Period
to 17 September 2019

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 17 September 2019 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
17 Sep 2019
Same period 2018 Same period 2017
Rank 342 434 337
Rank change year-on-year +92 -97 -57
Permanent jobs citing VoIP 476 456 734
As % of all permanent IT jobs advertised in London 0.85% 0.67% 0.99%
As % of the Communications & Networking category 6.63% 4.84% 6.62%
Number of salaries quoted 408 395 667
London median annual salary £37,500 £47,000 £50,000
Median salary % change year-on-year -20.21% -6.00% +11.11%
10th Percentile £25,000 £26,250 £28,000
90th Percentile £67,875 £73,750 £80,000
England median annual salary £37,500 £38,000 £41,750
% change year-on-year -1.32% -8.98% +5.70%

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 7,178 9,430 11,087
As % of all permanent IT jobs advertised in London 12.79% 13.75% 14.93%
Number of salaries quoted 5,823 7,742 9,059
London median annual salary £55,000 £55,000 £55,000
10th Percentile £28,750 £30,000 £30,000
90th Percentile £86,250 £85,000 £80,000
England median annual salary £45,800 £47,500 £45,000
% change year-on-year -3.58% +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 17 September 2019.

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 17 September 2019. 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 +52 153 £35,000 -36.36% 21
East London +44 19 £34,750 +15.83% 5
South London 0 17 £45,000 +39.53% 4
West London +7 16 £52,000 +89.09% 12
North London +16 14 £32,500 +30.00% 9
VoIP
England

For the 6 months to 17 September 2019, 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.

1 292 (61.34%) Windows
2 216 (45.38%) Active Directory
3 203 (42.65%) Office 365
4 188 (39.50%) Firewall
5 173 (36.34%) Microsoft
6 158 (33.19%) Cisco
7 140 (29.41%) Windows Server
8 138 (28.99%) WAN
9 137 (28.78%) Windows 10
10 134 (28.15%) LAN
11 124 (26.05%) ITIL
12 118 (24.79%) Microsoft Office
13 110 (23.11%) Wireless
14 102 (21.43%) DNS
15 96 (20.17%) Windows 7
16 91 (19.12%) Cisco Certification
17 89 (18.70%) VMware
18 87 (18.28%) TCP/IP
18 87 (18.28%) Azure
19 84 (17.65%) DHCP
20 82 (17.23%) VPN
21 79 (16.60%) Android
22 78 (16.39%) Problem-Solving
23 76 (15.97%) Finance
24 73 (15.34%) Degree
25 69 (14.50%) Linux
26 68 (14.29%) Wi-Fi
26 68 (14.29%) Hyper-V
27 66 (13.87%) Microsoft Certification
28 58 (12.18%) Telecoms

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 52 (10.92%) MS Exchange
2 36 (7.56%) Skype for Business
3 31 (6.51%) SharePoint
4 21 (4.41%) IIS
5 15 (3.15%) Exchange Server 2010
6 12 (2.52%) Apache
6 12 (2.52%) Confluence
7 11 (2.31%) Exchange Server 2013
