36%) Microsoft
3 48 (21.82%) Citrix
3 48 (21.82%) VMware
4 26 (11.82%) Avaya
5 23 (10.45%) CheckPoint
6 17 (7.73%) HP
7 15 (6.82%) Google
8 11 (5.00%) Juniper
9 9 (4.09%) Verint
10 8 (3.64%) Huawei
10 8 (3.64%) Palo Alto
11 7 (3.18%) Oracle
12 6 (2.73%) Apple
12 6 (2.73%) F5
12 6 (2.73%) NetApp
12 6 (2.73%) Sophos
12 6 (2.73%) Symantec
13 5 (2.27%) Aruba
13 5 (2.27%) Mitel
London
Opus Recruitment Solutions Ltd
Rate: £150 - £250 per day
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