The table below looks at the statistics for CentOS skills in IT contracts advertised for the Reading region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 24 August 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
24 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 63 74 66
Rank change year-on-year
+11 -8
Contract jobs citing CentOS 1 2 1
As % of all contract IT jobs located in Reading 0.13% 0.21% 0.11%
As % of the Operating Systems category 0.75% 0.78% 0.49%
Number of daily rates quoted 1 2 0
Median daily rate £425 £433 -
Median daily rate % change year-on-year
-1.73% -
UK excluding London median daily rate £425 £338 £375
% change year-on-year
+25.92% -10.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.50 £36.00 £18.75
% change year-on-year
-62.50% +92.00%
CentOS
Berkshire

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

Operating Systems Category
Reading
Contract IT job ads with a match in the
Operating Systems category
134 255 205
As % of all contract IT jobs located in Reading 17.54% 26.15% 23.40%
Number of daily rates quoted 80 155 95
Median daily rate £375 £417 £325
Median daily rate % change year-on-year
-10.07% +28.30%
90% offered a daily rate of more than £145 £236 £203
10% offered a daily rate of more than £550 £500 £481
UK excluding London median daily rate £350 £350 £320
% change year-on-year
- +9.37%
Number of hourly rates quoted 5 30 17
Median hourly rate £43.28 £21.55 £17.50
Median hourly rate % change year-on-year
+100.83% +23.14%
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

CentOS
Jobs Demand Trend in Reading

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

CentOS Jobs Demand Trend in Reading

CentOS
Daily Rate Trend in Reading

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

CentOS Daily Rate Trend in Reading

CentOS
Top 30 Related IT Skills in Reading

For the 6 months to 24 August 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 Reading region with a requirement for CentOS.

1 4 (100.00%) Linux
1 4 (100.00%) Red Hat Enterprise Linux
2 3 (75.00%) VMware
2 3 (75.00%) VMware Infrastructure
2 3 (75.00%) vSphere
2 3 (75.00%) Windows
2 3 (75.00%) SAN
2 3 (75.00%) Red Hat
2 3 (75.00%) OpenStack
3 2 (50.00%) vCloud
3 2 (50.00%) Puppet
3 2 (50.00%) Cisco Nexus
3 2 (50.00%) Jenkins
3 2 (50.00%) DevOps
3 2 (50.00%) Docker
3 2 (50.00%) Data Centre
3 2 (50.00%) Python
3 2 (50.00%) EMC
3 2 (50.00%) TCP/IP
3 2 (50.00%) Cisco
3 2 (50.00%) Amazon AWS
3 2 (50.00%) NAS
3 2 (50.00%) Fedora
3 2 (50.00%) Ubuntu
3 2 (50.00%) VMware Certified Professional (VCP)
3 2 (50.00%) SC Cleared
3 2 (50.00%) Security Cleared
4 1 (25.00%) Software Engineering
4 1 (25.00%) Git (software)
4 1 (25.00%) ZABBIX

