The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 27 March 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.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
West Midlands / Birmingham
Rank 54 57 -
Rank change year-on-year +3 -  
Contract jobs citing CentOS 2 1 0
As % of all contract IT jobs advertised in Birmingham 0.32% 0.15% -
As % of the Operating Systems category 2.35% 0.71% -
Number of daily rates quoted 2 1 0
Median daily rate £500 £240 -
Median daily rate % change year-on-year +108.33% -  
UK excluding London median daily rate £475 £425 £375
% change year-on-year +11.76% +13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £17.50 £8.50 £47.50
% change year-on-year +105.88% -82.10%  

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 Birmingham with a requirement for operating system skills.

Contract Operating System Skills
Birmingham
Contract job vacancies with a requirement for operating system skills 85 141 108
As % of all contract IT job vacancies advertised in Birmingham 13.54% 21.83% 14.27%
Number of daily rates quoted 65 69 45
Median daily rate £375 £325 £300
Median daily rate % change year-on-year +15.38% +8.33%  
90% offered a daily rate of more than £115 £190 £143
10% offered a daily rate of more than £500 £447 £425
UK excluding London median daily rate £390 £363 £338
% change year-on-year +7.58% +7.40%  
Number of hourly rates quoted 5 19 13
Median hourly rate £14.00 £14.50 £15.00
Median hourly rate % change year-on-year -3.44% -3.33%  
90% offered a hourly rate of more than £10.00 £10.73 £10.00
10% offered a hourly rate of more than £22.90 £22.75 £26.00
UK excluding London median hourly rate £15.25 £16.84 £15.50
% change year-on-year -9.44% +8.64%  

CentOS
Job Vacancy Trend in Birmingham

The job posting trend of jobs advertised in Birmingham 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 Birmingham

CentOS
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for CentOS in Birmingham

CentOS
Top 14 Related IT Skills in Birmingham

For the 6 months to 27 March 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 Birmingham region with a requirement for CentOS.

1 2 (100.00%) Windows
1 2 (100.00%) Linux
1 2 (100.00%) JIRA
1 2 (100.00%) Microsoft Azure
1 2 (100.00%) Amazon AWS
1 2 (100.00%) Confluence
1 2 (100.00%) Puppet
1 2 (100.00%) Elasticsearch
1 2 (100.00%) Ansible
1 2 (100.00%) Docker
1 2 (100.00%) DevOps
1 2 (100.00%) Public Cloud
1 2 (100.00%) Terraform
1 2 (100.00%) Virtual Environments

CentOS
Top Related IT Skills in Birmingham 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 2 (100.00%) Confluence
1 2 (100.00%) Elasticsearch
Cloud Services
1 2 (100.00%) Amazon AWS
1 2 (100.00%) Microsoft Azure
Development Applications
1 2 (100.00%) JIRA
Job Titles
1 2 (100.00%) DevOps Engineer
1 2 (100.00%) Lead DevOps
1 2 (100.00%) Lead DevOps Engineer
Miscellaneous
1 2 (100.00%) Public Cloud
Operating Systems
1 2 (100.00%) Linux
1 2 (100.00%) Windows
Processes & Methodologies
1 2 (100.00%) DevOps
1 2 (100.00%) Virtual Environments
System Software
1 2 (100.00%) Docker
Systems Management
1 2 (100.00%) Ansible
1 2 (100.00%) Puppet
1 2 (100.00%) Terraform