Period
to 5 April 2020

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 5 April 2020 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
5 Apr 2020
Same period 2019 Same period 2018
Rank 299 348 373
Rank change year-on-year +49 +25 -81
Permanent jobs citing VoIP 487 544 557
As % of all permanent jobs advertised in London 1.02% 0.89% 0.80%
As % of the Communications & Networking category 7.73% 6.81% 5.52%
Number of salaries quoted 458 469 526
Median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% -
10th Percentile £28,500 £26,500 £25,625
90th Percentile £75,000 £76,250 £83,750
England median annual salary £38,500 £40,000 £40,000
% change year-on-year -3.75% - -

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 6,304 7,984 10,087
As % of all permanent IT jobs advertised in London 13.16% 13.01% 14.44%
Number of salaries quoted 5,117 6,501 8,418
Median annual salary £55,000 £55,000 £55,000
10th Percentile £30,000 £29,650 £31,250
90th Percentile £85,000 £86,250 £82,500
England median annual salary £47,500 £47,500 £46,500
% change year-on-year - +2.15% +3.33%

VoIP
Job Vacancy Trend in London

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

Job vacancy trend for VoIP in London

VoIP
Salary Trend in London

3-month moving average salary quoted in jobs citing VoIP in London.

Salary trend for VoIP in London

VoIP
Salary Histogram in London

Salary distribution for jobs citing VoIP in London over the 6 months to 5 April 2020.

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 5 April 2020. 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 +53 127 £50,000 +42.86% 10
West London -1 40 £55,000 +10.00% 3
North London +7 19 £35,000 -26.32%
South London +5 19 £41,500 -12.63% 1
East London +1 12 £35,753 -28.50% 2
VoIP
England

For the 6 months to 5 April 2020, 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.

1 235 (48.25%) Windows
2 226 (46.41%) Cisco
3 211 (43.33%) Firewall
4 178 (36.55%) Office 365
5 176 (36.14%) Active Directory
6 162 (33.26%) Microsoft
7 156 (32.03%) Wireless
8 151 (31.01%) Cisco Certification
9 141 (28.95%) WAN
10 135 (27.72%) LAN
11 128 (26.28%) VMware
12 123 (25.26%) Windows 10
13 122 (25.05%) Azure
14 118 (24.23%) Windows Server
15 113 (23.20%) DNS
16 108 (22.18%) VPN
16 108 (22.18%) CCNP
17 103 (21.15%) Degree
18 100 (20.53%) DHCP
19 99 (20.33%) TCP/IP
20 93 (19.10%) ITIL
21 89 (18.28%) Network Security
22 82 (16.84%) Microsoft Office
23 78 (16.02%) Problem-Solving
24 77 (15.81%) Microsoft Certification
24 77 (15.81%) Hyper-V
25 71 (14.58%) Telecoms
26 70 (14.37%) AWS
27 69 (14.17%) VMware Infrastructure
28 67 (13.76%) SCCM