CentOS
Top Related IT Skills in Reading 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 3 (75.00%) OpenStack
2 1 (25.00%) Apache
2 1 (25.00%) Elasticsearch
2 1 (25.00%) WebLogic
2 1 (25.00%) WebSphere
2 1 (25.00%) WebSphere Application Server
Cloud Services
1 2 (50.00%) Amazon AWS
2 1 (25.00%) Amazon EC2
2 1 (25.00%) Amazon ELB
2 1 (25.00%) Amazon S3
2 1 (25.00%) CloudBees
2 1 (25.00%) PaaS
Communications & Networking
1 3 (75.00%) SAN
2 2 (50.00%) Cisco Nexus
2 2 (50.00%) NAS
2 2 (50.00%) TCP/IP
3 1 (25.00%) Asterisk PBX
3 1 (25.00%) BGP
3 1 (25.00%) DNS
3 1 (25.00%) EIGRP
3 1 (25.00%) Fibre Channel
3 1 (25.00%) HSRP
3 1 (25.00%) IPsec
3 1 (25.00%) iSCSI
3 1 (25.00%) MPLS
3 1 (25.00%) OSPF
3 1 (25.00%) SSL
3 1 (25.00%) VoIP
3 1 (25.00%) VPN
3 1 (25.00%) VRRP
Database & Business Intelligence
1 1 (25.00%) MySQL
Development Applications
1 2 (50.00%) Jenkins
2 1 (25.00%) Git (software)
2 1 (25.00%) Sonatype Nexus
Job Titles
1 2 (50.00%) Cloud Engineer
1 2 (50.00%) DevOps Engineer
1 2 (50.00%) Senior Cloud Engineer
1 2 (50.00%) Senior VMware Engineer
1 2 (50.00%) VMware Engineer
2 1 (25.00%) Senior DevOps
2 1 (25.00%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 1 (25.00%) ELK Stack
1 1 (25.00%) LAMP
1 1 (25.00%) Middleware
1 1 (25.00%) Web Services
Miscellaneous
1 2 (50.00%) Data Centre
2 1 (25.00%) Enterprise Cloud
2 1 (25.00%) Public Cloud
Operating Systems
1 4 (100.00%) Linux
1 4 (100.00%) Red Hat Enterprise Linux
2 3 (75.00%) Windows
3 2 (50.00%) Fedora
3 2 (50.00%) Ubuntu
4 1 (25.00%) Debian
4 1 (25.00%) Solaris
4 1 (25.00%) Unix
4 1 (25.00%) Windows Server
4 1 (25.00%) Windows Server 2003
4 1 (25.00%) Windows Server 2008
Processes & Methodologies
1 2 (50.00%) DevOps
2 1 (25.00%) Agile Software Development
2 1 (25.00%) Continuous Integration
2 1 (25.00%) Open Source
2 1 (25.00%) Scrum
2 1 (25.00%) Software Engineering
2 1 (25.00%) Waterfall
Programming Languages
1 2 (50.00%) Python
2 1 (25.00%) Bash Shell
2 1 (25.00%) PHP
Qualifications
1 2 (50.00%) SC Cleared
1 2 (50.00%) Security Cleared
1 2 (50.00%) VMware Certified Professional (VCP)
2 1 (25.00%) CCNA
2 1 (25.00%) CCNP
2 1 (25.00%) Cisco Certification
2 1 (25.00%) VCP4
2 1 (25.00%) VCP5
System Software
1 3 (75.00%) VMware Infrastructure
1 3 (75.00%) vSphere
2 2 (50.00%) Docker
2 2 (50.00%) vCloud
3 1 (25.00%) KVM
3 1 (25.00%) NFS
3 1 (25.00%) Oracle RAC
3 1 (25.00%) Postfix
3 1 (25.00%) qmail
3 1 (25.00%) Sendmail
3 1 (25.00%) Varnish
3 1 (25.00%) XenServer
Systems Management
1 2 (50.00%) Puppet
2 1 (25.00%) Ansible
2 1 (25.00%) Backup Exec
2 1 (25.00%) Bacula
2 1 (25.00%) Cacti
2 1 (25.00%) cPanel
2 1 (25.00%) Grafana
2 1 (25.00%) Graphite
2 1 (25.00%) Kibana
2 1 (25.00%) logstash
2 1 (25.00%) Nagios
2 1 (25.00%) NetBackup
2 1 (25.00%) Opscode Chef
2 1 (25.00%) Plesk
2 1 (25.00%) Red Hat Satellite
2 1 (25.00%) Red Hat Spacewalk
2 1 (25.00%) Salt
2 1 (25.00%) SCOM
2 1 (25.00%) ZABBIX
Vendors
1 3 (75.00%) Red Hat
1 3 (75.00%) VMware
2 2 (50.00%) Cisco
2 2 (50.00%) EMC
3 1 (25.00%) Citrix
3 1 (25.00%) CommVault
3 1 (25.00%) Hitachi
3 1 (25.00%) IBM
3 1 (25.00%) NetApp
3 1 (25.00%) Oracle
3 1 (25.00%) Rackspace
3 1 (25.00%) Symantec