Period
to 29 July 2021

The following table provides summary statistics for permanent job vacancies advertised in England 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 29 July 2021 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
UK > England
6 months to
29 Jul 2021
Same period 2020 Same period 2019
Rank 463 295 286
Rank change year-on-year -168 -9 +88
Permanent jobs citing VoIP 615 682 1,579
As % of all permanent jobs advertised in England 0.62% 1.07% 1.19%
As % of the Communications & Networking category 4.70% 6.95% 7.52%
Number of salaries quoted 503 582 1,363
10th Percentile £21,050 £26,000 £21,250
25th Percentile £28,563 £31,250 £27,000
Median annual salary (50th Percentile) £40,000 £42,500 £38,750
Median % change year-on-year -5.88% +9.68% +0.32%
75th Percentile £53,750 £57,500 £51,250
90th Percentile £68,750 £71,125 £60,000
UK median annual salary £39,500 £42,500 £38,500
% change year-on-year -7.06% +10.39% -

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 England with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
England
Permanent vacancies with a requirement for communications or computer networking skills 13,077 9,809 21,005
As % of all permanent IT jobs advertised in England 13.08% 15.44% 15.78%
Number of salaries quoted 9,200 7,925 16,144
10th Percentile £28,000 £28,500 £25,750
25th Percentile £36,844 £36,250 £33,000
Median annual salary (50th Percentile) £50,000 £50,000 £46,000
Median % change year-on-year - +8.70% -3.16%
75th Percentile £67,500 £67,500 £62,500
90th Percentile £82,500 £80,000 £77,500
UK median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -3.23%

VoIP
Job Vacancy Trend in England

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

Job vacancy trend for VoIP in England

VoIP
Salary Trend in England

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

Salary trend for VoIP in England

VoIP
Salary Histogram in England

Salary distribution for jobs citing VoIP in England over the 6 months to 29 July 2021.

Salary histogram for VoIP in England

VoIP
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the England region over the 6 months to 29 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
London -171 195 £50,000 - 61
North of England -25 150 £35,000 -6.67% 73
South East -156 95 £45,000 +16.88% 45
North West -5 89 £38,500 +2.67% 45
Midlands -37 87 £32,500 -5.80% 26
South West -65 70 £35,000 - 30
West Midlands -22 66 £32,500 -35.00% 14
Yorkshire -61 55 £36,500 -4.39% 16
East of England -50 34 £33,000 -2.94% 15
East Midlands -44 21 £25,000 -9.09% 11
North East -28 14 £30,000 -10.45% 12
VoIP
UK

For the 6 months to 29 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 across the England region with a requirement for VoIP.

1 298 (48.46%) Windows
2 278 (45.20%) Firewall
3 267 (43.41%) Active Directory
4 265 (43.09%) Microsoft
5 260 (42.28%) Microsoft 365
6 227 (36.91%) Cisco
7 190 (30.89%) Social Skills
8 172 (27.97%) Azure
9 171 (27.80%) Windows Server
10 153 (24.88%) LAN
10 153 (24.88%) VMware
11 146 (23.74%) WAN
12 141 (22.93%) VPN
13 129 (20.98%) DNS
14 121 (19.67%) Telecoms
15 110 (17.89%) TCP/IP
15 110 (17.89%) Cisco Certification
16 106 (17.24%) Windows 10
17 103 (16.75%) VMware Infrastructure
18 99 (16.10%) DHCP
19 97 (15.77%) Microsoft Office
20 93 (15.12%) Infrastructure Engineering
21 91 (14.80%) Linux
22 89 (14.47%) PowerShell
23 86 (13.98%) ITIL
24 83 (13.50%) Windows Server 2012
25 81 (13.17%) Degree
26 79 (12.85%) Hyper-V
27 78 (12.68%) Problem-Solving
28 74 (12.03%) Wi-Fi

