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 27 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
England / West Midlands
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 102 125 -
Rank change year-on-year +23 -  
Contract jobs citing CentOS 19 16 0
As % of all contract IT jobs advertised in the West Midlands 0.92% 0.53% -
As % of the Operating Systems category 4.81% 2.70% -
Number of daily rates quoted 12 11 0
Median daily rate £460 £400 -
Median daily rate % change year-on-year +15.00% -  
UK excluding London median daily rate £460 £425 £355
% change year-on-year +8.23% +19.71%  
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 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 395 593 405
As % of all contract IT job vacancies advertised in the West Midlands 19.11% 19.56% 17.38%
Number of daily rates quoted 239 315 224
Median daily rate £375 £375 £335
Median daily rate % change year-on-year - +11.94%  
90% offered a daily rate of more than £135 £125 £140
10% offered a daily rate of more than £550 £496 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 27 48 62
Median hourly rate £14.00 £13.25 £15.50
Median hourly rate % change year-on-year +5.66% -14.51%  
90% offered a hourly rate of more than £10.00 £10.99 £10.46
10% offered a hourly rate of more than £18.00 £36.00 £26.50
UK excluding London median hourly rate £15.50 £17.50 £16.50
% change year-on-year -11.42% +6.06%  

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 27 June 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 27 June 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 - 8 £496 -
Birmingham +14 3 £375 -6.25% 2
CentOS
England

For the 6 months to 27 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 West Midlands region with a requirement for CentOS.

1 49 (100.00%) Linux
2 42 (85.71%) Windows
3 41 (83.67%) Bash Shell
4 39 (79.59%) Puppet
4 39 (79.59%) Ansible
4 39 (79.59%) Terraform
5 38 (77.55%) Docker
5 38 (77.55%) Confluence
5 38 (77.55%) Elasticsearch
5 38 (77.55%) JIRA
5 38 (77.55%) Microsoft Azure
5 38 (77.55%) Amazon AWS
6 37 (75.51%) Ruby
7 36 (73.47%) PostgreSQL
8 35 (71.43%) Python
9 28 (57.14%) Public Cloud
10 27 (55.10%) Security Cleared
11 26 (53.06%) SC Cleared
12 25 (51.02%) Configuration Management
13 16 (32.65%) DevOps
14 8 (16.33%) MySQL
15 7 (14.29%) Red Hat Enterprise Linux
15 7 (14.29%) Replication
16 6 (12.24%) Windows Server
16 6 (12.24%) Red Hat
17 5 (10.20%) E-Commerce
17 5 (10.20%) Ubuntu
17 5 (10.20%) Data Extraction
18 4 (8.16%) Stress Testing
18 4 (8.16%) Windows Server 2008

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 38 (77.55%) Confluence
1 38 (77.55%) Elasticsearch
2 1 (2.04%) nginx
Cloud Services
1 38 (77.55%) Amazon AWS
1 38 (77.55%) Microsoft Azure
Communications & Networking
1 3 (6.12%) Reverse Proxy
1 3 (6.12%) SSH
1 3 (6.12%) VPN
Database & Business Intelligence
1 36 (73.47%) PostgreSQL
2 8 (16.33%) MySQL
3 4 (8.16%) Data Warehouse
Development Applications
1 38 (77.55%) JIRA
2 4 (8.16%) Team Foundation Server
3 3 (6.12%) YouTrack
4 1 (2.04%) Jenkins
4 1 (2.04%) TeamCity
Job Titles
1 24 (48.98%) Architect
2 20 (40.82%) Solutions Architect
3 16 (32.65%) DevOps Engineer
4 14 (28.57%) Senior Architect
4 14 (28.57%) Senior Solutions Architect
5 8 (16.33%) DBA
5 8 (16.33%) MySQL DBA
6 7 (14.29%) JIRA Engineer
7 6 (12.24%) Linux Engineer
8 5 (10.20%) Linux DevOps Engineer
8 5 (10.20%) Linux/Unix DevOps
9 4 (8.16%) Administrator
9 4 (8.16%) JIRA Architect
9 4 (8.16%) Lead DevOps
9 4 (8.16%) Lead DevOps Engineer
10 3 (6.12%) Cloud Architect
10 3 (6.12%) Cloud Engineer
10 3 (6.12%) Lead Architect
11 2 (4.08%) Cloud Solutions Architect
11 2 (4.08%) Lead Solutions Architect
Libraries, Frameworks & Software Standards
1 4 (8.16%) .NET
2 3 (6.12%) ODBC
3 1 (2.04%) Node.js
Miscellaneous
1 28 (57.14%) Public Cloud
2 7 (14.29%) Replication
3 1 (2.04%) Clustering
Operating Systems
1 49 (100.00%) Linux
2 42 (85.71%) Windows
3 7 (14.29%) Red Hat Enterprise Linux
4 6 (12.24%) Windows Server
5 5 (10.20%) Ubuntu
6 4 (8.16%) Windows Server 2003
6 4 (8.16%) Windows Server 2008
7 3 (6.12%) Windows Server 2012
Processes & Methodologies
1 25 (51.02%) Configuration Management
2 16 (32.65%) DevOps
3 5 (10.20%) Data Extraction
3 5 (10.20%) E-Commerce
4 4 (8.16%) Stress Testing
5 3 (6.12%) Disaster Recovery
5 3 (6.12%) Open Source
5 3 (6.12%) Virtual Environments
6 1 (2.04%) Business Intelligence
6 1 (2.04%) Logistics
Programming Languages
1 41 (83.67%) Bash Shell
2 37 (75.51%) Ruby
3 35 (71.43%) Python
4 4 (8.16%) VB
4 4 (8.16%) VB6
5 2 (4.08%) PHP
6 1 (2.04%) Perl
6 1 (2.04%) SQL
Qualifications
1 27 (55.10%) Security Cleared
2 26 (53.06%) SC Cleared
System Software
1 38 (77.55%) Docker
2 1 (2.04%) iptables
2 1 (2.04%) Virtual Machines
Systems Management
1 39 (79.59%) Ansible
1 39 (79.59%) Puppet
1 39 (79.59%) Terraform
2 4 (8.16%) Opscode Chef
3 3 (6.12%) Webmin
4 1 (2.04%) Salt
Vendors
1 6 (12.24%) Red Hat
2 3 (6.12%) Atlassian
2 3 (6.12%) SaltStack
3 2 (4.08%) Microsoft
4 1 (2.04%) SAP