The following table provides summary statistics for contract job vacancies advertised in Oxford 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 22 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
Oxfordshire / Oxford
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 39 - 41
Rank change year-on-year - 0  
Contract jobs citing CentOS 8 0 5
As % of all contract IT jobs advertised in Oxford 2.46% - 1.49%
As % of the Operating Systems category 15.38% - 6.41%
Number of daily rates quoted 2 0 5
Median daily rate £450 - £490
90% offered a daily rate of more than £410 - £405
10% offered a daily rate of more than £490 - £492
UK excluding London median daily rate £460 £438 £375
% change year-on-year +5.14% +16.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 Oxford with a requirement for operating system skills.

Contract Operating System Skills
Oxford
Contract job vacancies with a requirement for operating system skills 52 83 78
As % of all contract IT job vacancies advertised in Oxford 16.00% 28.52% 23.21%
Number of daily rates quoted 30 53 54
Median daily rate £385 £350 £394
Median daily rate % change year-on-year +10.00% -11.11%  
90% offered a daily rate of more than £135 £135 £137
10% offered a daily rate of more than £578 £520 £490
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 9 7 9
Median hourly rate £17.77 £11.00 £20.00
Median hourly rate % change year-on-year +61.54% -45.00%  
90% offered a hourly rate of more than £13.81 £8.80 £9.47
10% offered a hourly rate of more than £145.00 £22.50 £180.00
UK excluding London median hourly rate £15.50 £16.97 £16.16
% change year-on-year -8.66% +5.01%  

CentOS
Job Vacancy Trend in Oxford

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

Job vacancy trend for CentOS in Oxford

CentOS
Contractor Daily Rate Trend in Oxford

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

Contractor daily rate trend for CentOS in Oxford

For the 6 months to 22 June 2017, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Oxford region with a requirement for CentOS.

1 9 (100.00%) Linux
2 8 (88.89%) Ruby
2 8 (88.89%) Bash Shell
3 6 (66.67%) Red Hat
4 5 (55.56%) Nagios
4 5 (55.56%) Symantec
4 5 (55.56%) VMware
4 5 (55.56%) HP
4 5 (55.56%) SAN
4 5 (55.56%) Puppet
4 5 (55.56%) 3PAR
4 5 (55.56%) Red Hat Satellite
4 5 (55.56%) Red Hat Enterprise Linux
4 5 (55.56%) DevOps
4 5 (55.56%) Virtual Machines
5 4 (44.44%) Python
6 3 (33.33%) Apache
6 3 (33.33%) Debian
6 3 (33.33%) Ubuntu
6 3 (33.33%) Continuous Improvement
6 3 (33.33%) HAProxy
6 3 (33.33%) Hyperic
6 3 (33.33%) SELinux
7 2 (22.22%) Amazon AWS
7 2 (22.22%) VMware Infrastructure
7 2 (22.22%) JBoss
7 2 (22.22%) Java
8 1 (11.11%) MySQL
8 1 (11.11%) Route 53
8 1 (11.11%) Google

CentOS
Co-occurring IT Skills in Oxford 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 3 (33.33%) Apache
2 2 (22.22%) JBoss
Cloud Services
1 2 (22.22%) Amazon AWS
2 1 (11.11%) Amazon EC2
2 1 (11.11%) Amazon S3
2 1 (11.11%) AWS CloudFormation
2 1 (11.11%) Google Cloud Platform
2 1 (11.11%) Microsoft Azure
2 1 (11.11%) Route 53
Communications & Networking
1 5 (55.56%) SAN
Database & Business Intelligence
1 1 (11.11%) MySQL
Job Titles
1 9 (100.00%) Administrator
1 9 (100.00%) Systems Administrator
2 5 (55.56%) DevOps Administrator
3 4 (44.44%) Linux Administrator
3 4 (44.44%) Linux Systems Administrator
4 3 (33.33%) Linux Engineer
4 3 (33.33%) Linux Systems Engineer
4 3 (33.33%) Systems Engineer
Operating Systems
1 9 (100.00%) Linux
2 5 (55.56%) Red Hat Enterprise Linux
3 3 (33.33%) Debian
3 3 (33.33%) Ubuntu
Processes & Methodologies
1 5 (55.56%) DevOps
2 3 (33.33%) Continuous Improvement
Programming Languages
1 8 (88.89%) Bash Shell
1 8 (88.89%) Ruby
2 4 (44.44%) Python
3 2 (22.22%) Java
System Software
1 5 (55.56%) Virtual Machines
2 2 (22.22%) VMware Infrastructure
Systems Management
1 5 (55.56%) Nagios
1 5 (55.56%) Puppet
1 5 (55.56%) Red Hat Satellite
2 3 (33.33%) HAProxy
2 3 (33.33%) Hyperic
2 3 (33.33%) SELinux
Vendors
1 6 (66.67%) Red Hat
2 5 (55.56%) 3PAR
2 5 (55.56%) HP
2 5 (55.56%) Symantec
2 5 (55.56%) VMware
3 1 (11.11%) Google