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 5 December 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
5 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 82 97 66
Rank change year-on-year
+15 -31
Contract jobs citing CentOS 11 7 22
As % of all contract IT jobs located in Leeds 0.95% 0.45% 1.87%
As % of the Operating Systems category 4.47% 2.18% 6.61%
Number of daily rates quoted 10 7 19
Median daily rate £456 £508 £250
Median daily rate % change year-on-year
-10.18% +103.20%
90% offered a daily rate of more than £223 £484 £220
10% offered a daily rate of more than £603 £580 £350
UK excluding London median daily rate £450 £415 £375
% change year-on-year
+8.56% +10.53%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.00 £50.50 -
% change year-on-year
-64.35% -
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
246 321 333
As % of all contract IT jobs located in Leeds 21.26% 20.46% 28.27%
Number of daily rates quoted 144 194 210
Median daily rate £425 £393 £315
Median daily rate % change year-on-year
+8.28% +24.60%
90% offered a daily rate of more than £200 £120 £175
10% offered a daily rate of more than £500 £550 £430
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 15 31 18
Median hourly rate £13.50 £15.00 £13.50
Median hourly rate % change year-on-year
-10.00% +11.11%
90% offered a hourly rate of more than £12.25 £9.91 £10.05
10% offered a hourly rate of more than £36.75 £17.50 £22.50
UK excluding London median hourly rate £16.50 £16.50 £16.00
% change year-on-year
- +3.12%

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 5 December 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 5 December 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 36 (100.00%) Linux
2 24 (66.67%) Ubuntu
3 20 (55.56%) Splunk
4 17 (47.22%) VMware
5 16 (44.44%) Red Hat
5 16 (44.44%) DevOps
6 15 (41.67%) Grafana
6 15 (41.67%) Nagios
7 12 (33.33%) Degree
8 11 (30.56%) Opscode Chef
8 11 (30.56%) SAN
9 10 (27.78%) DNS
9 10 (27.78%) VMware Server
10 9 (25.00%) Security Cleared
10 9 (25.00%) OpenStack
10 9 (25.00%) Ansible
11 8 (22.22%) Jenkins
11 8 (22.22%) Red Hat Enterprise Linux
11 8 (22.22%) NHS
12 7 (19.44%) Firewall
12 7 (19.44%) VMware Infrastructure
12 7 (19.44%) F5
12 7 (19.44%) Disclosure Scotland
13 6 (16.67%) Cloud Foundry
13 6 (16.67%) Terraform
13 6 (16.67%) BPSS Clearance
13 6 (16.67%) Continuous Improvement
13 6 (16.67%) Puppet
13 6 (16.67%) MongoDB
13 6 (16.67%) Amazon AWS

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 9 (25.00%) OpenStack
2 6 (16.67%) Apache
2 6 (16.67%) Cloud Foundry
2 6 (16.67%) nginx
2 6 (16.67%) Tomcat
3 5 (13.89%) Confluence
3 5 (13.89%) GlassFish
4 1 (2.78%) CloudStack
4 1 (2.78%) IIS
4 1 (2.78%) Jetty
4 1 (2.78%) Mongrel
4 1 (2.78%) WebSphere
Cloud Services
1 6 (16.67%) Amazon AWS
2 4 (11.11%) PaaS
3 1 (2.78%) AWS CloudFormation
3 1 (2.78%) DigitalOcean
3 1 (2.78%) Heroku
3 1 (2.78%) IaaS
3 1 (2.78%) Microsoft Azure
Communications & Networking
1 11 (30.56%) SAN
2 10 (27.78%) DNS
3 7 (19.44%) Firewall
4 5 (13.89%) F5 BIG-IP GTM
4 5 (13.89%) F5 BIG-IP LTM
5 4 (11.11%) LDAP
6 3 (8.33%) SMTP
6 3 (8.33%) SNMP
6 3 (8.33%) TCP/IP
7 2 (5.56%) DHCP
7 2 (5.56%) Network Security
8 1 (2.78%) Kerberos
8 1 (2.78%) LAN
8 1 (2.78%) MPLS
8 1 (2.78%) Reverse Proxy
8 1 (2.78%) WAN
Database & Business Intelligence
1 6 (16.67%) MongoDB
