Period
to 19 February 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 19 February 2020 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
19 Feb 2020
Same period 2019 Same period 2018
Rank 303 351 365
Rank change year-on-year +48 +14 -66
Permanent jobs citing VoIP 499 566 590
As % of all permanent IT jobs advertised in London 0.98% 0.90% 0.84%
As % of the Communications & Networking category 7.41% 6.82% 5.88%
Number of salaries quoted 451 488 546
London median annual salary £45,000 £50,000 £50,000
Median salary % change year-on-year -10.00% - +5.26%
10th Percentile £27,500 £27,500 £25,250
90th Percentile £72,000 £76,250 £80,000
England median annual salary £36,500 £40,000 £40,000
% change year-on-year -8.75% - -

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 6,730 8,296 10,031
As % of all permanent IT jobs advertised in London 13.20% 13.18% 14.35%
Number of salaries quoted 5,539 6,771 8,429
London median annual salary £55,000 £55,000 £55,000
10th Percentile £29,700 £30,000 £31,250
90th Percentile £85,000 £85,000 £82,500
England median annual salary £47,500 £47,500 £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 19 February 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 19 February 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 +44 133 £46,500 +3.33% 25
West London +8 43 £57,500 +15.00% 12
North London +13 26 £30,000 - 1
East London +18 22 £35,753 -36.72% 3
South London -1 18 £50,000 +5.26% 3
VoIP
England

For the 6 months to 19 February 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.

1 272 (54.51%) Windows
2 211 (42.28%) Cisco
3 209 (41.88%) Office 365
4 207 (41.48%) Active Directory
5 201 (40.28%) Firewall
6 186 (37.27%) Microsoft
7 162 (32.46%) Wireless
8 152 (30.46%) LAN
9 150 (30.06%) WAN
10 145 (29.06%) Cisco Certification
11 141 (28.26%) Windows 10
12 138 (27.66%) Azure
13 135 (27.05%) VMware
14 130 (26.05%) ITIL
15 122 (24.45%) Windows Server
16 119 (23.85%) DNS
17 115 (23.05%) VPN
18 114 (22.85%) DHCP
19 105 (21.04%) Degree
20 97 (19.44%) TCP/IP
20 97 (19.44%) CCNP
21 92 (18.44%) Microsoft Certification
22 91 (18.24%) Hyper-V
23 90 (18.04%) Microsoft Office
24 83 (16.63%) SCCM
24 83 (16.63%) Network Security
25 80 (16.03%) Skype
26 78 (15.63%) Windows 7
27 74 (14.83%) VMware Infrastructure
28 73 (14.63%) CCNA

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 56 (11.22%) MS Exchange
2 55 (11.02%) Skype for Business
3 38 (7.62%) SharePoint
4 21 (4.21%) Exchange Server 2010
5 15 (3.01%) IIS
6 7 (1.40%) JBoss
7 5 (1.00%) Apache
8 2 (0.40%) IBM Notes
8 2 (0.40%) nginx
9 1 (0.20%) Blackberry Enterprise Server
9 1 (0.20%) Exchange Server 2013
Applications
1 90 (18.04%) Microsoft Office
2 25 (5.01%) Microsoft Excel
3 22 (4.41%) Microsoft PowerPoint
4 18 (3.61%) MS Visio
5 1 (0.20%) Adobe Illustrator
5 1 (0.20%) InDesign
5 1 (0.20%) Photoshop
Business Applications
1 7 (1.40%) Dynamics AX
1 7 (1.40%) Dynamics CRM
2 1 (0.20%) Dynamics NAV
2 1 (0.20%) Magento
2 1 (0.20%) Remedy ITSM
2 1 (0.20%) Sparx Enterprise Architect
Cloud Services
1 209 (41.88%) Office 365
2 138 (27.66%) Azure
3 66 (13.23%) AWS
4 18 (3.61%) Azure Active Directory
4 18 (3.61%) SaaS
5 15 (3.01%) OneDrive
5 15 (3.01%) PaaS
6 13 (2.61%) Cloud Computing
6 13 (2.61%) G Suite
7 9 (1.80%) GCP
8 5 (1.00%) AWS Lambda
