Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in West Yorkshire 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 19 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
Yorkshire > West Yorkshire
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 136 125 147
Rank change year-on-year -11 +22 -45
Contract jobs citing CentOS 17 49 39
As % of all contract IT jobs advertised in West Yorkshire 0.57% 1.36% 0.88%
As % of the Operating Systems category 2.96% 6.61% 3.90%
Number of daily rates quoted 17 48 24
West Yorkshire median daily rate £425 £431 £300
Median daily rate % change year-on-year -1.45% +43.75% +33.33%
10th Percentile £410 £213 £263
90th Percentile £525 £565 £447
Yorkshire median daily rate £450 £425 £300
% change year-on-year +5.88% +41.67% +33.33%
Number of hourly rates quoted 0 0 0
West Yorkshire median hourly rate - - -
Yorkshire 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 West Yorkshire with a requirement for operating system skills.

All Operating Systems
West Yorkshire
Contract vacancies with a requirement for operating system skills 574 741 1000
As % of all contract IT jobs advertised in West Yorkshire 19.21% 20.51% 22.51%
Number of daily rates quoted 358 463 570
West Yorkshire median daily rate £420 £400 £375
Median daily rate % change year-on-year +5.00% +6.67% +15.38%
10th Percentile £195 £226 £200
90th Percentile £538 £550 £523
Yorkshire median daily rate £420 £400 £375
% change year-on-year +5.00% +6.67% +17.19%
Number of hourly rates quoted 46 29 100
West Yorkshire median hourly rate £12.50 £13.00 £12.75
Median hourly rate % change year-on-year -3.85% +1.96% +6.25%
10th Percentile £9.81 £8.72 £8.96
90th Percentile £21.38 £24.00 £22.75
Yorkshire median hourly rate £13.00 £14.48 £12.50
% change year-on-year -10.22% +15.84% -5.30%

CentOS
Job Vacancy Trend in West Yorkshire

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

Job vacancy trend for CentOS in West Yorkshire

CentOS
Contractor Daily Rate Trend in West Yorkshire

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

Contractor daily rate trend for CentOS in West Yorkshire

CentOS
Contractor Daily Rate Histogram in West Yorkshire

The daily rate distribution of IT jobs citing CentOS in West Yorkshire over the 6 months to 19 November 2017.

Contractor daily rate histogram for CentOS in West Yorkshire

CentOS
Contractor Hourly Rate Trend in West Yorkshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CentOS in West Yorkshire.

Contractor hourly rate trend for CentOS in West Yorkshire

CentOS
Contract Job Locations in West Yorkshire

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 Yorkshire region over the 6 months to 19 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Leeds -24 16 £423 -2.03% 2
CentOS
Yorkshire

For the 6 months to 19 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 West Yorkshire region with a requirement for CentOS.

1 17 (100.00%) Linux
2 12 (70.59%) DevOps
3 11 (64.71%) Red Hat
4 9 (52.94%) Graphite
5 8 (47.06%) Amazon AWS
5 8 (47.06%) Bash Shell
5 8 (47.06%) Configuration Management
6 7 (41.18%) Nagios
6 7 (41.18%) Python
6 7 (41.18%) Agile Software Development
6 7 (41.18%) Ruby
6 7 (41.18%) Puppet
6 7 (41.18%) Jenkins
6 7 (41.18%) Opsview
7 6 (35.29%) Opscode Chef
7 6 (35.29%) Red Hat Enterprise Linux
7 6 (35.29%) Git (software)
7 6 (35.29%) Ubuntu
8 5 (29.41%) DNS
8 5 (29.41%) New Relic
8 5 (29.41%) Kubernetes
8 5 (29.41%) Grafana
9 4 (23.53%) Performance Optimisation
9 4 (23.53%) Heroku
9 4 (23.53%) Cloud Foundry
9 4 (23.53%) Docker
9 4 (23.53%) Microsoft Azure
9 4 (23.53%) VMware ESXi
9 4 (23.53%) Splunk
9 4 (23.53%) Shell Script