7 11 (2.31%) Tomcat
8 6 (1.26%) Exchange Server 2007
9 4 (0.84%) Alfresco
9 4 (0.84%) Blackberry Enterprise Server
9 4 (0.84%) CMS
10 2 (0.42%) WordPress
11 1 (0.21%) nginx
Applications
1 118 (24.79%) Microsoft Office
2 12 (2.52%) Microsoft Excel
3 11 (2.31%) Microsoft PowerPoint
4 6 (1.26%) Adobe Creative Suite
4 6 (1.26%) CINEMA 4D
4 6 (1.26%) Maya
4 6 (1.26%) MODO
4 6 (1.26%) NUKE
5 1 (0.21%) MS Visio
Business Applications
1 7 (1.47%) Dynamics AX
1 7 (1.47%) Dynamics CRM
1 7 (1.47%) Q-Pulse
1 7 (1.47%) Sage CRM
2 3 (0.63%) Remedy ITSM
3 2 (0.42%) Sentinel
Cloud Services
1 203 (42.65%) Office 365
2 87 (18.28%) Azure
3 43 (9.03%) AWS
4 33 (6.93%) G Suite
5 14 (2.94%) SaaS
6 13 (2.73%) Azure Active Directory
7 11 (2.31%) Dropbox
8 10 (2.10%) Amazon S3
9 9 (1.89%) Slack
10 8 (1.68%) GCP
11 6 (1.26%) IaaS
11 6 (1.26%) OneDrive
12 5 (1.05%) OpenDNS
13 4 (0.84%) Amazon EC2
13 4 (0.84%) Amazon ECS
13 4 (0.84%) AWS Fargate
13 4 (0.84%) Virtual Private Cloud
14 3 (0.63%) PaaS
15 2 (0.42%) Mimecast
16 1 (0.21%) Adobe Creative Cloud
Communications & Networking
1 188 (39.50%) Firewall
2 138 (28.99%) WAN
3 134 (28.15%) LAN
4 110 (23.11%) Wireless
5 102 (21.43%) DNS
6 87 (18.28%) TCP/IP
7 84 (17.65%) DHCP
8 82 (17.23%) VPN
9 68 (14.29%) Wi-Fi
10 48 (10.08%) Network Security
11 40 (8.40%) Skype
12 39 (8.19%) Cisco ASA
13 37 (7.77%) MPLS
14 36 (7.56%) Internet
15 35 (7.35%) VLAN
16 33 (6.93%) PBX
17 32 (6.72%) WLAN
18 31 (6.51%) BGP
19 28 (5.88%) SAN
20 26 (5.46%) Unified Communications
Database & Business Intelligence
1 39 (8.19%) SQL Server
2 12 (2.52%) PostgreSQL
3 11 (2.31%) SQL Server 2012
4 8 (1.68%) MySQL
5 7 (1.47%) MongoDB
5 7 (1.47%) SQL Server 2014
5 7 (1.47%) SQL Server 2016
5 7 (1.47%) SQL Server 2017
6 6 (1.26%) Amazon RDS
6 6 (1.26%) Redis
7 3 (0.63%) SQL Server 2008
8 2 (0.42%) Data Warehouse
8 2 (0.42%) Electronic Patient Records
9 1 (0.21%) SQL Server 2005
Development Applications
1 29 (6.09%) JIRA
2 24 (5.04%) Git (software)
3 9 (1.89%) Bitbucket
3 9 (1.89%) VSS/SourceSafe
4 7 (1.47%) Visual Studio Team System
5 6 (1.26%) Gradle
6 5 (1.05%) Jenkins
7 1 (0.21%) GDB
7 1 (0.21%) Subversion
7 1 (0.21%) Team Foundation Server
7 1 (0.21%) Valgrind
7 1 (0.21%) Visual Studio
7 1 (0.21%) WinDbg
General
1 76 (15.97%) Finance
2 58 (12.18%) Telecoms
3 17 (3.57%) Marketing
4 16 (3.36%) Law
4 16 (3.36%) Retail
5 7 (1.47%) Legal
5 7 (1.47%) Manufacturing
6 5 (1.05%) Banking
6 5 (1.05%) Multimedia
7 3 (0.63%) French Language
8 2 (0.42%) Back Office
8 2 (0.42%) Games
8 2 (0.42%) German Language
9 1 (0.21%) Advertising
9 1 (0.21%) Billing
9 1 (0.21%) Pharmaceutical
9 1 (0.21%) Public Sector
Job Titles
