The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for VoIP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited VoIP over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England / London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 286 253 269
Rank change year-on-year -33 +16  
Permanent jobs citing VoIP 393 492 521
As % of all permanent IT jobs advertised in London 1.08% 1.25% 1.16%
As % of the Communications & Networking category 6.78% 7.75% 7.18%
Number of salaries quoted 357 433 466
Median salary £50,000 £44,500 £45,000
Median salary % change year-on-year +12.35% -1.11%  
90% offered a salary of more than £31,800 £25,200 £27,500
10% offered a salary of more than £80,000 £70,000 £70,000
UK excluding London median salary £38,000 £37,500 £39,500
% change year-on-year +1.33% -5.06%  

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 permanent job vacancies advertised in London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
London
Permanent job vacancies with a requirement for communications and computer networking skills 5796 6352 7254
As % of all permanent IT job vacancies advertised in London 15.96% 16.09% 16.20%
Number of salaries quoted 4781 5485 6173
Median salary £55,000 £55,000 £50,000
Median salary % change year-on-year - +10.00%  
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £75,000 £75,000 £75,000
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

VoIP
Job Vacancy Trend in London

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

Job vacancy trend for VoIP in London

VoIP
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing VoIP in London.

Salary trend for VoIP in London

VoIP
Salary Histogram in London

The salary distribution of IT jobs citing VoIP in London over the 3 months to 25 June 2017.

Salary histogram for VoIP in London

VoIP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the London region over the 3 months to 25 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +23 84 £55,000 - 9
Croydon +10 13 £52,500 +90.90%
Kingston Upon Thames +12 4 £37,500 +25.00%
New Malden - 4 £45,000 - 1
Docklands, London -5 3 £32,500 -
Westminster -7 3 £50,000 +50.98%
Romford - 2 £32,500 - 1
Chiswick - 2 £34,250 -
Sidcup 0 1 £31,500 -29.21%
Hillingdon - 1 £45,000 -
Wimbledon - 1 £45,000 -
VoIP
England

For the 6 months to 25 June 2017, IT jobs citing VoIP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for VoIP.

1 411 (50.06%) Cisco
2 379 (46.16%) Windows
3 326 (39.71%) Firewall
4 275 (33.50%) Microsoft
5 247 (30.09%) Finance
6 240 (29.23%) VMware
7 236 (28.75%) Active Directory
8 216 (26.31%) Cisco Certification
9 199 (24.24%) WAN
10 189 (23.02%) LAN
11 187 (22.78%) Windows Server
12 186 (22.66%) CCNP
13 177 (21.56%) VPN
14 164 (19.98%) VMware Infrastructure
15 160 (19.49%) TCP/IP
16 155 (18.88%) ITIL
17 148 (18.03%) DNS
18 146 (17.78%) Wireless
19 142 (17.30%) Telecoms
20 133 (16.20%) Linux
21 121 (14.74%) Data Centre
22 117 (14.25%) MS Exchange
23 113 (13.76%) Microsoft Office
24 109 (13.28%) Office 365
25 107 (13.03%) Microsoft Azure
26 106 (12.91%) Citrix
27 105 (12.79%) Windows Server 2012
28 102 (12.42%) Windows Server 2008
29 100 (12.18%) Hyper-V
29 100 (12.18%) Windows 7

