The following table provides summary statistics for contract job vacancies advertised in Leeds 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 25 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
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 83 90 67
Rank change year-on-year +7 -23  
Contract jobs citing CentOS 7 18 36
As % of all contract IT jobs advertised in Leeds 0.65% 1.22% 2.35%
As % of the Operating Systems category 3.68% 4.92% 10.53%
Number of daily rates quoted 7 18 28
Median daily rate £388 £463 £263
Median daily rate % change year-on-year -16.21% +76.19%  
90% offered a daily rate of more than £362 £339 £225
10% offered a daily rate of more than £420 £565 £300
UK excluding London median daily rate £460 £425 £375
% change year-on-year +8.23% +13.33%  
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 Leeds with a requirement for operating system skills.

Contract Operating System Skills
Leeds
Contract job vacancies with a requirement for operating system skills 190 366 342
As % of all contract IT job vacancies advertised in Leeds 17.56% 24.83% 22.37%
Number of daily rates quoted 112 258 214
Median daily rate £388 £401 £325
Median daily rate % change year-on-year -3.24% +23.23%  
90% offered a daily rate of more than £279 £290 £213
10% offered a daily rate of more than £475 £550 £420
UK excluding London median daily rate £375 £363 £345
% change year-on-year +3.44% +5.07%  
Number of hourly rates quoted 9 10 20
Median hourly rate £15.25 £12.50 £17.50
Median hourly rate % change year-on-year +22.00% -28.57%  
90% offered a hourly rate of more than £11.30 £9.08 £9.00
10% offered a hourly rate of more than £22.75 £16.13 £22.50
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

CentOS
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds 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 Leeds

CentOS
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for CentOS in Leeds

CentOS
Contractor Hourly Rate Trend in Leeds

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

Contractor hourly rate trend for CentOS in Leeds

For the 6 months to 25 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 Leeds region with a requirement for CentOS.

1 8 (100.00%) Linux
2 6 (75.00%) Red Hat
3 4 (50.00%) Windows
3 4 (50.00%) Ubuntu
3 4 (50.00%) KVM
3 4 (50.00%) Windows Server
4 3 (37.50%) Graphite
4 3 (37.50%) Red Hat Enterprise Linux
4 3 (37.50%) Hyper-V
4 3 (37.50%) Windows Server 2012
4 3 (37.50%) Microsoft
4 3 (37.50%) Middleware
4 3 (37.50%) HP
4 3 (37.50%) Dell
4 3 (37.50%) Finance
4 3 (37.50%) SUSE
5 2 (25.00%) VMware
5 2 (25.00%) Tomcat
5 2 (25.00%) Python
5 2 (25.00%) LDAP
5 2 (25.00%) Solaris
5 2 (25.00%) Perl
5 2 (25.00%) Jenkins
5 2 (25.00%) Bash Shell
5 2 (25.00%) VMware ESXi
5 2 (25.00%) Ruby
5 2 (25.00%) Agile Software Development
5 2 (25.00%) New Relic
5 2 (25.00%) DevOps
5 2 (25.00%) Elastic Stack

