The following table provides summary statistics for permanent job vacancies advertised in Twickenham with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
London / Twickenham
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank - - 16
Permanent jobs citing CentOS 0 0 2
As % of all permanent IT jobs advertised in Twickenham - - 2.78%
As % of the Operating Systems category - - 15.38%
Number of salaries quoted 0 0 2
Median salary - - £60,000
UK excluding London median salary £42,500 £45,000 £42,500
% change year-on-year -5.55% +5.88%  

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Twickenham with a requirement for operating system skills.

Operating System Skills
Twickenham
Permanent job vacancies with a requirement for operating system skills 15 17 13
As % of all permanent IT job vacancies advertised in Twickenham 27.27% 23.29% 18.06%
Number of salaries quoted 11 17 10
Median salary £35,000 £37,500 £35,000
Median salary % change year-on-year -6.66% +7.14%  
90% offered a salary of more than £22,500 £35,000 £20,500
10% offered a salary of more than £50,000 £60,000 £50,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Twickenham

The job posting trend of jobs advertised in Twickenham citing CentOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in Twickenham

CentOS
Salary Trend in Twickenham

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

Salary trend for CentOS in Twickenham