Period
to 16 January 2018

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 16 January 2018 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
16 Jan 2018
Same period 2017 Same period 2016
Rank 139 126 146
Rank change year-on-year -13 +20 -37
Contract jobs citing CentOS 16 27 35
As % of all contract IT jobs advertised in West Yorkshire 0.53% 0.84% 0.83%
As % of the Operating Systems category 2.94% 4.21% 3.67%
Number of daily rates quoted 15 26 28
West Yorkshire median daily rate £475 £364 £450
Median daily rate % change year-on-year +30.58% -19.17% +80.00%
10th Percentile £416 £213 £344
90th Percentile £570 £570 £566
Yorkshire median daily rate £500 £431 £450
% change year-on-year +15.94% -4.17% +80.00%
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 545 641 954
As % of all contract IT jobs advertised in West Yorkshire 18.05% 19.84% 22.75%
Number of daily rates quoted 345 382 556
West Yorkshire median daily rate £420 £400 £388
Median daily rate % change year-on-year +5.00% +3.23% +10.71%
10th Percentile £175 £200 £175
90th Percentile £550 £525 £533
Yorkshire median daily rate £420 £390 £393
% change year-on-year +7.69% -0.64% +17.16%
Number of hourly rates quoted 44 36 83
West Yorkshire median hourly rate £13.85 £12.75 £13.00
Median hourly rate % change year-on-year +8.63% -1.92% +8.33%
10th Percentile £10.00 £9.80 £8.97
90th Percentile £20.01 £24.38 £18.75
Yorkshire median hourly rate £14.00 £14.48 £13.00
% change year-on-year -3.31% +11.38% -

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 16 January 2018.

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 16 January 2018. 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 -5 16 £475 +30.58% 8
CentOS
Yorkshire

For the 6 months to 16 January 2018, 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 16 (100.00%) Linux
2 12 (75.00%) DevOps
3 11 (68.75%) Configuration Management
3 11 (68.75%) Red Hat Enterprise Linux
4 9 (56.25%) Git (software)
4 9 (56.25%) Amazon AWS
4 9 (56.25%) Bash Shell
4 9 (56.25%) Red Hat
4 9 (56.25%) Opsview
4 9 (56.25%) Graphite
5 8 (50.00%) Python
5 8 (50.00%) Ruby
5 8 (50.00%) Opscode Chef
6 7 (43.75%) Splunk
7 6 (37.50%) Jenkins
7 6 (37.50%) Puppet
8 5 (31.25%) Memcached
8 5 (31.25%) New Relic
8 5 (31.25%) Redis
8 5 (31.25%) MongoDB
8 5 (31.25%) RabbitMQ
8 5 (31.25%) Node.js
8 5 (31.25%) Nagios
8 5 (31.25%) Agile Software Development
8 5 (31.25%) LAMP
8 5 (31.25%) Games
8 5 (31.25%) JavaScript
8 5 (31.25%) PHP
8 5 (31.25%) Unix
8 5 (31.25%) Grafana