2 5 (13.89%) PostgreSQL
2 5 (13.89%) Redis
3 2 (5.56%) Big Data
3 2 (5.56%) Hadoop
4 1 (2.78%) MySQL
Development Applications
1 8 (22.22%) Jenkins
2 5 (13.89%) Git (software)
2 5 (13.89%) Gitweb
2 5 (13.89%) JIRA
3 1 (2.78%) GoCD
3 1 (2.78%) Travis CI
General
1 6 (16.67%) Back Office
2 1 (2.78%) Billing
2 1 (2.78%) Retail
2 1 (2.78%) Telecoms
Job Titles
1 13 (36.11%) DevOps Engineer
2 6 (16.67%) Support Technician
3 5 (13.89%) Analyst
4 4 (11.11%) Infrastructure Engineer
4 4 (11.11%) Linux Engineer
4 4 (11.11%) Senior Support Technician
4 4 (11.11%) Senior Technician
4 4 (11.11%) Support Analyst
5 3 (8.33%) 2nd Line Support
5 3 (8.33%) 3rd Line Engineer
5 3 (8.33%) 3rd Line Infrastructure Engineer
5 3 (8.33%) AWS DevOps
5 3 (8.33%) AWS Engineer
5 3 (8.33%) Infrastructure Analyst
5 3 (8.33%) Linux DevOps Engineer
5 3 (8.33%) Linux/Unix DevOps
5 3 (8.33%) Operations Engineer
5 3 (8.33%) Systems Analyst
5 3 (8.33%) Systems Engineer
6 2 (5.56%) Support Engineer
Libraries, Frameworks & Software Standards
1 5 (13.89%) CSS
1 5 (13.89%) HTML
1 5 (13.89%) LAPP Stack
1 5 (13.89%) Node.js
1 5 (13.89%) RabbitMQ
2 4 (11.11%) XML
3 1 (2.78%) AngularJS
3 1 (2.78%) LEMP Stack
3 1 (2.78%) React
Miscellaneous
1 8 (22.22%) NHS
2 3 (8.33%) Enterprise Cloud
2 3 (8.33%) Public Cloud
3 1 (2.78%) Data Centre
3 1 (2.78%) Digital Media
3 1 (2.78%) Management Information System
Operating Systems
1 36 (100.00%) Linux
2 24 (66.67%) Ubuntu
3 8 (22.22%) Red Hat Enterprise Linux
4 6 (16.67%) Windows
5 5 (13.89%) Windows Server 2008
6 3 (8.33%) Fedora
7 2 (5.56%) Windows Server
8 1 (2.78%) Windows Server 2012
Processes & Methodologies
1 16 (44.44%) DevOps
2 6 (16.67%) Continuous Improvement
2 6 (16.67%) ITIL
2 6 (16.67%) Service Management
2 6 (16.67%) Workflow
3 5 (13.89%) Agile Software Development
3 5 (13.89%) Kanban
3 5 (13.89%) Scrum
3 5 (13.89%) Security Patching
4 4 (11.11%) Configuration Management
5 3 (8.33%) Open Source
5 3 (8.33%) Software Engineering
6 2 (5.56%) CRM
6 2 (5.56%) Load Balancing
7 1 (2.78%) Disaster Recovery
7 1 (2.78%) ERP
7 1 (2.78%) Migration
7 1 (2.78%) Service Delivery
7 1 (2.78%) SOA
7 1 (2.78%) Unit Testing
Programming Languages
1 6 (16.67%) JavaScript
1 6 (16.67%) PHP
2 5 (13.89%) Python
3 2 (5.56%) Java
3 2 (5.56%) Ruby
4 1 (2.78%) Go
4 1 (2.78%) Perl
4 1 (2.78%) PowerShell
Qualifications
1 12 (33.33%) Degree
2 9 (25.00%) Security Cleared
3 6 (16.67%) BPSS Clearance
4 3 (8.33%) SC Cleared
5 1 (2.78%) CCNA
5 1 (2.78%) Cisco Certification
Quality Assurance & Compliance
1 7 (19.44%) Disclosure Scotland
2 2 (5.56%) QA
System Software
1 10 (27.78%) VMware Server
2 7 (19.44%) VMware Infrastructure
3 6 (16.67%) Squid
4 5 (13.89%) NFS
5 1 (2.78%) Active Directory
5 1 (2.78%) Docker
5 1 (2.78%) vCloud
5 1 (2.78%) vSphere
5 1 (2.78%) Xen
Systems Management
1 15 (41.67%) Grafana
1 15 (41.67%) Nagios
2 11 (30.56%) Opscode Chef
3 9 (25.00%) Ansible
4 6 (16.67%) Puppet
4 6 (16.67%) Terraform
5 5 (13.89%) Graphite
5 5 (13.89%) Graylog
5 5 (13.89%) HAProxy
5 5 (13.89%) Icinga
5 5 (13.89%) StatsD
6 3 (8.33%) Salt
7 1 (2.78%) Packer
Vendors
1 20 (55.56%) Splunk
2 17 (47.22%) VMware
3 16 (44.44%) Red Hat
4 7 (19.44%) F5
5 6 (16.67%) Oracle
6 5 (13.89%) New Relic
6 5 (13.89%) Palo Alto
7 2 (5.56%) RightScale
8 1 (2.78%) Cisco
8 1 (2.78%) Citrix
8 1 (2.78%) Microsoft
8 1 (2.78%) Rackspace
8 1 (2.78%) Salesforce.com