Period
to 18 October 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 18 October 2021 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
UK
6 months to
18 Oct 2021
Same period 2020 Same period 2019
Rank 481 308 297
Rank change year-on-year -173 -11 +65
Permanent jobs citing VoIP 745 498 1,552
As % of all permanent jobs advertised in the UK 0.59% 1.04% 1.13%
As % of the Communications & Networking category 4.60% 6.80% 7.27%
Number of salaries quoted 641 437 1,348
10th Percentile £24,000 £26,250 £21,250
25th Percentile £30,250 £33,266 £27,500
Median annual salary (50th Percentile) £40,500 £45,000 £36,500
Median % change year-on-year -10.00% +23.29% -2.67%
75th Percentile £53,750 £57,500 £52,500
90th Percentile £70,000 £65,000 £62,500
UK excluding London median annual salary £36,100 £40,250 £37,500
% change year-on-year -10.31% +7.33% +7.14%

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 16,186 7,325 21,337
As % of all permanent IT jobs advertised in the UK 12.92% 15.29% 15.54%
Number of salaries quoted 11,162 5,976 16,637
10th Percentile £27,500 £30,000 £25,750
25th Percentile £36,250 £37,500 £32,500
Median annual salary (50th Percentile) £50,000 £50,000 £45,800
Median % change year-on-year - +9.17% -3.58%
75th Percentile £68,750 £67,500 £62,500
90th Percentile £85,000 £81,250 £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 18 October 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 18 October 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 -170 662 £40,214 -10.64% 225
UK excluding London -121 506 £36,100 -10.31% 183
London -183 219 £51,000 +2.00% 59
North of England -37 171 £35,000 -21.35% 55
Work from Home -212 134 £45,000 - 24
South East -157 118 £47,500 +18.75% 44
North West -29 108 £39,000 +6.85% 34
Midlands -84 78 £42,500 +6.25% 31
South West -56 69 £33,000 -25.84% 21
West Midlands -80 64 £45,000 -14.29% 17
Yorkshire -66 62 £37,875 -24.25% 13
East of England -92 52 £42,000 -20.00% 15
Wales -23 41 £45,000 - 10
North East -18 25 £42,500 -15.00% 8
Scotland -75 23 £30,000 -20.00% 6
East Midlands -85 13 £22,000 -41.33% 14

For the 6 months to 18 October 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.

1 364 (48.86%) Firewall
2 362 (48.59%) Windows
3 328 (44.03%) Microsoft 365
4 318 (42.68%) Microsoft
5 306 (41.07%) Active Directory
6 276 (37.05%) Cisco
7 228 (30.60%) Windows Server
8 215 (28.86%) Azure
9 203 (27.25%) WAN
10 201 (26.98%) LAN
10 201 (26.98%) VPN
11 197 (26.44%) Social Skills
12 182 (24.43%) VMware
13 157 (21.07%) DNS
14 143 (19.19%) TCP/IP
15 138 (18.52%) Cisco Certification
16 132 (17.72%) DHCP
17 121 (16.24%) Linux
18 120 (16.11%) Windows 10
19 112 (15.03%) Infrastructure Engineering
19 112 (15.03%) Hyper-V
20 111 (14.90%) VMware Infrastructure
21 107 (14.36%) Wi-Fi
22 106 (14.23%) CCNA
23 100 (13.42%) Telecoms
24 96 (12.89%) PowerShell
25 93 (12.48%) Microsoft Office
26 91 (12.21%) Problem-Solving
27 88 (11.81%) Degree
28 87 (11.68%) VLAN

