Period
to 19 January 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 January 2018 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 334 294 261
Rank change year-on-year -40 -33 +22
Permanent jobs citing VoIP 634 798 1,104
As % of all permanent IT jobs advertised in London 0.90% 1.13% 1.29%
As % of the Communications & Networking category 6.36% 7.18% 8.17%
Number of salaries quoted 588 748 996
London median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £25,000 £26,250 £26,250
90th Percentile £78,750 £78,750 £72,500
England median annual salary £41,000 £40,000 £40,000
% change year-on-year +2.50% - +2.56%

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 9,968 11,117 13,507
As % of all permanent IT jobs advertised in London 14.18% 15.73% 15.84%
Number of salaries quoted 8,337 9,470 11,449
London median annual salary £55,000 £54,000 £50,000
Median salary % change year-on-year +1.85% +8.00% +5.26%
10th Percentile £31,250 £30,000 £27,500
90th Percentile £80,000 £80,750 £80,000
England median annual salary £45,000 £45,000 £45,000

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 January 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 January 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 -30 111 £45,000 -5.26% 12
West London 0 43 £47,500 -5.00% 19
East London +2 32 £35,000 +20.69% 8
South London -23 26 £52,500 +10.53% 4
North London -3 7 £20,000 -20.00% 1
VoIP
England

For the 6 months to 19 January 2018, 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.

1 311 (49.05%) Cisco
2 271 (42.74%) Windows
3 265 (41.80%) Microsoft
4 260 (41.01%) Firewall
5 236 (37.22%) Active Directory
6 183 (28.86%) WAN
7 174 (27.44%) Cisco Certification
8 154 (24.29%) LAN
9 149 (23.50%) DNS
10 140 (22.08%) Telecoms
11 137 (21.61%) Wireless
11 137 (21.61%) Office 365
12 135 (21.29%) Unified Communications
13 134 (21.14%) Finance
13 134 (21.14%) CCNP
14 126 (19.87%) VPN
14 126 (19.87%) Windows Server
15 122 (19.24%) TCP/IP
15 122 (19.24%) VMware
16 118 (18.61%) MPLS
17 114 (17.98%) BGP
18 112 (17.67%) Data Centre
19 110 (17.35%) ITIL
20 104 (16.40%) DHCP
21 103 (16.25%) Microsoft Office
22 102 (16.09%) OSPF
23 101 (15.93%) Cisco IOS
24 100 (15.77%) Linux
25 98 (15.46%) IPsec
26 97 (15.30%) VMware Infrastructure

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 96 (15.14%) MS Exchange
2 91 (14.35%) Skype for Business
3 64 (10.09%) Exchange Server 2010
4 63 (9.94%) CMS
5 42 (6.62%) SharePoint
6 35 (5.52%) Exchange Server 2013
7 25 (3.94%) IIS
8 17 (2.68%) Blackberry Enterprise Server
9 12 (1.89%) Confluence
9 12 (1.89%) nginx
10 10 (1.58%) uWSGI
11 5 (0.79%) Apache
11 5 (0.79%) Exchange Server 2007
12 4 (0.63%) OpenStack
13 3 (0.47%) Exchange Server 2003
