Period
to 20 November 2017

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 6 months to 20 November 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
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 77 77 72
Rank change year-on-year 0 -5 -
Contract jobs citing CentOS 7 8 5
As % of all contract IT jobs advertised in Oxford 0.96% 1.13% 0.74%
As % of the Operating Systems category 4.12% 5.00% 3.13%
Number of daily rates quoted 5 7 4
Oxford median daily rate £400 £438 £433
Median daily rate % change year-on-year -8.57% +1.16% -
Oxfordshire median daily rate £400 £425 £400
% change year-on-year -5.88% +6.25% -
Number of hourly rates quoted 0 0 0
Oxford median hourly rate - - -
Oxfordshire median hourly rate - - -

CentOS is in the Operating Systems category. The following 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.

All Operating Systems
Oxford
Contract vacancies with a requirement for operating system skills 170 160 160
As % of all contract IT jobs advertised in Oxford 23.22% 22.60% 23.70%
Number of daily rates quoted 132 119 110
Oxford median daily rate £425 £400 £313
Median daily rate % change year-on-year +6.25% +28.00% -30.56%
10th Percentile £176 £128 £133
90th Percentile £620 £528 £446
Oxfordshire median daily rate £405 £400 £320
% change year-on-year +1.25% +25.00% -11.11%
Number of hourly rates quoted 7 7 24
Oxford median hourly rate £17.77 £12.50 £20.00
Median hourly rate % change year-on-year +42.16% -37.50% +42.86%
10th Percentile £10.00 £9.52 £11.25
90th Percentile £74.66 £20.00 £112.45
Oxfordshire median hourly rate £15.50 £16.25 £16.00
% change year-on-year -4.62% +1.56% +14.29%

CentOS
Job Vacancy Trend in Oxford

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

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 20 November 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 7 (100.00%) Linux
2 6 (85.71%) Ruby
2 6 (85.71%) Bash Shell
3 5 (71.43%) Ubuntu
4 4 (57.14%) Java
4 4 (57.14%) Debian
4 4 (57.14%) Python
4 4 (57.14%) Apache
4 4 (57.14%) Puppet
4 4 (57.14%) HAProxy
4 4 (57.14%) Continuous Improvement
4 4 (57.14%) SELinux
5 3 (42.86%) DevOps
5 3 (42.86%) Open Source Development
5 3 (42.86%) Open Source
6 2 (28.57%) Red Hat Enterprise Linux
6 2 (28.57%) Amazon EC2
6 2 (28.57%) Amazon S3
6 2 (28.57%) Amazon AWS
6 2 (28.57%) VMware
6 2 (28.57%) HP
6 2 (28.57%) SAN
6 2 (28.57%) Red Hat
6 2 (28.57%) Nagios
6 2 (28.57%) Symantec
6 2 (28.57%) Kerberos
6 2 (28.57%) Red Hat Satellite
6 2 (28.57%) Ansible
6 2 (28.57%) 3PAR
6 2 (28.57%) Virtual Machines

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 4 (57.14%) Apache
2 1 (14.29%) JBoss
2 1 (14.29%) nginx
2 1 (14.29%) Tomcat
Cloud Services
1 2 (28.57%) Amazon AWS
1 2 (28.57%) Amazon EC2
1 2 (28.57%) Amazon S3
2 1 (14.29%) Amazon CloudWatch
2 1 (14.29%) Amazon Glacier
2 1 (14.29%) AWS CloudFormation
2 1 (14.29%) Route 53
2 1 (14.29%) Virtual Private Cloud
Communications & Networking
1 2 (28.57%) Kerberos
1 2 (28.57%) SAN
2 1 (14.29%) DNS
2 1 (14.29%) LDAP
2 1 (14.29%) SSH
Database & Business Intelligence
1 1 (14.29%) Amazon RDS
Development Applications
1 1 (14.29%) GitLab
Job Titles
1 6 (85.71%) Administrator
1 6 (85.71%) Systems Administrator
2 4 (57.14%) Linux Administrator
2 4 (57.14%) Linux Systems Administrator
3 3 (42.86%) Linux Engineer
3 3 (42.86%) Linux Systems Engineer
3 3 (42.86%) Systems Engineer
4 2 (28.57%) DevOps Administrator
5 1 (14.29%) AWS Administrator
5 1 (14.29%) DevOps Engineer
5 1 (14.29%) DevOps Systems Engineer
5 1 (14.29%) Linux DevOps Engineer
5 1 (14.29%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 1 (14.29%) LAMP
1 1 (14.29%) POSIX
Miscellaneous
1 1 (14.29%) Life Science
1 1 (14.29%) Linux Command Line
Operating Systems
1 7 (100.00%) Linux
2 5 (71.43%) Ubuntu
3 4 (57.14%) Debian
4 2 (28.57%) Red Hat Enterprise Linux
Processes & Methodologies
1 4 (57.14%) Continuous Improvement
2 3 (42.86%) DevOps
2 3 (42.86%) Open Source
2 3 (42.86%) Open Source Development
3 1 (14.29%) Bioinformatics
3 1 (14.29%) Data Management
3 1 (14.29%) Front End Development
3 1 (14.29%) Task Automation
Programming Languages
1 6 (85.71%) Bash Shell
1 6 (85.71%) Ruby
2 4 (57.14%) Java
2 4 (57.14%) Python
3 1 (14.29%) AWK
3 1 (14.29%) sed
System Software
1 2 (28.57%) Virtual Machines
2 1 (14.29%) Active Directory
2 1 (14.29%) iptables
2 1 (14.29%) NFS
2 1 (14.29%) Samba
Systems Management
1 4 (57.14%) HAProxy
1 4 (57.14%) Puppet
1 4 (57.14%) SELinux
2 2 (28.57%) Ansible
2 2 (28.57%) Nagios
2 2 (28.57%) Red Hat Satellite
3 1 (14.29%) Opscode Chef
Vendors
1 2 (28.57%) 3PAR
1 2 (28.57%) HP
1 2 (28.57%) Red Hat
1 2 (28.57%) Symantec
1 2 (28.57%) VMware