The table below looks at the statistics for CentOS skills in IT contracts advertised for the South East region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 8 February 2016 with a comparison to the same period in 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.

Location
3 months to
8 Feb 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 210 218 235
Rank change year-on-year
+8 +17
Contract jobs citing CentOS 47 41 11
As % of all contract IT jobs located in the South East 0.55% 0.43% 0.13%
As % of the Operating Systems category 2.20% 1.77% 0.54%
Number of daily rates quoted 31 21 9
Average daily rate £448 £350 £400
Average daily rate % change year-on-year
+27.85% -12.50%
90% offered a daily rate of more than £338 £250 £305
10% offered a daily rate of more than £500 £440 £430
UK excluding London average daily rate £450 £350 £400
% change year-on-year
+28.57% -12.50%
Number of hourly rates quoted 0 1 0
Average hourly rate - £47.50 -
UK excluding London average hourly rate £50.50 £47.50 £15.00
% change year-on-year
+6.31% +216.66%
CentOS
England

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

Operating Systems Category
South East
Contract IT job ads with a match in the
Operating Systems category
2133 2314 2026
As % of all contract IT jobs located in the South East 24.93% 24.44% 24.20%
Number of daily rates quoted 1266 1130 899
Average daily rate £360 £325 £326
Average daily rate % change year-on-year
+10.76% -0.38%
90% offered a daily rate of more than £190 £174 £140
10% offered a daily rate of more than £513 £470 £450
UK excluding London average daily rate £350 £338 £307
% change year-on-year
+3.70% +9.93%
Number of hourly rates quoted 171 195 239
Average hourly rate £19.00 £16.75 £16.00
Average hourly rate % change year-on-year
+13.43% +4.68%
90% offered a hourly rate of more than £12.00 £12.42 £12.07
10% offered a hourly rate of more than £52.50 £40.00 £32.50
UK excluding London average hourly rate £17.50 £16.00 £15.00
% change year-on-year
+9.37% +6.66%

CentOS
Jobs Demand Trend in the South East

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the South East region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in the South East

CentOS
Daily Rate Trend in the South East

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

CentOS Daily Rate Trend in the South East

CentOS
Daily Rate Histogram in the South East

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the South East region over the 3 months to 8 February 2016.

CentOS Daily Rate Histogram in the South East

CentOS
Hourly Rate Trend in the South East

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

CentOS Hourly Rate Trend in the South East

CentOS
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing CentOS within the South East region over the 3 months to 8 February 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Berkshire +27 28 £450 +7.78% 12
Hampshire +3 11 £373 +3.83% 6
Surrey -2 6 £338 - 9
East Sussex - 2 - -
CentOS
England

CentOS
Top 30 Related IT Skills in the South East

For the 6 months to 8 February 2016, IT contractor jobs across the South East region citing CentOS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CentOS.

1 86 (84.31%) Linux
2 71 (69.61%) Red Hat Enterprise Linux
3 53 (51.96%) Red Hat
4 33 (32.35%) Security Cleared
5 32 (31.37%) WebSphere
6 31 (30.39%) SC Cleared
7 30 (29.41%) Puppet
8 29 (28.43%) JavaScript
8 29 (28.43%) Python
9 28 (27.45%) AIX
9 28 (27.45%) Ubuntu
10 27 (26.47%) Bash Shell
10 27 (26.47%) IBM
10 27 (26.47%) DevOps
11 26 (25.49%) WebSphere Application Server
12 24 (23.53%) Agile Software Development
13 23 (22.55%) WebSphere Process Server
14 22 (21.57%) VMware
15 21 (20.59%) Configuration Management
16 20 (19.61%) Java
17 19 (18.63%) Amazon AWS
18 17 (16.67%) VMware Infrastructure
18 17 (16.67%) Unix
19 16 (15.69%) Windows
19 16 (15.69%) PHP
19 16 (15.69%) Subversion
20 15 (14.71%) SQL
21 14 (13.73%) Microsoft
21 14 (13.73%) Apache
22 13 (12.75%) MySQL

