Period
to 26 July 2021

The following table provides summary statistics for permanent job vacancies 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 July 2021 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
UK
6 months to
26 Jul 2021
Same period 2020 Same period 2019
Rank 464 290 291
Rank change year-on-year -174 +1 +78
Permanent jobs citing VoIP 685 778 1,690
As % of all permanent jobs advertised in the UK 0.61% 1.10% 1.16%
As % of the Communications & Networking category 4.73% 7.21% 7.47%
Number of salaries quoted 561 656 1,449
10th Percentile £21,250 £26,000 £21,250
25th Percentile £28,000 £31,438 £26,750
Median annual salary (50th Percentile) £38,000 £42,500 £38,500
Median % change year-on-year -10.59% +10.39% -
75th Percentile £52,500 £56,250 £51,250
90th Percentile £68,750 £70,625 £60,000
UK excluding London median annual salary £33,875 £37,500 £38,000
% change year-on-year -9.67% -1.32% +1.33%

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 with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 14,493 10,791 22,633
As % of all permanent IT jobs advertised in the UK 12.88% 15.26% 15.58%
Number of salaries quoted 10,108 8,627 17,311
10th Percentile £28,000 £28,356 £25,750
25th Percentile £37,000 £36,250 £33,000
Median annual salary (50th Percentile) £50,000 £50,000 £45,024
Median % change year-on-year - +11.05% -4.21%
75th Percentile £67,500 £66,250 £62,500
90th Percentile £82,500 £80,000 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

VoIP
Job Vacancy Trend

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

Job vacancy trend for VoIP in the UK

VoIP
Salary Trend

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

Salary trend for VoIP in the UK

VoIP
Salary Histogram

Salary distribution for jobs citing VoIP over the 6 months to 26 July 2021.

Salary histogram for VoIP in the UK

VoIP
Top 16 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the UK over the 6 months to 26 July 2021. 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
England -174 604 £40,000 -5.88% 246
UK excluding London -110 458 £33,875 -9.67% 202
London -180 191 £50,000 - 60
North of England -37 146 £33,625 -9.23% 71
Work from Home -229 95 £45,000 -14.29% 35
South East -148 92 £45,000 +16.88% 42
North West +1 86 £36,250 -3.33% 44
Midlands -37 82 £32,000 -4.48% 26
South West -44 70 £35,000 - 31
West Midlands -28 61 £32,500 -35.00% 15
Yorkshire -46 52 £32,500 -14.87% 16
East of England -42 34 £30,500 -10.29% 16
Scotland -52 28 £30,000 -17.24% 6
East Midlands -45 21 £25,000 -9.09% 11
Wales -29 19 £37,500 -16.67% 9
North East -21 12 £27,250 -18.66% 11

For the 6 months to 26 July 2021, 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 with a requirement for VoIP.

1 352 (51.39%) Windows
2 310 (45.26%) Microsoft
3 300 (43.80%) Firewall
4 296 (43.21%) Active Directory
5 295 (43.07%) Microsoft 365
6 252 (36.79%) Cisco
7 213 (31.09%) Social Skills
8 204 (29.78%) Windows Server
9 200 (29.20%) Azure
10 183 (26.72%) VMware
11 174 (25.40%) LAN
12 164 (23.94%) WAN
13 153 (22.34%) DNS
14 150 (21.90%) VPN
15 132 (19.27%) Telecoms
16 125 (18.25%) TCP/IP
17 124 (18.10%) VMware Infrastructure
18 120 (17.52%) DHCP
19 118 (17.23%) Linux
20 117 (17.08%) Windows 10
21 115 (16.79%) Microsoft Office
21 115 (16.79%) Infrastructure Engineering
22 112 (16.35%) Cisco Certification
23 99 (14.45%) Hyper-V
24 98 (14.31%) PowerShell
25 92 (13.43%) Degree
26 91 (13.28%) ITIL
27 89 (12.99%) Problem-Solving
28 87 (12.70%) Windows Server 2012
29 84 (12.26%) Wi-Fi