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 46 (9.45%) MS Exchange
2 38 (7.80%) Skype for Business
3 37 (7.60%) SharePoint
4 16 (3.29%) Exchange Server 2010
5 13 (2.67%) IIS
6 7 (1.44%) JBoss
7 4 (0.82%) Apache
8 2 (0.41%) Confluence
8 2 (0.41%) IBM Notes
9 1 (0.21%) Exchange Server 2013
9 1 (0.21%) nginx
9 1 (0.21%) Tomcat
Applications
1 82 (16.84%) Microsoft Office
2 24 (4.93%) Microsoft Excel
3 22 (4.52%) Microsoft PowerPoint
4 20 (4.11%) MS Visio
5 1 (0.21%) Adobe Illustrator
5 1 (0.21%) InDesign
5 1 (0.21%) Photoshop
Business Applications
1 7 (1.44%) Dynamics AX
1 7 (1.44%) Dynamics CRM
2 1 (0.21%) Dynamics NAV
2 1 (0.21%) FastStats
2 1 (0.21%) Magento
2 1 (0.21%) Sparx Enterprise Architect
2 1 (0.21%) Unica
Cloud Services
1 178 (36.55%) Office 365
2 122 (25.05%) Azure
3 70 (14.37%) AWS
4 20 (4.11%) SaaS
5 16 (3.29%) GCP
6 15 (3.08%) Azure Active Directory
6 15 (3.08%) OneDrive
6 15 (3.08%) PaaS
7 12 (2.46%) G Suite
8 11 (2.26%) Cloud Computing
9 4 (0.82%) AWS Lambda
9 4 (0.82%) Salesforce Sales Cloud
9 4 (0.82%) Salesforce Service Cloud
9 4 (0.82%) Serverless
10 3 (0.62%) IaaS
10 3 (0.62%) Mimecast
10 3 (0.62%) TestFlight
11 2 (0.41%) Adobe Creative Cloud
11 2 (0.41%) Dynamics 365
11 2 (0.41%) Power Platform
Communications & Networking
1 211 (43.33%) Firewall
2 156 (32.03%) Wireless
3 141 (28.95%) WAN
4 135 (27.72%) LAN
5 113 (23.20%) DNS
6 108 (22.18%) VPN
7 100 (20.53%) DHCP
8 99 (20.33%) TCP/IP
9 89 (18.28%) Network Security
10 67 (13.76%) MPLS
11 61 (12.53%) Skype
12 60 (12.32%) BGP
12 60 (12.32%) IPsec
13 59 (12.11%) SAN
14 58 (11.91%) OSPF
15 53 (10.88%) Internet
16 52 (10.68%) Wi-Fi
17 40 (8.21%) WLAN
18 39 (8.01%) Cisco ASA
18 39 (8.01%) VLAN
Database & Business Intelligence
1 22 (4.52%) SQL Server
2 12 (2.46%) MySQL
3 6 (1.23%) NoSQL
4 4 (0.82%) PostgreSQL
5 3 (0.62%) SQL Server 2008
6 2 (0.41%) Data Warehouse
6 2 (0.41%) Power BI
6 2 (0.41%) SQL Server 2014
7 1 (0.21%) Relational Database
7 1 (0.21%) SQL Server 2012
Development Applications
1 33 (6.78%) VSS/SourceSafe
2 9 (1.85%) JIRA
3 8 (1.64%) Git (software)
4 3 (0.62%) Subversion
4 3 (0.62%) Visual Studio
4 3 (0.62%) Xcode
5 2 (0.41%) Redmine
6 1 (0.21%) Grunt
6 1 (0.21%) Jenkins
6 1 (0.21%) Phing
6 1 (0.21%) PHPUnit
6 1 (0.21%) webpack
General
1 71 (14.58%) Telecoms
2 59 (12.11%) Finance
3 27 (5.54%) Marketing
4 23 (4.72%) Law
5 18 (3.70%) Legal
6 15 (3.08%) Banking
7 12 (2.46%) Back Office
7 12 (2.46%) Retail
8 10 (2.05%) Billing
9 8 (1.64%) French Language
10 6 (1.23%) Advertising
11 4 (0.82%) Public Sector
12 2 (0.41%) Electronics
12 2 (0.41%) Games
12 2 (0.41%) Housing Association