CentOS
Top Related IT Skills in the South East by Category

For the 6 months to 8 February 2016, IT contractor jobs across the South East region citing CentOS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 32 (31.37%) WebSphere
2 26 (25.49%) WebSphere Application Server
3 23 (22.55%) WebSphere Process Server
4 14 (13.73%) Apache
5 13 (12.75%) Elasticsearch
6 12 (11.76%) Tomcat
7 10 (9.80%) JBoss
8 6 (5.88%) WebLogic
9 5 (4.90%) OpenStack
10 2 (1.96%) Adobe Experience Manager
10 2 (1.96%) CMS
10 2 (1.96%) concrete5
10 2 (1.96%) Drupal
10 2 (1.96%) ExpressionEngine
10 2 (1.96%) Joomla!
10 2 (1.96%) Sitecore CMS
10 2 (1.96%) Umbraco
10 2 (1.96%) WordPress
11 1 (0.98%) IIS
11 1 (0.98%) Oracle HTTP Server
Applications
1 5 (4.90%) MS Excel
2 2 (1.96%) 3ds Max
2 2 (1.96%) Acrobat
2 2 (1.96%) Adobe Illustrator
2 2 (1.96%) GIMP
2 2 (1.96%) MS PowerPoint
2 2 (1.96%) Photoshop
Business Applications
1 2 (1.96%) Magento
Cloud Services
1 19 (18.63%) Amazon AWS
2 4 (3.92%) OpenShift
3 3 (2.94%) Microsoft Azure
4 2 (1.96%) MailChimp
Communications & Networking
1 9 (8.82%) VPN
2 7 (6.86%) iSCSI
3 6 (5.88%) HTTP
3 6 (5.88%) VLAN
4 5 (4.90%) DNS
5 4 (3.92%) Firewall
5 4 (3.92%) FTP
5 4 (3.92%) SMTP
6 3 (2.94%) Cisco ASA
6 3 (2.94%) SAN
7 2 (1.96%) Cisco Nexus
7 2 (1.96%) Network Security
8 1 (0.98%) Ethernet
8 1 (0.98%) Internet
8 1 (0.98%) IP Telephony
8 1 (0.98%) IPsec
8 1 (0.98%) MPLS
8 1 (0.98%) SSL
8 1 (0.98%) TCP/IP
8 1 (0.98%) Wireshark
Database & Business Intelligence
1 13 (12.75%) MySQL
2 10 (9.80%) Big Data
3 8 (7.84%) MongoDB
3 8 (7.84%) NoSQL
4 1 (0.98%) HPCC
4 1 (0.98%) Pentaho
4 1 (0.98%) SQL Server
Development Applications
1 16 (15.69%) Subversion
2 11 (10.78%) Git (software)
3 10 (9.80%) Jenkins
4 8 (7.84%) PHPUnit
5 4 (3.92%) Metasploit
6 3 (2.94%) Ant
6 3 (2.94%) FishEye
6 3 (2.94%) Hudson
6 3 (2.94%) JIRA
6 3 (2.94%) Maven
7 2 (1.96%) Atlassian Bamboo
7 2 (1.96%) Eclipse
7 2 (1.96%) Grunt
General
1 1 (0.98%) Retail
Job Titles
1 21 (20.59%) Infrastructure Engineer
1 21 (20.59%) Linux Engineer
2 16 (15.69%) DevOps Engineer
3 13 (12.75%) Administrator
3 13 (12.75%) Architect
3 13 (12.75%) Linux DevOps Engineer
3 13 (12.75%) Linux/Unix DevOps
4 11 (10.78%) Developer
4 11 (10.78%) Linux Administrator
5 10 (9.80%) Consultant
6 8 (7.84%) Systems Administrator
7 7 (6.86%) Linux Scripter
7 7 (6.86%) Linux Systems Administrator
7 7 (6.86%) Senior DevOps Engineer
7 7 (6.86%) Senior Linux Engineer
7 7 (6.86%) WebSphere Engineer
8 6 (5.88%) AWS Engineer
8 6 (5.88%) Elasticsearch Engineer
8 6 (5.88%) PHP Developer
8 6 (5.88%) WebSphere Consultant
Libraries, Frameworks & Software Standards
1 13 (12.75%) ELK Stack
1 13 (12.75%) RESTful
1 13 (12.75%) Sensu
1 13 (12.75%) Web Services
2 11 (10.78%) REST
3 10 (9.80%) jQuery
4 9 (8.82%) LAMP
5 8 (7.84%) CakePHP
5 8 (7.84%) JSON
5 8 (7.84%) SOAP
5 8 (7.84%) XML
6 5 (4.90%) J2EE
7 3 (2.94%) .NET
8 2 (1.96%) CodeIgniter
8 2 (1.96%) CSS
8 2 (1.96%) Flash
8 2 (1.96%) GreenSock GSAP
8 2 (1.96%) JSP