14 2 (0.32%) CloudStack
14 2 (0.32%) Tomcat
15 1 (0.16%) BizTalk Server
15 1 (0.16%) SharePoint Server
Applications
1 103 (16.25%) Microsoft Office
2 20 (3.15%) MS Visio
3 14 (2.21%) Microsoft PowerPoint
4 7 (1.10%) Microsoft Project
5 3 (0.47%) Microsoft Excel
6 2 (0.32%) Adobe Premiere
6 2 (0.32%) LibreOffice
6 2 (0.32%) Mozilla Thunderbird
7 1 (0.16%) Spreadsheet
Business Applications
1 17 (2.68%) Dynamics CRM
2 5 (0.79%) Dynamics NAV
3 4 (0.63%) Sage 200
4 2 (0.32%) Dynamics AX
5 1 (0.16%) Eikon
5 1 (0.16%) Sage X3
Cloud Services
1 137 (21.61%) Office 365
2 82 (12.93%) Microsoft Azure
3 50 (7.89%) Amazon AWS
4 37 (5.84%) SaaS
5 28 (4.42%) Mimecast
6 21 (3.31%) G Suite
7 8 (1.26%) GitHub
8 7 (1.10%) Azure Active Directory
9 4 (0.63%) FinancialForce
9 4 (0.63%) PaaS
10 3 (0.47%) IaaS
10 3 (0.47%) OneDrive
11 2 (0.32%) Adobe Creative Cloud
12 1 (0.16%) BlazeMeter
12 1 (0.16%) Cloud Computing
12 1 (0.16%) Force.com
12 1 (0.16%) Salesforce Service Cloud
12 1 (0.16%) Virtual Private Cloud
Communications & Networking
1 260 (41.01%) Firewall
2 183 (28.86%) WAN
3 154 (24.29%) LAN
4 149 (23.50%) DNS
5 137 (21.61%) Wireless
6 135 (21.29%) Unified Communications
7 126 (19.87%) VPN
8 122 (19.24%) TCP/IP
9 118 (18.61%) MPLS
10 114 (17.98%) BGP
11 104 (16.40%) DHCP
12 102 (16.09%) OSPF
13 101 (15.93%) Cisco IOS
14 98 (15.46%) IPsec
15 94 (14.83%) Network Security
16 92 (14.51%) Cisco Nexus
17 83 (13.09%) Skype
18 70 (11.04%) VLAN
19 66 (10.41%) EIGRP
20 52 (8.20%) Internet
Database & Business Intelligence
1 43 (6.78%) SQL Server
2 16 (2.52%) MySQL
3 14 (2.21%) SQL Server 2012
4 11 (1.74%) SQL Server 2008
5 10 (1.58%) MariaDB
6 9 (1.42%) SQL Server 2005
6 9 (1.42%) SQL Server 2014
7 6 (0.95%) SQL Server 2016
8 4 (0.63%) PostgreSQL
9 2 (0.32%) Redis
9 2 (0.32%) Riak
10 1 (0.16%) Amazon Redshift
10 1 (0.16%) NoSQL
Development Applications
1 36 (5.68%) JIRA
2 20 (3.15%) Git (software)
3 11 (1.74%) Zephyr
4 10 (1.58%) Subversion
5 9 (1.42%) Jenkins
6 8 (1.26%) SoapUI
7 5 (0.79%) Octopus Deploy
8 4 (0.63%) Sonatype Nexus
9 3 (0.47%) VSS/SourceSafe
10 2 (0.32%) AppScan
10 2 (0.32%) IntelliJ
10 2 (0.32%) Metasploit
10 2 (0.32%) Paros
11 1 (0.16%) Atlassian Bamboo
11 1 (0.16%) AutoIt
11 1 (0.16%) Gradle
11 1 (0.16%) Rational Functional Tester
11 1 (0.16%) Robot Framework
11 1 (0.16%) Selenium
11 1 (0.16%) Sikuli
General
1 140 (22.08%) Telecoms
2 134 (21.14%) Finance
3 64 (10.09%) Banking
4 37 (5.84%) Law
5 28 (4.42%) Legal
6 21 (3.31%) Retail
7 14 (2.21%) Marketing
8 13 (2.05%) Manufacturing
9 9 (1.42%) Advertising
9 9 (1.42%) Publishing
10 6 (0.95%) Billing
10 6 (0.95%) French Language
11 5 (0.79%) Back Office
12 3 (0.47%) Games
12 3 (0.47%) Military
13 1 (0.16%) German Language
