Period
to 20 November 2017

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 20 November 2017 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 359 286 274
Rank change year-on-year -73 -12 +22
Permanent jobs citing VoIP 654 899 1110
As % of all permanent IT jobs advertised in London 0.87% 1.20% 1.25%
As % of the Communications & Networking category 6.02% 7.54% 7.82%
Number of salaries quoted 606 832 1020
London median annual salary £50,000 £46,000 £45,000
Median salary % change year-on-year +8.70% +2.22% -2.17%
10th Percentile £26,250 £26,250 £25,750
90th Percentile £80,000 £77,500 £73,750
England median annual salary £41,000 £39,500 £40,000
% change year-on-year +3.80% -1.25% -

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 10860 11920 14194
As % of all permanent IT jobs advertised in London 14.45% 15.93% 15.93%
Number of salaries quoted 8864 10189 12019
London median annual salary £54,375 £53,500 £50,000
Median salary % change year-on-year +1.64% +7.00% -
10th Percentile £30,500 £30,000 £27,500
90th Percentile £80,000 £80,000 £78,750
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 20 November 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 6 months to 20 November 2017. 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 -46 109 £47,500 -9.52% 4
West London -1 52 £45,000 -10.00% 9
South London +7 32 £47,500 +43.94% 1
East London +4 27 £47,500 +58.33% 3
North London -12 6 £54,500 +101.85%
VoIP
England

For the 6 months to 20 November 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.

1 321 (49.08%) Cisco
2 266 (40.67%) Firewall
3 261 (39.91%) Windows
4 240 (36.70%) Microsoft
5 221 (33.79%) Active Directory
6 188 (28.75%) Cisco Certification
7 180 (27.52%) WAN
8 177 (27.06%) Finance
9 155 (23.70%) Wireless
10 153 (23.39%) CCNP
11 142 (21.71%) LAN
12 136 (20.80%) VMware
13 134 (20.49%) DNS
13 134 (20.49%) Office 365
14 129 (19.72%) VPN
14 129 (19.72%) Telecoms
15 126 (19.27%) TCP/IP
15 126 (19.27%) ITIL
16 123 (18.81%) BGP
16 123 (18.81%) Windows Server
17 121 (18.50%) Unified Communications
18 115 (17.58%) MPLS
18 115 (17.58%) OSPF
19 109 (16.67%) Cisco IOS
20 106 (16.21%) Skype for Business
20 106 (16.21%) Linux
21 102 (15.60%) CCIE
21 102 (15.60%) Cisco Nexus
22 101 (15.44%) Microsoft Office
23 100 (15.29%) 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
1 106 (16.21%) Skype for Business
2 100 (15.29%) MS Exchange
3 61 (9.33%) CMS
4 54 (8.26%) Exchange Server 2010
5 42 (6.42%) SharePoint
6 30 (4.59%) Exchange Server 2013
7 24 (3.67%) IIS
8 11 (1.68%) Exchange Server 2007
9 9 (1.38%) nginx
10 7 (1.07%) Confluence
10 7 (1.07%) uWSGI
11 6 (0.92%) Apache
12 5 (0.76%) Blackberry Enterprise Server
12 5 (0.76%) Tomcat
13 4 (0.61%) OpenStack
14 3 (0.46%) Exchange Server 2003