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
1 117 (14.25%) MS Exchange
2 66 (8.04%) Skype for Business
3 55 (6.70%) Exchange Server 2010
4 34 (4.14%) SharePoint
5 30 (3.65%) Exchange Server 2013
6 29 (3.53%) Blackberry Enterprise Server
7 27 (3.29%) Exchange Server 2007
8 19 (2.31%) IIS
9 13 (1.58%) Apache
10 12 (1.46%) OpenStack
11 11 (1.34%) Tomcat
11 11 (1.34%) WebLogic
12 7 (0.85%) WebSphere
13 5 (0.61%) Confluence
13 5 (0.61%) IBM Notes
14 4 (0.49%) CMS
14 4 (0.49%) JBoss
15 2 (0.24%) BizTalk Server
15 2 (0.24%) SAP Portal
15 2 (0.24%) SharePoint 2013
Applications
1 113 (13.76%) Microsoft Office
2 21 (2.56%) Microsoft Excel
3 17 (2.07%) Microsoft PowerPoint
4 11 (1.34%) Adobe Illustrator
4 11 (1.34%) Photoshop
5 8 (0.97%) Mozilla Thunderbird
6 7 (0.85%) Microsoft Project
7 6 (0.73%) InDesign
8 4 (0.49%) MS Visio
9 3 (0.37%) Adobe Creative Suite
Business Applications
1 4 (0.49%) Remedy ITSM
2 2 (0.24%) SAP CRM
2 2 (0.24%) SAP R/3
3 1 (0.12%) Dynamics AX
3 1 (0.12%) Dynamics CRM
3 1 (0.12%) Infor SunSystems
3 1 (0.12%) SAP BPC
3 1 (0.12%) SAP Oil and Gas
Cloud Services
1 109 (13.28%) Office 365
2 107 (13.03%) Microsoft Azure
3 80 (9.74%) Amazon AWS
4 36 (4.38%) SaaS
5 32 (3.90%) IaaS
6 23 (2.80%) Cloud Computing
7 10 (1.22%) Amazon ELB
7 10 (1.22%) Azure Active Directory
7 10 (1.22%) Mimecast
7 10 (1.22%) OneDrive
8 9 (1.10%) Google Cloud Platform
9 8 (0.97%) Amazon EC2
10 7 (0.85%) Amazon S3
10 7 (0.85%) OpenDNS
11 6 (0.73%) Adobe Creative Cloud
12 5 (0.61%) PaaS
13 4 (0.49%) G Suite
14 3 (0.37%) Akamai
14 3 (0.37%) Virtual Private Cloud
15 2 (0.24%) Amazon Kinesis
Communications & Networking
1 326 (39.71%) Firewall
2 199 (24.24%) WAN
3 189 (23.02%) LAN
4 177 (21.56%) VPN
5 160 (19.49%) TCP/IP
6 148 (18.03%) DNS
7 146 (17.78%) Wireless
8 98 (11.94%) SAN
9 95 (11.57%) VLAN
10 93 (11.33%) Internet
10 93 (11.33%) MPLS
11 90 (10.96%) DHCP
12 67 (8.16%) BGP
13 65 (7.92%) Skype
14 64 (7.80%) Cisco Nexus
14 64 (7.80%) Unified Communications
15 61 (7.43%) EIGRP
16 55 (6.70%) Cisco ASA
16 55 (6.70%) OSPF
17 52 (6.33%) Wi-Fi
Database & Business Intelligence
1 75 (9.14%) SQL Server
2 19 (2.31%) MySQL
3 11 (1.34%) SQL Server 2008
4 9 (1.10%) Oracle Database
5 8 (0.97%) SQL Server 2012
6 7 (0.85%) InfluxDB
7 5 (0.61%) SQL Server 2005
8 4 (0.49%) Amazon RDS
8 4 (0.49%) Oracle Exadata
9 2 (0.24%) SQL Server 2014
10 1 (0.12%) Geospatial Data
10 1 (0.12%) MS Access
10 1 (0.12%) NoSQL
10 1 (0.12%) Relational Database
10 1 (0.12%) SQL Server 2016
Development Applications
1 26 (3.17%) Git (software)
2 14 (1.71%) Subversion
3 12 (1.46%) Jenkins
4 10 (1.22%) JIRA
4 10 (1.22%) Sonatype Nexus
5 7 (0.85%) Ant
5 7 (0.85%) Artifactory
5 7 (0.85%) Automake
5 7 (0.85%) CMake
5 7 (0.85%) Grunt
5 7 (0.85%) Hudson
5 7 (0.85%) JUnit
5 7 (0.85%) Maven
5 7 (0.85%) Octopus Deploy
6 5 (0.61%) Babel
6 5 (0.61%) IntelliJ
6 5 (0.61%) webpack
