The table below looks at the statistics for CentOS skills in IT contracts advertised for the North West region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 1 July 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
1 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 146 129 124
Rank change year-on-year
-17 -5
Contract jobs citing CentOS 13 24 12
As % of all contract IT jobs located in the North West 0.35% 0.65% 0.39%
As % of the Operating Systems category 1.62% 2.94% 1.74%
Number of daily rates quoted 8 11 4
Median daily rate £438 £425 £381
Median daily rate % change year-on-year
+2.94% +11.47%
90% offered a daily rate of more than £313 £200 £305
10% offered a daily rate of more than £500 £475 £414
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 - £16.75
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 North West region.

Operating Systems Category
North West
Contract IT job ads with a match in the
Operating Systems category
804 815 689
As % of all contract IT jobs located in the North West 21.42% 21.92% 22.44%
Number of daily rates quoted 477 429 340
Median daily rate £400 £350 £290
Median daily rate % change year-on-year
+14.28% +20.68%
90% offered a daily rate of more than £230 £170 £184
10% offered a daily rate of more than £500 £500 £475
UK excluding London median daily rate £360 £345 £310
% change year-on-year
+4.34% +11.29%
Number of hourly rates quoted 50 84 74
Median hourly rate £14.00 £15.00 £15.50
Median hourly rate % change year-on-year
-6.66% -3.22%
90% offered a hourly rate of more than £12.00 £11.00 £10.00
10% offered a hourly rate of more than £23.25 £20.50 £35.00
UK excluding London median hourly rate £17.50 £16.50 £15.00
% change year-on-year
+6.06% +10.00%

CentOS
Jobs Demand Trend in the North West

The demand trend of contract jobs across the North 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 North West

CentOS
Daily Rate Trend in the North West

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

CentOS Daily Rate Trend in the North West

CentOS
Daily Rate Histogram in the North West

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the North West region over the 3 months to 1 July 2016.

CentOS Daily Rate Histogram in the North West

CentOS
Hourly Rate Trend in the North West

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

CentOS Hourly Rate Trend in the North West

CentOS
Contract Job Locations in the North 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 North West region over the 3 months to 1 July 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
Manchester -6 5 £500 +66.66% 2
Cheshire -13 4 £450 +5.88%
Merseyside - 2 £350 -
CentOS
England

CentOS
Top 30 Related IT Skills in the North West

For the 6 months to 1 July 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 North West region with a requirement for CentOS.

1 26 (100.00%) Linux
2 17 (65.38%) Red Hat
2 17 (65.38%) Puppet
3 13 (50.00%) VMware
4 12 (46.15%) Apache
4 12 (46.15%) Bash Shell
5 11 (42.31%) VMware Infrastructure
5 11 (42.31%) OpenStack
5 11 (42.31%) DevOps
5 11 (42.31%) Windows
5 11 (42.31%) Python
5 11 (42.31%) Ubuntu
6 10 (38.46%) Tomcat
6 10 (38.46%) Jenkins
6 10 (38.46%) Amazon AWS
7 9 (34.62%) SQL
8 8 (30.77%) Shell Script
8 8 (30.77%) Open Source
9 7 (26.92%) PaaS
9 7 (26.92%) Nagios
9 7 (26.92%) Configuration Management
9 7 (26.92%) Perl
9 7 (26.92%) SQL Server
9 7 (26.92%) Microsoft
10 6 (23.08%) DNS
10 6 (23.08%) Unix
10 6 (23.08%) PHP
10 6 (23.08%) IIS
10 6 (23.08%) AIX
10 6 (23.08%) Agile Software Development

