Period
to 19 September 2021

The following table provides summary statistics for permanent job vacancies with a requirement for PBX skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited PBX over the 6 months to 19 September 2021 with a comparison to the same period in the previous 2 years.

Private Branch Exchange (PBX)
UK
6 months to
19 Sep 2021
Same period 2020 Same period 2019
Rank 879 608 961
Rank change year-on-year -271 +353 +32
Permanent jobs citing PBX 129 94 136
As % of all permanent jobs advertised in the UK 0.11% 0.19% 0.096%
As % of the Communications & Networking category 0.83% 1.21% 0.61%
Number of salaries quoted 108 87 85
10th Percentile £26,250 £29,000 £25,750
25th Percentile £31,813 £37,500 £28,500
Median annual salary (50th Percentile) £42,500 £65,000 £42,500
Median % change year-on-year -34.62% +52.94% +2.41%
75th Percentile £55,000 £73,750 £52,500
90th Percentile £70,000 £82,500 £60,000
UK excluding London median annual salary £34,000 £30,000 £40,000
% change year-on-year +13.33% -25.00% +14.29%

PBX 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 15,581 7,797 22,176
As % of all permanent IT jobs advertised in the UK 12.95% 15.64% 15.68%
Number of salaries quoted 10,739 6,322 17,014
10th Percentile £27,500 £30,000 £25,750
25th Percentile £36,250 £37,500 £32,500
Median annual salary (50th Percentile) £50,000 £50,500 £45,000
Median % change year-on-year -0.99% +12.22% -5.26%
75th Percentile £68,000 £67,500 £62,500
90th Percentile £82,500 £82,500 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

PBX
Job Vacancy Trend

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

Job vacancy trend for PBX in the UK

PBX
Salary Trend

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

Salary trend for PBX in the UK

PBX
Salary Histogram

Salary distribution for jobs citing PBX over the 6 months to 19 September 2021.

Salary histogram for PBX in the UK

PBX
Top 15 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing PBX within the UK over the 6 months to 19 September 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 -265 103 £41,250 -43.10% 20
UK excluding London -174 81 £34,000 +13.33% 15
North of England -90 32 £37,060 -7.35% 4
Work from Home -276 32 £52,500 -19.23% 6
London -273 30 £50,000 -31.03% 8
North West - 25 £45,000 - 3
South East -143 23 £50,000 +36.05% 3
Midlands -106 20 £52,500 +81.03% 3
West Midlands -82 16 £52,500 +81.03% 3
East of England -87 16 £52,500 +75.00%
Yorkshire -96 7 £32,500 -18.75% 1
South West - 5 £30,500 - 2
Scotland - 5 £34,000 - 1
Wales -35 4 £24,000 +9.09% 2
East Midlands -69 4 £43,000 -

For the 6 months to 19 September 2021, IT jobs citing PBX 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 PBX.

1 51 (39.53%) VoIP
2 47 (36.43%) Microsoft
3 39 (30.23%) Telecoms
4 36 (27.91%) Mitel
5 32 (24.81%) Cisco
6 30 (23.26%) WAN
7 29 (22.48%) Unified Communications
8 27 (20.93%) Windows
9 24 (18.60%) Firewall
10 22 (17.05%) Active Directory
10 22 (17.05%) Microsoft 365
11 21 (16.28%) LAN
11 21 (16.28%) Azure
12 20 (15.50%) Social Skills
13 19 (14.73%) Oracle
13 19 (14.73%) Degree
14 18 (13.95%) Open Source
14 18 (13.95%) Linux
14 18 (13.95%) VMware
14 18 (13.95%) Migration
15 17 (13.18%) RTP
15 17 (13.18%) Asterisk PBX
15 17 (13.18%) Sonus
16 16 (12.40%) VMware Infrastructure
17 15 (11.63%) Wireless
17 15 (11.63%) SharePoint
17 15 (11.63%) DHCP
17 15 (11.63%) Problem-Solving
17 15 (11.63%) Yealink
18 14 (10.85%) Skype