VoIP
Co-occurring IT Skills in England 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 69 (11.22%) MS Exchange
2 59 (9.59%) SharePoint
3 26 (4.23%) IIS
4 16 (2.60%) Exchange Server 2013
5 14 (2.28%) SAS
6 13 (2.11%) Apache
6 13 (2.11%) Confluence
7 11 (1.79%) Tomcat
8 10 (1.63%) nginx
9 8 (1.30%) CMS
10 7 (1.14%) OpenStack
10 7 (1.14%) SharePoint 2013
10 7 (1.14%) WordPress
11 6 (0.98%) Sitecore CMS
11 6 (0.98%) Umbraco
12 5 (0.81%) Exchange Server 2010
12 5 (0.81%) SharePoint Server
12 5 (0.81%) Skype for Business
13 2 (0.33%) SharePoint 2010
14 1 (0.16%) Oracle SOA Suite
Applications
1 97 (15.77%) Microsoft Office
2 19 (3.09%) Microsoft Excel
3 6 (0.98%) Microsoft PowerPoint
3 6 (0.98%) MicroStation
3 6 (0.98%) Revit
4 1 (0.16%) Microsoft Project
4 1 (0.16%) MS Visio
Business Applications
1 6 (0.98%) Sage 200
2 5 (0.81%) Unica
3 4 (0.65%) FastStats
4 3 (0.49%) Exchequer
4 3 (0.49%) Magento
4 3 (0.49%) Payment Gateway
4 3 (0.49%) Sage 300 ERP
4 3 (0.49%) Sage CRM
5 1 (0.16%) Dynamics NAV
5 1 (0.16%) NetSuite
5 1 (0.16%) Oracle CRM
5 1 (0.16%) Oracle Receivables
5 1 (0.16%) Salesforce.com CRM
5 1 (0.16%) Shopify
Cloud Services
1 260 (42.28%) Microsoft 365
2 172 (27.97%) Azure
3 65 (10.57%) AWS
4 46 (7.48%) Azure Active Directory
5 37 (6.02%) SaaS
6 34 (5.53%) Mimecast
7 20 (3.25%) IaaS
7 20 (3.25%) PaaS
8 13 (2.11%) Google Workspace
8 13 (2.11%) OneDrive
9 10 (1.63%) Cloudflare
10 9 (1.46%) WhatsApp
11 8 (1.30%) Azure Storage
12 5 (0.81%) GCP
13 4 (0.65%) Amazon S3
14 3 (0.49%) Adobe Creative Cloud
14 3 (0.49%) Cloud Computing
14 3 (0.49%) Route 53
14 3 (0.49%) Virtual Private Cloud
14 3 (0.49%) Yammer
Communications & Networking
1 278 (45.20%) Firewall
2 153 (24.88%) LAN
3 146 (23.74%) WAN
4 141 (22.93%) VPN
5 129 (20.98%) DNS
6 110 (17.89%) TCP/IP
7 99 (16.10%) DHCP
8 74 (12.03%) Wi-Fi
9 67 (10.89%) SAN
10 61 (9.92%) Wireless
11 54 (8.78%) VLAN
12 52 (8.46%) MPLS
13 46 (7.48%) BGP
14 43 (6.99%) PBX
15 38 (6.18%) Network Security
15 38 (6.18%) Unified Communications
16 37 (6.02%) SSL
17 34 (5.53%) OSPF
18 33 (5.37%) Internet
19 30 (4.88%) WLAN
Database & Business Intelligence
1 59 (9.59%) SQL Server
2 11 (1.79%) MySQL
3 9 (1.46%) Amazon RDS
4 4 (0.65%) MS Access
4 4 (0.65%) SQL Server 2012
5 3 (0.49%) Crystal Reports
5 3 (0.49%) Data Vault
5 3 (0.49%) NoSQL
5 3 (0.49%) SQL Server Reporting Services
6 2 (0.33%) Oracle Database
6 2 (0.33%) SQL Server 2008
6 2 (0.33%) SQLite
7 1 (0.16%) Big Data
7 1 (0.16%) Power BI
7 1 (0.16%) SQL Server 2016
7 1 (0.16%) SQL Server Analysis Services
7 1 (0.16%) SQL Server Integration Services
Development Applications
1 28 (4.55%) JIRA
2 11 (1.79%) Git (software)
3 9 (1.46%) GDB
3 9 (1.46%) Valgrind
4 7 (1.14%) Visual Studio
5 3 (0.49%) Jenkins
5 3 (0.49%) Robot Framework
5 3 (0.49%) Selenium
6 2 (0.33%) Atlassian Bamboo
6 2 (0.33%) AutoIt
6 2 (0.33%) HP UFT
6 2 (0.33%) Rational Functional Tester
6 2 (0.33%) Sikuli
6 2 (0.33%) WinRunner
7 1 (0.16%) CircleCI
7 1 (0.16%) Rational DOORS
