The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for PSTN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited PSTN over the 3 months to 23 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Public Switched Telecom Network (PSTN)
London / City of London
Rank - 265 314
Permanent jobs citing PSTN 0 5 1
As % of all permanent IT jobs advertised in the City of London - 0.071% 0.010%
As % of the Communications & Networking category - 0.49% 0.050%
Number of salaries quoted 0 5 1
Median salary - £55,000 £42,500
Median salary % change year-on-year - +29.41%  
UK excluding London median salary £60,000 £50,000 £37,500
% change year-on-year +20.00% +33.33%  

PSTN is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
City of London
Permanent job vacancies with a requirement for communications and computer networking skills 835 1027 2011
As % of all permanent IT job vacancies advertised in the City of London 16.67% 14.61% 19.88%
Number of salaries quoted 788 901 1682
Median salary £47,500 £52,500 £55,000
Median salary % change year-on-year -9.52% -4.54%  
90% offered a salary of more than £26,000 £32,500 £34,000
10% offered a salary of more than £75,000 £70,000 £80,000
UK excluding London median salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.65%  

PSTN
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing PSTN as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for PSTN in the City of London

PSTN
Salary Trend in the City of London

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

Salary trend for PSTN in the City of London