CentOS
Top Related IT Skills in the North 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 12 (46.15%) Apache
2 11 (42.31%) OpenStack
3 10 (38.46%) Tomcat
4 6 (23.08%) IIS
5 4 (15.38%) SAS
6 2 (7.69%) Cloud Foundry
7 1 (3.85%) Commerce Server
7 1 (3.85%) Confluence
7 1 (3.85%) nginx
7 1 (3.85%) WebSphere
7 1 (3.85%) WebSphere Application Server
Applications
1 3 (11.54%) MS Excel
Cloud Services
1 10 (38.46%) Amazon AWS
2 7 (26.92%) PaaS
3 4 (15.38%) IaaS
3 4 (15.38%) SaaS
4 3 (11.54%) Amazon EC2
4 3 (11.54%) Amazon ELB
4 3 (11.54%) Amazon S3
5 2 (7.69%) Cloud Computing
5 2 (7.69%) Engine Yard
5 2 (7.69%) GitHub
5 2 (7.69%) Heroku
5 2 (7.69%) Microsoft Azure
5 2 (7.69%) Route 53
6 1 (3.85%) Amazon ElastiCache
6 1 (3.85%) AWS CloudFormation
6 1 (3.85%) CloudFront
Communications & Networking
1 6 (23.08%) DNS
2 5 (19.23%) MRTG
3 4 (15.38%) DHCP
3 4 (15.38%) Fibre Channel
3 4 (15.38%) HTTP
3 4 (15.38%) IMAP
3 4 (15.38%) iSCSI
3 4 (15.38%) SMTP
4 2 (7.69%) Firewall
5 1 (3.85%) LDAP
Database & Business Intelligence
1 7 (26.92%) SQL Server
2 1 (3.85%) Amazon RDS
2 1 (3.85%) DB2
2 1 (3.85%) Redis
Development Applications
1 10 (38.46%) Jenkins
2 5 (19.23%) Vagrant
3 3 (11.54%) Git (software)
4 2 (7.69%) Hudson
4 2 (7.69%) JIRA
5 1 (3.85%) Ant
5 1 (3.85%) Atlassian Bamboo
General
1 3 (11.54%) Pharmaceutical
2 2 (7.69%) Finance
3 1 (3.85%) Retail
Job Titles
1 10 (38.46%) Linux Engineer
2 8 (30.77%) DevOps Engineer
3 4 (15.38%) Test Manager
4 3 (11.54%) Administrator
4 3 (11.54%) AWS DevOps
4 3 (11.54%) AWS Engineer
4 3 (11.54%) Linux DevOps Engineer
4 3 (11.54%) Linux/Unix DevOps
4 3 (11.54%) Systems Administrator
5 2 (7.69%) DevOps Administrator
5 2 (7.69%) Test Automation Manager
6 1 (3.85%) 3rd Line Engineer
6 1 (3.85%) Deployment Manager
6 1 (3.85%) Infrastructure Specialist
6 1 (3.85%) Linux Administrator
6 1 (3.85%) Linux Systems Administrator
6 1 (3.85%) Project Manager
6 1 (3.85%) Server Engineer
6 1 (3.85%) Test Project Manager
6 1 (3.85%) WebSphere Specialist
Libraries, Frameworks & Software Standards
1 2 (7.69%) .NET
1 2 (7.69%) ASP.NET Web API
1 2 (7.69%) MCollective
1 2 (7.69%) Web Services
2 1 (3.85%) ELK Stack
2 1 (3.85%) RabbitMQ
Miscellaneous
1 5 (19.23%) Public Cloud
2 3 (11.54%) Data Centre
2 3 (11.54%) Enterprise Cloud
3 2 (7.69%) Clustering
3 2 (7.69%) Device Driver
3 2 (7.69%) User Experience
4 1 (3.85%) Analytical Skills
Operating Systems
1 26 (100.00%) Linux
2 11 (42.31%) Ubuntu
2 11 (42.31%) Windows
3 6 (23.08%) AIX
3 6 (23.08%) Unix
4 5 (19.23%) Debian
4 5 (19.23%) Red Hat Enterprise Linux
5 4 (15.38%) Mac OS
6 3 (11.54%) Fedora
7 1 (3.85%) Windows 2000 Server
7 1 (3.85%) Windows Server
Processes & Methodologies
1 11 (42.31%) DevOps
2 8 (30.77%) Open Source
3 7 (26.92%) Configuration Management
4 6 (23.08%) Agile Software Development
5 4 (15.38%) Automation Testing
5 4 (15.38%) Build Automation
5 4 (15.38%) Capacity Management
5 4 (15.38%) Project Management
6 3 (11.54%) Performance Testing
6 3 (11.54%) Server Building
6 3 (11.54%) Software Engineering
6 3 (11.54%) Test Management
6 3 (11.54%) User Acceptance Testing
7 2 (7.69%) Continuous Integration
7 2 (7.69%) High Availability
7 2 (7.69%) Matrix Organization
7 2 (7.69%) Mobile Development
7 2 (7.69%) Performance Analysis
7 2 (7.69%) SDLC
7 2 (7.69%) Test Automation
Programming Languages
1 12 (46.15%) Bash Shell
2 11 (42.31%) Python
3 9 (34.62%) SQL
4 8 (30.77%) Shell Script
5 7 (26.92%) Perl
6 6 (23.08%) PHP
7 5 (19.23%) C
7 5 (19.23%) C++
7 5 (19.23%) Korn
8 4 (15.38%) Ruby
9 2 (7.69%) Java
9 2 (7.69%) PowerShell
10 1 (3.85%) Jython
Qualifications
1 3 (11.54%) BPSS Clearance
2 2 (7.69%) AWS Certification
2 2 (7.69%) Degree
Quality Assurance & Compliance
1 3 (11.54%) Disclosure Scotland
1 3 (11.54%) QA
System Software
1 11 (42.31%) VMware Infrastructure
2 6 (23.08%) iptables
3 5 (19.23%) KVM
4 4 (15.38%) Dovecot
4 4 (15.38%) Sendmail
4 4 (15.38%) Squid
5 2 (7.69%) Hyper-V
5 2 (7.69%) NFS
5 2 (7.69%) Samba
6 1 (3.85%) Active Directory
6 1 (3.85%) Virtual Machines
Systems Management
1 17 (65.38%) Puppet
2 7 (26.92%) Nagios
3 6 (23.08%) Ansible
3 6 (23.08%) Opscode Chef
4 5 (19.23%) Cacti
4 5 (19.23%) OpenNebula
4 5 (19.23%) vRealize
5 4 (15.38%) HAProxy
6 3 (11.54%) Salt
7 2 (7.69%) BladeLogic
7 2 (7.69%) BMC PATROL
7 2 (7.69%) Cobbler
8 1 (3.85%) Packer
Vendors
1 17 (65.38%) Red Hat
2 13 (50.00%) VMware
3 7 (26.92%) Microsoft
4 4 (15.38%) BMC
5 2 (7.69%) Oracle
6 1 (3.85%) IBM
6 1 (3.85%) New Relic
6 1 (3.85%) SaltStack