15 2 (0.31%) CloudStack
16 1 (0.15%) BizTalk Server
16 1 (0.15%) SharePoint 2013
16 1 (0.15%) SharePoint Server
Applications
1 101 (15.44%) Microsoft Office
2 14 (2.14%) MS Visio
3 12 (1.83%) Microsoft PowerPoint
4 11 (1.68%) Microsoft Project
5 6 (0.92%) Microsoft Excel
6 1 (0.15%) Adobe Illustrator
6 1 (0.15%) InDesign
6 1 (0.15%) Photoshop
6 1 (0.15%) Spreadsheet
Business Applications
1 7 (1.07%) Dynamics CRM
2 4 (0.61%) Dynamics NAV
3 3 (0.46%) Dynamics AX
4 1 (0.15%) Infor SunSystems
4 1 (0.15%) Sage X3
4 1 (0.15%) SAP BPC
4 1 (0.15%) SystmOne
Cloud Services
1 134 (20.49%) Office 365
2 85 (13.00%) Microsoft Azure
3 56 (8.56%) Amazon AWS
4 38 (5.81%) SaaS
5 34 (5.20%) Mimecast
6 14 (2.14%) G Suite
6 14 (2.14%) IaaS
7 9 (1.38%) GitHub
8 6 (0.92%) Azure Active Directory
8 6 (0.92%) OneDrive
8 6 (0.92%) OpenDNS
9 5 (0.76%) Cloud Computing
10 4 (0.61%) Amazon ELB
10 4 (0.61%) FinancialForce
10 4 (0.61%) PaaS
11 3 (0.46%) Amazon EC2
11 3 (0.46%) Amazon S3
12 2 (0.31%) Adobe Creative Cloud
12 2 (0.31%) Salesforce Service Cloud
12 2 (0.31%) Virtual Private Cloud
Communications & Networking
1 266 (40.67%) Firewall
2 180 (27.52%) WAN
3 155 (23.70%) Wireless
4 142 (21.71%) LAN
5 134 (20.49%) DNS
6 129 (19.72%) VPN
7 126 (19.27%) TCP/IP
8 123 (18.81%) BGP
9 121 (18.50%) Unified Communications
10 115 (17.58%) MPLS
10 115 (17.58%) OSPF
11 109 (16.67%) Cisco IOS
12 102 (15.60%) Cisco Nexus
13 95 (14.53%) DHCP
14 93 (14.22%) IPsec
15 88 (13.46%) Skype
16 78 (11.93%) Network Security
17 77 (11.77%) EIGRP
18 72 (11.01%) VLAN
19 61 (9.33%) Internet
Database & Business Intelligence
1 42 (6.42%) SQL Server
2 17 (2.60%) MySQL
3 10 (1.53%) SQL Server 2012
4 8 (1.22%) SQL Server 2008
5 7 (1.07%) MariaDB
6 5 (0.76%) SQL Server 2005
7 4 (0.61%) SQL Server 2016
8 3 (0.46%) InfluxDB
8 3 (0.46%) PostgreSQL
8 3 (0.46%) SQL Server 2014
9 2 (0.31%) Redis
9 2 (0.31%) Riak
10 1 (0.15%) Amazon Redshift
10 1 (0.15%) NoSQL
10 1 (0.15%) Relational Database
Development Applications
1 28 (4.28%) JIRA
2 25 (3.82%) Git (software)
3 13 (1.99%) Jenkins
4 11 (1.68%) Zephyr
5 10 (1.53%) Subversion
6 8 (1.22%) SoapUI
7 5 (0.76%) AppScan
7 5 (0.76%) IntelliJ
7 5 (0.76%) Metasploit
7 5 (0.76%) Octopus Deploy
7 5 (0.76%) Paros
8 3 (0.46%) Maven
8 3 (0.46%) Sonatype Nexus
9 1 (0.15%) Atlassian Bamboo
9 1 (0.15%) Bitbucket
9 1 (0.15%) Gradle
9 1 (0.15%) Rational Functional Tester
9 1 (0.15%) Robot Framework
9 1 (0.15%) Selenium
9 1 (0.15%) VSS/SourceSafe
General
1 177 (27.06%) Finance
2 129 (19.72%) Telecoms
3 87 (13.30%) Banking
4 32 (4.89%) Legal
5 31 (4.74%) Law
6 17 (2.60%) Marketing
7 16 (2.45%) Retail
8 9 (1.38%) Publishing
9 8 (1.22%) Billing
9 8 (1.22%) French Language
9 8 (1.22%) Manufacturing
10 6 (0.92%) Advertising
11 4 (0.61%) Back Office
11 4 (0.61%) Military