7 1 (0.16%) Sonatype Nexus
General
1 190 (30.89%) Social Skills
2 121 (19.67%) Telecoms
3 55 (8.94%) Analytical Skills
4 41 (6.67%) Finance
5 25 (4.07%) Manufacturing
6 21 (3.41%) Marketing
7 19 (3.09%) Legal
8 18 (2.93%) Law
8 18 (2.93%) Organisational Skills
9 17 (2.76%) Public Sector
10 16 (2.60%) Presentation Skills
11 13 (2.11%) Retail
12 12 (1.95%) Automotive
13 7 (1.14%) Back Office
14 6 (0.98%) Documentation Skills
14 6 (0.98%) Electronics
14 6 (0.98%) Local Government
14 6 (0.98%) Multimedia
14 6 (0.98%) Pharmaceutical
15 5 (0.81%) Banking
Job Titles
1 106 (17.24%) Network Engineer
2 80 (13.01%) Support Engineer
3 77 (12.52%) IT Support
4 69 (11.22%) Analyst
5 59 (9.59%) IT Engineer
6 54 (8.78%) Infrastructure Engineer
7 53 (8.62%) Support Analyst
8 43 (6.99%) 2nd Line Support
9 42 (6.83%) IT Manager
10 35 (5.69%) Cisco Engineer
11 31 (5.04%) Administrator
12 30 (4.88%) IT Support Engineer
13 28 (4.55%) IT Analyst
14 25 (4.07%) 2nd Line Engineer
14 25 (4.07%) Developer
15 24 (3.90%) 3rd Line Support
15 24 (3.90%) IT Support Analyst
15 24 (3.90%) VoIP Engineer
16 23 (3.74%) 1st Line Support
16 23 (3.74%) 3rd Line Engineer
Libraries, Frameworks & Software Standards
1 27 (4.39%) WebRTC
2 21 (3.41%) FreeSWITCH
3 9 (1.46%) 802.1X
3 9 (1.46%) Node.js
3 9 (1.46%) OAuth
4 7 (1.14%) CSS
4 7 (1.14%) HTML
5 6 (0.98%) SAML
6 5 (0.81%) Web Services
6 5 (0.81%) XMPP
7 4 (0.65%) Apache NiFi
7 4 (0.65%) ISPF
7 4 (0.65%) LDAP
7 4 (0.65%) REST
7 4 (0.65%) STL
8 3 (0.49%) .NET
8 3 (0.49%) GraphQL
9 2 (0.33%) ADSI
9 2 (0.33%) LAMP
9 2 (0.33%) YAML
Miscellaneous
1 70 (11.38%) Data Centre
2 37 (6.02%) Management Information System
3 22 (3.58%) Driving Licence
3 22 (3.58%) Self-Motivation
4 20 (3.25%) iPhone
4 20 (3.25%) Video Conferencing
5 13 (2.11%) Fat Client
5 13 (2.11%) Thin Client
6 11 (1.79%) Replication
6 11 (1.79%) User Experience
7 10 (1.63%) EPoS
8 9 (1.46%) iPad
8 9 (1.46%) IVR
8 9 (1.46%) Public Cloud
8 9 (1.46%) Smartphone
9 8 (1.30%) Life Science
9 8 (1.30%) Renewable Energy
10 6 (0.98%) Hybrid Cloud
11 5 (0.81%) Cyberthreat
11 5 (0.81%) Mobile App
Operating Systems
1 298 (48.46%) Windows
2 171 (27.80%) Windows Server
3 106 (17.24%) Windows 10
4 91 (14.80%) Linux
5 83 (13.50%) Windows Server 2012
6 55 (8.94%) Windows Server 2016
7 54 (8.78%) Windows Server 2019
8 39 (6.34%) Windows Server 2008
9 37 (6.02%) Android
10 23 (3.74%) Apple iOS
11 17 (2.76%) Windows 7
12 16 (2.60%) Mac OS
13 15 (2.44%) CentOS
14 13 (2.11%) Debian
15 12 (1.95%) Windows Server 2003
16 11 (1.79%) Mac OS X
17 6 (0.98%) Red Hat Enterprise Linux
17 6 (0.98%) Unix
17 6 (0.98%) VMS
18 4 (0.65%) Ubuntu
Processes & Methodologies
1 93 (15.12%) Infrastructure Engineering
2 86 (13.98%) ITIL
3 78 (12.68%) Problem-Solving
4 46 (7.48%) Agile Software Development
5 45 (7.32%) Computer Science
6 35 (5.69%) Disaster Recovery
7 33 (5.37%) Project Management
8 31 (5.04%) Network Monitoring
9 29 (4.72%) Migration
9 29 (4.72%) Project Delivery
10 28 (4.55%) Network Design
