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 16 January 2017 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
16 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
England / South West
Rank 126 147 92
Rank change year-on-year
+21 -55
Contract jobs citing CentOS 6 3 47
As % of all contract IT jobs located in the South West 0.23% 0.10% 1.53%
As % of the Operating Systems category 1.23% 0.52% 6.74%
Number of daily rates quoted 5 3 43
Median daily rate £350 £400 £400
Median daily rate % change year-on-year
-12.50% -
90% offered a daily rate of more than £215 £340 £255
10% offered a daily rate of more than £477 £400 £438
UK excluding London median daily rate £450 £450 £350
% change year-on-year
- +28.57%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.00 £50.50 £47.50
% change year-on-year
-64.35% +6.31%

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
488 580 697
As % of all contract IT jobs located in the South West 18.90% 19.71% 22.62%
Number of daily rates quoted 282 361 378
Median daily rate £300 £345 £350
Median daily rate % change year-on-year
-13.04% -1.42%
90% offered a daily rate of more than £113 £125 £150
10% offered a daily rate of more than £488 £450 £479
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 67 62 102
Median hourly rate £17.50 £21.00 £20.00
Median hourly rate % change year-on-year
-16.66% +5.00%
90% offered a hourly rate of more than £11.91 £12.50 £11.00
10% offered a hourly rate of more than £45.90 £42.75 £35.50
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 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 16 January 2017.

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 16 January 2017. 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 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 - 3 £215 -
Gloucestershire +4 2 £465 +28.27% 3
Bristol +4 1 - - 3
CentOS
England

CentOS
Top 30 Related IT Skills in the South West

For the 6 months to 16 January 2017, 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 22 (100.00%) Linux
2 14 (63.64%) Jenkins
2 14 (63.64%) DevOps
3 13 (59.09%) Red Hat Enterprise Linux
3 13 (59.09%) Amazon AWS
4 12 (54.55%) Ansible
4 12 (54.55%) Docker
4 12 (54.55%) Red Hat
5 10 (45.45%) Python
5 10 (45.45%) Bash Shell
6 8 (36.36%) JIRA
6 8 (36.36%) Java
7 7 (31.82%) SQL
7 7 (31.82%) Oracle
7 7 (31.82%) TCP/IP
7 7 (31.82%) Ruby
7 7 (31.82%) Google Cloud Platform
8 6 (27.27%) Atlassian Bamboo
8 6 (27.27%) Continuous Integration
8 6 (27.27%) Open Source
8 6 (27.27%) Confluence
8 6 (27.27%) MySQL
8 6 (27.27%) Nagios
8 6 (27.27%) Configuration Management
8 6 (27.27%) Agile Software Development
8 6 (27.27%) Subversion
9 5 (22.73%) PostgreSQL
9 5 (22.73%) Migration
9 5 (22.73%) HTTP
9 5 (22.73%) PL/SQL