PBX
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 15 (11.63%) SharePoint
2 14 (10.85%) Skype for Business
3 8 (6.20%) OpenStack
4 6 (4.65%) Confluence
5 4 (3.10%) Apache
5 4 (3.10%) ejabberd
5 4 (3.10%) IIS
5 4 (3.10%) nginx
5 4 (3.10%) Tomcat
Applications
1 9 (6.98%) Microsoft Office
2 5 (3.88%) MS Visio
3 3 (2.33%) Microsoft Excel
3 3 (2.33%) Microsoft PowerPoint
Business Applications
1 2 (1.55%) Dynamics CRM
Cloud Services
1 22 (17.05%) Microsoft 365
2 21 (16.28%) Azure
3 12 (9.30%) AWS
4 6 (4.65%) Azure Active Directory
5 4 (3.10%) Mimecast
6 3 (2.33%) OneDrive
6 3 (2.33%) Power Platform
7 2 (1.55%) IaaS
7 2 (1.55%) PaaS
7 2 (1.55%) SaaS
8 1 (0.78%) AWS Direct Connect
8 1 (0.78%) Azure ExpressRoute
8 1 (0.78%) Power Automate
8 1 (0.78%) PowerApps
Communications & Networking
1 51 (39.53%) VoIP
2 30 (23.26%) WAN
3 29 (22.48%) Unified Communications
4 24 (18.60%) Firewall
5 21 (16.28%) LAN
6 17 (13.18%) Asterisk PBX
6 17 (13.18%) RTP
7 15 (11.63%) DHCP
7 15 (11.63%) Wireless
8 14 (10.85%) PSTN
8 14 (10.85%) Skype
9 12 (9.30%) Broadband
10 10 (7.75%) TCP/IP
11 9 (6.98%) DNS
11 9 (6.98%) Internet
12 8 (6.20%) Softswitch
13 6 (4.65%) TETRA
13 6 (4.65%) VLAN
13 6 (4.65%) VPN
13 6 (4.65%) WebEx
Database & Business Intelligence
1 12 (9.30%) SQL Server
2 3 (2.33%) Power BI
3 1 (0.78%) SQL Server 2014
Development Applications
1 6 (4.65%) JIRA
1 6 (4.65%) TestRail
2 4 (3.10%) Cucumber
2 4 (3.10%) Jenkins
2 4 (3.10%) Selenium
3 1 (0.78%) GCC
3 1 (0.78%) GDB
General
1 39 (30.23%) Telecoms
2 20 (15.50%) Social Skills
3 11 (8.53%) Analytical Skills
4 7 (5.43%) Electronics
5 6 (4.65%) Manufacturing
6 5 (3.88%) Banking
6 5 (3.88%) Marketing
7 4 (3.10%) Games
7 4 (3.10%) Organisational Skills
7 4 (3.10%) Public Sector
8 3 (2.33%) Finance
9 2 (1.55%) Legal
10 1 (0.78%) Billing
10 1 (0.78%) Front Office
10 1 (0.78%) Retail
Job Titles
1 20 (15.50%) Telephony Engineer
2 14 (10.85%) Design Engineer
3 12 (9.30%) Support Engineer
4 11 (8.53%) Network Engineer
5 9 (6.98%) IT Engineer
5 9 (6.98%) Systems Engineer
5 9 (6.98%) Voice Design Engineer
5 9 (6.98%) Voice Engineer
5 9 (6.98%) VoIP Engineer
6 8 (6.20%) Applications Engineer
6 8 (6.20%) Unified Communications Engineer
7 7 (5.43%) IT Support
8 6 (4.65%) Consultant
8 6 (4.65%) Installations Engineer
8 6 (4.65%) IT Support Engineer
8 6 (4.65%) Software Engineer
9 5 (3.88%) Microsoft Consultant
9 5 (3.88%) Senior Manager
10 4 (3.10%) Senior Project Manager
10 4 (3.10%) Senior Support Engineer
Libraries, Frameworks & Software Standards
1 8 (6.20%) WebRTC
2 7 (5.43%) FreeSWITCH
3 5 (3.88%) SOAP
4 4 (3.10%) XMPP
5 2 (1.55%) SAML
6 1 (0.78%) JSON
6 1 (0.78%) React
6 1 (0.78%) STL
6 1 (0.78%) YAML
Miscellaneous
1 9 (6.98%) Data Centre
2 8 (6.20%) Video Conferencing
3 7 (5.43%) Self-Motivation
4 6 (4.65%) BYOD
4 6 (4.65%) Clustering
5 4 (3.10%) Client/Server
5 4 (3.10%) Enterprise Cloud
5 4 (3.10%) Mainframe
5 4 (3.10%) Management Information System
6 2 (1.55%) Device Driver
6 2 (1.55%) EPoS
6 2 (1.55%) Smartphone
7 1 (0.78%) CCTV
7 1 (0.78%) Driving Licence
7 1 (0.78%) Handset
