Period
to 19 July 2018

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 6 months to 19 July 2018 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
19 Jul 2018
Same period 2017 Same period 2016
Rank 438 298 268
Rank change year-on-year -140 -30 +6
Permanent jobs citing VoIP 450 824 1,075
As % of all permanent IT jobs advertised in London 0.63% 1.12% 1.29%
As % of the Communications & Networking category 4.45% 7.31% 8.20%
Number of salaries quoted 395 751 939
London median annual salary £45,000 £50,000 £45,000
Median salary % change year-on-year -10.00% +11.11% -
10th Percentile £26,250 £29,750 £26,250
90th Percentile £73,900 £80,000 £70,000
England median annual salary £40,000 £40,000 £40,000

VoIP is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 10,123 11,279 13,113
As % of all permanent IT jobs advertised in London 14.28% 15.39% 15.79%
Number of salaries quoted 8,278 9,313 11,210
London median annual salary £55,000 £54,000 £52,500
Median salary % change year-on-year +1.85% +2.86% +5.00%
10th Percentile £30,000 £30,000 £29,363
90th Percentile £85,000 £80,000 £78,750
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

VoIP
Job Vacancy Trend in London

Job postings citing VoIP as a percentage of all IT jobs advertised in London.

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 6 months to 19 July 2018.

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 6 months to 19 July 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -79 111 £56,250 +12.50% 20
West London -22 23 £27,500 -35.29% 10
East London +6 17 £30,000 -7.69% 3
South London -23 17 £30,000 -33.33% 5
North London -6 4 £22,500 -52.63% 2
VoIP
England

For the 6 months to 19 July 2018, IT jobs citing VoIP also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for VoIP.

1 215 (47.78%) Windows
2 183 (40.67%) Cisco
3 150 (33.33%) Active Directory
4 149 (33.11%) Microsoft
5 147 (32.67%) WAN
6 141 (31.33%) LAN
6 141 (31.33%) Firewall
7 131 (29.11%) Office 365
8 119 (26.44%) VMware
9 114 (25.33%) VPN
10 92 (20.44%) VMware Infrastructure
11 90 (20.00%) TCP/IP
12 87 (19.33%) Citrix
12 87 (19.33%) Cisco Certification
12 87 (19.33%) ITIL
13 86 (19.11%) Finance
14 85 (18.89%) DNS
15 84 (18.67%) Windows Server
16 80 (17.78%) Microsoft Office
17 69 (15.33%) Problem-Solving
18 68 (15.11%) Data Centre
19 66 (14.67%) Unified Communications
20 64 (14.22%) Windows 10
20 64 (14.22%) Telecoms
20 64 (14.22%) Linux
21 63 (14.00%) VLAN
21 63 (14.00%) Windows 7
22 60 (13.33%) Wireless
22 60 (13.33%) DHCP
23 58 (12.89%) MS Exchange