VoIP
Co-occurring IT Skills 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 79 (11.53%) MS Exchange
2 70 (10.22%) SharePoint
3 31 (4.53%) IIS
4 16 (2.34%) Exchange Server 2013
5 14 (2.04%) Apache
5 14 (2.04%) Confluence
5 14 (2.04%) SAS
5 14 (2.04%) Skype for Business
6 13 (1.90%) Tomcat
7 10 (1.46%) nginx
8 7 (1.02%) CMS
8 7 (1.02%) SharePoint 2013
8 7 (1.02%) WordPress
9 6 (0.88%) OpenStack
9 6 (0.88%) SharePoint Server
10 5 (0.73%) Exchange Server 2010
10 5 (0.73%) Sitecore CMS
10 5 (0.73%) Umbraco
11 2 (0.29%) SharePoint 2010
11 2 (0.29%) WebLogic
Applications
1 115 (16.79%) Microsoft Office
2 21 (3.07%) Microsoft Excel
3 8 (1.17%) Microsoft PowerPoint
3 8 (1.17%) MS Visio
4 6 (0.88%) MicroStation
4 6 (0.88%) Revit
5 1 (0.15%) Microsoft Project
Business Applications
1 5 (0.73%) Sage 200
1 5 (0.73%) Unica
2 4 (0.58%) FastStats
3 3 (0.44%) Exchequer
3 3 (0.44%) Magento
3 3 (0.44%) Payment Gateway
3 3 (0.44%) Sage 300 ERP
3 3 (0.44%) Sage CRM
4 1 (0.15%) Dynamics NAV
4 1 (0.15%) NetSuite
4 1 (0.15%) Oracle CRM
4 1 (0.15%) Oracle Receivables
4 1 (0.15%) Salesforce.com CRM
4 1 (0.15%) Shopify
Cloud Services
1 295 (43.07%) Microsoft 365
2 200 (29.20%) Azure
3 75 (10.95%) AWS
4 52 (7.59%) Azure Active Directory
5 39 (5.69%) SaaS
6 37 (5.40%) Mimecast
7 24 (3.50%) OneDrive
8 23 (3.36%) IaaS
8 23 (3.36%) PaaS
9 12 (1.75%) Google Workspace
10 10 (1.46%) Cloudflare
11 9 (1.31%) WhatsApp
12 8 (1.17%) Azure Storage
13 5 (0.73%) GCP
14 4 (0.58%) Amazon S3
15 3 (0.44%) Adobe Creative Cloud
15 3 (0.44%) Cloud Computing
15 3 (0.44%) Power Platform
15 3 (0.44%) Route 53
15 3 (0.44%) Yammer
Communications & Networking
1 300 (43.80%) Firewall
2 174 (25.40%) LAN
3 164 (23.94%) WAN
4 153 (22.34%) DNS
5 150 (21.90%) VPN
6 125 (18.25%) TCP/IP
7 120 (17.52%) DHCP
8 84 (12.26%) Wi-Fi
9 80 (11.68%) SAN
10 78 (11.39%) Wireless
11 64 (9.34%) VLAN
12 50 (7.30%) BGP
12 50 (7.30%) MPLS
13 48 (7.01%) PBX
14 47 (6.86%) Unified Communications
15 46 (6.72%) Network Security
16 42 (6.13%) SSL
17 38 (5.55%) OSPF
18 35 (5.11%) Internet
19 30 (4.38%) WLAN
Database & Business Intelligence
1 62 (9.05%) SQL Server
2 13 (1.90%) MySQL
3 9 (1.31%) Amazon RDS
4 4 (0.58%) MS Access
4 4 (0.58%) SQL Server 2012
5 3 (0.44%) Crystal Reports
5 3 (0.44%) Data Vault
5 3 (0.44%) NoSQL
5 3 (0.44%) SQL Server Reporting Services
6 2 (0.29%) Oracle Database
6 2 (0.29%) Power BI
6 2 (0.29%) SQL Server 2008
7 1 (0.15%) Big Data
7 1 (0.15%) FileMaker
7 1 (0.15%) SQL Server 2016
7 1 (0.15%) SQL Server Analysis Services
7 1 (0.15%) SQL Server Integration Services
7 1 (0.15%) SQLite
Development Applications
1 28 (4.09%) JIRA
2 11 (1.61%) Git (software)
3 9 (1.31%) GDB
3 9 (1.31%) Selenium
3 9 (1.31%) Valgrind
4 6 (0.88%) Visual Studio
5 3 (0.44%) Jenkins
5 3 (0.44%) Robot Framework
6 2 (0.29%) Atlassian Bamboo
6 2 (0.29%) AutoIt
6 2 (0.29%) HP UFT
6 2 (0.29%) Rational Functional Tester
6 2 (0.29%) Sikuli
6 2 (0.29%) WinDbg
6 2 (0.29%) WinRunner
7 1 (0.15%) CircleCI