8 5 (1.00%) Serverless
9 4 (0.80%) Salesforce Sales Cloud
9 4 (0.80%) Salesforce Service Cloud
10 3 (0.60%) IaaS
11 2 (0.40%) Adobe Creative Cloud
11 2 (0.40%) Dynamics 365
11 2 (0.40%) Mimecast
11 2 (0.40%) Power Platform
12 1 (0.20%) Slack
Communications & Networking
1 201 (40.28%) Firewall
2 162 (32.46%) Wireless
3 152 (30.46%) LAN
4 150 (30.06%) WAN
5 119 (23.85%) DNS
6 115 (23.05%) VPN
7 114 (22.85%) DHCP
8 97 (19.44%) TCP/IP
9 83 (16.63%) Network Security
10 80 (16.03%) Skype
11 63 (12.63%) SAN
12 58 (11.62%) Internet
12 58 (11.62%) IPsec
13 55 (11.02%) BGP
14 52 (10.42%) MPLS
15 51 (10.22%) OSPF
16 49 (9.82%) Wi-Fi
17 42 (8.42%) Cisco ASA
18 40 (8.02%) VLAN
19 33 (6.61%) Unified Communications
Database & Business Intelligence
1 24 (4.81%) SQL Server
2 5 (1.00%) MySQL
3 3 (0.60%) SQL Server 2008
3 3 (0.60%) SQL Server 2014
4 2 (0.40%) Amazon RDS
4 2 (0.40%) Power BI
5 1 (0.20%) Data Warehouse
5 1 (0.20%) PostgreSQL
5 1 (0.20%) SQL Server 2012
Development Applications
1 35 (7.01%) VSS/SourceSafe
2 4 (0.80%) Git (software)
2 4 (0.80%) JIRA
3 3 (0.60%) Subversion
4 2 (0.40%) Jenkins
4 2 (0.40%) Redmine
5 1 (0.20%) Visual Studio
General
1 67 (13.43%) Telecoms
2 63 (12.63%) Finance
3 33 (6.61%) Marketing
4 26 (5.21%) Law
5 19 (3.81%) Retail
6 18 (3.61%) Banking
6 18 (3.61%) Legal
7 12 (2.40%) Back Office
7 12 (2.40%) French Language
8 10 (2.00%) Billing
9 6 (1.20%) Advertising
10 4 (0.80%) Public Sector
11 3 (0.60%) Games
11 3 (0.60%) German Language
12 2 (0.40%) Electronics
12 2 (0.40%) Financial Institution
12 2 (0.40%) Housing Association
12 2 (0.40%) Investment Banking
12 2 (0.40%) Manufacturing
12 2 (0.40%) Multimedia
Job Titles
1 108 (21.64%) Network Engineer
2 92 (18.44%) Support Engineer
3 88 (17.64%) IT Support
4 65 (13.03%) Analyst
5 55 (11.02%) IT Engineer
6 45 (9.02%) IT Support Engineer
7 43 (8.62%) Infrastructure Engineer
7 43 (8.62%) Senior Network Engineer
8 41 (8.22%) 2nd Line Support
9 40 (8.02%) Support Analyst
10 31 (6.21%) IT Analyst
10 31 (6.21%) Technical Support
11 27 (5.41%) Team Leader
12 26 (5.21%) IT Support Analyst
12 26 (5.21%) Technical Leader
13 23 (4.61%) Cisco Engineer
13 23 (4.61%) Technical Team Leader
13 23 (4.61%) VoIP Engineer
14 22 (4.41%) Architect
15 20 (4.01%) Voice Engineer
Libraries, Frameworks & Software Standards
1 16 (3.21%) XMPP
2 7 (1.40%) RESTful
2 7 (1.40%) Web Services
3 6 (1.20%) REST
3 6 (1.20%) X-Windows
4 5 (1.00%) WebSockets
5 4 (0.80%) Ajax
5 4 (0.80%) CSS
5 4 (0.80%) DHTML
5 4 (0.80%) HTML
5 4 (0.80%) WebRTC
5 4 (0.80%) XML
6 3 (0.60%) 802.1X
6 3 (0.60%) Core Data
6 3 (0.60%) Node.js
6 3 (0.60%) UIKit
7 2 (0.40%) FreeSWITCH
7 2 (0.40%) JSON
7 2 (0.40%) SAML
7 2 (0.40%) YAML
Miscellaneous
1 48 (9.62%) Video Conferencing
2 39 (7.82%) Data Centre
3 32 (6.41%) iPhone
4 23 (4.61%) Self-Motivation
5 17 (3.41%) Analytical Skills
6 15 (3.01%) iPad
6 15 (3.01%) Public Cloud
7 14 (2.81%) Linux Command Line
8 13 (2.61%) Blackberry
8 13 (2.61%) Driving Licence
8 13 (2.61%) Management Information System
9 12 (2.40%) Handset
10 8 (1.60%) CCTV
10 8 (1.60%) Replication
10 8 (1.60%) User Experience
11 7 (1.40%) PKI
12 5 (1.00%) CMDB
12 5 (1.00%) Hedge funds
12 5 (1.00%) Hybrid Cloud
12 5 (1.00%) Mobile App
Operating Systems
1 272 (54.51%) Windows
2 141 (28.26%) Windows 10
3 122 (24.45%) Windows Server