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 68 (9.13%) MS Exchange
2 57 (7.65%) SharePoint
3 30 (4.03%) IIS
4 17 (2.28%) Skype for Business
5 15 (2.01%) CMS
6 14 (1.88%) Confluence
7 13 (1.74%) WordPress
8 12 (1.61%) Apache
9 11 (1.48%) Sitecore CMS
9 11 (1.48%) Umbraco
10 10 (1.34%) SAS
11 8 (1.07%) OpenStack
11 8 (1.07%) Tomcat
12 6 (0.81%) Exchange Server 2013
13 2 (0.27%) Exchange Server 2010
13 2 (0.27%) nginx
13 2 (0.27%) SharePoint 2013
14 1 (0.13%) Exchange Server 2007
14 1 (0.13%) Oracle SOA Suite
14 1 (0.13%) SharePoint 2010
Applications
1 93 (12.48%) Microsoft Office
2 19 (2.55%) MS Visio
3 12 (1.61%) Microsoft Excel
4 8 (1.07%) Microsoft PowerPoint
5 6 (0.81%) MicroStation
5 6 (0.81%) Revit
Business Applications
1 11 (1.48%) Sage 200
2 6 (0.81%) Unica
3 4 (0.54%) FastStats
4 3 (0.40%) Exchequer
4 3 (0.40%) Payment Gateway
5 2 (0.27%) Dynamics NAV
5 2 (0.27%) Magento
5 2 (0.27%) NetSuite
5 2 (0.27%) Sage 300 ERP
5 2 (0.27%) Sage CRM
6 1 (0.13%) Oracle Receivables
6 1 (0.13%) Salesforce.com CRM
6 1 (0.13%) Shopify
Cloud Services
1 328 (44.03%) Microsoft 365
2 215 (28.86%) Azure
3 72 (9.66%) AWS
4 51 (6.85%) Azure Active Directory
5 42 (5.64%) Mimecast
6 35 (4.70%) SaaS
7 29 (3.89%) IaaS
8 28 (3.76%) PaaS
9 27 (3.62%) OneDrive
10 18 (2.42%) Google Workspace
11 16 (2.15%) Cloudflare
12 8 (1.07%) Azure Storage
13 7 (0.94%) Amazon S3
13 7 (0.94%) WhatsApp
14 6 (0.81%) GCP
14 6 (0.81%) OpenDNS
14 6 (0.81%) Virtual Private Cloud
15 5 (0.67%) Adobe Creative Cloud
15 5 (0.67%) Cloud Computing
15 5 (0.67%) Route 53
Communications & Networking
1 364 (48.86%) Firewall
2 203 (27.25%) WAN
3 201 (26.98%) LAN
3 201 (26.98%) VPN
4 157 (21.07%) DNS
5 143 (19.19%) TCP/IP
6 132 (17.72%) DHCP
7 107 (14.36%) Wi-Fi
8 87 (11.68%) VLAN
9 70 (9.40%) MPLS
10 68 (9.13%) SAN
11 67 (8.99%) BGP
12 60 (8.05%) Network Security
13 59 (7.92%) OSPF
14 58 (7.79%) PBX
15 56 (7.52%) SSL
16 54 (7.25%) Wireless
17 46 (6.17%) IPsec
18 40 (5.37%) Internet
19 39 (5.23%) Unified Communications
Database & Business Intelligence
1 57 (7.65%) SQL Server
2 7 (0.94%) Amazon RDS
2 7 (0.94%) MySQL
3 4 (0.54%) SQL Server 2008
4 3 (0.40%) Data Vault
4 3 (0.40%) SQL Server 2012
4 3 (0.40%) SQL Server 2016
4 3 (0.40%) SQLite
5 2 (0.27%) Crystal Reports
5 2 (0.27%) MS Access
5 2 (0.27%) NoSQL
5 2 (0.27%) Power BI
5 2 (0.27%) SQL Server 2019
5 2 (0.27%) SQL Server Reporting Services
6 1 (0.13%) Azure SQL Database
6 1 (0.13%) Data Warehouse
6 1 (0.13%) FileMaker
6 1 (0.13%) SQL Server Analysis Services
6 1 (0.13%) SQL Server Integration Services
Development Applications
1 33 (4.43%) JIRA
2 23 (3.09%) Selenium
3 13 (1.74%) Visual Studio
4 7 (0.94%) GDB
4 7 (0.94%) Git (software)
4 7 (0.94%) Valgrind
5 4 (0.54%) Postman
6 2 (0.27%) Jenkins
7 1 (0.13%) Atlassian Bamboo
7 1 (0.13%) AutoIt
7 1 (0.13%) Gerrit
7 1 (0.13%) HP UFT
7 1 (0.13%) Jasmine
7 1 (0.13%) Mocha
7 1 (0.13%) Rational DOORS
7 1 (0.13%) Rational Functional Tester
7 1 (0.13%) Robot Framework
7 1 (0.13%) Sikuli
7 1 (0.13%) Subversion
