The table below looks at the statistics for CentOS skills in IT contracts advertised for the South West region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 7 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
7 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 122 147 90
Rank change year-on-year
+25 -57
Contract jobs citing CentOS 18 6 60
As % of all contract IT jobs located in the South West 0.65% 0.19% 1.84%
As % of the Operating Systems category 3.04% 0.92% 7.81%
Number of daily rates quoted 15 6 51
Median daily rate £425 £488 £400
Median daily rate % change year-on-year
-12.82% +21.87%
90% offered a daily rate of more than £269 £363 £325
10% offered a daily rate of more than £515 £500 £450
UK excluding London median daily rate £450 £409 £375
% change year-on-year
+10.02% +9.06%
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
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 West region.

Operating Systems Category
South West
Contract IT job ads with a match in the
Operating Systems category
592 651 768
As % of all contract IT jobs located in the South West 21.37% 20.29% 23.57%
Number of daily rates quoted 348 369 399
Median daily rate £315 £350 £350
Median daily rate % change year-on-year
-10.00% -
90% offered a daily rate of more than £113 £135 £165
10% offered a daily rate of more than £492 £475 £500
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 84 65 127
Median hourly rate £14.63 £17.50 £19.00
Median hourly rate % change year-on-year
-16.42% -7.89%
90% offered a hourly rate of more than £11.91 £12.00 £11.00
10% offered a hourly rate of more than £45.00 £42.50 £40.00
UK excluding London median hourly rate £16.50 £16.50 £16.00
% change year-on-year
- +3.12%

CentOS
Jobs Demand Trend in the South West

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

CentOS Jobs Demand Trend in the South West

CentOS
Daily Rate Trend in the South West

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

CentOS Daily Rate Trend in the South West

CentOS
Daily Rate Histogram in the South West

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the South West region over the 3 months to 7 December 2016.

CentOS Daily Rate Histogram in the South West

CentOS
Hourly Rate Trend in the South West

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

CentOS Hourly Rate Trend in the South West

CentOS
Contract Job Locations in the South West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the South West region over the 3 months to 7 December 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Wiltshire - 12 £425 - 1
Gloucestershire +6 3 £450 +38.46% 2
Somerset - 2 £425 -
Bristol +9 1 - - 4
CentOS
England

CentOS
Top 30 Related IT Skills in the South West

For the 6 months to 7 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 South West region with a requirement for CentOS.

1 27 (100.00%) Linux
2 17 (62.96%) Red Hat
3 15 (55.56%) Jenkins
3 15 (55.56%) DevOps
4 14 (51.85%) Red Hat Enterprise Linux
5 13 (48.15%) Amazon AWS
6 12 (44.44%) JIRA
6 12 (44.44%) Ansible
6 12 (44.44%) Docker
7 11 (40.74%) TCP/IP
7 11 (40.74%) Oracle
8 10 (37.04%) MySQL
8 10 (37.04%) Python
8 10 (37.04%) Configuration Management
8 10 (37.04%) Bash Shell
9 9 (33.33%) Puppet
9 9 (33.33%) Perl
10 8 (29.63%) Java
11 7 (25.93%) SQL
11 7 (25.93%) Subversion
11 7 (25.93%) Security Cleared
11 7 (25.93%) Ruby
11 7 (25.93%) Google Cloud Platform
12 6 (22.22%) Agile Software Development
12 6 (22.22%) Atlassian Bamboo
12 6 (22.22%) Continuous Integration
12 6 (22.22%) Wiki
12 6 (22.22%) Open Source
12 6 (22.22%) Hudson
12 6 (22.22%) GitHub