12 2 (0.41%) Investment Banking
12 2 (0.41%) Manufacturing
12 2 (0.41%) Military
12 2 (0.41%) Multimedia
12 2 (0.41%) Pharmaceutical
Job Titles
1 116 (23.82%) Network Engineer
2 76 (15.61%) Support Engineer
3 71 (14.58%) IT Support
4 55 (11.29%) Analyst
5 48 (9.86%) IT Engineer
6 44 (9.03%) Infrastructure Engineer
7 40 (8.21%) Senior Network Engineer
8 38 (7.80%) IT Support Engineer
9 37 (7.60%) 2nd Line Support
10 33 (6.78%) Support Analyst
10 33 (6.78%) VoIP Engineer
11 25 (5.13%) Cisco Engineer
11 25 (5.13%) Technical Support
12 23 (4.72%) IT Analyst
12 23 (4.72%) Team Leader
13 20 (4.11%) Developer
13 20 (4.11%) Voice Engineer
14 18 (3.70%) 2nd Line Support Engineer
14 18 (3.70%) Architect
14 18 (3.70%) IT Support Analyst
Libraries, Frameworks & Software Standards
1 22 (4.52%) XMPP
2 20 (4.11%) REST
3 18 (3.70%) WebRTC
4 12 (2.46%) Web Services
5 9 (1.85%) RESTful
6 6 (1.23%) FreeSWITCH
6 6 (1.23%) X-Windows
7 5 (1.03%) 802.1X
7 5 (1.03%) CSS
7 5 (1.03%) HTML
7 5 (1.03%) JSON
7 5 (1.03%) Node.js
8 4 (0.82%) Ajax
8 4 (0.82%) DHTML
8 4 (0.82%) SAML
8 4 (0.82%) WebSockets
8 4 (0.82%) XML
9 3 (0.62%) OAuth
9 3 (0.62%) OAuth2
9 3 (0.62%) UIKit
Miscellaneous
1 46 (9.45%) Video Conferencing
2 45 (9.24%) Data Centre
3 22 (4.52%) Analytical Skills
4 20 (4.11%) Linux Command Line
5 18 (3.70%) iPhone
6 16 (3.29%) Public Cloud
7 13 (2.67%) Handset
8 12 (2.46%) Driving Licence
8 12 (2.46%) Management Information System
8 12 (2.46%) Self-Motivation
9 11 (2.26%) Blackberry
9 11 (2.26%) Hybrid Cloud
9 11 (2.26%) User Experience
10 9 (1.85%) iPad
11 7 (1.44%) Greenfield Project
12 6 (1.23%) CCTV
13 5 (1.03%) Distributed Denial-of-Service
13 5 (1.03%) Hedge funds
13 5 (1.03%) Mobile App
13 5 (1.03%) Replication
Operating Systems
1 235 (48.25%) Windows
2 123 (25.26%) Windows 10
3 118 (24.23%) Windows Server
4 55 (11.29%) Linux
5 52 (10.68%) Windows 7
6 40 (8.21%) Windows Server 2012
6 40 (8.21%) Windows Server 2016
7 30 (6.16%) Android
8 25 (5.13%) Apple iOS
9 22 (4.52%) Mac OS X
10 12 (2.46%) Windows 8
10 12 (2.46%) Windows Server 2008
11 10 (2.05%) Mac OS
12 8 (1.64%) Unix
13 6 (1.23%) CentOS
14 5 (1.03%) Windows Vista
15 3 (0.62%) Windows Server 2019
16 1 (0.21%) Windows XP
Processes & Methodologies
1 93 (19.10%) ITIL
2 78 (16.02%) Problem-Solving
3 56 (11.50%) Infrastructure Engineering
4 53 (10.88%) Migration
5 37 (7.60%) Project Management
6 34 (6.98%) Computer Science
7 32 (6.57%) CRM
7 32 (6.57%) Network Monitoring
8 27 (5.54%) Load Balancing
9 25 (5.13%) Agile Software Development
9 25 (5.13%) Statistics
10 22 (4.52%) Root Cause Analysis
11 21 (4.31%) Asset Management