CentOS
Co-occurring IT Skills in Leeds 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 (25.00%) Tomcat
2 1 (12.50%) Apache
2 1 (12.50%) nginx
Communications & Networking
1 2 (25.00%) Firewall
1 2 (25.00%) LDAP
2 1 (12.50%) DMZ
2 1 (12.50%) DNS
2 1 (12.50%) VLAN
Database & Business Intelligence
1 1 (12.50%) MongoDB
1 1 (12.50%) MySQL
1 1 (12.50%) NoSQL
1 1 (12.50%) Redis
Development Applications
1 2 (25.00%) Jenkins
2 1 (12.50%) Git (software)
2 1 (12.50%) Vagrant
General
1 3 (37.50%) Finance
Job Titles
1 4 (50.00%) Linux Engineer
2 3 (37.50%) Linux Systems Engineer
2 3 (37.50%) Systems Engineer
3 2 (25.00%) DevOps Engineer
3 2 (25.00%) Windows Engineer
3 2 (25.00%) Windows Systems Engineer
4 1 (12.50%) 3rd Line Engineer
4 1 (12.50%) Administrator
4 1 (12.50%) Linux Administrator
4 1 (12.50%) Linux Scripter
4 1 (12.50%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 3 (37.50%) Middleware
2 2 (25.00%) Elastic Stack
3 1 (12.50%) LAMP
3 1 (12.50%) Memcached
3 1 (12.50%) Node.js
Miscellaneous
1 1 (12.50%) Analytical Skills
1 1 (12.50%) Data Centre
Operating Systems
1 8 (100.00%) Linux
2 4 (50.00%) Ubuntu
2 4 (50.00%) Windows
2 4 (50.00%) Windows Server
3 3 (37.50%) Red Hat Enterprise Linux
3 3 (37.50%) SUSE
3 3 (37.50%) Windows Server 2012
4 2 (25.00%) Solaris
5 1 (12.50%) AIX
5 1 (12.50%) SUSE Linux Enterprise Server
Processes & Methodologies
1 2 (25.00%) Agile Software Development
1 2 (25.00%) DevOps
2 1 (12.50%) Capacity Management
2 1 (12.50%) Configuration Management
2 1 (12.50%) Continuous Improvement
2 1 (12.50%) Facilities Management
2 1 (12.50%) High Availability
2 1 (12.50%) ITIL
2 1 (12.50%) KYC
2 1 (12.50%) Load Balancing
2 1 (12.50%) Open Source
2 1 (12.50%) Performance Monitoring
2 1 (12.50%) Problem Management
2 1 (12.50%) Scrum
2 1 (12.50%) Security Patching
2 1 (12.50%) Stakeholder Management
Programming Languages
1 2 (25.00%) Bash Shell
1 2 (25.00%) Perl
1 2 (25.00%) Python
1 2 (25.00%) Ruby
2 1 (12.50%) Java
2 1 (12.50%) PHP
Qualifications
1 1 (12.50%) Degree
1 1 (12.50%) ITIL Certification
1 1 (12.50%) SC Cleared
1 1 (12.50%) Security Cleared
Quality Assurance & Compliance
1 1 (12.50%) PCI DSS
System Software
1 4 (50.00%) KVM
2 3 (37.50%) Hyper-V
3 2 (25.00%) VMware ESXi
4 1 (12.50%) Active Directory
4 1 (12.50%) Docker
4 1 (12.50%) VMware Infrastructure
Systems Management
1 3 (37.50%) Graphite
2 2 (25.00%) Grafana
3 1 (12.50%) Icinga
3 1 (12.50%) Kubernetes
3 1 (12.50%) Nagios
3 1 (12.50%) NetBackup
3 1 (12.50%) Opscode Chef
3 1 (12.50%) Opsview
3 1 (12.50%) Packer
3 1 (12.50%) Prometheus
3 1 (12.50%) Puppet
3 1 (12.50%) Rancher
3 1 (12.50%) Red Hat Satellite
3 1 (12.50%) Salt
3 1 (12.50%) Terraform
3 1 (12.50%) yum
Vendors
1 6 (75.00%) Red Hat
2 3 (37.50%) Dell
2 3 (37.50%) HP
2 3 (37.50%) Microsoft
3 2 (25.00%) New Relic
3 2 (25.00%) VMware
4 1 (12.50%) Hitachi
4 1 (12.50%) IBM
4 1 (12.50%) NetApp
4 1 (12.50%) Oracle
4 1 (12.50%) Splunk
4 1 (12.50%) Sun
4 1 (12.50%) Veritas
Leeds, West Yorkshire
Hydrogen Group
Rate: £400.00 - £440.00 per day
Posted: 3 days ago
Leeds
Xiros Ltd
Rate: £150 - £200 per day
Posted: 5 days ago