Period
to 26 September 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 26 September 2018 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
26 Sep 2018
Same period 2017 Same period 2016
Rank 416 342 276
Rank change year-on-year -74 -66 -4
Permanent jobs citing VoIP 466 726 987
As % of all permanent IT jobs advertised in London 0.68% 0.96% 1.26%
As % of the Communications & Networking category 4.96% 6.48% 7.99%
Number of salaries quoted 406 659 883
London median annual salary £47,500 £50,000 £45,000
Median salary % change year-on-year -5.00% +11.11% -
10th Percentile £26,250 £28,000 £26,250
90th Percentile £73,750 £80,000 £72,500
England median annual salary £38,000 £42,000 £39,500
% change year-on-year -9.52% +6.33% -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 9,395 11,206 12,348
As % of all permanent IT jobs advertised in London 13.66% 14.86% 15.76%
Number of salaries quoted 7,712 9,163 10,612
London median annual salary £55,000 £55,000 £53,000
Median salary % change year-on-year - +3.77% +6.00%
10th Percentile £30,000 £30,000 £29,750
90th Percentile £85,000 £80,000 £80,000
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 26 September 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 26 September 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 -54 115 £55,000 +10.00% 9
West London -12 28 £27,500 -38.89% 16
South London -1 18 £32,250 -28.33% 2
East London -27 5 £30,000 -29.41% 4
North London -1 4 £27,500 -42.71% 2
VoIP
England

For the 6 months to 26 September 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.

1 242 (51.93%) Windows
2 194 (41.63%) Cisco
3 179 (38.41%) Firewall
4 174 (37.34%) Microsoft
5 168 (36.05%) WAN
6 164 (35.19%) LAN
7 153 (32.83%) Active Directory
8 146 (31.33%) Office 365
9 140 (30.04%) VPN
10 127 (27.25%) VMware
11 113 (24.25%) TCP/IP
12 108 (23.18%) Windows Server
13 93 (19.96%) Cisco Certification
14 88 (18.88%) VMware Infrastructure
15 86 (18.45%) ITIL
16 81 (17.38%) DNS
16 81 (17.38%) Wireless
17 79 (16.95%) Finance
17 79 (16.95%) Citrix
18 77 (16.52%) Windows 10
19 76 (16.31%) Microsoft Office
20 74 (15.88%) Windows 7
21 70 (15.02%) Linux
22 69 (14.81%) Problem-Solving
23 68 (14.59%) MS Exchange
24 65 (13.95%) MPLS
25 64 (13.73%) DHCP
25 64 (13.73%) Infrastructure Engineering
25 64 (13.73%) Data Centre
26 63 (13.52%) VLAN

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 68 (14.59%) MS Exchange
2 53 (11.37%) Skype for Business
3 32 (6.87%) Exchange Server 2010
4 25 (5.36%) SharePoint
5 17 (3.65%) CMS
6 13 (2.79%) Exchange Server 2013
7 7 (1.50%) Apache
7 7 (1.50%) Confluence
8 6 (1.29%) Exchange Server 2007
9 5 (1.07%) IIS
10 4 (0.86%) nginx
11 3 (0.64%) Blackberry Enterprise Server
11 3 (0.64%) OpenStack
12 2 (0.43%) SharePoint Server
12 2 (0.43%) Tomcat
12 2 (0.43%) WordPress
13 1 (0.21%) JBoss
13 1 (0.21%) Joomla!