7 1 (0.15%) Rational DOORS
7 1 (0.15%) Sonatype Nexus
General
1 213 (31.09%) Social Skills
2 132 (19.27%) Telecoms
3 56 (8.18%) Analytical Skills
4 46 (6.72%) Finance
5 25 (3.65%) Manufacturing
6 21 (3.07%) Marketing
6 21 (3.07%) Organisational Skills
7 19 (2.77%) Public Sector
8 18 (2.63%) Legal
8 18 (2.63%) Presentation Skills
9 17 (2.48%) Automotive
9 17 (2.48%) Law
9 17 (2.48%) Retail
10 9 (1.31%) Advertising
11 7 (1.02%) Back Office
11 7 (1.02%) Documentation Skills
11 7 (1.02%) Pharmaceutical
12 6 (0.88%) Electronics
12 6 (0.88%) Local Government
12 6 (0.88%) Multimedia
Job Titles
1 108 (15.77%) Network Engineer
2 84 (12.26%) IT Support
3 83 (12.12%) Support Engineer
4 75 (10.95%) Analyst
5 69 (10.07%) Infrastructure Engineer
6 67 (9.78%) IT Engineer
7 57 (8.32%) Support Analyst
8 53 (7.74%) 2nd Line Support
9 41 (5.99%) IT Manager
10 37 (5.40%) Cisco Engineer
11 35 (5.11%) Administrator
12 32 (4.67%) IT Support Engineer
13 31 (4.53%) IT Analyst
14 27 (3.94%) IT Support Analyst
15 26 (3.80%) 2nd Line Engineer
15 26 (3.80%) Support Technician
16 25 (3.65%) 3rd Line Support
17 24 (3.50%) Developer
18 23 (3.36%) 3rd Line Engineer
18 23 (3.36%) Architect
Libraries, Frameworks & Software Standards
1 28 (4.09%) WebRTC
2 21 (3.07%) FreeSWITCH
3 11 (1.61%) 802.1X
4 9 (1.31%) Node.js
4 9 (1.31%) OAuth
5 8 (1.17%) CSS
5 8 (1.17%) HTML
5 8 (1.17%) LDAP
5 8 (1.17%) SAML
6 5 (0.73%) Elastic Stack
6 5 (0.73%) Web Services
7 4 (0.58%) Apache NiFi
7 4 (0.58%) ISPF
7 4 (0.58%) REST
7 4 (0.58%) STL
7 4 (0.58%) XMPP
8 3 (0.44%) .NET
8 3 (0.44%) GraphQL
9 2 (0.29%) AngularJS
9 2 (0.29%) OAuth2
Miscellaneous
1 74 (10.80%) Data Centre
2 40 (5.84%) Management Information System
3 31 (4.53%) Driving Licence
4 30 (4.38%) Self-Motivation
5 20 (2.92%) iPhone
5 20 (2.92%) Video Conferencing
6 15 (2.19%) Public Cloud
7 13 (1.90%) Fat Client
7 13 (1.90%) Replication
7 13 (1.90%) Thin Client
8 10 (1.46%) EPoS
8 10 (1.46%) Smartphone
9 9 (1.31%) iPad
9 9 (1.31%) IVR
9 9 (1.31%) Renewable Energy
9 9 (1.31%) User Experience
10 8 (1.17%) Life Science
11 7 (1.02%) Cloud Native
11 7 (1.02%) NHS
12 6 (0.88%) Hybrid Cloud
Operating Systems
1 352 (51.39%) Windows
2 204 (29.78%) Windows Server
3 118 (17.23%) Linux
4 117 (17.08%) Windows 10
5 87 (12.70%) Windows Server 2012
6 60 (8.76%) Windows Server 2019
7 59 (8.61%) Windows Server 2016
8 41 (5.99%) Android
8 41 (5.99%) Windows Server 2008
9 28 (4.09%) Apple iOS
10 24 (3.50%) Mac OS
11 20 (2.92%) Windows 7
12 17 (2.48%) CentOS
13 13 (1.90%) Debian
14 12 (1.75%) Windows Server 2003
15 10 (1.46%) Mac OS X
16 9 (1.31%) Red Hat Enterprise Linux
17 7 (1.02%) Unix
18 6 (0.88%) VMS
18 6 (0.88%) VyOS
Processes & Methodologies
1 115 (16.79%) Infrastructure Engineering
2 91 (13.28%) ITIL
3 89 (12.99%) Problem-Solving
4 51 (7.45%) Agile Software Development
5 49 (7.15%) Computer Science
6 39 (5.69%) Disaster Recovery
7 35 (5.11%) Migration
8 33 (4.82%) DevOps
8 33 (4.82%) Project Management
9 31 (4.53%) Network Design