1 108 (22.69%) IT Support
2 97 (20.38%) Analyst
3 85 (17.86%) Support Engineer
4 58 (12.18%) IT Engineer
5 52 (10.92%) 2nd Line Support
6 46 (9.66%) Support Analyst
7 44 (9.24%) IT Analyst
7 44 (9.24%) Network Engineer
8 40 (8.40%) Infrastructure Engineer
8 40 (8.40%) IT Support Engineer
9 38 (7.98%) IT Support Analyst
10 31 (6.51%) 2nd Line Engineer
11 29 (6.09%) 2nd Line Support Engineer
12 24 (5.04%) Desktop Support
12 24 (5.04%) IT Manager
13 22 (4.62%) Active Directory Support
13 22 (4.62%) Cisco Engineer
13 22 (4.62%) Junior
14 21 (4.41%) 1st/2nd Line Support
14 21 (4.41%) Active Directory Analyst
Libraries, Frameworks & Software Standards
1 17 (3.57%) XMPP
2 15 (3.15%) SAML
3 11 (2.31%) RESTful
3 11 (2.31%) WebRTC
4 9 (1.89%) OAuth
5 7 (1.47%) .NET
6 6 (1.26%) 802.1X
6 6 (1.26%) CGI
6 6 (1.26%) Dropwizard
6 6 (1.26%) Protocol Buffers
6 6 (1.26%) WebSockets
7 5 (1.05%) LDAP
8 4 (0.84%) Elastic Stack
8 4 (0.84%) REST
8 4 (0.84%) X-Windows
9 2 (0.42%) Web Services
10 1 (0.21%) COM
10 1 (0.21%) CSS
10 1 (0.21%) HTML
10 1 (0.21%) XML
Miscellaneous
1 47 (9.87%) iPhone
2 34 (7.14%) Self-Motivation
3 31 (6.51%) iPad
4 29 (6.09%) Analytical Skills
5 26 (5.46%) Video Conferencing
6 25 (5.25%) Data Centre
7 24 (5.04%) Management Information System
8 18 (3.78%) Driving Licence
9 14 (2.94%) Fat Client
9 14 (2.94%) Thin Client
10 11 (2.31%) Smartphone
11 10 (2.10%) Clustering
12 9 (1.89%) Blackberry
12 9 (1.89%) NHS
13 8 (1.68%) User Experience
14 7 (1.47%) CCTV
14 7 (1.47%) LIMS
15 6 (1.26%) Animation
15 6 (1.26%) CMDB
15 6 (1.26%) Handset
Operating Systems
1 292 (61.34%) Windows
2 140 (29.41%) Windows Server
3 137 (28.78%) Windows 10
4 96 (20.17%) Windows 7
5 79 (16.60%) Android
6 69 (14.50%) Linux
7 46 (9.66%) Windows Server 2012
8 39 (8.19%) Windows Server 2008
9 37 (7.77%) Mac OS X
10 34 (7.14%) Apple iOS
11 19 (3.99%) Windows 8
12 15 (3.15%) Mac OS
13 10 (2.10%) Windows Vista
14 7 (1.47%) Unix
15 6 (1.26%) Ubuntu
16 5 (1.05%) CentOS
17 2 (0.42%) Windows Server 2003
18 1 (0.21%) Debian
18 1 (0.21%) Red Hat Enterprise Linux
18 1 (0.21%) Windows XP
Processes & Methodologies
1 124 (26.05%) ITIL
2 78 (16.39%) Problem-Solving
3 45 (9.45%) Infrastructure Engineering
4 30 (6.30%) Asset Management
5 29 (6.09%) Time Management
6 26 (5.46%) Service Management
7 24 (5.04%) Agile Software Development
8 23 (4.83%) Change Management
8 23 (4.83%) Cybersecurity
8 23 (4.83%) Network Monitoring
9 22 (4.62%) Service Delivery
10 21 (4.41%) Computer Science
10 21 (4.41%) Migration
10 21 (4.41%) Network Management
10 21 (4.41%) Root Cause Analysis
11 20 (4.20%) Secure Coding
12 18 (3.78%) Mobile Device Management