CentOS
Top Related IT Skills in the South West 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 6 (22.22%) Apache
1 6 (22.22%) Confluence
1 6 (22.22%) Tomcat
2 1 (3.70%) Elasticsearch
2 1 (3.70%) JBoss
2 1 (3.70%) WebSphere
Business Applications
1 2 (7.41%) SAP Oil and Gas
2 1 (3.70%) IBM Operational Decision Manager
Cloud Services
1 13 (48.15%) Amazon AWS
2 7 (25.93%) Google Cloud Platform
3 6 (22.22%) GitHub
4 5 (18.52%) Amazon EC2
4 5 (18.52%) Amazon ElastiCache
4 5 (18.52%) Amazon S3
4 5 (18.52%) AWS Elastic Beanstalk
4 5 (18.52%) AWS Lambda
4 5 (18.52%) Route 53
4 5 (18.52%) Virtual Private Cloud
5 3 (11.11%) Microsoft Azure
6 1 (3.70%) Cloud Computing
6 1 (3.70%) Office 365
Communications & Networking
1 11 (40.74%) TCP/IP
2 5 (18.52%) HTTP
2 5 (18.52%) SSL
3 4 (14.81%) VPN
4 1 (3.70%) NAS
4 1 (3.70%) Network Security
4 1 (3.70%) SAN
4 1 (3.70%) VoIP
4 1 (3.70%) Wireshark
Database & Business Intelligence
1 10 (37.04%) MySQL
2 6 (22.22%) PostgreSQL
3 5 (18.52%) Amazon RDS
4 4 (14.81%) Amazon DynamoDB
4 4 (14.81%) Apache Cassandra
4 4 (14.81%) MongoDB
4 4 (14.81%) NoSQL
4 4 (14.81%) SQL Server
5 1 (3.70%) Apache Accumulo
5 1 (3.70%) Big Data
5 1 (3.70%) Oracle Database
5 1 (3.70%) Oracle Database 12c
Development Applications
1 15 (55.56%) Jenkins
2 12 (44.44%) JIRA
3 7 (25.93%) Subversion
4 6 (22.22%) Atlassian Bamboo
4 6 (22.22%) Hudson
5 5 (18.52%) Sonatype Nexus
6 4 (14.81%) Artifactory
6 4 (14.81%) SonarQube
6 4 (14.81%) Vagrant
7 3 (11.11%) Git (software)
8 2 (7.41%) Bitbucket
8 2 (7.41%) JUnit
8 2 (7.41%) Maven
9 1 (3.70%) Ant
9 1 (3.70%) CMake
9 1 (3.70%) EasyMock
9 1 (3.70%) Eclipse
General
1 2 (7.41%) Electronics
1 2 (7.41%) Finance
1 2 (7.41%) Manufacturing
1 2 (7.41%) Marketing
1 2 (7.41%) Telecoms
Job Titles
1 10 (37.04%) DevOps Engineer
2 5 (18.52%) Administrator
2 5 (18.52%) AWS DevOps
2 5 (18.52%) AWS Engineer
3 4 (14.81%) Designer
3 4 (14.81%) Lead DevOps
3 4 (14.81%) Linux Administrator
3 4 (14.81%) Linux Engineer
3 4 (14.81%) Linux Systems Administrator
3 4 (14.81%) Senior Linux Engineer
3 4 (14.81%) Systems Administrator
4 3 (11.11%) Senior Designer
5 2 (7.41%) Consultant
5 2 (7.41%) Developer
5 2 (7.41%) Lead DevOps Engineer
5 2 (7.41%) Linux Consultant
6 1 (3.70%) 2nd Line Engineer
6 1 (3.70%) DV Cleared Software Engineer
6 1 (3.70%) Linux/Unix DevOps
6 1 (3.70%) Senior DevOps
Libraries, Frameworks & Software Standards
1 5 (18.52%) ELK Stack
1 5 (18.52%) LAMP
2 2 (7.41%) Middleware
3 1 (3.70%) EJB
3 1 (3.70%) Java EE
3 1 (3.70%) JSF
3 1 (3.70%) LAPP Stack
3 1 (3.70%) Spring
Miscellaneous
1 6 (22.22%) Wiki
2 2 (7.41%) CESG
3 1 (3.70%) Computer Science
3 1 (3.70%) Cyberthreat
Operating Systems
1 27 (100.00%) Linux
2 14 (51.85%) Red Hat Enterprise Linux
3 5 (18.52%) Solaris
4 4 (14.81%) CoreOS
5 3 (11.11%) Debian
6 1 (3.70%) Ubuntu
6 1 (3.70%) Unix
6 1 (3.70%) Windows
6 1 (3.70%) Windows 10
6 1 (3.70%) Windows 7
Processes & Methodologies
1 15 (55.56%) DevOps
2 10 (37.04%) Configuration Management
3 6 (22.22%) Agile Software Development
3 6 (22.22%) Continuous Integration
3 6 (22.22%) Open Source
4 5 (18.52%) Auto-Scaling
4 5 (18.52%) Migration
5 4 (14.81%) Load Balancing
6 3 (11.11%) Scrum
7 2 (7.41%) Business Intelligence
7 2 (7.41%) Digital Marketing
7 2 (7.41%) ITIL
7 2 (7.41%) OO
7 2 (7.41%) OOD
7 2 (7.41%) Programme Management
7 2 (7.41%) Service Delivery
7 2 (7.41%) Software Engineering
8 1 (3.70%) Build Automation
8 1 (3.70%) Kanban
8 1 (3.70%) Unit Testing
Programming Languages
1 10 (37.04%) Bash Shell
1 10 (37.04%) Python
2 9 (33.33%) Perl
3 8 (29.63%) Java
4 7 (25.93%) Ruby
4 7 (25.93%) SQL
5 5 (18.52%) PL/SQL
6 2 (7.41%) C++
6 2 (7.41%) Shell Script
7 1 (3.70%) JavaScript
7 1 (3.70%) PHP
Qualifications
1 7 (25.93%) Security Cleared
2 5 (18.52%) RHCE
3 3 (11.11%) DV Cleared
4 2 (7.41%) CESG Certified Professional
4 2 (7.41%) SC Cleared
5 1 (3.70%) BPSS Clearance
Quality Assurance & Compliance
1 1 (3.70%) Disclosure Scotland
System Software
1 12 (44.44%) Docker
2 6 (22.22%) Active Directory
3 5 (18.52%) Samba
4 4 (14.81%) LXC
4 4 (14.81%) VirtualBox
Systems Management
1 12 (44.44%) Ansible
2 9 (33.33%) Puppet
3 6 (22.22%) Nagios
4 5 (18.52%) OSSEC
5 4 (14.81%) Terraform
6 2 (7.41%) Salt
7 1 (3.70%) Opscode Chef
7 1 (3.70%) SCCM
Vendors
1 17 (62.96%) Red Hat
2 11 (40.74%) Oracle
3 5 (18.52%) New Relic
3 5 (18.52%) SaltStack
4 4 (14.81%) Google
5 2 (7.41%) SAP
6 1 (3.70%) Sonatype