Period
to 19 April 2019

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for PSTN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited PSTN over the 6 months to 19 April 2019 with a comparison to the same period in the previous 2 years.

Public Switched Telecom Network (PSTN)
England > London
6 months to
19 Apr 2019
Same period 2018 Same period 2017
Rank 762 820 827
Rank change year-on-year +58 +7 +28
Permanent jobs citing PSTN 12 5 6
As % of all permanent IT jobs advertised in London 0.020% 0.007% 0.009%
As % of the Communications & Networking category 0.15% 0.050% 0.055%
Number of salaries quoted 12 5 5
London median annual salary £38,250 £25,000 £35,000
Median salary % change year-on-year +53.00% -28.57% -33.33%
10th Percentile £22,520 £19,500 £24,600
90th Percentile £65,875 £70,500 £54,000
England median annual salary £43,250 £42,500 £53,000
% change year-on-year +1.76% -19.81% +0.95%

PSTN 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 7,879 10,024 10,871
As % of all permanent IT jobs advertised in London 12.99% 14.33% 15.79%
Number of salaries quoted 6,398 8,306 9,175
London median annual salary £55,000 £55,000 £55,000
10th Percentile £29,250 £31,125 £30,000
90th Percentile £87,500 £83,750 £80,500
England median annual salary £47,500 £47,000 £45,000
% change year-on-year +1.06% +4.44% -

PSTN
Job Vacancy Trend in London

Job postings citing PSTN as a percentage of all IT jobs advertised in London.

Job vacancy trend for PSTN in London

PSTN
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing PSTN in London.

Salary trend for PSTN in London

PSTN
Salary Histogram in London

The salary distribution of IT jobs citing PSTN in London over the 6 months to 19 April 2019.

Salary histogram for PSTN in London

PSTN
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing PSTN within the London region over the 6 months to 19 April 2019. 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
South London +3 1 £28,500 +35.71%
PSTN
England

For the 6 months to 19 April 2019, IT jobs citing PSTN 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 PSTN.

1 8 (66.67%) DNS
2 7 (58.33%) Firewall
2 7 (58.33%) Skype for Business
2 7 (58.33%) Skype
3 6 (50.00%) Office 365
3 6 (50.00%) Microsoft Azure
3 6 (50.00%) Active Directory
3 6 (50.00%) ADSL
4 5 (41.67%) SQL
4 5 (41.67%) Windows
4 5 (41.67%) Cisco
4 5 (41.67%) ISDN
4 5 (41.67%) Internet
4 5 (41.67%) MPLS
5 4 (33.33%) SAN
5 4 (33.33%) VMware
5 4 (33.33%) Microsoft
5 4 (33.33%) Avaya
5 4 (33.33%) VMware Infrastructure
6 3 (25.00%) BIG-IP
6 3 (25.00%) Load Balancing
6 3 (25.00%) XenApp
6 3 (25.00%) SQL Server 2008
6 3 (25.00%) Unified Communications
6 3 (25.00%) Exchange Server 2010
6 3 (25.00%) 4G
6 3 (25.00%) Presales
6 3 (25.00%) Performance Tuning
6 3 (25.00%) Server Virtualisation
6 3 (25.00%) Infrastructure Engineering