12 1 (0.15%) German Language
12 1 (0.15%) Local Government
12 1 (0.15%) Pharmaceutical
12 1 (0.15%) Spanish Language
Job Titles
1 127 (19.42%) Network Engineer
2 85 (13.00%) Analyst
3 64 (9.79%) Cisco Engineer
3 64 (9.79%) Support Engineer
4 56 (8.56%) Infrastructure Engineer
5 52 (7.95%) Senior Network Engineer
6 49 (7.49%) Cisco Network Engineer
7 47 (7.19%) Team Leader
8 37 (5.66%) Support Analyst
9 36 (5.50%) IT Support
10 33 (5.05%) 3rd Line Engineer
11 30 (4.59%) IT Engineer
11 30 (4.59%) IT Manager
12 27 (4.13%) IT Analyst
13 26 (3.98%) Senior Cisco Engineer
13 26 (3.98%) Senior Cisco Network Engineer
14 25 (3.82%) Administrator
14 25 (3.82%) Operations Team Leader
14 25 (3.82%) Systems Engineer
15 24 (3.67%) Architect
Libraries, Frameworks & Software Standards
1 79 (12.08%) XMPP
2 18 (2.75%) 802.1X
2 18 (2.75%) HTML
3 16 (2.45%) REST
4 12 (1.83%) SOAP
5 11 (1.68%) FreeSWITCH
6 9 (1.38%) Django
7 8 (1.22%) CSS
7 8 (1.22%) JSON
7 8 (1.22%) WebSockets
8 7 (1.07%) LEMP Stack
8 7 (1.07%) PHP-FPM
8 7 (1.07%) Web Services
8 7 (1.07%) WSGI
9 6 (0.92%) Hibernate
9 6 (0.92%) JPA
9 6 (0.92%) LAMP
10 5 (0.76%) JDO
10 5 (0.76%) Servlets
10 5 (0.76%) Spring
Miscellaneous
1 98 (14.98%) Data Centre
2 68 (10.40%) Clustering
3 59 (9.02%) Computer Science
4 42 (6.42%) Analytical Skills
5 36 (5.50%) Video Conferencing
6 26 (3.98%) Management Information System
7 22 (3.36%) Enterprise Software
8 13 (1.99%) Public Cloud
9 11 (1.68%) Private Cloud
10 10 (1.53%) Algorithms
10 10 (1.53%) Data Structures
10 10 (1.53%) EPoS
10 10 (1.53%) Mobile App
10 10 (1.53%) Replication
11 9 (1.38%) Blackberry
12 8 (1.22%) Taxonomies
13 7 (1.07%) Linux Command Line
13 7 (1.07%) User Experience
13 7 (1.07%) Wiki
14 6 (0.92%) Driving Licence
Operating Systems
1 261 (39.91%) Windows
2 123 (18.81%) Windows Server
3 106 (16.21%) Linux
4 68 (10.40%) Windows Server 2008
5 64 (9.79%) Windows Server 2012
6 63 (9.63%) Windows 10
7 62 (9.48%) Windows 7
8 35 (5.35%) Android
9 29 (4.43%) Apple iOS
9 29 (4.43%) Windows Server 2003
10 24 (3.67%) Windows XP
11 21 (3.21%) Mac OS X
11 21 (3.21%) Windows 8
12 20 (3.06%) Unix
13 14 (2.14%) Debian
14 13 (1.99%) Ubuntu
15 10 (1.53%) VMS
16 9 (1.38%) Mac OS
17 8 (1.22%) CentOS
17 8 (1.22%) Windows 2000 Server
Processes & Methodologies
1 126 (19.27%) ITIL
2 54 (8.26%) Mentoring
3 51 (7.80%) Service Delivery
4 50 (7.65%) Line Management
5 47 (7.19%) Service Management
6 45 (6.88%) Migration
7 44 (6.73%) Disaster Recovery
8 42 (6.42%) Project Management
9 40 (6.12%) Information Security
10 36 (5.50%) Kalman Filter
10 36 (5.50%) Presales
11 35 (5.35%) Agile Software Development
12 33 (5.05%) DevOps
13 32 (4.89%) PRINCE2
14 28 (4.28%) Security Operations
15 27 (4.13%) CRM
15 27 (4.13%) Problem Management