CentOS
Co-occurring IT Skills in West Yorkshire 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 (23.53%) Cloud Foundry
2 3 (17.65%) nginx
2 3 (17.65%) Tomcat
Cloud Services
1 8 (47.06%) Amazon AWS
2 4 (23.53%) Heroku
2 4 (23.53%) Microsoft Azure
Communications & Networking
1 5 (29.41%) DNS
2 4 (23.53%) HTTP
3 2 (11.76%) Network Security
4 1 (5.88%) Firewall
4 1 (5.88%) LDAP
Database & Business Intelligence
1 3 (17.65%) MongoDB
1 3 (17.65%) NoSQL
1 3 (17.65%) Redis
Development Applications
1 7 (41.18%) Jenkins
2 6 (35.29%) Git (software)
3 3 (17.65%) Sonatype Nexus
3 3 (17.65%) Vagrant
General
1 3 (17.65%) Games
2 1 (5.88%) Finance
Job Titles
1 11 (64.71%) DevOps Engineer
2 6 (35.29%) Linux Engineer
3 4 (23.53%) Linux DevOps Engineer
3 4 (23.53%) Linux/Unix DevOps
4 3 (17.65%) AWS DevOps
4 3 (17.65%) AWS DevOps Engineer
4 3 (17.65%) AWS Engineer
4 3 (17.65%) Azure DevOps
4 3 (17.65%) Azure DevOps Engineer
4 3 (17.65%) Azure Engineer
5 2 (11.76%) Cloud Engineer
5 2 (11.76%) Linux Scripter
5 2 (11.76%) Nagios Engineer
5 2 (11.76%) Systems Engineer
5 2 (11.76%) WebOps Engineer
6 1 (5.88%) Administrator
6 1 (5.88%) Consultant
6 1 (5.88%) Linux Administrator
6 1 (5.88%) Linux Systems Administrator
6 1 (5.88%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 3 (17.65%) LAMP
1 3 (17.65%) Memcached
1 3 (17.65%) Node.js
1 3 (17.65%) RabbitMQ
2 2 (11.76%) Elastic Stack
Miscellaneous
1 2 (11.76%) Private Cloud
Operating Systems
1 17 (100.00%) Linux
2 6 (35.29%) Red Hat Enterprise Linux
2 6 (35.29%) Ubuntu
3 4 (23.53%) Unix
4 1 (5.88%) Solaris
4 1 (5.88%) Windows
4 1 (5.88%) Windows Server
Processes & Methodologies
1 12 (70.59%) DevOps
2 8 (47.06%) Configuration Management
3 7 (41.18%) Agile Software Development
4 4 (23.53%) Performance Optimisation
5 3 (17.65%) Continuous Improvement
5 3 (17.65%) Infrastructure Management
5 3 (17.65%) Open Source
5 3 (17.65%) Security Patching
5 3 (17.65%) Software Engineering
6 2 (11.76%) Web Operations
7 1 (5.88%) Migration
7 1 (5.88%) Scrum
7 1 (5.88%) Stakeholder Management
Programming Languages
1 8 (47.06%) Bash Shell
2 7 (41.18%) Python
2 7 (41.18%) Ruby
3 4 (23.53%) Shell Script
4 3 (17.65%) JavaScript
4 3 (17.65%) PHP
5 2 (11.76%) Perl
Qualifications
1 1 (5.88%) SC Cleared
1 1 (5.88%) Security Cleared
System Software
1 4 (23.53%) Docker
1 4 (23.53%) VMware ESXi
2 1 (5.88%) KVM
2 1 (5.88%) VMware Infrastructure
Systems Management
1 9 (52.94%) Graphite
2 7 (41.18%) Nagios
2 7 (41.18%) Opsview
2 7 (41.18%) Puppet
3 6 (35.29%) Opscode Chef
4 5 (29.41%) Grafana
4 5 (29.41%) Kubernetes
5 3 (17.65%) Icinga
5 3 (17.65%) Packer
5 3 (17.65%) Prometheus
5 3 (17.65%) Rancher
5 3 (17.65%) Terraform
6 2 (11.76%) Ansible
7 1 (5.88%) Red Hat Satellite
7 1 (5.88%) yum
Vendors
1 11 (64.71%) Red Hat
2 5 (29.41%) New Relic
3 4 (23.53%) Splunk
3 4 (23.53%) VMware