13 1 (0.16%) Mandarin Language
13 1 (0.16%) Spanish Language
Job Titles
1 102 (16.09%) Network Engineer
2 94 (14.83%) Analyst
3 84 (13.25%) Support Engineer
4 51 (8.04%) Cisco Engineer
5 48 (7.57%) Infrastructure Engineer
5 48 (7.57%) IT Support
5 48 (7.57%) Senior Network Engineer
6 46 (7.26%) Team Leader
7 41 (6.47%) Cisco Network Engineer
8 40 (6.31%) Support Analyst
9 37 (5.84%) IT Engineer
10 33 (5.21%) Architect
11 32 (5.05%) 2nd Line Support
12 29 (4.57%) Administrator
13 28 (4.42%) Operations Team Leader
14 27 (4.26%) Network Team Leader
15 26 (4.10%) 3rd Line Engineer
16 25 (3.94%) Network Operations Team Leader
17 24 (3.79%) Senior Cisco Engineer
17 24 (3.79%) Senior Cisco Network Engineer
Libraries, Frameworks & Software Standards
1 68 (10.73%) XMPP
2 20 (3.15%) LDAP
3 18 (2.84%) HTML
4 14 (2.21%) FreeSWITCH
5 13 (2.05%) REST
6 12 (1.89%) Django
6 12 (1.89%) SOAP
7 11 (1.74%) Web Services
8 10 (1.58%) LEMP Stack
8 10 (1.58%) PHP-FPM
8 10 (1.58%) WSGI
9 9 (1.42%) 802.1X
9 9 (1.42%) CSS
10 8 (1.26%) JSON
10 8 (1.26%) WebSockets
11 4 (0.63%) Velocity
11 4 (0.63%) Visualforce
12 3 (0.47%) JNI
12 3 (0.47%) JPA
12 3 (0.47%) RESTful
Miscellaneous
1 112 (17.67%) Data Centre
2 63 (9.94%) Clustering
3 46 (7.26%) Computer Science
4 44 (6.94%) Analytical Skills
5 37 (5.84%) Video Conferencing
6 26 (4.10%) Management Information System
7 22 (3.47%) Enterprise Software
8 20 (3.15%) Blackberry
9 17 (2.68%) Public Cloud
10 13 (2.05%) Private Cloud
10 13 (2.05%) Taxonomies
11 12 (1.89%) Replication
12 11 (1.74%) Smartphone
13 10 (1.58%) EPoS
13 10 (1.58%) Linux Command Line
13 10 (1.58%) Wiki
14 9 (1.42%) Algorithms
14 9 (1.42%) Data Structures
14 9 (1.42%) User Experience
15 7 (1.10%) Mobile App
Operating Systems
1 271 (42.74%) Windows
2 126 (19.87%) Windows Server
3 100 (15.77%) Linux
4 66 (10.41%) Windows 10
5 60 (9.46%) Windows Server 2008
6 52 (8.20%) Windows Server 2012
7 46 (7.26%) Windows 7
8 37 (5.84%) Android
9 36 (5.68%) Windows Server 2003
10 24 (3.79%) Mac OS X
11 23 (3.63%) Windows XP
12 22 (3.47%) Apple iOS
13 20 (3.15%) Windows 8
14 15 (2.37%) Debian
14 15 (2.37%) Ubuntu
14 15 (2.37%) Unix
15 8 (1.26%) Windows 2000 Server
16 5 (0.79%) Solaris
17 4 (0.63%) CentOS
17 4 (0.63%) Mac OS
Processes & Methodologies
1 110 (17.35%) ITIL
2 54 (8.52%) Service Management
3 52 (8.20%) Line Management
3 52 (8.20%) Mentoring
4 45 (7.10%) Migration
5 43 (6.78%) CRM
6 39 (6.15%) Disaster Recovery
7 37 (5.84%) Project Management
8 35 (5.52%) Service Delivery
9 34 (5.36%) Kalman Filter
9 34 (5.36%) Presales
10 27 (4.26%) Patch Management
11 26 (4.10%) Asset Management
11 26 (4.10%) Incident Management
11 26 (4.10%) Information Security
11 26 (4.10%) ITIL V3
12 25 (3.94%) DevOps