12 20 (4.11%) Network Management
12 20 (4.11%) Service Management
13 18 (3.70%) SIEM
13 18 (3.70%) Stakeholder Management
14 17 (3.49%) Mentoring
14 17 (3.49%) Project Delivery
15 16 (3.29%) ERP
Programming Languages
1 66 (13.55%) PowerShell
2 29 (5.95%) Python
3 25 (5.13%) SQL
4 14 (2.87%) Java
5 12 (2.46%) Bash Shell
6 10 (2.05%) Go
6 10 (2.05%) JavaScript
7 9 (1.85%) C
8 7 (1.44%) C++
8 7 (1.44%) VBScript
9 6 (1.23%) Apple Swift
10 4 (0.82%) Apex Code
11 3 (0.62%) C#
11 3 (0.62%) Objective-C
12 2 (0.41%) Perl
12 2 (0.41%) PHP
13 1 (0.21%) Shell Script
13 1 (0.21%) T-SQL
Qualifications
1 151 (31.01%) Cisco Certification
2 108 (22.18%) CCNP
3 103 (21.15%) Degree
4 77 (15.81%) Microsoft Certification
5 61 (12.53%) CCNA
6 32 (6.57%) MCP
6 32 (6.57%) MCSE
7 30 (6.16%) Computer Science Degree
8 29 (5.95%) MCSA
9 27 (5.54%) CCIE
10 22 (4.52%) CCDP
11 21 (4.31%) JNCIA
12 14 (2.87%) CCDA
12 14 (2.87%) ITIL Foundation Certificate
12 14 (2.87%) MCITP
13 12 (2.46%) VMware Certified Professional (VCP)
14 10 (2.05%) JNCIS
15 9 (1.85%) MCTS
16 7 (1.44%) CCIE Collaboration
17 5 (1.03%) CCVP
Quality Assurance & Compliance
1 25 (5.13%) SLA
2 10 (2.05%) GDPR
3 4 (0.82%) Cyber Essentials
4 3 (0.62%) QA
5 2 (0.41%) HIPAA
6 1 (0.21%) ISO/IEC 27001
System Software
1 176 (36.14%) Active Directory
2 77 (15.81%) Hyper-V
3 69 (14.17%) VMware Infrastructure
4 21 (4.31%) VMware ESXi
5 16 (3.29%) Firmware
6 15 (3.08%) XenDesktop
7 12 (2.46%) Kamailio
8 10 (2.05%) Docker
9 6 (1.23%) VMware NSX
10 4 (0.82%) vSphere
11 3 (0.62%) Virtual Desktop
11 3 (0.62%) VMware Workstation
12 1 (0.21%) BitLocker
12 1 (0.21%) NFS
12 1 (0.21%) Terminal Services
12 1 (0.21%) XenApp
Systems Management
1 67 (13.76%) SCCM
2 38 (7.80%) Microsoft Intune
3 27 (5.54%) Cisco CUCM
4 23 (4.72%) Ansible
5 20 (4.11%) Cisco UCCX
6 13 (2.67%) Backup Exec
7 11 (2.26%) AirWatch
7 11 (2.26%) vCenter Server
8 8 (1.64%) FortiGate
8 8 (1.64%) SolarWinds Orion
8 8 (1.64%) Terraform
9 6 (1.23%) Kubernetes
10 5 (1.03%) Cisco CME
10 5 (1.03%) Puppet
11 4 (0.82%) McAfee ePO
11 4 (0.82%) Single Sign-On
12 3 (0.62%) Cisco Prime
13 2 (0.41%) Nagios
13 2 (0.41%) Salt
14 1 (0.21%) Jamf Pro
Vendors
1 226 (46.41%) Cisco
2 162 (33.26%) Microsoft
3 128 (26.28%) VMware
4 59 (12.11%) Palo Alto
5 48 (9.86%) HP
6 44 (9.03%) Citrix
7 39 (8.01%) Juniper
8 34 (6.98%) Meraki
9 30 (6.16%) SolarWinds
10 27 (5.54%) Avaya
11 20 (4.11%) Huawei
12 17 (3.49%) Mitel
13 16 (3.29%) Apple
13 16 (3.29%) Sophos
14 15 (3.08%) Dell
14 15 (3.08%) EMC
15 14 (2.87%) Dell Compellent
15 14 (2.87%) Veeam
16 13 (2.67%) Draytek
16 13 (2.67%) Salesforce.com