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 58 (12.89%) MS Exchange
2 43 (9.56%) Skype for Business
3 28 (6.22%) SharePoint
4 25 (5.56%) Exchange Server 2010
5 14 (3.11%) Exchange Server 2013
6 10 (2.22%) CMS
7 9 (2.00%) Apache
7 9 (2.00%) Confluence
8 6 (1.33%) Blackberry Enterprise Server
8 6 (1.33%) SharePoint 2013
9 4 (0.89%) nginx
10 3 (0.67%) Exchange Server 2007
10 3 (0.67%) SharePoint Server
10 3 (0.67%) Tomcat
10 3 (0.67%) WordPress
11 2 (0.44%) IIS
11 2 (0.44%) Joomla!
11 2 (0.44%) uWSGI
12 1 (0.22%) Exchange Server 2003
12 1 (0.22%) OpenStack
Applications
1 80 (17.78%) Microsoft Office
2 6 (1.33%) MS Visio
3 5 (1.11%) Microsoft Excel
4 2 (0.44%) Microsoft PowerPoint
4 2 (0.44%) Mozilla Thunderbird
5 1 (0.22%) Adobe Creative Suite
5 1 (0.22%) Adobe Premiere
5 1 (0.22%) LibreOffice
5 1 (0.22%) Microsoft Project
Business Applications
1 11 (2.44%) Dynamics CRM
2 2 (0.44%) Eikon
3 1 (0.22%) Carpe Diem
3 1 (0.22%) Dynamics NAV
3 1 (0.22%) Remedy ITSM
3 1 (0.22%) Unit4 Business World
Cloud Services
1 131 (29.11%) Office 365
2 43 (9.56%) Microsoft Azure
3 35 (7.78%) Amazon AWS
4 21 (4.67%) G Suite
5 20 (4.44%) SaaS
6 11 (2.44%) IaaS
7 8 (1.78%) OneDrive
8 7 (1.56%) Amazon EC2
9 6 (1.33%) PaaS
10 5 (1.11%) Amazon S3
10 5 (1.11%) Azure Active Directory
10 5 (1.11%) Cloud Computing
11 4 (0.89%) Google Cloud Platform
11 4 (0.89%) Mimecast
12 2 (0.44%) Amazon CloudWatch
12 2 (0.44%) AWS CloudFormation
12 2 (0.44%) Dropbox
12 2 (0.44%) Slack
13 1 (0.22%) BlazeMeter
13 1 (0.22%) OpenDNS
Communications & Networking
1 147 (32.67%) WAN
2 141 (31.33%) Firewall
2 141 (31.33%) LAN
3 114 (25.33%) VPN
4 90 (20.00%) TCP/IP
5 85 (18.89%) DNS
6 66 (14.67%) Unified Communications
7 63 (14.00%) VLAN
8 60 (13.33%) DHCP
8 60 (13.33%) Wireless
9 52 (11.56%) MPLS
10 43 (9.56%) Skype
11 40 (8.89%) BGP
11 40 (8.89%) PBX
12 38 (8.44%) Internet
12 38 (8.44%) Wi-Fi
13 34 (7.56%) OSPF
14 30 (6.67%) IPsec
14 30 (6.67%) Network Security
15 27 (6.00%) Cisco Nexus
Database & Business Intelligence
1 26 (5.78%) SQL Server
2 8 (1.78%) SQL Server 2014
3 6 (1.33%) SQL Server 2012
4 5 (1.11%) MySQL
4 5 (1.11%) SQL Server 2008
5 4 (0.89%) Amazon RDS
6 2 (0.44%) MariaDB
6 2 (0.44%) Oracle Database
6 2 (0.44%) PostgreSQL
6 2 (0.44%) SQL Server 2005
7 1 (0.22%) Amazon DynamoDB
7 1 (0.22%) Blockchain
7 1 (0.22%) SQL Server 2016
Development Applications
1 19 (4.22%) JIRA
2 5 (1.11%) VSS/SourceSafe
3 4 (0.89%) Git (software)
4 3 (0.67%) Selenium
4 3 (0.67%) WinDbg
5 2 (0.44%) Atlassian Bamboo
5 2 (0.44%) Jenkins
5 2 (0.44%) PyCharm
5 2 (0.44%) Sonatype Nexus
5 2 (0.44%) Subversion
5 2 (0.44%) Vagrant
6 1 (0.22%) GitLab
6 1 (0.22%) HP UFT
6 1 (0.22%) JMeter
6 1 (0.22%) LoadRunner
6 1 (0.22%) NeoLoad
6 1 (0.22%) Robot Framework
6 1 (0.22%) TeamCity
6 1 (0.22%) WebDriver
6 1 (0.22%) WinRunner
General
1 86 (19.11%) Finance