7 3 (0.37%) AppScan
7 3 (0.37%) Metasploit
7 3 (0.37%) Paros
General
1 247 (30.09%) Finance
2 142 (17.30%) Telecoms
3 85 (10.35%) Banking
4 41 (4.99%) Legal
5 36 (4.38%) Marketing
6 27 (3.29%) Law
7 16 (1.95%) Retail
8 11 (1.34%) Games
9 9 (1.10%) Financial Institution
10 8 (0.97%) Advertising
10 8 (0.97%) Back Office
10 8 (0.97%) Publishing
11 7 (0.85%) Manufacturing
12 5 (0.61%) Billing
13 4 (0.49%) German Language
13 4 (0.49%) Investment Banking
14 2 (0.24%) French Language
14 2 (0.24%) Military
15 1 (0.12%) Local Government
15 1 (0.12%) Music Industry
Job Titles
1 188 (22.90%) Network Engineer
2 118 (14.37%) Analyst
3 98 (11.94%) Infrastructure Engineer
4 63 (7.67%) Cisco Engineer
4 63 (7.67%) Support Engineer
5 57 (6.94%) Support Analyst
6 54 (6.58%) Cisco Network Engineer
7 52 (6.33%) 3rd Line Engineer
8 50 (6.09%) Architect
8 50 (6.09%) Senior Network Engineer
9 47 (5.72%) IT Manager
10 46 (5.60%) Administrator
11 43 (5.24%) Desktop Support
12 42 (5.12%) VoIP Engineer
13 40 (4.87%) Network Infrastructure Engineer
14 36 (4.38%) Systems Administrator
15 35 (4.26%) Infrastructure Analyst
15 35 (4.26%) IT Analyst
16 32 (3.90%) 3rd Line Network Engineer
16 32 (3.90%) IT Support
Libraries, Frameworks & Software Standards
1 37 (4.51%) LAMP
2 29 (3.53%) 802.1X
3 27 (3.29%) XMPP
4 15 (1.83%) FreeSWITCH
5 14 (1.71%) HTML
6 13 (1.58%) CSS
7 11 (1.34%) CSS3
8 9 (1.10%) .NET
9 8 (0.97%) Middleware
10 7 (0.85%) REST
10 7 (0.85%) Sensu
10 7 (0.85%) Velocity
11 6 (0.73%) HTML5
11 6 (0.73%) Node.js
11 6 (0.73%) Redux
12 5 (0.61%) GWT
12 5 (0.61%) JPA
12 5 (0.61%) jQuery
12 5 (0.61%) Spring
12 5 (0.61%) XHTML
Miscellaneous
1 121 (14.74%) Data Centre
2 63 (7.67%) Analytical Skills
3 40 (4.87%) Computer Science
4 34 (4.14%) Blackberry
5 28 (3.41%) Smartphone
6 26 (3.17%) Management Information System
6 26 (3.17%) Video Conferencing
7 25 (3.05%) IVR
8 17 (2.07%) User Experience
9 15 (1.83%) Handset
10 12 (1.46%) Clustering
11 11 (1.34%) Fintech
11 11 (1.34%) NHS
12 10 (1.22%) Fat Client
12 10 (1.22%) Thin Client
13 9 (1.10%) Enterprise Storage
13 9 (1.10%) Public Cloud
14 8 (0.97%) BYOD
14 8 (0.97%) Driving Licence
15 7 (0.85%) iPhone
Operating Systems
1 379 (46.16%) Windows
2 187 (22.78%) Windows Server
3 133 (16.20%) Linux
4 105 (12.79%) Windows Server 2012
5 102 (12.42%) Windows Server 2008
6 100 (12.18%) Windows 7
7 67 (8.16%) Windows 10
8 37 (4.51%) Android
9 35 (4.26%) Windows 8
10 34 (4.14%) Unix
11 31 (3.78%) Apple iOS
11 31 (3.78%) Windows Server 2003
12 23 (2.80%) Red Hat Enterprise Linux
13 21 (2.56%) Mac OS
14 20 (2.44%) CentOS
14 20 (2.44%) VMS
15 18 (2.19%) Mac OS X
16 14 (1.71%) Windows XP
17 8 (0.97%) Debian
17 8 (0.97%) Solaris
Processes & Methodologies
1 155 (18.88%) ITIL
2 66 (8.04%) Disaster Recovery
3 65 (7.92%) DevOps
4 63 (7.67%) Service Delivery
5 45 (5.48%) Presales
6 40 (4.87%) Load Balancing
