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 May 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 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 75 72 74
Rank change year-on-year
-3 +2
Contract jobs citing CentOS 3 1 2
As % of all contract IT jobs located in Reading 0.33% 0.11% 0.20%
As % of the Operating Systems category 1.57% 0.42% 0.87%
Number of daily rates quoted 3 1 2
Median daily rate £450 £310 £406
Median daily rate % change year-on-year
+45.16% -23.69%
90% offered a daily rate of more than £430 £310 £391
10% offered a daily rate of more than £490 £310 £421
UK excluding London median daily rate £425 £375 £350
% change year-on-year
+13.33% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - £17.50
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
191 236 230
As % of all contract IT jobs located in Reading 20.99% 25.79% 23.09%
Number of daily rates quoted 112 117 105
Median daily rate £380 £378 £335
Median daily rate % change year-on-year
+0.66% +12.68%
90% offered a daily rate of more than £228 £200 £181
10% offered a daily rate of more than £500 £500 £450
UK excluding London median daily rate £363 £347 £313
% change year-on-year
+4.32% +11.19%
Number of hourly rates quoted 13 22 14
Median hourly rate £14.50 £18.55 £15.50
Median hourly rate % change year-on-year
-21.83% +19.67%
90% offered a hourly rate of more than £12.20 £14.50 £13.00
10% offered a hourly rate of more than £21.33 £24.12 £22.00
UK excluding London median hourly rate £16.50 £15.85 £15.50
% change year-on-year
+4.10% +2.25%

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 May 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 28 (100.00%) Linux
2 23 (82.14%) Red Hat Enterprise Linux
3 19 (67.86%) Bash Shell
3 19 (67.86%) Java
4 17 (60.71%) DevOps
5 14 (50.00%) logstash
5 14 (50.00%) Elasticsearch
5 14 (50.00%) Ansible
5 14 (50.00%) Graphite
5 14 (50.00%) ELK Stack
5 14 (50.00%) Amazon AWS
5 14 (50.00%) Puppet
5 14 (50.00%) Python
5 14 (50.00%) Agile Software Development
5 14 (50.00%) Ubuntu
6 13 (46.43%) Configuration Management
6 13 (46.43%) JavaScript
6 13 (46.43%) Web Services
6 13 (46.43%) RESTful
6 13 (46.43%) Terraform
6 13 (46.43%) Sensu
7 7 (25.00%) Docker
7 7 (25.00%) Big Data
7 7 (25.00%) Oracle
7 7 (25.00%) SLA
7 7 (25.00%) Red Hat
8 6 (21.43%) Shell Script
8 6 (21.43%) SQL
8 6 (21.43%) VPN
8 6 (21.43%) Kubernetes

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 14 (50.00%) Elasticsearch
2 3 (10.71%) Apache
3 2 (7.14%) OpenStack
4 1 (3.57%) WebLogic
4 1 (3.57%) WebSphere
4 1 (3.57%) WebSphere Application Server
Cloud Services
1 14 (50.00%) Amazon AWS
2 6 (21.43%) OpenShift
3 1 (3.57%) Amazon EC2
3 1 (3.57%) Amazon ELB
3 1 (3.57%) Amazon S3
3 1 (3.57%) CloudBees
Communications & Networking
1 6 (21.43%) VPN
2 4 (14.29%) SAN
3 3 (10.71%) Cisco Nexus
3 3 (10.71%) NAS
3 3 (10.71%) TCP/IP
4 2 (7.14%) Cisco ASA
4 2 (7.14%) Firewall
4 2 (7.14%) IPsec
5 1 (3.57%) Asterisk PBX
5 1 (3.57%) BGP
5 1 (3.57%) DNS
5 1 (3.57%) EIGRP
5 1 (3.57%) Fibre Channel
5 1 (3.57%) HSRP
5 1 (3.57%) iSCSI
5 1 (3.57%) MPLS
5 1 (3.57%) OSPF
5 1 (3.57%) SSL