2 64 (14.22%) Telecoms
3 33 (7.33%) Legal
4 18 (4.00%) Retail
5 17 (3.78%) Law
6 13 (2.89%) Banking
7 12 (2.67%) Marketing
8 4 (0.89%) Front Office
8 4 (0.89%) Local Government
8 4 (0.89%) Multimedia
9 3 (0.67%) Billing
9 3 (0.67%) Investment Banking
9 3 (0.67%) Manufacturing
9 3 (0.67%) Pharmaceutical
10 2 (0.44%) Back Office
11 1 (0.22%) Electronics
11 1 (0.22%) Financial Institution
11 1 (0.22%) French Language
11 1 (0.22%) Games
Job Titles
1 93 (20.67%) Analyst
2 76 (16.89%) Support Engineer
3 61 (13.56%) Network Engineer
4 53 (11.78%) IT Support
5 47 (10.44%) Support Analyst
6 40 (8.89%) 2nd Line Support
7 26 (5.78%) Infrastructure Engineer
8 25 (5.56%) IT Engineer
9 21 (4.67%) Desktop Support
9 21 (4.67%) IT Support Engineer
9 21 (4.67%) Senior Network Engineer
10 20 (4.44%) 1st/2nd Line Support
10 20 (4.44%) Service Analyst
11 19 (4.22%) 2nd Line Engineer
11 19 (4.22%) 2nd Line Support Engineer
11 19 (4.22%) IT Analyst
12 18 (4.00%) IT Support Analyst
12 18 (4.00%) Voice Engineer
12 18 (4.00%) VoIP Engineer
13 17 (3.78%) Technical Engineer
Libraries, Frameworks & Software Standards
1 19 (4.22%) Middleware
2 18 (4.00%) 802.1X
3 8 (1.78%) Web Services
4 7 (1.56%) Flash
4 7 (1.56%) LDAP
5 3 (0.67%) CSS
5 3 (0.67%) Django
5 3 (0.67%) Mason
5 3 (0.67%) React
5 3 (0.67%) Software Packaging
6 2 (0.44%) FreeSWITCH
6 2 (0.44%) HTML
6 2 (0.44%) JSON
6 2 (0.44%) LEMP Stack
6 2 (0.44%) PHP-FPM
6 2 (0.44%) Redux
6 2 (0.44%) REST
6 2 (0.44%) WSGI
6 2 (0.44%) XMPP
7 1 (0.22%) .NET
Miscellaneous
1 68 (15.11%) Data Centre
2 51 (11.33%) Analytical Skills
3 33 (7.33%) Video Conferencing
4 31 (6.89%) Self-Motivation
5 30 (6.67%) Management Information System
6 21 (4.67%) Computer Science
7 12 (2.67%) Blackberry
7 12 (2.67%) iPhone
8 11 (2.44%) Fintech
8 11 (2.44%) Virtual Team
9 10 (2.22%) NHS
10 9 (2.00%) Social Media
10 9 (2.00%) User Experience
11 8 (1.78%) iPad
12 7 (1.56%) Algorithms
12 7 (1.56%) CCTV
12 7 (1.56%) Data Structures
12 7 (1.56%) Private Cloud
13 6 (1.33%) Public Cloud
13 6 (1.33%) Smartphone
Operating Systems
1 215 (47.78%) Windows
2 84 (18.67%) Windows Server
3 64 (14.22%) Linux
3 64 (14.22%) Windows 10
4 63 (14.00%) Windows 7
5 36 (8.00%) Windows Server 2008
6 21 (4.67%) Windows Server 2012
7 17 (3.78%) Android
7 17 (3.78%) Mac OS X
8 15 (3.33%) Mac OS
9 14 (3.11%) Windows Server 2003
10 11 (2.44%) Windows 8
11 10 (2.22%) Apple iOS
11 10 (2.22%) Unix
12 7 (1.56%) Solaris
13 5 (1.11%) Oracle Linux
14 4 (0.89%) Windows Mobile
15 3 (0.67%) Debian
15 3 (0.67%) Windows Phone
16 2 (0.44%) Ubuntu
Processes & Methodologies
1 87 (19.33%) ITIL
2 69 (15.33%) Problem-Solving
3 32 (7.11%) CRM
4 30 (6.67%) Network Architecture
5 29 (6.44%) Project Management
6 27 (6.00%) Capacity Management
7 26 (5.78%) Cybersecurity
7 26 (5.78%) Information Security
8 25 (5.56%) DevOps
