The table below looks at the statistics for CentOS skills in IT contracts advertised for the Leeds region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 28 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
28 Sep 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 78 100 59
Rank change year-on-year
+22 -41
Contract jobs citing CentOS 25 10 20
As % of all contract IT jobs located in Leeds 1.85% 0.61% 2.03%
As % of the Operating Systems category 8.96% 2.60% 8.97%
Number of daily rates quoted 23 8 18
Median daily rate £413 £300 £225
Median daily rate % change year-on-year
+37.50% +33.33%
90% offered a daily rate of more than £225 £293 £222
10% offered a daily rate of more than £562 £475 £304
UK excluding London median daily rate £425 £395 £375
% change year-on-year
+7.59% +5.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.50 £36.00 -
% change year-on-year
-62.50% -
CentOS
West Yorkshire

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Leeds region.

Operating Systems Category
Leeds
Contract IT job ads with a match in the
Operating Systems category
279 384 223
As % of all contract IT jobs located in Leeds 20.61% 23.53% 22.59%
Number of daily rates quoted 173 237 143
Median daily rate £350 £388 £256
Median daily rate % change year-on-year
-9.67% +51.21%
90% offered a daily rate of more than £225 £195 £150
10% offered a daily rate of more than £525 £488 £430
UK excluding London median daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 11 21 19
Median hourly rate £14.57 £11.67 £13.60
Median hourly rate % change year-on-year
+24.80% -14.15%
90% offered a hourly rate of more than £12.60 £9.80 £10.00
10% offered a hourly rate of more than £42.50 £17.50 £150.00
UK excluding London median hourly rate £15.50 £16.50 £16.50
% change year-on-year
-6.06% -

CentOS
Jobs Demand Trend in Leeds

The demand trend of contract jobs across the Leeds region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Leeds

CentOS
Daily Rate Trend in Leeds

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

CentOS Daily Rate Trend in Leeds

CentOS
Daily Rate Histogram in Leeds

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Leeds region over the 3 months to 28 September 2016.

CentOS Daily Rate Histogram in Leeds

CentOS
Hourly Rate Trend in Leeds

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

CentOS Hourly Rate Trend in Leeds

CentOS
Top 30 Related IT Skills in Leeds

For the 6 months to 28 September 2016, 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 44 (100.00%) Linux
2 32 (72.73%) Ubuntu
3 23 (52.27%) VMware
4 19 (43.18%) Red Hat
5 17 (38.64%) Splunk
5 17 (38.64%) DevOps
6 16 (36.36%) SAN
7 15 (34.09%) Opscode Chef
7 15 (34.09%) VMware Server
8 14 (31.82%) OpenStack
8 14 (31.82%) Nagios
8 14 (31.82%) DNS
8 14 (31.82%) Ansible
8 14 (31.82%) Grafana
9 13 (29.55%) Disclosure Scotland
9 13 (29.55%) Degree
9 13 (29.55%) Security Cleared
10 12 (27.27%) Red Hat Enterprise Linux
10 12 (27.27%) NHS
11 10 (22.73%) BPSS Clearance
12 9 (20.45%) ITIL
12 9 (20.45%) Service Management
12 9 (20.45%) Workflow
12 9 (20.45%) Amazon AWS
13 8 (18.18%) VMware Infrastructure
13 8 (18.18%) Jenkins
13 8 (18.18%) F5
13 8 (18.18%) Puppet
13 8 (18.18%) PaaS
13 8 (18.18%) Back Office