PSTN
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 7 (58.33%) Skype for Business
2 3 (25.00%) Exchange Server 2010
2 3 (25.00%) MS Exchange
3 2 (16.67%) IIS
4 1 (8.33%) SharePoint
Applications
1 2 (16.67%) Microsoft Office
2 1 (8.33%) MS Visio
Cloud Services
1 6 (50.00%) Microsoft Azure
1 6 (50.00%) Office 365
2 2 (16.67%) Azure Active Directory
Communications & Networking
1 8 (66.67%) DNS
2 7 (58.33%) Firewall
2 7 (58.33%) Skype
3 6 (50.00%) ADSL
4 5 (41.67%) Internet
4 5 (41.67%) ISDN
4 5 (41.67%) MPLS
5 4 (33.33%) SAN
6 3 (25.00%) 3G
6 3 (25.00%) 4G
6 3 (25.00%) BIG-IP
6 3 (25.00%) DHCP
6 3 (25.00%) LAN
6 3 (25.00%) TCP/IP
6 3 (25.00%) Unified Communications
6 3 (25.00%) VoIP
6 3 (25.00%) VPN
6 3 (25.00%) WAN
6 3 (25.00%) Wireless
7 2 (16.67%) Ethernet
Database & Business Intelligence
1 3 (25.00%) SQL Server
1 3 (25.00%) SQL Server 2008
General
1 2 (16.67%) Advertising
2 1 (8.33%) Telecoms
Job Titles
1 3 (25.00%) Consultant
1 3 (25.00%) Implementation Consultant
2 2 (16.67%) Azure Engineer
2 2 (16.67%) Azure Infrastructure Engineer
2 2 (16.67%) Citrix Engineer
2 2 (16.67%) Citrix Infrastructure Engineer
2 2 (16.67%) Infrastructure Engineer
2 2 (16.67%) Network Engineer
2 2 (16.67%) Office 365 Engineer
2 2 (16.67%) Senior Citrix Engineer
2 2 (16.67%) Senior Infrastructure Engineer
2 2 (16.67%) Senior Wintel Engineer
2 2 (16.67%) Technical Advisor
2 2 (16.67%) Wintel Engineer
2 2 (16.67%) Wintel Infrastructure Engineer
3 1 (8.33%) Infrastructure Analyst
3 1 (8.33%) Infrastructure Project Manager
3 1 (8.33%) Support Engineer
3 1 (8.33%) Technical Support
3 1 (8.33%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 2 (16.67%) 802.1X
2 1 (8.33%) HTML
Miscellaneous
1 2 (16.67%) Driving Licence
1 2 (16.67%) Fat Client
1 2 (16.67%) Replication
1 2 (16.67%) Thin Client
2 1 (8.33%) Clustering
2 1 (8.33%) Management Information System
Operating Systems
1 5 (41.67%) Windows
2 2 (16.67%) Android
2 2 (16.67%) Apple iOS
2 2 (16.67%) Windows Server 2003
3 1 (8.33%) Windows 10
3 1 (8.33%) Windows Server
3 1 (8.33%) Windows Server 2008
Processes & Methodologies
1 3 (25.00%) Infrastructure Engineering
1 3 (25.00%) Load Balancing
1 3 (25.00%) Performance Tuning
1 3 (25.00%) Presales
1 3 (25.00%) Server Virtualisation
2 2 (16.67%) ITIL
2 2 (16.67%) ITIL V3
2 2 (16.67%) Migration
2 2 (16.67%) Problem-Solving
2 2 (16.67%) Service Management
2 2 (16.67%) WAN Optimisation
3 1 (8.33%) Agile Software Development
3 1 (8.33%) CRM
3 1 (8.33%) Escalation Management
3 1 (8.33%) PRINCE2
3 1 (8.33%) Virtual Environments
3 1 (8.33%) Waterfall
3 1 (8.33%) WFM
3 1 (8.33%) Workforce Optimisation
Programming Languages
1 5 (41.67%) SQL
Qualifications
1 2 (16.67%) CCA
1 2 (16.67%) CCAA
1 2 (16.67%) CCNA
1 2 (16.67%) Cisco Certification
1 2 (16.67%) Citrix Certification
1 2 (16.67%) MCITP
1 2 (16.67%) MCSE
1 2 (16.67%) Microsoft Certification
1 2 (16.67%) VMware Certified Professional (VCP)
System Software
1 6 (50.00%) Active Directory
2 4 (33.33%) VMware Infrastructure
3 3 (25.00%) XenApp
4 2 (16.67%) vSphere
5 1 (8.33%) Hyper-V
5 1 (8.33%) VMware ESXi
Systems Management
1 1 (8.33%) vCenter Server
Vendors
1 5 (41.67%) Cisco
2 4 (33.33%) Avaya
2 4 (33.33%) Microsoft
2 4 (33.33%) VMware
3 3 (25.00%) Citrix
3 3 (25.00%) CommVault
4 2 (16.67%) Brocade
4 2 (16.67%) Dell
4 2 (16.67%) EMC
4 2 (16.67%) Fortinet
4 2 (16.67%) Juniper
5 1 (8.33%) Genesys
5 1 (8.33%) Mitel
5 1 (8.33%) Panasonic
5 1 (8.33%) Polycom
5 1 (8.33%) Verint