13 17 (3.57%) Project Management
14 16 (3.36%) Scrum
15 15 (3.15%) Disaster Recovery
Programming Languages
1 53 (11.13%) SQL
2 43 (9.03%) PowerShell
3 23 (4.83%) Java
4 16 (3.36%) C++
5 12 (2.52%) Python
6 9 (1.89%) Bash Shell
6 9 (1.89%) Objective-C
7 8 (1.68%) C
8 6 (1.26%) Go
9 5 (1.05%) Ruby
10 3 (0.63%) Perl
11 2 (0.42%) PHP
11 2 (0.42%) Shell Script
11 2 (0.42%) Tcl
12 1 (0.21%) Embedded C
12 1 (0.21%) JavaScript
12 1 (0.21%) VBScript
Qualifications
1 91 (19.12%) Cisco Certification
2 73 (15.34%) Degree
3 66 (13.87%) Microsoft Certification
4 54 (11.34%) CCNA
4 54 (11.34%) CCNP
5 35 (7.35%) MCSE
6 30 (6.30%) MCSA
7 29 (6.09%) MCP
8 28 (5.88%) CCIE
9 26 (5.46%) MCITP
10 25 (5.25%) Security Cleared
11 16 (3.36%) Computer Science Degree
12 15 (3.15%) MCTS
13 11 (2.31%) SANS
14 10 (2.10%) CCIE Routing and Switching
15 7 (1.47%) VMware Certified Professional (VCP)
16 6 (1.26%) A+ Certification
17 5 (1.05%) DBS Check
17 5 (1.05%) ITIL Certification
17 5 (1.05%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 27 (5.67%) SLA
2 13 (2.73%) ISO/IEC 27001
3 9 (1.89%) GDPR
4 5 (1.05%) PCI DSS
5 2 (0.42%) Cyber Essentials
5 2 (0.42%) QA
6 1 (0.21%) GAMP
6 1 (0.21%) GxP
6 1 (0.21%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 1 (0.21%) MiFID
System Software
1 216 (45.38%) Active Directory
2 68 (14.29%) Hyper-V
3 50 (10.50%) VMware Infrastructure
4 24 (5.04%) Docker
5 13 (2.73%) vSphere
6 10 (2.10%) XenApp
7 8 (1.68%) BitLocker
8 6 (1.26%) XenDesktop
9 5 (1.05%) VMware ESXi
10 4 (0.84%) Terminal Services
11 2 (0.42%) Virtual Desktop
11 2 (0.42%) Virtual Machines
11 2 (0.42%) Virtual Servers
11 2 (0.42%) VMware Workstation
12 1 (0.21%) Firmware
12 1 (0.21%) ISA Server
12 1 (0.21%) KVM
12 1 (0.21%) NFS
12 1 (0.21%) Samba
12 1 (0.21%) VirtualBox
Systems Management
1 53 (11.13%) SCCM
2 22 (4.62%) Cisco CUCM
3 13 (2.73%) Cisco UCCX
3 13 (2.73%) WSUS
4 9 (1.89%) Ansible
5 8 (1.68%) Microsoft Intune
5 8 (1.68%) Single Sign-On
6 7 (1.47%) Backup Exec
7 6 (1.26%) vCenter Server
7 6 (1.26%) ZABBIX
8 5 (1.05%) AirWatch
8 5 (1.05%) Grafana
8 5 (1.05%) SCOM
9 4 (0.84%) Kubernetes
9 4 (0.84%) PaperCut
10 3 (0.63%) Cisco UCCE
10 3 (0.63%) Nagios
10 3 (0.63%) Puppet
11 2 (0.42%) SAP Afaria
12 1 (0.21%) XenMobile
Vendors
1 173 (36.34%) Microsoft
2 158 (33.19%) Cisco
3 89 (18.70%) VMware
4 39 (8.19%) Apple
5 36 (7.56%) Citrix
5 36 (7.56%) Meraki
6 32 (6.72%) HP
7 29 (6.09%) Dell
8 27 (5.67%) Google
8 27 (5.67%) Palo Alto
9 25 (5.25%) Polycom
10 19 (3.99%) Juniper
11 18 (3.78%) Avaya
12 17 (3.57%) EMC
13 16 (3.36%) CheckPoint
13 16 (3.36%) SolarWinds
14 14 (2.94%) Veeam
15 12 (2.52%) Adobe
15 12 (2.52%) Red Hat
16 10 (2.10%) NetApp