7 1 (0.13%) WinRunner
General
1 197 (26.44%) Social Skills
2 100 (13.42%) Telecoms
3 65 (8.72%) Finance
4 34 (4.56%) Manufacturing
5 31 (4.16%) Analytical Skills
6 23 (3.09%) Organisational Skills
7 22 (2.95%) Law
8 21 (2.82%) Marketing
9 20 (2.68%) Legal
10 19 (2.55%) Advertising
11 18 (2.42%) Public Sector
12 15 (2.01%) Pharmaceutical
12 15 (2.01%) Retail
13 12 (1.61%) Automotive
14 11 (1.48%) Multimedia
15 8 (1.07%) French Language
15 8 (1.07%) German Language
15 8 (1.07%) Presentation Skills
16 7 (0.94%) Banking
16 7 (0.94%) Local Government
Job Titles
1 138 (18.52%) Network Engineer
2 105 (14.09%) Support Engineer
3 96 (12.89%) IT Support
4 93 (12.48%) IT Engineer
5 78 (10.47%) Infrastructure Engineer
6 61 (8.19%) Analyst
7 54 (7.25%) IT Manager
8 49 (6.58%) IT Support Engineer
9 43 (5.77%) Cisco Engineer
9 43 (5.77%) Support Analyst
10 37 (4.97%) 2nd Line Support
11 33 (4.43%) 2nd Line Engineer
12 31 (4.16%) Administrator
13 28 (3.76%) Cisco Network Engineer
14 24 (3.22%) IT Analyst
14 24 (3.22%) Systems Engineer
15 23 (3.09%) IT Support Analyst
16 22 (2.95%) Architect
17 21 (2.82%) Systems Administrator
18 20 (2.68%) Consultant
Libraries, Frameworks & Software Standards
1 20 (2.68%) WebRTC
2 11 (1.48%) 802.1X
2 11 (1.48%) FreeSWITCH
3 8 (1.07%) LDAP
3 8 (1.07%) Node.js
3 8 (1.07%) XMPP
4 7 (0.94%) OAuth
5 6 (0.81%) HTML
5 6 (0.81%) SAML
5 6 (0.81%) Web Services
6 5 (0.67%) CSS
7 4 (0.54%) Apache NiFi
7 4 (0.54%) Elastic Stack
7 4 (0.54%) ISPF
7 4 (0.54%) STL
8 3 (0.40%) GStreamer
9 2 (0.27%) GraphQL
9 2 (0.27%) React
9 2 (0.27%) REST
9 2 (0.27%) YAML
Miscellaneous
1 73 (9.80%) Data Centre
2 43 (5.77%) Self-Motivation
3 33 (4.43%) Driving Licence
4 31 (4.16%) Management Information System
5 26 (3.49%) Video Conferencing
6 18 (2.42%) User Experience
7 16 (2.15%) iPhone
7 16 (2.15%) Public Cloud
8 11 (1.48%) Fat Client
8 11 (1.48%) Smartphone
8 11 (1.48%) Thin Client
9 10 (1.34%) EPoS
10 9 (1.21%) NHS
10 9 (1.21%) Renewable Energy
11 8 (1.07%) Life Science
11 8 (1.07%) PKI
12 7 (0.94%) Cloud Native
12 7 (0.94%) Linux Command Line
12 7 (0.94%) Replication
13 5 (0.67%) Hybrid Cloud
Operating Systems
1 362 (48.59%) Windows
2 228 (30.60%) Windows Server
3 121 (16.24%) Linux
4 120 (16.11%) Windows 10
5 76 (10.20%) Windows Server 2012
6 64 (8.59%) Windows Server 2019
7 55 (7.38%) Windows Server 2016
8 39 (5.23%) Android
9 32 (4.30%) Apple iOS
10 29 (3.89%) Windows Server 2008
11 25 (3.36%) Windows 7
12 24 (3.22%) Mac OS
13 17 (2.28%) VyOS
14 15 (2.01%) Mac OS X
15 14 (1.88%) Windows Server 2003
16 9 (1.21%) CentOS
17 7 (0.94%) VMS
18 6 (0.81%) Windows 8
19 5 (0.67%) Ubuntu
20 3 (0.40%) AIX
Processes & Methodologies
1 112 (15.03%) Infrastructure Engineering
2 91 (12.21%) Problem-Solving
3 82 (11.01%) ITIL
4 57 (7.65%) Network Design
5 53 (7.11%) Disaster Recovery
6 52 (6.98%) Network Monitoring
7 47 (6.31%) Service Delivery
8 44 (5.91%) Agile Software Development
9 40 (5.37%) Migration
10 39 (5.23%) Computer Science