5 1 (3.57%) VoIP
5 1 (3.57%) VRRP
Database & Business Intelligence
1 7 (25.00%) Big Data
2 1 (3.57%) MySQL
Development Applications
1 1 (3.57%) Git (software)
1 1 (3.57%) Jenkins
1 1 (3.57%) Sonatype Nexus
Job Titles
1 14 (50.00%) DevOps Engineer
2 13 (46.43%) Linux DevOps Engineer
2 13 (46.43%) Linux Engineer
2 13 (46.43%) Linux/Unix DevOps
3 7 (25.00%) Linux Scripter
3 7 (25.00%) Senior DevOps Engineer
3 7 (25.00%) Senior Linux Engineer
4 6 (21.43%) AWS Engineer
4 6 (21.43%) Elasticsearch Engineer
5 5 (17.86%) Consultant
6 3 (10.71%) Architect
6 3 (10.71%) Cloud Engineer
6 3 (10.71%) DevOps Consultant
6 3 (10.71%) Security Architect
6 3 (10.71%) Senior Cloud Engineer
6 3 (10.71%) Senior VMware Engineer
6 3 (10.71%) Software Consultant
6 3 (10.71%) VMware Engineer
7 2 (7.14%) Linux Consultant
7 2 (7.14%) Software Engineer
Libraries, Frameworks & Software Standards
1 14 (50.00%) ELK Stack
2 13 (46.43%) RESTful
2 13 (46.43%) Sensu
2 13 (46.43%) Web Services
3 1 (3.57%) LAMP
3 1 (3.57%) Middleware
Miscellaneous
1 3 (10.71%) Data Centre
Operating Systems
1 28 (100.00%) Linux
2 23 (82.14%) Red Hat Enterprise Linux
3 14 (50.00%) Ubuntu
4 4 (14.29%) Windows
5 1 (3.57%) Debian
5 1 (3.57%) Fedora
5 1 (3.57%) Solaris
5 1 (3.57%) Unix
5 1 (3.57%) Windows Server
5 1 (3.57%) Windows Server 2003
5 1 (3.57%) Windows Server 2008
Processes & Methodologies
1 17 (60.71%) DevOps
2 14 (50.00%) Agile Software Development
3 13 (46.43%) Configuration Management
4 5 (17.86%) Software Engineering
4 5 (17.86%) Test Scripting
5 3 (10.71%) Regression Testing
5 3 (10.71%) UML
6 2 (7.14%) Load Balancing
6 2 (7.14%) Open Source
7 1 (3.57%) Continuous Integration
7 1 (3.57%) Network Design
7 1 (3.57%) Scrum
7 1 (3.57%) Waterfall
Programming Languages
1 19 (67.86%) Bash Shell
1 19 (67.86%) Java
2 14 (50.00%) Python
3 13 (46.43%) JavaScript
4 6 (21.43%) Shell Script
4 6 (21.43%) SQL
5 1 (3.57%) PHP
Qualifications
1 3 (10.71%) Security Cleared
1 3 (10.71%) VMware Certified Professional (VCP)
2 2 (7.14%) SC Cleared
2 2 (7.14%) VCP5
3 1 (3.57%) CCNA
3 1 (3.57%) CCNP
3 1 (3.57%) Cisco Certification
3 1 (3.57%) VCP4
Quality Assurance & Compliance
1 7 (25.00%) SLA
System Software
1 7 (25.00%) Docker
2 4 (14.29%) VMware Infrastructure
2 4 (14.29%) vSphere
3 3 (10.71%) vCloud
4 1 (3.57%) KVM
4 1 (3.57%) NFS
4 1 (3.57%) Oracle RAC
4 1 (3.57%) Postfix
4 1 (3.57%) qmail
4 1 (3.57%) Sendmail
4 1 (3.57%) Varnish
4 1 (3.57%) XenServer
Systems Management
1 14 (50.00%) Ansible
1 14 (50.00%) Graphite
1 14 (50.00%) logstash
1 14 (50.00%) Puppet
2 13 (46.43%) Terraform
3 6 (21.43%) Kubernetes
4 3 (10.71%) SELinux
5 1 (3.57%) Backup Exec
5 1 (3.57%) Bacula
5 1 (3.57%) Cacti
5 1 (3.57%) cPanel
5 1 (3.57%) Kibana
5 1 (3.57%) Nagios
5 1 (3.57%) NetBackup
5 1 (3.57%) Plesk
5 1 (3.57%) Red Hat Satellite
5 1 (3.57%) Red Hat Spacewalk
5 1 (3.57%) Salt
5 1 (3.57%) SCOM
5 1 (3.57%) ZABBIX
Vendors
1 7 (25.00%) Oracle
1 7 (25.00%) Red Hat
2 5 (17.86%) Cisco
3 4 (14.29%) VMware
4 3 (10.71%) EMC
5 1 (3.57%) Citrix
5 1 (3.57%) CommVault
5 1 (3.57%) Hitachi
5 1 (3.57%) IBM
5 1 (3.57%) NetApp
5 1 (3.57%) Rackspace
5 1 (3.57%) Symantec