The following table provides summary statistics for contract job vacancies advertised in the West Midlands 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 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.

CentOS Linux
England / West Midlands
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 85 127 -
Rank change year-on-year +42 -  
Contract jobs citing CentOS 30 2 0
As % of all contract IT jobs advertised in the West Midlands 1.35% 0.073% -
As % of the Operating Systems category 8.82% 0.33% -
Number of daily rates quoted 18 2 0
Median daily rate £485 £370 -
Median daily rate % change year-on-year +31.08% -  
UK excluding London median daily rate £473 £425 £375
% change year-on-year +11.29% +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 the West Midlands with a requirement for operating system skills.

Contract Operating System Skills
West Midlands
Contract job vacancies with a requirement for operating system skills 340 609 505
As % of all contract IT job vacancies advertised in the West Midlands 15.29% 22.26% 19.56%
Number of daily rates quoted 202 281 230
Median daily rate £400 £375 £325
Median daily rate % change year-on-year +6.66% +15.38%  
90% offered a daily rate of more than £150 £200 £138
10% offered a daily rate of more than £500 £513 £458
UK excluding London median daily rate £388 £363 £338
% change year-on-year +6.89% +7.40%  
Number of hourly rates quoted 35 47 83
Median hourly rate £14.50 £15.93 £15.00
Median hourly rate % change year-on-year -8.94% +6.16%  
90% offered a hourly rate of more than £10.00 £10.73 £10.00
10% offered a hourly rate of more than £28.00 £22.50 £30.00
UK excluding London median hourly rate £15.25 £16.50 £15.50
% change year-on-year -7.57% +6.45%  

CentOS
Job Vacancy Trend in the West Midlands

The job posting trend of jobs advertised in the West Midlands 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 the West Midlands

CentOS
Contractor Daily Rate Trend in the West Midlands

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

Contractor daily rate trend for CentOS in the West Midlands

CentOS
Contractor Daily Rate Histogram in the West Midlands

The daily rate distribution of IT jobs citing CentOS in the West Midlands over the 3 months to 28 March 2017.

Contractor daily rate histogram for CentOS in the West Midlands

CentOS
Contract Job Locations in the West Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the West Midlands region over the 3 months to 28 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Shropshire - 22 £491 -
Birmingham 0 2 £500 +108.33% 1
CentOS
England

CentOS
Top 30 Co-occurring IT Skills in the West Midlands

For the 6 months to 28 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 West Midlands region with a requirement for CentOS.

1 36 (100.00%) Linux
2 25 (69.44%) Windows
2 25 (69.44%) Bash Shell
3 23 (63.89%) Puppet
3 23 (63.89%) Amazon AWS
3 23 (63.89%) Ansible
3 23 (63.89%) Terraform
4 22 (61.11%) Docker
4 22 (61.11%) Ruby
5 21 (58.33%) JIRA
5 21 (58.33%) Microsoft Azure
5 21 (58.33%) Confluence
5 21 (58.33%) Elasticsearch
6 20 (55.56%) Python
7 19 (52.78%) PostgreSQL
8 18 (50.00%) Security Cleared
9 17 (47.22%) SC Cleared
10 16 (44.44%) Public Cloud
11 15 (41.67%) Configuration Management
12 12 (33.33%) Red Hat Enterprise Linux
13 8 (22.22%) MySQL
14 7 (19.44%) Red Hat
14 7 (19.44%) Replication
14 7 (19.44%) DevOps
15 6 (16.67%) E-Commerce
16 5 (13.89%) Apache
16 5 (13.89%) Data Extraction
17 4 (11.11%) Stress Testing
17 4 (11.11%) Windows Server 2008
17 4 (11.11%) Data Warehouse