11 37 (4.97%) Incident Management
11 37 (4.97%) Project Management
12 31 (4.16%) DevOps
13 30 (4.03%) High Availability
14 29 (3.89%) Change Management
15 27 (3.62%) IT Strategy
16 26 (3.49%) Problem Management
17 25 (3.36%) BCP
17 25 (3.36%) CRM
17 25 (3.36%) Project Delivery
Programming Languages
1 96 (12.89%) PowerShell
2 65 (8.72%) SQL
3 47 (6.31%) Python
4 28 (3.76%) Bash Shell
5 25 (3.36%) C
6 12 (1.61%) Go
7 10 (1.34%) C++
8 7 (0.94%) Java
8 7 (0.94%) JavaScript
9 6 (0.81%) R
9 6 (0.81%) T-SQL
10 5 (0.67%) Apple Swift
11 4 (0.54%) Objective-C
11 4 (0.54%) Perl
11 4 (0.54%) PHP
11 4 (0.54%) Ruby
12 2 (0.27%) Kotlin
12 2 (0.27%) TypeScript
12 2 (0.27%) VB
12 2 (0.27%) VBScript
Qualifications
1 138 (18.52%) Cisco Certification
2 106 (14.23%) CCNA
3 88 (11.81%) Degree
4 67 (8.99%) CCNP
5 47 (6.31%) Microsoft Certification
6 26 (3.49%) Computer Science Degree
7 25 (3.36%) JNCIA
8 22 (2.95%) Security Cleared
9 20 (2.68%) MCP
10 18 (2.42%) CCIE
10 18 (2.42%) MCSA
10 18 (2.42%) SC Cleared
11 14 (1.88%) ITIL Certification
12 12 (1.61%) MCITP
13 11 (1.48%) DV Cleared
13 11 (1.48%) MCSE
14 9 (1.21%) CCENT
14 9 (1.21%) MCTS
15 8 (1.07%) CISSP
16 7 (0.94%) DBS Check
Quality Assurance & Compliance
1 68 (9.13%) SLA
2 28 (3.76%) ISO/IEC 27001
3 16 (2.15%) GDPR
4 15 (2.01%) Cyber Essentials
5 9 (1.21%) PCI DSS
6 6 (0.81%) Cyber Essentials PLUS
7 5 (0.67%) QA
8 4 (0.54%) NIST
8 4 (0.54%) PMO
9 2 (0.27%) HIPAA
9 2 (0.27%) ISO 9001
10 1 (0.13%) Data Quality
10 1 (0.13%) HAZOP
10 1 (0.13%) SOC 2
System Software
1 306 (41.07%) Active Directory
2 112 (15.03%) Hyper-V
3 111 (14.90%) VMware Infrastructure
4 25 (3.36%) vSphere
5 21 (2.82%) Virtual Machines
6 16 (2.15%) Firmware
6 16 (2.15%) Virtual Servers
7 11 (1.48%) XenApp
8 9 (1.21%) VMware ESXi
8 9 (1.21%) XenDesktop
9 8 (1.07%) Terminal Services
10 6 (0.81%) Docker
11 4 (0.54%) Kamailio
11 4 (0.54%) OpenSIPS
12 2 (0.27%) DFS Replication
12 2 (0.27%) iptables
12 2 (0.27%) KVM
12 2 (0.27%) MetaFrame
12 2 (0.27%) QEMU
12 2 (0.27%) Virtual Desktop
Systems Management
1 49 (6.58%) Microsoft Intune
2 36 (4.83%) SCCM
3 23 (3.09%) FortiGate
4 22 (2.95%) Cisco CUCM
5 17 (2.28%) Nagios
6 14 (1.88%) WSUS
7 12 (1.61%) Cisco UCCX
8 11 (1.48%) Ansible
9 10 (1.34%) Jamf Pro
10 8 (1.07%) Kubernetes
11 7 (0.94%) Cisco Prime
12 6 (0.81%) Active Directory Federation Services
12 6 (0.81%) Backup Exec
12 6 (0.81%) Symantec Endpoint Protection
13 5 (0.67%) Microsoft Data Protection Manager
13 5 (0.67%) SCOM
14 4 (0.54%) ServiceCenter
15 3 (0.40%) Puppet
16 2 (0.27%) Cisco UCCE
16 2 (0.27%) ZABBIX
Vendors
1 318 (42.68%) Microsoft
2 276 (37.05%) Cisco
3 182 (24.43%) VMware
4 82 (11.01%) Juniper
5 62 (8.32%) Palo Alto
6 60 (8.05%) Meraki
7 48 (6.44%) Aruba
8 45 (6.04%) Mitel
9 44 (5.91%) Dell
10 43 (5.77%) Citrix
11 41 (5.50%) SolarWinds
12 39 (5.23%) Avaya
13 38 (5.10%) HP
14 37 (4.97%) Veeam
15 34 (4.56%) Apple
16 32 (4.30%) Sophos
17 28 (3.76%) CheckPoint
18 25 (3.36%) Fortinet
19 23 (3.09%) F5
19 23 (3.09%) SonicWALL