8 2 (1.96%) Middleware
8 2 (1.96%) MooTools
Miscellaneous
1 7 (6.86%) Data Centre
2 5 (4.90%) Mainframe
3 2 (1.96%) Public Cloud
3 2 (1.96%) Statistics
3 2 (1.96%) User Experience
4 1 (0.98%) Clustering
4 1 (0.98%) Freedom of Information
4 1 (0.98%) Freedom of Information Act
4 1 (0.98%) IBM Mainframe
4 1 (0.98%) Management Information System
4 1 (0.98%) PKI
4 1 (0.98%) Visualisation
Operating Systems
1 86 (84.31%) Linux
2 71 (69.61%) Red Hat Enterprise Linux
3 28 (27.45%) AIX
3 28 (27.45%) Ubuntu
4 17 (16.67%) Unix
5 16 (15.69%) Windows
6 6 (5.88%) Windows Server 2003
6 6 (5.88%) Windows Server 2008
6 6 (5.88%) Windows Server 2012
7 5 (4.90%) SUSE
7 5 (4.90%) Windows Server
8 2 (1.96%) Android
8 2 (1.96%) Apple iOS
8 2 (1.96%) Solaris
9 1 (0.98%) Windows 7
9 1 (0.98%) Windows 8
Processes & Methodologies
1 27 (26.47%) DevOps
2 24 (23.53%) Agile Software Development
3 21 (20.59%) Configuration Management
4 9 (8.82%) ITIL
5 8 (7.84%) Network Monitoring
5 8 (7.84%) OO PHP
5 8 (7.84%) Unit Testing
6 7 (6.86%) High Availability
7 6 (5.88%) Network Design
7 6 (5.88%) Scrum
7 6 (5.88%) SDLC
8 5 (4.90%) ITIL V3
8 5 (4.90%) ITSM
8 5 (4.90%) Mentoring
8 5 (4.90%) Service Management
8 5 (4.90%) Test Scripting
9 4 (3.92%) Continuous Integration
9 4 (3.92%) Open Source
9 4 (3.92%) Penetration Testing
10 3 (2.94%) Software Engineering
Programming Languages
1 29 (28.43%) JavaScript
1 29 (28.43%) Python
2 27 (26.47%) Bash Shell
3 20 (19.61%) Java
4 16 (15.69%) PHP
5 15 (14.71%) SQL
6 10 (9.80%) Perl
7 9 (8.82%) PowerShell
8 8 (7.84%) Shell Script
9 3 (2.94%) C
10 2 (1.96%) ActionScript
10 2 (1.96%) Apple Swift
10 2 (1.96%) C#
10 2 (1.96%) C++
10 2 (1.96%) Objective-C
10 2 (1.96%) Ruby
10 2 (1.96%) VB
Qualifications
1 33 (32.35%) Security Cleared
2 31 (30.39%) SC Cleared
3 10 (9.80%) Cisco Certification
4 8 (7.84%) CCNP
4 8 (7.84%) RHCT
5 6 (5.88%) DV Cleared
6 5 (4.90%) LPIC
7 3 (2.94%) AWS Certification
7 3 (2.94%) CEH
8 2 (1.96%) CCNA
8 2 (1.96%) Degree
Quality Assurance & Compliance
1 10 (9.80%) QA
2 7 (6.86%) SLA
3 4 (3.92%) PCI DSS
4 2 (1.96%) Disclosure Scotland
System Software
1 17 (16.67%) VMware Infrastructure
2 10 (9.80%) Docker
3 9 (8.82%) Active Directory
4 7 (6.86%) NFS
4 7 (6.86%) VMware ESXi
5 5 (4.90%) Hyper-V
6 1 (0.98%) Firmware
6 1 (0.98%) KVM
6 1 (0.98%) vSphere
6 1 (0.98%) Xen
Systems Management
1 30 (29.41%) Puppet
2 13 (12.75%) Ansible
2 13 (12.75%) Graphite
2 13 (12.75%) logstash
2 13 (12.75%) Nagios
2 13 (12.75%) Terraform
3 5 (4.90%) OVSD
3 5 (4.90%) SCCM
4 4 (3.92%) Kubernetes
5 3 (2.94%) Cobbler
5 3 (2.94%) Opscode Chef
5 3 (2.94%) Packer
5 3 (2.94%) SELinux
5 3 (2.94%) vRealize
6 2 (1.96%) FortiGate
6 2 (1.96%) WSUS
7 1 (0.98%) Cacti
7 1 (0.98%) OpenNMS
7 1 (0.98%) Zenoss
Vendors
1 53 (51.96%) Red Hat
2 27 (26.47%) IBM
3 22 (21.57%) VMware
4 14 (13.73%) Microsoft
5 9 (8.82%) Oracle
6 6 (5.88%) Cisco
7 5 (4.90%) HP
8 3 (2.94%) Juniper
9 2 (1.96%) Adobe
9 2 (1.96%) Sitecore
9 2 (1.96%) Zend
10 1 (0.98%) Dell