13 1 (0.21%) SAS
Applications
1 76 (16.31%) Microsoft Office
2 11 (2.36%) Microsoft Excel
2 11 (2.36%) MS Visio
3 7 (1.50%) Microsoft PowerPoint
4 2 (0.43%) Adobe Creative Suite
5 1 (0.21%) Mozilla Thunderbird
Business Applications
1 5 (1.07%) Dynamics CRM
2 3 (0.64%) Remedy ITSM
3 2 (0.43%) Eikon
3 2 (0.43%) Maximo
4 1 (0.21%) Carpe Diem
4 1 (0.21%) Dynamics AX
4 1 (0.21%) Dynamics NAV
4 1 (0.21%) NetSuite
4 1 (0.21%) Unit4 Business World
Cloud Services
1 146 (31.33%) Office 365
2 46 (9.87%) Microsoft Azure
3 36 (7.73%) Amazon AWS
4 27 (5.79%) G Suite
5 12 (2.58%) Cloud Computing
6 9 (1.93%) Amazon EC2
6 9 (1.93%) SaaS
7 8 (1.72%) Amazon S3
8 7 (1.50%) Azure Active Directory
8 7 (1.50%) OneDrive
9 6 (1.29%) IaaS
10 4 (0.86%) Mimecast
11 3 (0.64%) OpenDNS
12 2 (0.43%) Amazon CloudWatch
12 2 (0.43%) AWS CloudFormation
12 2 (0.43%) PaaS
12 2 (0.43%) Slack
13 1 (0.21%) Dropbox
13 1 (0.21%) Google Cloud Platform
13 1 (0.21%) Yammer
Communications & Networking
1 179 (38.41%) Firewall
2 168 (36.05%) WAN
3 164 (35.19%) LAN
4 140 (30.04%) VPN
5 113 (24.25%) TCP/IP
6 81 (17.38%) DNS
6 81 (17.38%) Wireless
7 65 (13.95%) MPLS
8 64 (13.73%) DHCP
9 63 (13.52%) VLAN
10 58 (12.45%) Unified Communications
11 55 (11.80%) Skype
12 52 (11.16%) Internet
13 50 (10.73%) BGP
14 47 (10.09%) OSPF
15 40 (8.58%) Network Security
16 38 (8.15%) WLAN
17 36 (7.73%) IPsec
18 32 (6.87%) Cisco Nexus
19 30 (6.44%) Wi-Fi
Database & Business Intelligence
1 20 (4.29%) SQL Server
2 7 (1.50%) Amazon RDS
2 7 (1.50%) MySQL
3 4 (0.86%) Data Warehouse
3 4 (0.86%) SQL Server 2008
3 4 (0.86%) SQL Server 2014
4 3 (0.64%) Big Data
4 3 (0.64%) DB2
4 3 (0.64%) Hadoop
4 3 (0.64%) SQL Server 2012
5 2 (0.43%) Oracle Database
5 2 (0.43%) PostgreSQL
5 2 (0.43%) Redis
6 1 (0.21%) Amazon DynamoDB
6 1 (0.21%) Blockchain
6 1 (0.21%) NoSQL
6 1 (0.21%) Power BI
Development Applications
1 22 (4.72%) JIRA
2 5 (1.07%) Selenium
2 5 (1.07%) VSS/SourceSafe
3 3 (0.64%) Atlassian Bamboo
3 3 (0.64%) Jenkins
4 2 (0.43%) HP UFT
4 2 (0.43%) PyCharm
4 2 (0.43%) Robot Framework
4 2 (0.43%) Sonatype Nexus
4 2 (0.43%) Vagrant
4 2 (0.43%) WinRunner
5 1 (0.21%) AutoIt
5 1 (0.21%) Git (software)
5 1 (0.21%) GitLab
5 1 (0.21%) JMeter
5 1 (0.21%) LoadRunner
5 1 (0.21%) NeoLoad
5 1 (0.21%) Rational Functional Tester
5 1 (0.21%) Sikuli
5 1 (0.21%) TeamCity
General
1 79 (16.95%) Finance
2 52 (11.16%) Telecoms
3 30 (6.44%) Legal
4 24 (5.15%) Retail
5 22 (4.72%) Banking
6 15 (3.22%) Law
7 7 (1.50%) Front Office
7 7 (1.50%) Manufacturing
8 6 (1.29%) Marketing
8 6 (1.29%) Multimedia
9 4 (0.86%) Local Government
10 3 (0.64%) Financial Institution
10 3 (0.64%) Pharmaceutical
11 2 (0.43%) Games
11 2 (0.43%) Investment Banking
12 1 (0.21%) Advertising
