The following table provides summary statistics for contract job vacancies advertised in Portsmouth with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CentOS Linux
Hampshire / Portsmouth
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank - 21 16
Contract jobs citing CentOS 0 8 1
As % of all contract IT jobs advertised in Portsmouth - 5.41% 1.11%
As % of the Operating Systems category - 10.39% 4.17%
Number of daily rates quoted 0 5 0
Median daily rate - £288 -
UK excluding London median daily rate £460 £425 £350
% change year-on-year +8.23% +21.42%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £55.00 -
UK excluding London median hourly rate £47.50 £55.00 -
% change year-on-year -13.63% -  

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

Contract Operating System Skills
Portsmouth
Contract job vacancies with a requirement for operating system skills 33 77 24
As % of all contract IT job vacancies advertised in Portsmouth 20.00% 52.03% 26.67%
Number of daily rates quoted 29 135 23
Median daily rate £325 £463 £300
Median daily rate % change year-on-year -29.72% +54.16%  
90% offered a daily rate of more than £204 £281 £111
10% offered a daily rate of more than £490 £925 £395
UK excluding London median daily rate £375 £363 £348
% change year-on-year +3.44% +4.31%  
Number of hourly rates quoted 6 33 16
Median hourly rate £46.69 £47.83 £13.00
Median hourly rate % change year-on-year -2.38% +267.92%  
90% offered a hourly rate of more than £46.00 £35.50 £12.25
10% offered a hourly rate of more than £57.72 £57.50 £45.00
UK excluding London median hourly rate £15.50 £17.00 £16.50
% change year-on-year -8.82% +3.03%  

CentOS
Job Vacancy Trend in Portsmouth

Job postings citing CentOS as a percentage of all IT jobs advertised in Portsmouth.

Job vacancy trend for CentOS in Portsmouth

CentOS
Contractor Daily Rate Trend in Portsmouth

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in Portsmouth.

Contractor daily rate trend for CentOS in Portsmouth