CentOS
Co-occurring IT Skills in the West Midlands 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 21 (58.33%) Confluence
1 21 (58.33%) Elasticsearch
2 5 (13.89%) Apache
Cloud Services
1 23 (63.89%) Amazon AWS
2 21 (58.33%) Microsoft Azure
3 1 (2.78%) IaaS
3 1 (2.78%) PaaS
Communications & Networking
1 3 (8.33%) SSH
Database & Business Intelligence
1 19 (52.78%) PostgreSQL
2 8 (22.22%) MySQL
3 4 (11.11%) Data Warehouse
Development Applications
1 21 (58.33%) JIRA
2 2 (5.56%) Jenkins
2 2 (5.56%) Team Foundation Server
2 2 (5.56%) TeamCity
3 1 (2.78%) Atlassian Bamboo
3 1 (2.78%) Hudson
3 1 (2.78%) MSBuild
3 1 (2.78%) Octopus Deploy
General
1 1 (2.78%) Retail
Job Titles
1 17 (47.22%) Architect
2 13 (36.11%) Solutions Architect
3 8 (22.22%) DBA
3 8 (22.22%) Linux Engineer
3 8 (22.22%) MySQL DBA
3 8 (22.22%) Senior Architect
3 8 (22.22%) Senior Solutions Architect
4 7 (19.44%) DevOps Engineer
5 4 (11.11%) Cloud Engineer
6 3 (8.33%) Administrator
6 3 (8.33%) AWS Engineer
6 3 (8.33%) Cloud Architect
6 3 (8.33%) Lead DevOps
6 3 (8.33%) Lead DevOps Engineer
6 3 (8.33%) Linux DevOps Engineer
6 3 (8.33%) Linux/Unix DevOps
7 2 (5.56%) AWS DevOps
7 2 (5.56%) Azure Architect
7 2 (5.56%) Azure Engineer
7 2 (5.56%) Lead Architect
Libraries, Frameworks & Software Standards
1 4 (11.11%) .NET
2 3 (8.33%) ODBC
3 1 (2.78%) Web Services
Miscellaneous
1 16 (44.44%) Public Cloud
2 7 (19.44%) Replication
Operating Systems
1 36 (100.00%) Linux
2 25 (69.44%) Windows
3 12 (33.33%) Red Hat Enterprise Linux
4 4 (11.11%) Windows Server 2003
4 4 (11.11%) Windows Server 2008
5 3 (8.33%) Windows Server
6 2 (5.56%) Ubuntu
7 1 (2.78%) Fedora
Processes & Methodologies
1 15 (41.67%) Configuration Management
2 7 (19.44%) DevOps
3 6 (16.67%) E-Commerce
4 5 (13.89%) Data Extraction
5 4 (11.11%) Stress Testing
6 3 (8.33%) Disaster Recovery
6 3 (8.33%) Open Source
7 2 (5.56%) Virtual Environments
8 1 (2.78%) Agile Software Development
8 1 (2.78%) Business Intelligence
8 1 (2.78%) Continuous Delivery
8 1 (2.78%) Continuous Integration
8 1 (2.78%) Logistics
8 1 (2.78%) Low Latency
8 1 (2.78%) Microservices
8 1 (2.78%) Scrum
Programming Languages
1 25 (69.44%) Bash Shell
2 22 (61.11%) Ruby
3 20 (55.56%) Python
4 4 (11.11%) VB
4 4 (11.11%) VB6
5 3 (8.33%) PHP
6 1 (2.78%) Korn
6 1 (2.78%) Perl
6 1 (2.78%) PowerShell
6 1 (2.78%) SQL
Qualifications
1 18 (50.00%) Security Cleared
2 17 (47.22%) SC Cleared
System Software
1 22 (61.11%) Docker
2 1 (2.78%) Virtual Machines
Systems Management
1 23 (63.89%) Ansible
1 23 (63.89%) Puppet
1 23 (63.89%) Terraform
2 4 (11.11%) Nagios
3 3 (8.33%) Webmin
4 2 (5.56%) Opscode Chef
5 1 (2.78%) Salt
Vendors
1 7 (19.44%) Red Hat
2 2 (5.56%) Microsoft
3 1 (2.78%) SAP