7 1 (0.78%) Legacy Applications
7 1 (0.78%) Linux Command Line
7 1 (0.78%) Public Cloud
7 1 (0.78%) Replication
Operating Systems
1 27 (20.93%) Windows
2 18 (13.95%) Linux
3 10 (7.75%) Windows Server
4 9 (6.98%) Windows 10
5 5 (3.88%) Windows Server 2012
5 5 (3.88%) Windows Server 2016
6 4 (3.10%) Debian
7 2 (1.55%) CentOS
7 2 (1.55%) Red Hat Enterprise Linux
7 2 (1.55%) Ubuntu
7 2 (1.55%) Windows Server 2019
8 1 (0.78%) HPUX
8 1 (0.78%) Unix
8 1 (0.78%) Windows 7
Processes & Methodologies
1 18 (13.95%) Migration
1 18 (13.95%) Open Source
2 15 (11.63%) Problem-Solving
3 10 (7.75%) Agile Software Development
3 10 (7.75%) Customer Requirements
3 10 (7.75%) Infrastructure Engineering
4 9 (6.98%) High Availability
5 8 (6.20%) Computer Science
6 7 (5.43%) SDLC
6 7 (5.43%) Service Delivery
6 7 (5.43%) Software Testing
6 7 (5.43%) Test Automation
6 7 (5.43%) Time Management
7 6 (4.65%) IT Strategy
7 6 (4.65%) Manual Testing
7 6 (4.65%) Software Engineering
7 6 (4.65%) Stakeholder Management
8 5 (3.88%) Capacity Planning
9 4 (3.10%) Continuous Integration
9 4 (3.10%) Load Balancing
Programming Languages
1 9 (6.98%) C
2 7 (5.43%) PowerShell
2 7 (5.43%) SQL
3 6 (4.65%) Bash Shell
4 5 (3.88%) Perl
5 4 (3.10%) Java
5 4 (3.10%) JavaScript
5 4 (3.10%) PHP
6 3 (2.33%) Python
7 1 (0.78%) C++
7 1 (0.78%) Go
7 1 (0.78%) VB
Qualifications
1 19 (14.73%) Degree
2 8 (6.20%) MCSA
2 8 (6.20%) Microsoft Certification
3 6 (4.65%) MCITP
3 6 (4.65%) MCP
3 6 (4.65%) MCSE
3 6 (4.65%) MCTS
3 6 (4.65%) SC Cleared
3 6 (4.65%) Security Cleared
4 4 (3.10%) Cisco Certification
4 4 (3.10%) Computer Science Degree
5 3 (2.33%) CISSP
6 2 (1.55%) A+ Certification
6 2 (1.55%) CCNA
6 2 (1.55%) CCNP
6 2 (1.55%) CompTIA Security+
6 2 (1.55%) JNCIA
6 2 (1.55%) Network+ Certification
7 1 (0.78%) ITIL Certification
7 1 (0.78%) Master's Degree
Quality Assurance & Compliance
1 10 (7.75%) SLA
2 4 (3.10%) QA
3 2 (1.55%) GDPR
4 1 (0.78%) Cyber Essentials
4 1 (0.78%) Cyber Essentials PLUS
4 1 (0.78%) ISO/IEC 27001
4 1 (0.78%) PCI DSS
System Software
1 22 (17.05%) Active Directory
2 16 (12.40%) VMware Infrastructure
3 11 (8.53%) Hyper-V
3 11 (8.53%) Kamailio
4 5 (3.88%) OpenSIPS
5 4 (3.10%) iptables
5 4 (3.10%) KVM
5 4 (3.10%) Postfix
5 4 (3.10%) QEMU
6 3 (2.33%) VMware ESXi
7 2 (1.55%) Oracle RAC
7 2 (1.55%) Virtual Desktop
8 1 (0.78%) vSphere
Systems Management
1 5 (3.88%) Microsoft Intune
2 4 (3.10%) Ansible
2 4 (3.10%) Galera Cluster
2 4 (3.10%) HAProxy
2 4 (3.10%) Puppet
2 4 (3.10%) ZABBIX
3 3 (2.33%) SCCM
4 2 (1.55%) Active Directory Federation Services
4 2 (1.55%) CASB
5 1 (0.78%) Proxmox
5 1 (0.78%) Terraform
5 1 (0.78%) WSUS
Vendors
1 47 (36.43%) Microsoft
2 36 (27.91%) Mitel
3 32 (24.81%) Cisco
4 19 (14.73%) Oracle
5 18 (13.95%) VMware
6 17 (13.18%) Sonus
7 15 (11.63%) Yealink
8 12 (9.30%) GENBAND
9 9 (6.98%) BroadSoft
10 8 (6.20%) Avaya
10 8 (6.20%) Polycom
11 7 (5.43%) HP
12 6 (4.65%) Acme Packet
12 6 (4.65%) Juniper
12 6 (4.65%) Veeam
13 4 (3.10%) Nortel
13 4 (3.10%) Percona
13 4 (3.10%) SonicWALL
14 3 (2.33%) Meraki
14 3 (2.33%) MuleSoft