CentOS
Top Related 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 14 (31.82%) OpenStack
2 7 (15.91%) Apache
2 7 (15.91%) Cloud Foundry
2 7 (15.91%) nginx
2 7 (15.91%) Tomcat
3 6 (13.64%) Confluence
3 6 (13.64%) GlassFish
4 1 (2.27%) CloudStack
4 1 (2.27%) IIS
4 1 (2.27%) Jetty
4 1 (2.27%) Mongrel
4 1 (2.27%) WebSphere
Cloud Services
1 9 (20.45%) Amazon AWS
2 8 (18.18%) PaaS
3 1 (2.27%) AWS CloudFormation
3 1 (2.27%) DigitalOcean
3 1 (2.27%) Heroku
3 1 (2.27%) IaaS
3 1 (2.27%) Microsoft Azure
Communications & Networking
1 16 (36.36%) SAN
2 14 (31.82%) DNS
3 8 (18.18%) DHCP
4 7 (15.91%) Firewall
5 6 (13.64%) F5 BIG-IP GTM
5 6 (13.64%) F5 BIG-IP LTM
6 1 (2.27%) Kerberos
6 1 (2.27%) LAN
6 1 (2.27%) LDAP
6 1 (2.27%) MPLS
6 1 (2.27%) Network Security
6 1 (2.27%) Reverse Proxy
6 1 (2.27%) WAN
Database & Business Intelligence
1 7 (15.91%) MongoDB
2 6 (13.64%) PostgreSQL
2 6 (13.64%) Redis
3 2 (4.55%) Big Data
3 2 (4.55%) Hadoop
4 1 (2.27%) MySQL
Development Applications
1 8 (18.18%) Jenkins
2 6 (13.64%) Git (software)
2 6 (13.64%) Gitweb
2 6 (13.64%) JIRA
3 1 (2.27%) GoCD
3 1 (2.27%) Travis CI
General
1 8 (18.18%) Back Office
2 1 (2.27%) Billing
2 1 (2.27%) Retail
2 1 (2.27%) Telecoms
Job Titles
1 17 (38.64%) DevOps Engineer
2 7 (15.91%) AWS DevOps
2 7 (15.91%) AWS Engineer
2 7 (15.91%) Linux DevOps Engineer
2 7 (15.91%) Linux Engineer
2 7 (15.91%) Linux/Unix DevOps
2 7 (15.91%) Support Technician
3 6 (13.64%) Senior Technician
4 5 (11.36%) Senior Support Technician
4 5 (11.36%) Storage Specialist
5 4 (9.09%) Analyst
5 4 (9.09%) Hardware Specialist
6 3 (6.82%) 2nd Line Support
6 3 (6.82%) 3rd Line Engineer
6 3 (6.82%) Infrastructure Analyst
6 3 (6.82%) Infrastructure Engineer
6 3 (6.82%) Operations Engineer
6 3 (6.82%) Support Analyst
6 3 (6.82%) Systems Analyst
6 3 (6.82%) Systems Engineer
Libraries, Frameworks & Software Standards
1 6 (13.64%) LAPP Stack
1 6 (13.64%) Node.js
1 6 (13.64%) RabbitMQ
2 1 (2.27%) AngularJS
2 1 (2.27%) CSS
2 1 (2.27%) HTML
2 1 (2.27%) LEMP Stack
2 1 (2.27%) React
Miscellaneous
1 12 (27.27%) NHS
2 7 (15.91%) Enterprise Cloud
2 7 (15.91%) Public Cloud
3 1 (2.27%) Digital Media
3 1 (2.27%) Management Information System
Operating Systems
1 44 (100.00%) Linux
2 32 (72.73%) Ubuntu
3 12 (27.27%) Red Hat Enterprise Linux
4 7 (15.91%) Fedora
5 2 (4.55%) Windows
6 1 (2.27%) Windows Server
6 1 (2.27%) Windows Server 2008
6 1 (2.27%) Windows Server 2012
Processes & Methodologies
1 17 (38.64%) DevOps
2 9 (20.45%) ITIL
2 9 (20.45%) Service Management
2 9 (20.45%) Workflow
3 7 (15.91%) Open Source
3 7 (15.91%) Software Engineering
4 6 (13.64%) Agile Software Development
4 6 (13.64%) Continuous Improvement
4 6 (13.64%) Kanban
4 6 (13.64%) Scrum
4 6 (13.64%) Security Patching
5 3 (6.82%) Configuration Management
6 2 (4.55%) CRM
6 2 (4.55%) Data Migration
6 2 (4.55%) Migration
7 1 (2.27%) Automated Testing
7 1 (2.27%) Continuous Integration
7 1 (2.27%) TOGAF
7 1 (2.27%) Unit Testing
7 1 (2.27%) Web Development
Programming Languages
1 7 (15.91%) PHP
2 2 (4.55%) Java
2 2 (4.55%) JavaScript
3 1 (2.27%) Go
3 1 (2.27%) Perl
3 1 (2.27%) PowerShell
3 1 (2.27%) Python
3 1 (2.27%) Ruby
Qualifications
1 13 (29.55%) Degree
1 13 (29.55%) Security Cleared
2 10 (22.73%) BPSS Clearance
3 7 (15.91%) SC Cleared
4 1 (2.27%) CCNA
4 1 (2.27%) Cisco Certification
Quality Assurance & Compliance
1 13 (29.55%) Disclosure Scotland
2 1 (2.27%) QA
System Software
1 15 (34.09%) VMware Server
2 8 (18.18%) VMware Infrastructure
3 7 (15.91%) Squid
4 6 (13.64%) NFS
5 1 (2.27%) Active Directory
5 1 (2.27%) Docker
5 1 (2.27%) vCloud
5 1 (2.27%) vSphere
5 1 (2.27%) Xen
Systems Management
1 15 (34.09%) Opscode Chef
2 14 (31.82%) Ansible
2 14 (31.82%) Grafana
2 14 (31.82%) Nagios
3 8 (18.18%) Puppet
4 7 (15.91%) Terraform
5 6 (13.64%) Graphite
5 6 (13.64%) Graylog
5 6 (13.64%) HAProxy
5 6 (13.64%) Icinga
5 6 (13.64%) Salt
5 6 (13.64%) StatsD
6 1 (2.27%) Packer
Vendors
1 23 (52.27%) VMware
2 19 (43.18%) Red Hat
3 17 (38.64%) Splunk
4 8 (18.18%) F5
5 7 (15.91%) Oracle
6 6 (13.64%) New Relic
6 6 (13.64%) Palo Alto
7 1 (2.27%) Cisco
7 1 (2.27%) Citrix
7 1 (2.27%) Microsoft
7 1 (2.27%) Rackspace
7 1 (2.27%) RightScale
7 1 (2.27%) Salesforce.com
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