12 1 (0.21%) Back Office
12 1 (0.21%) Electronics
12 1 (0.21%) French Language
Job Titles
1 81 (17.38%) Support Engineer
2 76 (16.31%) Analyst
3 71 (15.24%) Network Engineer
4 47 (10.09%) Infrastructure Engineer
5 45 (9.66%) IT Support
6 40 (8.58%) Support Analyst
7 35 (7.51%) Voice Engineer
8 32 (6.87%) 2nd Line Support
9 29 (6.22%) IT Engineer
10 22 (4.72%) Cisco Engineer
10 22 (4.72%) Desktop Support
11 20 (4.29%) Network Infrastructure Engineer
11 20 (4.29%) Senior Network Engineer
12 19 (4.08%) 1st/2nd Line Support
12 19 (4.08%) IT Support Engineer
12 19 (4.08%) Technical Engineer
13 18 (3.86%) VoIP Engineer
14 17 (3.65%) Cisco Network Engineer
15 16 (3.43%) 2nd Line Engineer
15 16 (3.43%) 2nd Line Support Engineer
Libraries, Frameworks & Software Standards
1 25 (5.36%) 802.1X
2 15 (3.22%) XMPP
3 12 (2.58%) Middleware
4 7 (1.50%) Web Services
5 5 (1.07%) LDAP
6 4 (0.86%) Elastic Stack
6 4 (0.86%) HTML
7 3 (0.64%) CSS
7 3 (0.64%) REST
7 3 (0.64%) Software Packaging
8 2 (0.43%) React
9 1 (0.21%) Celery
9 1 (0.21%) CSS3
9 1 (0.21%) Jinja
9 1 (0.21%) Kafka
9 1 (0.21%) LESS
9 1 (0.21%) Node.js
9 1 (0.21%) RabbitMQ
9 1 (0.21%) Sass
9 1 (0.21%) WebRTC
Miscellaneous
1 64 (13.73%) Data Centre
2 43 (9.23%) Analytical Skills
3 41 (8.80%) Self-Motivation
4 33 (7.08%) Management Information System
5 32 (6.87%) Video Conferencing
6 28 (6.01%) Computer Science
7 17 (3.65%) NHS
8 14 (3.00%) Fintech
8 14 (3.00%) Virtual Team
9 10 (2.15%) EPoS
9 10 (2.15%) User Experience
10 9 (1.93%) Data Structures
10 9 (1.93%) iPhone
10 9 (1.93%) Private Cloud
11 8 (1.72%) IVR
12 7 (1.50%) Algorithms
12 7 (1.50%) Hedge funds
13 6 (1.29%) CCTV
13 6 (1.29%) PKI
14 5 (1.07%) BBC
Operating Systems
1 242 (51.93%) Windows
2 108 (23.18%) Windows Server
3 77 (16.52%) Windows 10
4 74 (15.88%) Windows 7
5 70 (15.02%) Linux
6 48 (10.30%) Windows Server 2008
7 29 (6.22%) Windows Server 2012
8 15 (3.22%) Mac OS X
9 13 (2.79%) Apple iOS
9 13 (2.79%) Unix
9 13 (2.79%) Windows Server 2003
10 12 (2.58%) Windows 8
11 8 (1.72%) Android
11 8 (1.72%) Mac OS
12 5 (1.07%) Solaris
13 3 (0.64%) CentOS
13 3 (0.64%) HPUX
13 3 (0.64%) zOS
14 2 (0.43%) Red Hat Enterprise Linux
14 2 (0.43%) Windows XP
Processes & Methodologies
1 86 (18.45%) ITIL
2 69 (14.81%) Problem-Solving
3 64 (13.73%) Infrastructure Engineering
4 39 (8.37%) Information Security
5 28 (6.01%) Project Management
5 28 (6.01%) Service Delivery
6 25 (5.36%) Network Architecture
6 25 (5.36%) Network Management
6 25 (5.36%) Time Management
7 24 (5.15%) Patch Management
8 23 (4.94%) High Availability
9 22 (4.72%) Network Design
10 20 (4.29%) CRM
11 19 (4.08%) Technical Architecture
12 18 (3.86%) Cybersecurity
12 18 (3.86%) Disaster Recovery