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 (27.27%) Confluence
2 2 (9.09%) Apache
2 2 (9.09%) Tomcat
3 1 (4.55%) Elasticsearch
3 1 (4.55%) JBoss
3 1 (4.55%) WebSphere
Business Applications
1 2 (9.09%) SAP Oil and Gas
2 1 (4.55%) IBM Operational Decision Manager
Cloud Services
1 13 (59.09%) Amazon AWS
2 7 (31.82%) Google Cloud Platform
3 5 (22.73%) Amazon EC2
3 5 (22.73%) Amazon ElastiCache
3 5 (22.73%) Amazon S3
3 5 (22.73%) AWS Elastic Beanstalk
3 5 (22.73%) AWS Lambda
3 5 (22.73%) GitHub
3 5 (22.73%) Route 53
3 5 (22.73%) Virtual Private Cloud
4 3 (13.64%) Microsoft Azure
5 1 (4.55%) Cloud Computing
5 1 (4.55%) Office 365
Communications & Networking
1 7 (31.82%) TCP/IP
2 5 (22.73%) HTTP
2 5 (22.73%) SSL
3 4 (18.18%) VPN
4 1 (4.55%) NAS
4 1 (4.55%) Network Security
4 1 (4.55%) SAN
4 1 (4.55%) VoIP
4 1 (4.55%) Wireshark
Database & Business Intelligence
1 6 (27.27%) MySQL
2 5 (22.73%) Amazon RDS
2 5 (22.73%) PostgreSQL
3 4 (18.18%) Amazon DynamoDB
3 4 (18.18%) Apache Cassandra
3 4 (18.18%) MongoDB
3 4 (18.18%) NoSQL
3 4 (18.18%) SQL Server
4 1 (4.55%) Apache Accumulo
4 1 (4.55%) Big Data
4 1 (4.55%) Oracle Database
4 1 (4.55%) Oracle Database 12c
Development Applications
1 14 (63.64%) Jenkins
2 8 (36.36%) JIRA
3 6 (27.27%) Atlassian Bamboo
3 6 (27.27%) Subversion
4 5 (22.73%) Hudson
4 5 (22.73%) Sonatype Nexus
5 4 (18.18%) Artifactory
5 4 (18.18%) SonarQube
5 4 (18.18%) Vagrant
6 3 (13.64%) Git (software)
7 2 (9.09%) Bitbucket
7 2 (9.09%) JUnit
7 2 (9.09%) Maven
8 1 (4.55%) Ant
8 1 (4.55%) CMake
8 1 (4.55%) EasyMock
8 1 (4.55%) Eclipse
General
1 2 (9.09%) Electronics
1 2 (9.09%) Finance
1 2 (9.09%) Manufacturing
1 2 (9.09%) Marketing
1 2 (9.09%) Telecoms
Job Titles
1 9 (40.91%) DevOps Engineer
2 5 (22.73%) AWS DevOps
2 5 (22.73%) AWS Engineer
3 4 (18.18%) Administrator
3 4 (18.18%) Lead DevOps
4 3 (13.64%) Linux Administrator
4 3 (13.64%) Linux Systems Administrator
4 3 (13.64%) Systems Administrator
5 2 (9.09%) Consultant
5 2 (9.09%) Developer
5 2 (9.09%) Lead DevOps Engineer
5 2 (9.09%) Linux Consultant
6 1 (4.55%) 2nd Line Engineer
6 1 (4.55%) Cloud Engineer
6 1 (4.55%) Linux/Unix DevOps
6 1 (4.55%) Senior Cloud Engineer
6 1 (4.55%) Senior DevOps
6 1 (4.55%) Senior DevOps Engineer
6 1 (4.55%) Senior WebOps Engineer
6 1 (4.55%) WebOps Engineer
Libraries, Frameworks & Software Standards
1 5 (22.73%) ELK Stack
2 2 (9.09%) Middleware
3 1 (4.55%) EJB
3 1 (4.55%) Java EE
3 1 (4.55%) JSF
3 1 (4.55%) LAMP
3 1 (4.55%) Spring
Miscellaneous
1 2 (9.09%) CESG
1 2 (9.09%) Wiki
2 1 (4.55%) Computer Science
2 1 (4.55%) Cyberthreat
Operating Systems
1 22 (100.00%) Linux
2 13 (59.09%) Red Hat Enterprise Linux
3 4 (18.18%) CoreOS
4 3 (13.64%) Debian
5 1 (4.55%) Solaris
5 1 (4.55%) Ubuntu
5 1 (4.55%) Unix
5 1 (4.55%) Windows
5 1 (4.55%) Windows 10
5 1 (4.55%) Windows 7
Processes & Methodologies
1 14 (63.64%) DevOps
2 6 (27.27%) Agile Software Development
2 6 (27.27%) Configuration Management
2 6 (27.27%) Continuous Integration
2 6 (27.27%) Open Source
3 5 (22.73%) Auto-Scaling
3 5 (22.73%) Migration
4 4 (18.18%) Load Balancing
5 3 (13.64%) Scrum
6 2 (9.09%) Business Intelligence
6 2 (9.09%) Digital Marketing
6 2 (9.09%) ITIL
6 2 (9.09%) OO
6 2 (9.09%) OOD
6 2 (9.09%) Programme Management
6 2 (9.09%) Service Delivery
6 2 (9.09%) Software Engineering
7 1 (4.55%) Kanban
7 1 (4.55%) Performance Monitoring
7 1 (4.55%) Unit Testing
Programming Languages
1 10 (45.45%) Bash Shell
1 10 (45.45%) Python
2 8 (36.36%) Java
3 7 (31.82%) Ruby
3 7 (31.82%) SQL
4 5 (22.73%) Perl
4 5 (22.73%) PL/SQL
5 2 (9.09%) C++
5 2 (9.09%) Shell Script
6 1 (4.55%) JavaScript
6 1 (4.55%) PHP
Qualifications
1 3 (13.64%) Security Cleared
2 2 (9.09%) CESG Certified Professional
2 2 (9.09%) DV Cleared
3 1 (4.55%) BPSS Clearance
3 1 (4.55%) RHCE
3 1 (4.55%) SC Cleared
Quality Assurance & Compliance
1 1 (4.55%) Disclosure Scotland
System Software
1 12 (54.55%) Docker
2 4 (18.18%) LXC
2 4 (18.18%) VirtualBox
3 2 (9.09%) Active Directory
4 1 (4.55%) Samba
Systems Management
1 12 (54.55%) Ansible
2 6 (27.27%) Nagios
3 5 (22.73%) OSSEC
3 5 (22.73%) Puppet
4 4 (18.18%) Terraform
5 2 (9.09%) Salt
6 1 (4.55%) Opscode Chef
6 1 (4.55%) SCCM
Vendors
1 12 (54.55%) Red Hat
2 7 (31.82%) Oracle
3 5 (22.73%) New Relic
4 4 (18.18%) Google
4 4 (18.18%) SaltStack
5 2 (9.09%) SAP
6 1 (4.55%) Sonatype