13 24 (3.79%) Problem Management
14 22 (3.47%) Agile Software Development
14 22 (3.47%) BCP
Programming Languages
1 42 (6.62%) PowerShell
2 38 (5.99%) SQL
3 29 (4.57%) Bash Shell
4 22 (3.47%) Python
5 21 (3.31%) Java
6 17 (2.68%) PHP
7 12 (1.89%) C
7 12 (1.89%) JavaScript
7 12 (1.89%) Perl
8 11 (1.74%) C++
8 11 (1.74%) VBScript
9 7 (1.10%) Objective-C
10 5 (0.79%) C#
10 5 (0.79%) VB
11 4 (0.63%) Apex Code
11 4 (0.63%) SOQL
11 4 (0.63%) SOSL
12 3 (0.47%) Apple Swift
12 3 (0.47%) MATLAB
12 3 (0.47%) Shell Script
Qualifications
1 174 (27.44%) Cisco Certification
2 134 (21.14%) CCNP
3 84 (13.25%) CCIE
4 71 (11.20%) Degree
5 69 (10.88%) CCNA
6 60 (9.46%) CCVP
7 53 (8.36%) Microsoft Certification
8 36 (5.68%) MCSE
9 27 (4.26%) CISSP
10 22 (3.47%) CISA
11 21 (3.31%) CCNP Voice
11 21 (3.31%) CISM
12 17 (2.68%) ITIL Certification
13 16 (2.52%) Computer Science Degree
14 15 (2.37%) CCDE
14 15 (2.37%) MCITP
14 15 (2.37%) VMware Certified Professional (VCP)
15 14 (2.21%) CEH
16 12 (1.89%) PhD
17 11 (1.74%) SANS
Quality Assurance & Compliance
1 39 (6.15%) SLA
2 20 (3.15%) PCI DSS
3 15 (2.37%) QA
4 12 (1.89%) ISO/IEC 27001
5 7 (1.10%) GDPR
6 6 (0.95%) Cyber Essentials
7 2 (0.32%) HIPAA
7 2 (0.32%) Sarbanes-Oxley
8 1 (0.16%) COBIT
8 1 (0.16%) MiFID
8 1 (0.16%) PMO
8 1 (0.16%) Solvency II
System Software
1 236 (37.22%) Active Directory
2 97 (15.30%) VMware Infrastructure
3 60 (9.46%) Hyper-V
4 41 (6.47%) XenApp
5 16 (2.52%) XenServer
6 15 (2.37%) VMware ESXi
7 14 (2.21%) Kamailio
8 12 (1.89%) Postfix
9 10 (1.58%) BIND 9
10 8 (1.26%) vSphere
11 7 (1.10%) DFS Replication
11 7 (1.10%) Microsoft App-V
11 7 (1.10%) Terminal Services
11 7 (1.10%) Virtual Servers
11 7 (1.10%) Xen
12 5 (0.79%) Docker
13 4 (0.63%) VMware Workstation
14 3 (0.47%) VMware Server
14 3 (0.47%) XenDesktop
15 2 (0.32%) Terminal Server
Systems Management
1 80 (12.62%) Cisco CUCM
2 59 (9.31%) Cisco UCCE
2 59 (9.31%) Cisco UCCX
3 44 (6.94%) SCCM
4 35 (5.52%) Nagios
5 24 (3.79%) Backup Exec
6 21 (3.31%) AirWatch
7 17 (2.68%) SCOM
8 16 (2.52%) FortiGate
8 16 (2.52%) Puppet
9 15 (2.37%) Cacti
10 10 (1.58%) HAProxy
10 10 (1.58%) Munin
10 10 (1.58%) XenMobile
11 9 (1.42%) QRadar
12 8 (1.26%) ZABBIX
13 6 (0.95%) EdgeSight
13 6 (0.95%) Nessus
13 6 (0.95%) WSUS
14 5 (0.79%) Opscode Chef
Vendors
1 311 (49.05%) Cisco
2 265 (41.80%) Microsoft
3 122 (19.24%) VMware
4 90 (14.20%) Citrix
5 79 (12.46%) Palo Alto
6 58 (9.15%) Riverbed
7 48 (7.57%) HP
8 46 (7.26%) Mitel
9 40 (6.31%) Apple
9 40 (6.31%) Avaya
10 39 (6.15%) Juniper
11 35 (5.52%) Dell
11 35 (5.52%) Veeam
12 30 (4.73%) Meraki
13 26 (4.10%) Google
14 23 (3.63%) iManage
14 23 (3.63%) Salesforce.com
15 21 (3.31%) NICE Systems
16 16 (2.52%) NetApp
17 14 (2.21%) SonicWALL