12 18 (3.86%) Kalman Filter
12 18 (3.86%) Presales
12 18 (3.86%) Vulnerability Assessment
13 16 (3.43%) Vulnerability Management
Programming Languages
1 21 (4.51%) PowerShell
2 18 (3.86%) Python
3 16 (3.43%) SQL
4 13 (2.79%) C
5 10 (2.15%) Bash Shell
6 9 (1.93%) Java
7 7 (1.50%) Perl
8 6 (1.29%) VB
9 5 (1.07%) VBScript
10 4 (0.86%) JavaScript
10 4 (0.86%) PHP
10 4 (0.86%) Ruby
11 3 (0.64%) C#
12 1 (0.21%) C++
12 1 (0.21%) Go
12 1 (0.21%) Java 8
Qualifications
1 93 (19.96%) Cisco Certification
2 55 (11.80%) CCNP
3 52 (11.16%) CCNA
4 45 (9.66%) Degree
5 34 (7.30%) Microsoft Certification
6 17 (3.65%) MCSE
7 14 (3.00%) CCIE
8 13 (2.79%) MCSA
9 11 (2.36%) CCVP
9 11 (2.36%) Security Cleared
10 10 (2.15%) Computer Science Degree
11 9 (1.93%) CISSP
12 7 (1.50%) CEH
12 7 (1.50%) CISM
12 7 (1.50%) MCP
12 7 (1.50%) SANS
13 5 (1.07%) A+ Certification
13 5 (1.07%) CREST Certified
13 5 (1.07%) ITIL Certification
13 5 (1.07%) MCITP
Quality Assurance & Compliance
1 27 (5.79%) SLA
2 22 (4.72%) ISO/IEC 27001
3 12 (2.58%) Cyber Essentials
4 11 (2.36%) Cyber Essentials PLUS
5 10 (2.15%) PCI DSS
6 9 (1.93%) QA
7 8 (1.72%) GDPR
8 3 (0.64%) COBIT
8 3 (0.64%) Sarbanes-Oxley
9 2 (0.43%) Solvency II
10 1 (0.21%) ISO 22301
10 1 (0.21%) PMO
System Software
1 153 (32.83%) Active Directory
2 88 (18.88%) VMware Infrastructure
3 19 (4.08%) Hyper-V
4 17 (3.65%) XenApp
5 11 (2.36%) vSphere
6 10 (2.15%) XenDesktop
7 9 (1.93%) Terminal Services
7 9 (1.93%) Virtual Desktop
8 8 (1.72%) Virtual Machines
9 7 (1.50%) Virtual Servers
10 5 (1.07%) Docker
11 3 (0.64%) VMware Server
12 2 (0.43%) DFS Replication
12 2 (0.43%) VMware ESXi
12 2 (0.43%) VMware Workstation
13 1 (0.21%) BitLocker
13 1 (0.21%) Firmware
13 1 (0.21%) Microsoft Virtual Server
13 1 (0.21%) Squid
13 1 (0.21%) Terminal Server
Systems Management
1 49 (10.52%) Cisco CUCM
2 21 (4.51%) SCCM
3 17 (3.65%) Backup Exec
4 11 (2.36%) Nagios
5 10 (2.15%) Cisco Prime
5 10 (2.15%) Microsoft Intune
6 8 (1.72%) SolarWinds Orion
6 8 (1.72%) WSUS
7 7 (1.50%) Jamf Pro
8 6 (1.29%) Ansible
9 5 (1.07%) FortiGate
9 5 (1.07%) Norton AntiVirus
10 4 (0.86%) Cacti
10 4 (0.86%) Opscode Chef
10 4 (0.86%) Puppet
10 4 (0.86%) Tivoli Storage Manager
11 3 (0.64%) Cisco UCCE
11 3 (0.64%) Cisco UCCX
11 3 (0.64%) Nessus
12 2 (0.43%) SCOM
Vendors
1 194 (41.63%) Cisco
2 174 (37.34%) Microsoft
3 127 (27.25%) VMware
4 79 (16.95%) Citrix
5 42 (9.01%) Palo Alto
6 39 (8.37%) Avaya
7 33 (7.08%) HP
8 31 (6.65%) SolarWinds
9 28 (6.01%) Google
9 28 (6.01%) Mitel
10 25 (5.36%) Veeam
11 22 (4.72%) CheckPoint
11 22 (4.72%) Juniper
12 21 (4.51%) F5
13 20 (4.29%) Meraki
14 19 (4.08%) Fortinet
15 16 (3.43%) Draytek
16 14 (3.00%) Polycom
16 14 (3.00%) ServiceNow
16 14 (3.00%) Symantec