10 28 (4.55%) Service Delivery
11 26 (4.23%) Capacity Planning
11 26 (4.23%) DevOps
12 25 (4.07%) High Availability
12 25 (4.07%) Mentoring
13 20 (3.25%) CRM
14 19 (3.09%) Change Management
15 18 (2.93%) Load Balancing
15 18 (2.93%) Software Engineering
Programming Languages
1 89 (14.47%) PowerShell
2 52 (8.46%) SQL
3 45 (7.32%) Python
4 28 (4.55%) C
5 24 (3.90%) Bash Shell
6 15 (2.44%) C++
7 13 (2.11%) JavaScript
8 12 (1.95%) Go
9 9 (1.46%) PHP
10 8 (1.30%) Java
11 6 (0.98%) TypeScript
11 6 (0.98%) VB
12 5 (0.81%) Perl
12 5 (0.81%) R
12 5 (0.81%) T-SQL
13 4 (0.65%) Apple Swift
13 4 (0.65%) Lua
13 4 (0.65%) Ruby
14 3 (0.49%) Kotlin
14 3 (0.49%) Objective-C
Qualifications
1 110 (17.89%) Cisco Certification
2 81 (13.17%) Degree
3 72 (11.71%) CCNA
4 57 (9.27%) CCNP
5 32 (5.20%) Microsoft Certification
6 30 (4.88%) Computer Science Degree
7 17 (2.76%) SC Cleared
7 17 (2.76%) Security Cleared
8 13 (2.11%) JNCIA
8 13 (2.11%) MCP
9 11 (1.79%) CCIE
10 9 (1.46%) CCENT
10 9 (1.46%) ITIL Certification
10 9 (1.46%) MCSA
11 8 (1.30%) CISSP
12 7 (1.14%) DV Cleared
13 6 (0.98%) ITIL Foundation Certificate
13 6 (0.98%) MCSE
14 5 (0.81%) DBS Check
14 5 (0.81%) Network+ Certification
Quality Assurance & Compliance
1 38 (6.18%) SLA
2 22 (3.58%) ISO/IEC 27001
3 11 (1.79%) Cyber Essentials
4 10 (1.63%) PCI DSS
4 10 (1.63%) QA
5 9 (1.46%) GDPR
6 4 (0.65%) Cyber Essentials PLUS
6 4 (0.65%) NIST
6 4 (0.65%) PMO
7 2 (0.33%) HIPAA
8 1 (0.16%) HAZOP
8 1 (0.16%) SOC 2
System Software
1 267 (43.41%) Active Directory
2 103 (16.75%) VMware Infrastructure
3 79 (12.85%) Hyper-V
4 31 (5.04%) vSphere
5 21 (3.41%) Virtual Machines
5 21 (3.41%) VMware ESXi
6 15 (2.44%) XenApp
6 15 (2.44%) XenDesktop
7 13 (2.11%) Virtual Servers
8 12 (1.95%) Terminal Services
9 11 (1.79%) Docker
10 10 (1.63%) OpenSIPS
11 9 (1.46%) Kamailio
11 9 (1.46%) KVM
12 6 (0.98%) iptables
12 6 (0.98%) QEMU
13 5 (0.81%) Firmware
13 5 (0.81%) VMware NSX
14 4 (0.65%) Virtual Desktop
15 2 (0.33%) Active Directory Lightweight Directory Services
Systems Management
1 33 (5.37%) Microsoft Intune
2 29 (4.72%) SCCM
3 25 (4.07%) Cisco CUCM
4 20 (3.25%) FortiGate
5 16 (2.60%) Cisco UCCX
6 14 (2.28%) Ansible
7 12 (1.95%) Cisco Prime
8 10 (1.63%) Kubernetes
9 9 (1.46%) ServiceCenter
10 7 (1.14%) Active Directory Federation Services
10 7 (1.14%) Nagios
11 6 (0.98%) Backup Exec
11 6 (0.98%) Galera Cluster
11 6 (0.98%) HAProxy
11 6 (0.98%) Symantec Endpoint Protection
11 6 (0.98%) ZABBIX
12 4 (0.65%) Suricata
13 3 (0.49%) Microsoft Clustering
13 3 (0.49%) Puppet
13 3 (0.49%) Terraform
Vendors
1 265 (43.09%) Microsoft
2 227 (36.91%) Cisco
3 153 (24.88%) VMware
4 53 (8.62%) Palo Alto
5 52 (8.46%) HP
6 46 (7.48%) Citrix
7 44 (7.15%) Dell
8 43 (6.99%) Juniper
9 41 (6.67%) Meraki
9 41 (6.67%) Mitel
10 40 (6.50%) Avaya
11 34 (5.53%) Aruba
12 30 (4.88%) SonicWALL
13 26 (4.23%) SolarWinds
14 24 (3.90%) Sophos
15 22 (3.58%) Veeam
16 17 (2.76%) Fortinet
17 16 (2.60%) CheckPoint
18 15 (2.44%) Apple
19 14 (2.28%) Splunk