16 26 (3.98%) Network Monitoring
17 24 (3.67%) SIEM
18 23 (3.52%) Patch Management
Programming Languages
1 50 (7.65%) SQL
2 41 (6.27%) PowerShell
3 27 (4.13%) Java
4 24 (3.67%) Bash Shell
5 20 (3.06%) Python
6 15 (2.29%) PHP
7 14 (2.14%) C
8 13 (1.99%) C++
8 13 (1.99%) JavaScript
9 12 (1.83%) Perl
10 8 (1.22%) Objective-C
11 7 (1.07%) C#
11 7 (1.07%) VBScript
12 4 (0.61%) Apex Code
12 4 (0.61%) Apple Swift
12 4 (0.61%) Ruby
12 4 (0.61%) SOQL
12 4 (0.61%) SOSL
12 4 (0.61%) VB
13 3 (0.46%) Erlang
Qualifications
1 188 (28.75%) Cisco Certification
2 153 (23.39%) CCNP
3 102 (15.60%) CCIE
4 72 (11.01%) CCVP
5 65 (9.94%) Degree
6 63 (9.63%) CCNA
7 51 (7.80%) Microsoft Certification
8 33 (5.05%) CCNP Voice
8 33 (5.05%) CISSP
8 33 (5.05%) MCSE
9 26 (3.98%) CISA
10 25 (3.82%) CISM
11 21 (3.21%) Computer Science Degree
12 20 (3.06%) CEH
13 15 (2.29%) CCDE
13 15 (2.29%) PRINCE2 Certification
14 13 (1.99%) MCITP
14 13 (1.99%) VMware Certified Professional (VCP)
15 12 (1.83%) ITIL Certification
15 12 (1.83%) SANS
Quality Assurance & Compliance
1 46 (7.03%) SLA
2 22 (3.36%) ISO/IEC 27001
2 22 (3.36%) PCI DSS
3 13 (1.99%) QA
4 5 (0.76%) Cyber Essentials
4 5 (0.76%) GDPR
4 5 (0.76%) Sarbanes-Oxley
5 4 (0.61%) HIPAA
6 1 (0.15%) COBIT
6 1 (0.15%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 1 (0.15%) MiFID
6 1 (0.15%) PMO
6 1 (0.15%) Solvency II
System Software
1 221 (33.79%) Active Directory
2 99 (15.14%) VMware Infrastructure
3 62 (9.48%) Hyper-V
4 30 (4.59%) XenApp
5 18 (2.75%) XenServer
6 14 (2.14%) VMware ESXi
7 10 (1.53%) Docker
8 9 (1.38%) Postfix
8 9 (1.38%) VMware Server
8 9 (1.38%) Xen
9 8 (1.22%) DFS Replication
10 7 (1.07%) BIND 9
10 7 (1.07%) Kamailio
11 6 (0.92%) Microsoft App-V
11 6 (0.92%) vSphere
12 5 (0.76%) Virtual Machines
12 5 (0.76%) Virtual Servers
13 4 (0.61%) Virtual Desktop
14 3 (0.46%) XenDesktop
15 2 (0.31%) VMware Workstation
Systems Management
1 91 (13.91%) Cisco CUCM
2 75 (11.47%) Cisco UCCX
3 71 (10.86%) Cisco UCCE
4 39 (5.96%) Nagios
5 35 (5.35%) SCCM
6 24 (3.67%) AirWatch
7 19 (2.91%) Backup Exec
8 18 (2.75%) FortiGate
9 15 (2.29%) Cacti
9 15 (2.29%) Puppet
10 11 (1.68%) SCOM
10 11 (1.68%) XenMobile
11 10 (1.53%) Munin
12 9 (1.38%) SolarWinds Orion
13 8 (1.22%) HAProxy
13 8 (1.22%) ZABBIX
14 7 (1.07%) Opscode Chef
15 6 (0.92%) EdgeSight
15 6 (0.92%) Nessus
15 6 (0.92%) QRadar
Vendors
1 321 (49.08%) Cisco
2 240 (36.70%) Microsoft
3 136 (20.80%) VMware
4 83 (12.69%) Palo Alto
5 78 (11.93%) Citrix
6 51 (7.80%) Riverbed
7 46 (7.03%) Juniper
8 45 (6.88%) Mitel
9 43 (6.57%) HP
10 41 (6.27%) Avaya
11 34 (5.20%) Apple
12 33 (5.05%) Meraki
12 33 (5.05%) NICE Systems
13 29 (4.43%) Veeam
14 25 (3.82%) Google
15 23 (3.52%) Dell
15 23 (3.52%) SolarWinds
16 21 (3.21%) CheckPoint
16 21 (3.21%) SonicWALL
17 20 (3.06%) NetApp