7 39 (4.75%) Agile Software Development
7 39 (4.75%) Mentoring
7 39 (4.75%) PRINCE2
7 39 (4.75%) Problem Management
7 39 (4.75%) Project Management
8 37 (4.51%) Network Monitoring
9 36 (4.38%) Service Management
10 35 (4.26%) Information Security
10 35 (4.26%) Patch Management
11 33 (4.02%) Data Security
12 31 (3.78%) Data Protection
12 31 (3.78%) Kalman Filter
12 31 (3.78%) Network Architecture
12 31 (3.78%) Stakeholder Management
Programming Languages
1 66 (8.04%) SQL
2 50 (6.09%) PowerShell
3 38 (4.63%) Python
4 32 (3.90%) Bash Shell
5 28 (3.41%) Perl
6 19 (2.31%) Ruby
7 18 (2.19%) Java
8 14 (1.71%) JavaScript
9 12 (1.46%) C
10 8 (0.97%) PHP
10 8 (0.97%) Shell Script
11 7 (0.85%) Erlang
12 5 (0.61%) ES6
13 4 (0.49%) C#
13 4 (0.49%) C++
14 3 (0.37%) Objective-C
15 2 (0.24%) VB
16 1 (0.12%) T-SQL
16 1 (0.12%) VBA
16 1 (0.12%) VBScript
Qualifications
1 216 (26.31%) Cisco Certification
2 186 (22.66%) CCNP
3 93 (11.33%) CCNA
4 69 (8.40%) Microsoft Certification
5 63 (7.67%) Degree
6 60 (7.31%) CCIE
7 47 (5.72%) CCVP
8 41 (4.99%) MCSE
9 35 (4.26%) CCNP Voice
10 21 (2.56%) MCP
11 20 (2.44%) ITIL Certification
12 17 (2.07%) MCSA
13 14 (1.71%) JNCIA
13 14 (1.71%) JNCIP
14 13 (1.58%) CCDP
14 13 (1.58%) VMware Certified Professional (VCP)
15 10 (1.22%) CISSP
15 10 (1.22%) MCITP
16 9 (1.10%) MCDST
17 8 (0.97%) Computer Science Degree
Quality Assurance & Compliance
1 51 (6.21%) SLA
2 23 (2.80%) ISO/IEC 27001
3 19 (2.31%) PCI DSS
4 14 (1.71%) Cyber Essentials
5 13 (1.58%) Sarbanes-Oxley
6 10 (1.22%) QA
7 8 (0.97%) GDPR
8 5 (0.61%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
9 2 (0.24%) ISO/IEC 20000
System Software
1 236 (28.75%) Active Directory
2 164 (19.98%) VMware Infrastructure
3 100 (12.18%) Hyper-V
4 37 (4.51%) vSphere
5 28 (3.41%) VMware ESXi
6 19 (2.31%) XenApp
7 18 (2.19%) Docker
8 16 (1.95%) Virtual Machines
9 14 (1.71%) Virtual Servers
10 12 (1.46%) VMware Workstation
11 10 (1.22%) Terminal Services
11 10 (1.22%) vCloud
11 10 (1.22%) VMware Server
12 9 (1.10%) Virtual Desktop
13 6 (0.73%) NFS
13 6 (0.73%) Xen
14 5 (0.61%) DFS Replication
14 5 (0.61%) OpenSIPS
15 4 (0.49%) XenServer
16 3 (0.37%) XenDesktop
Systems Management
1 89 (10.84%) Cisco CUCM
2 61 (7.43%) Cisco UCCX
3 53 (6.46%) Cisco UCCE
4 43 (5.24%) SCCM
5 30 (3.65%) Nagios
6 23 (2.80%) Backup Exec
6 23 (2.80%) Puppet
7 20 (2.44%) Opscode Chef
8 17 (2.07%) Ansible
9 14 (1.71%) Cacti
9 14 (1.71%) FortiGate
9 14 (1.71%) Norton AntiVirus
9 14 (1.71%) WSUS
10 13 (1.58%) AirWatch
11 11 (1.34%) SCOM
12 8 (0.97%) BladeLogic
12 8 (0.97%) Control-M
12 8 (0.97%) Oracle Enterprise Manager
12 8 (0.97%) Terraform
12 8 (0.97%) vCenter Server
Vendors
1 411 (50.06%) Cisco
2 275 (33.50%) Microsoft
3 240 (29.23%) VMware
4 106 (12.91%) Citrix
5 85 (10.35%) Palo Alto
6 81 (9.87%) HP
7 79 (9.62%) Juniper
8 73 (8.89%) CheckPoint
9 66 (8.04%) Avaya
10 43 (5.24%) NetApp
11 42 (5.12%) SonicWALL
