The following table provides summary statistics for contract job vacancies advertised in Farnborough 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 30 April 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 / Farnborough
3 months to
30 Apr 2017
Same period 2016 Same period 2015
Rank - 17 18
Contract jobs citing CentOS 0 1 5
As % of all contract IT jobs advertised in Farnborough - 1.45% 4.24%
As % of the Operating Systems category - 3.33% 10.00%
Number of daily rates quoted 0 0 5
Median daily rate - - £238
UK excluding London median daily rate £475 £425 £350
% change year-on-year +11.76% +21.42%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £17.50 £8.50 -
% change year-on-year +105.88% -  

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 Farnborough with a requirement for operating system skills.

Contract Operating System Skills
Farnborough
Contract job vacancies with a requirement for operating system skills 14 30 50
As % of all contract IT job vacancies advertised in Farnborough 27.45% 43.48% 42.37%
Number of daily rates quoted 2 19 24
Median daily rate £388 £400 £300
Median daily rate % change year-on-year -3.12% +33.33%  
90% offered a daily rate of more than £350 £325 £237
10% offered a daily rate of more than £425 £500 £413
UK excluding London median daily rate £388 £363 £340
% change year-on-year +6.89% +6.61%  
Number of hourly rates quoted 5 1 6
Median hourly rate £15.00 £27.50 £45.00
Median hourly rate % change year-on-year -45.45% -38.88%  
UK excluding London median hourly rate £15.50 £17.00 £15.85
% change year-on-year -8.82% +7.25%  

CentOS
Job Vacancy Trend in Farnborough

The job posting trend of jobs advertised in Farnborough 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 Farnborough

CentOS
Contractor Daily Rate Trend in Farnborough

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

Contractor daily rate trend for CentOS in Farnborough

For the 6 months to 30 April 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 Farnborough region with a requirement for CentOS.

1 4 (100.00%) Linux
1 4 (100.00%) Red Hat Enterprise Linux
2 3 (75.00%) Cisco Nexus
2 3 (75.00%) Cisco
3 2 (50.00%) SAN
3 2 (50.00%) Degree
3 2 (50.00%) User Acceptance Testing
3 2 (50.00%) SC Cleared
3 2 (50.00%) Security Cleared
3 2 (50.00%) VMware Infrastructure
3 2 (50.00%) vSphere
3 2 (50.00%) vCloud
3 2 (50.00%) TCP/IP
3 2 (50.00%) VPN
3 2 (50.00%) SSL
3 2 (50.00%) SQL
3 2 (50.00%) Unix
3 2 (50.00%) Windows
3 2 (50.00%) Data Security
3 2 (50.00%) Security Management
3 2 (50.00%) Management Information System
3 2 (50.00%) IPsec
3 2 (50.00%) PostgreSQL
3 2 (50.00%) VMware
4 1 (25.00%) ITIL
4 1 (25.00%) Coaching
4 1 (25.00%) Data Centre
4 1 (25.00%) VxBlock/Vblock
4 1 (25.00%) Service Management

CentOS
Co-occurring IT Skills in Farnborough 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:

Communications & Networking
1 3 (75.00%) Cisco Nexus
2 2 (50.00%) IPsec
2 2 (50.00%) SAN
2 2 (50.00%) SSL
2 2 (50.00%) TCP/IP
2 2 (50.00%) VPN
Database & Business Intelligence
1 2 (50.00%) PostgreSQL
Job Titles
1 2 (50.00%) Administrator
1 2 (50.00%) Cisco Administrator
1 2 (50.00%) Unix Administrator
2 1 (25.00%) Technical Engineer
Miscellaneous
1 2 (50.00%) Management Information System
2 1 (25.00%) Data Centre
2 1 (25.00%) VxBlock/Vblock
Operating Systems
1 4 (100.00%) Linux
1 4 (100.00%) Red Hat Enterprise Linux
2 2 (50.00%) Unix
2 2 (50.00%) Windows
Processes & Methodologies
1 2 (50.00%) Data Security
1 2 (50.00%) Security Management
1 2 (50.00%) User Acceptance Testing
2 1 (25.00%) Coaching
2 1 (25.00%) ITIL
2 1 (25.00%) Service Management
Programming Languages
1 2 (50.00%) SQL
Qualifications
1 2 (50.00%) Degree
1 2 (50.00%) SC Cleared
1 2 (50.00%) Security Cleared
System Software
1 2 (50.00%) vCloud
1 2 (50.00%) VMware Infrastructure
1 2 (50.00%) vSphere
Vendors
1 3 (75.00%) Cisco
2 2 (50.00%) VMware