10 30 (4.38%) High Availability
11 29 (4.23%) Network Monitoring
11 29 (4.23%) Project Delivery
12 27 (3.94%) Capacity Planning
13 26 (3.80%) Service Delivery
14 24 (3.50%) Mentoring
15 23 (3.36%) CRM
15 23 (3.36%) Incident Management
16 22 (3.21%) Load Balancing
17 21 (3.07%) Software Engineering
Programming Languages
1 98 (14.31%) PowerShell
2 60 (8.76%) SQL
3 54 (7.88%) Python
4 35 (5.11%) C
5 27 (3.94%) Bash Shell
6 15 (2.19%) C++
6 15 (2.19%) Go
7 13 (1.90%) JavaScript
8 10 (1.46%) PHP
9 9 (1.31%) Java
10 6 (0.88%) TypeScript
10 6 (0.88%) VB
11 5 (0.73%) Perl
11 5 (0.73%) R
11 5 (0.73%) T-SQL
12 4 (0.58%) Lua
12 4 (0.58%) Ruby
13 3 (0.44%) Apple Swift
13 3 (0.44%) Kotlin
14 2 (0.29%) Java 11
Qualifications
1 112 (16.35%) Cisco Certification
2 92 (13.43%) Degree
3 74 (10.80%) CCNA
4 55 (8.03%) CCNP
5 38 (5.55%) Microsoft Certification
6 34 (4.96%) Computer Science Degree
7 17 (2.48%) MCP
7 17 (2.48%) SC Cleared
7 17 (2.48%) Security Cleared
8 16 (2.34%) MCSA
9 14 (2.04%) MCSE
10 11 (1.61%) CCIE
10 11 (1.61%) JNCIA
10 11 (1.61%) MCITP
11 9 (1.31%) ITIL Certification
12 8 (1.17%) CCENT
12 8 (1.17%) CISSP
13 6 (0.88%) DV Cleared
13 6 (0.88%) ITIL Foundation Certificate
13 6 (0.88%) MCTS
Quality Assurance & Compliance
1 56 (8.18%) SLA
2 24 (3.50%) ISO/IEC 27001
3 15 (2.19%) Cyber Essentials
4 13 (1.90%) QA
5 11 (1.61%) PCI DSS
6 10 (1.46%) GDPR
7 8 (1.17%) Cyber Essentials PLUS
8 4 (0.58%) NIST
8 4 (0.58%) PMO
9 2 (0.29%) HIPAA
10 1 (0.15%) HAZOP
10 1 (0.15%) SOC 2
System Software
1 296 (43.21%) Active Directory
2 124 (18.10%) VMware Infrastructure
3 99 (14.45%) Hyper-V
4 33 (4.82%) vSphere
5 27 (3.94%) VMware ESXi
6 22 (3.21%) Virtual Machines
7 17 (2.48%) XenApp
8 16 (2.34%) XenDesktop
9 14 (2.04%) Virtual Servers
10 12 (1.75%) Terminal Services
11 11 (1.61%) Docker
12 10 (1.46%) OpenSIPS
13 9 (1.31%) Kamailio
13 9 (1.31%) KVM
14 6 (0.88%) iptables
14 6 (0.88%) QEMU
15 5 (0.73%) Virtual Desktop
15 5 (0.73%) VMware NSX
16 3 (0.44%) Firmware
17 2 (0.29%) Microsoft Virtual Server
Systems Management
1 37 (5.40%) SCCM
2 36 (5.26%) Microsoft Intune
3 24 (3.50%) Cisco CUCM
3 24 (3.50%) FortiGate
4 15 (2.19%) Cisco UCCX
5 13 (1.90%) Ansible
5 13 (1.90%) Kubernetes
6 12 (1.75%) Cisco Prime
7 11 (1.61%) WSUS
8 9 (1.31%) ServiceCenter
9 8 (1.17%) Active Directory Federation Services
9 8 (1.17%) SCOM
10 7 (1.02%) Nagios
11 6 (0.88%) Backup Exec
11 6 (0.88%) Galera Cluster
11 6 (0.88%) HAProxy
11 6 (0.88%) Microsoft Data Protection Manager
11 6 (0.88%) Symantec Endpoint Protection
11 6 (0.88%) ZABBIX
12 4 (0.58%) Suricata
Vendors
1 310 (45.26%) Microsoft
2 252 (36.79%) Cisco
3 183 (26.72%) VMware
4 61 (8.91%) HP
5 55 (8.03%) Citrix
6 52 (7.59%) Juniper
7 50 (7.30%) Avaya
7 50 (7.30%) Dell
7 50 (7.30%) Palo Alto
8 41 (5.99%) Mitel
9 38 (5.55%) Aruba
10 36 (5.26%) Meraki
11 33 (4.82%) SolarWinds
12 31 (4.53%) SonicWALL
13 30 (4.38%) Veeam
14 27 (3.94%) Sophos
15 25 (3.65%) Apple
16 22 (3.21%) CheckPoint
17 17 (2.48%) F5
17 17 (2.48%) Oracle