9 24 (5.33%) High Availability
10 23 (5.11%) Problem Management
11 20 (4.44%) Presales
11 20 (4.44%) Service Management
12 18 (4.00%) Change Management
13 17 (3.78%) Load Balancing
13 17 (3.78%) PRINCE2
14 15 (3.33%) Agile Software Development
14 15 (3.33%) ITIL V3
15 14 (3.11%) Network Management
15 14 (3.11%) Stakeholder Management
Programming Languages
1 25 (5.56%) Python
2 24 (5.33%) PowerShell
3 17 (3.78%) Bash Shell
3 17 (3.78%) SQL
4 13 (2.89%) Java
4 13 (2.89%) Perl
5 8 (1.78%) C
5 8 (1.78%) PHP
5 8 (1.78%) Ruby
6 7 (1.56%) JavaScript
7 4 (0.89%) C++
8 3 (0.67%) C#
8 3 (0.67%) VBScript
9 2 (0.44%) Go
9 2 (0.44%) MATLAB
9 2 (0.44%) VB
Qualifications
1 87 (19.33%) Cisco Certification
2 57 (12.67%) CCNP
3 39 (8.67%) Degree
4 36 (8.00%) CCNA
5 28 (6.22%) Microsoft Certification
6 18 (4.00%) CCIE
7 16 (3.56%) MCSE
8 10 (2.22%) ITIL Certification
9 9 (2.00%) CCSE
9 9 (2.00%) Computer Science Degree
9 9 (2.00%) MCSA
10 8 (1.78%) CCSP
10 8 (1.78%) CISSP
11 7 (1.56%) CEH
11 7 (1.56%) CISM
11 7 (1.56%) MCP
11 7 (1.56%) SANS
11 7 (1.56%) Security Cleared
11 7 (1.56%) TOGAF Certification
12 5 (1.11%) MCITP
Quality Assurance & Compliance
1 31 (6.89%) SLA
2 23 (5.11%) ISO/IEC 27001
3 20 (4.44%) Cyber Essentials
3 20 (4.44%) Cyber Essentials PLUS
4 9 (2.00%) PCI DSS
4 9 (2.00%) QA
5 8 (1.78%) GDPR
6 7 (1.56%) PMO
7 5 (1.11%) COBIT
8 1 (0.22%) ISO 22301
System Software
1 150 (33.33%) Active Directory
2 92 (20.44%) VMware Infrastructure
3 23 (5.11%) XenApp
4 21 (4.67%) Virtual Machines
5 15 (3.33%) Hyper-V
6 12 (2.67%) XenDesktop
7 8 (1.78%) Terminal Services
8 7 (1.56%) Virtual Desktop
8 7 (1.56%) vSphere
9 5 (1.11%) Docker
9 5 (1.11%) Virtual Servers
9 5 (1.11%) VMware ESXi
10 4 (0.89%) VMware Workstation
11 2 (0.44%) BIND 9
11 2 (0.44%) Firmware
11 2 (0.44%) Kamailio
11 2 (0.44%) Postfix
11 2 (0.44%) Terminal Server
12 1 (0.22%) iptables
12 1 (0.22%) Microsoft Virtual Server
Systems Management
1 36 (8.00%) Cisco CUCM
2 33 (7.33%) SCCM
3 16 (3.56%) Backup Exec
4 8 (1.78%) Ansible
4 8 (1.78%) Cacti
4 8 (1.78%) Jamf Pro
4 8 (1.78%) Puppet
5 7 (1.56%) Nagios
6 6 (1.33%) Microsoft Intune
6 6 (1.33%) Norton AntiVirus
6 6 (1.33%) Opscode Chef
7 5 (1.11%) BladeLogic
7 5 (1.11%) Cisco Prime
7 5 (1.11%) Cisco UCCX
7 5 (1.11%) Control-M
7 5 (1.11%) Oracle Enterprise Manager
8 4 (0.89%) FortiGate
8 4 (0.89%) SCOM
8 4 (0.89%) SolarWinds Orion
9 3 (0.67%) HAProxy
Vendors
1 183 (40.67%) Cisco
2 149 (33.11%) Microsoft
3 119 (26.44%) VMware
4 87 (19.33%) Citrix
5 40 (8.89%) HP
6 36 (8.00%) Avaya
7 31 (6.89%) Veeam
8 27 (6.00%) Google
8 27 (6.00%) Palo Alto
9 26 (5.78%) Juniper
10 24 (5.33%) Apple
11 23 (5.11%) F5
12 22 (4.89%) CheckPoint
12 22 (4.89%) SolarWinds
13 19 (4.22%) Mitel
14 15 (3.33%) Draytek
14 15 (3.33%) Salesforce.com
15 14 (3.11%) Fortinet
15 14 (3.11%) ServiceNow
15 14 (3.11%) ShoreTel