12 38 (4.63%) Mitel
13 37 (4.51%) Dell
14 35 (4.26%) F5
14 35 (4.26%) SolarWinds
15 33 (4.02%) Apple
15 33 (4.02%) Oracle
16 32 (3.90%) Riverbed
17 31 (3.78%) Veeam
18 26 (3.17%) NICE Systems
Central London / West End
Parallel Consulting
Salary: £35000 - £40000 per annum + excellent benefits
Posted: Yesterday
West London
Vadis People
Salary: circ £28,000 - £35,000 + Beer!
Posted: 3 days ago
West London
Senitor Associates
Salary: £33000 per annum
Posted: 2 days ago
London
Sopra Steria Recruitment
Salary: From £40,000 to £45,000 per annum
Posted: 2 days ago
City, London
Ashdown IT
Salary: £23000 per annum
Posted: 2 days ago
City, London
The North Starr
Salary: £70000 - £80000 per annum + 20% commission
Posted: 3 days ago
London
Joseph Harry Ltd
Salary: £70000 - £90000 per annum + 25-30% Bonus + 10% Pension
Posted: 3 days ago
City, London
Senitor Associates
Salary: £37000 - £40000 per annum
Posted: 2 days ago
North West London
Jonothan Bosworth
Salary: £40000 - £50000 Per Annum
Posted: 4 days ago
South West London
World Fuel Services
Salary: £Competitive
Posted: 4 days ago
North West London
Origin Housing
Salary: £36,522 per annum
Posted: 6 days ago
London
Joseph Harry Ltd
Salary: £40000 - £60000 per annum + + 10% Pension + 25% Bonus
Posted: 6 days ago
London
JM
Salary: £50000 - £70000 per annum
Posted: 5 days ago
North West London
Franklin Bates
Salary: From £50,000 to £55,000 per annum
Posted: 5 days ago
London
DCV Technologies
Salary: From £48,000 to £60,000 per annum
Posted: 4 days ago
London
Artemis Recruitment Ltd
Salary: Up to £44,000 per annum + Benefits
Posted: 6 days ago
London
Joseph Harry Ltd
Salary: £70000 - £90000 per annum + 25-30% Bonus + 10% Pension
Posted: 6 days ago
North London
Robert Half
Salary: £60000 - £70000 per annum + Bonus & Benefits
Posted: 6 days ago
West London
Senitor Associates
Salary: £30000 - £35000 per annum
Posted: 6 days ago
West London
Frontier Technology
Salary: From £40,000 to £50,000 per annum pension, health insurance, profit an
Posted: 12 days ago
London
Capita Resourcing - IT Resourcing
Salary: £40000 - £45000 per annum + Car/Travel Allowance + benefits
Posted: 6 days ago
City, London
ANSON MCCADE
Salary: UKP 85000 per year
Posted: 4 days ago
City, London
ANSON MCCADE
Salary: UKP 60000 per year
Posted: 4 days ago
South West London
World First
Posted: 20 days ago
City, London
ANSON MCCADE
Salary: £70,000 - £85,000 + Car Allowance + Bonus + Benefits
Posted: 4 days ago
London
ARC IT Recruitment Ltd
Salary: £65000 - £85000 per annum + bonus + benfits
Posted: 2 days ago
City, London
ANSON MCCADE
Salary: £45,000 - £60,000 + Bonus + Benefits
Posted: 4 days ago
North West London
Utility Warehouse Ltd
Salary: £20,730 per annum a great bonus of up to 25% (OTE £26,000) + benefits!
Posted: 18 days ago
City, London
Evolution Recruitment Solutions
Salary: 40,000-60,000
Posted: 6 days ago