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 (25.00%) Cloud Foundry
2 1 (6.25%) nginx
2 1 (6.25%) Tomcat
Cloud Services
1 9 (56.25%) Amazon AWS
2 4 (25.00%) Heroku
2 4 (25.00%) Microsoft Azure
Communications & Networking
1 4 (25.00%) DNS
1 4 (25.00%) HTTP
2 2 (12.50%) Network Security
Database & Business Intelligence
1 5 (31.25%) MongoDB
1 5 (31.25%) Redis
2 1 (6.25%) NoSQL
Development Applications
1 9 (56.25%) Git (software)
2 6 (37.50%) Jenkins
3 4 (25.00%) Sonatype Nexus
4 1 (6.25%) Vagrant
General
1 5 (31.25%) Games
2 2 (12.50%) Finance
3 1 (6.25%) Banking
Job Titles
1 11 (68.75%) DevOps Engineer
2 7 (43.75%) Linux Engineer
3 5 (31.25%) Linux DevOps Engineer
3 5 (31.25%) Linux/Unix DevOps
4 4 (25.00%) AWS Engineer
5 3 (18.75%) AWS DevOps
5 3 (18.75%) AWS DevOps Engineer
5 3 (18.75%) Azure DevOps
5 3 (18.75%) Azure DevOps Engineer
5 3 (18.75%) Azure Engineer
5 3 (18.75%) JavaScript Engineer
5 3 (18.75%) WebOps Engineer
6 2 (12.50%) Cloud Engineer
6 2 (12.50%) Nagios Engineer
7 1 (6.25%) Linux Scripter
7 1 (6.25%) Linux Systems Engineer
7 1 (6.25%) Senior Cloud Engineer
7 1 (6.25%) Senior DevOps
7 1 (6.25%) Senior DevOps Engineer
7 1 (6.25%) UI Engineer
Libraries, Frameworks & Software Standards
1 5 (31.25%) LAMP
1 5 (31.25%) Memcached
1 5 (31.25%) Node.js
1 5 (31.25%) RabbitMQ
2 1 (6.25%) Middleware
Miscellaneous
1 3 (18.75%) Private Cloud
2 1 (6.25%) Analytical Skills
2 1 (6.25%) Mainframe
2 1 (6.25%) Management Information System
Operating Systems
1 16 (100.00%) Linux
2 11 (68.75%) Red Hat Enterprise Linux
3 5 (31.25%) Unix
4 2 (12.50%) Windows
5 1 (6.25%) AIX
5 1 (6.25%) HPUX
5 1 (6.25%) Solaris
5 1 (6.25%) SUSE
5 1 (6.25%) Ubuntu
5 1 (6.25%) Windows Server
5 1 (6.25%) Windows Server 2012
Processes & Methodologies
1 12 (75.00%) DevOps
2 11 (68.75%) Configuration Management
3 5 (31.25%) Agile Software Development
4 4 (25.00%) Performance Optimisation
5 3 (18.75%) Infrastructure Management
5 3 (18.75%) Software Engineering
5 3 (18.75%) Web Operations
6 2 (12.50%) Continuous Improvement
7 1 (6.25%) Business Intelligence
7 1 (6.25%) Identity Access Management
7 1 (6.25%) Open Source
7 1 (6.25%) Product Management
7 1 (6.25%) Regulatory Compliance
7 1 (6.25%) SDLC
7 1 (6.25%) Security Patching
7 1 (6.25%) Security Testing
7 1 (6.25%) Software Delivery
Programming Languages
1 9 (56.25%) Bash Shell
2 8 (50.00%) Python
2 8 (50.00%) Ruby
3 5 (31.25%) JavaScript
3 5 (31.25%) PHP
4 4 (25.00%) Shell Script
Quality Assurance & Compliance
1 1 (6.25%) Sarbanes-Oxley
1 1 (6.25%) SLA
System Software
1 1 (6.25%) Docker
1 1 (6.25%) Hyper-V
1 1 (6.25%) KVM
1 1 (6.25%) VMware ESXi
Systems Management
1 9 (56.25%) Graphite
1 9 (56.25%) Opsview
2 8 (50.00%) Opscode Chef
3 6 (37.50%) Puppet
4 5 (31.25%) Grafana
4 5 (31.25%) Nagios
5 4 (25.00%) Ansible
5 4 (25.00%) Kubernetes
6 1 (6.25%) Icinga
6 1 (6.25%) Packer
6 1 (6.25%) Prometheus
6 1 (6.25%) Rancher
6 1 (6.25%) Terraform
Vendors
1 9 (56.25%) Red Hat
2 7 (43.75%) Splunk
3 5 (31.25%) New Relic
4 2 (12.50%) HP
5 1 (6.25%) Dell
5 1 (6.25%) IBM
5 1 (6.25%) Microsoft
5 1 (6.25%) Oracle
5 1 (6.25%) VMware