4 78 (15.63%) Windows 7
5 48 (9.62%) Windows Server 2012
6 39 (7.82%) Android
7 38 (7.62%) Linux
8 28 (5.61%) Mac OS X
9 21 (4.21%) Apple iOS
10 13 (2.61%) Windows Server 2008
11 12 (2.40%) Windows 8
12 9 (1.80%) Windows Vista
13 8 (1.60%) Mac OS
13 8 (1.60%) Unix
14 1 (0.20%) Windows XP
Processes & Methodologies
1 130 (26.05%) ITIL
2 73 (14.63%) Problem-Solving
3 57 (11.42%) Infrastructure Engineering
4 47 (9.42%) Migration
5 29 (5.81%) Project Management
6 26 (5.21%) Computer Science
6 26 (5.21%) CRM
6 26 (5.21%) Load Balancing
6 26 (5.21%) Network Monitoring
7 24 (4.81%) Mentoring
8 23 (4.61%) Asset Management
8 23 (4.61%) Statistics
9 21 (4.21%) Agile Software Development
9 21 (4.21%) SIEM
9 21 (4.21%) Stakeholder Management
10 19 (3.81%) Change Management
10 19 (3.81%) Service Management
11 17 (3.41%) ERP
11 17 (3.41%) Root Cause Analysis
12 15 (3.01%) Data Protection
Programming Languages
1 63 (12.63%) PowerShell
2 25 (5.01%) SQL
3 17 (3.41%) Python
4 11 (2.20%) Java
5 10 (2.00%) Bash Shell
6 8 (1.60%) Go
7 7 (1.40%) JavaScript
7 7 (1.40%) VBScript
8 5 (1.00%) C
9 4 (0.80%) Apex Code
9 4 (0.80%) C++
10 3 (0.60%) Apple Swift
10 3 (0.60%) Objective-C
11 2 (0.40%) Perl
11 2 (0.40%) PHP
11 2 (0.40%) Shell Script
Qualifications
1 145 (29.06%) Cisco Certification
2 105 (21.04%) Degree
3 97 (19.44%) CCNP
4 92 (18.44%) Microsoft Certification
5 73 (14.63%) CCNA
6 48 (9.62%) MCSE
7 40 (8.02%) MCP
7 40 (8.02%) MCSA
8 34 (6.81%) CCIE
9 23 (4.61%) Computer Science Degree
9 23 (4.61%) VMware Certified Professional (VCP)
10 22 (4.41%) CCDP
10 22 (4.41%) MCITP
11 20 (4.01%) ITIL Foundation Certificate
12 15 (3.01%) JNCIA
13 12 (2.40%) CCDA
13 12 (2.40%) MCTS
14 9 (1.80%) A+ Certification
15 7 (1.40%) Network+ Certification
15 7 (1.40%) Server+ Certification
Quality Assurance & Compliance
1 22 (4.41%) SLA
2 8 (1.60%) GDPR
3 5 (1.00%) Cyber Essentials
4 4 (0.80%) ISO/IEC 27001
5 3 (0.60%) QA
6 1 (0.20%) GAMP
6 1 (0.20%) GxP
System Software
1 207 (41.48%) Active Directory
2 91 (18.24%) Hyper-V
3 74 (14.83%) VMware Infrastructure
4 16 (3.21%) XenDesktop
5 14 (2.81%) VMware ESXi
6 9 (1.80%) Firmware
7 6 (1.20%) VMware NSX
8 5 (1.00%) vSphere
9 4 (0.80%) XenApp
10 3 (0.60%) Virtual Desktop
11 2 (0.40%) Kamailio
11 2 (0.40%) Terminal Services
11 2 (0.40%) Virtual Machines
11 2 (0.40%) VMware Workstation
12 1 (0.20%) Docker
12 1 (0.20%) NFS
Systems Management
1 83 (16.63%) SCCM
2 44 (8.82%) Microsoft Intune
3 26 (5.21%) Cisco CUCM
4 16 (3.21%) AirWatch
4 16 (3.21%) Cisco UCCX
5 12 (2.40%) Ansible
5 12 (2.40%) Backup Exec
6 11 (2.20%) vCenter Server
7 9 (1.80%) FortiGate
7 9 (1.80%) Puppet
8 8 (1.60%) SolarWinds Orion
9 6 (1.20%) Cisco CME
10 3 (0.60%) Jamf Pro
10 3 (0.60%) McAfee ePO
10 3 (0.60%) Single Sign-On
11 2 (0.40%) HAProxy
11 2 (0.40%) Salt
11 2 (0.40%) Terraform
12 1 (0.20%) HP NNM
12 1 (0.20%) SCOM
Vendors
1 211 (42.28%) Cisco
2 186 (37.27%) Microsoft
3 135 (27.05%) VMware
4 60 (12.02%) Palo Alto
5 59 (11.82%) HP
6 43 (8.62%) Citrix
7 39 (7.82%) Meraki
8 30 (6.01%) Juniper
9 25 (5.01%) Avaya
9 25 (5.01%) SolarWinds
10 21 (4.21%) Mitel
11 17 (3.41%) Dell Compellent
11 17 (3.41%) Veeam
12 16 (3.21%) Huawei
13 15 (3.01%) ServiceNow
14 14 (2.81%) Apple
14 14 (2.81%) Draytek
14 14 (2.81%) EMC
14 14 (2.81%) Polycom
14 14 (2.81%) Sophos