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 8 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
8 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 128 144 128
Rank change year-on-year
+16 -16
Contract jobs citing CentOS 20 13 15
As % of all contract IT jobs located in the North West 0.63% 0.31% 0.46%
As % of the Operating Systems category 2.88% 1.67% 2.17%
Number of daily rates quoted 12 8 9
Median daily rate £450 £348 £400
Median daily rate % change year-on-year
+29.49% -13.12%
90% offered a daily rate of more than £258 £291 £365
10% offered a daily rate of more than £595 £400 £500
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 North West region.

Operating Systems Category
North West
Contract IT job ads with a match in the
Operating Systems category
694 780 690
As % of all contract IT jobs located in the North West 21.82% 18.78% 21.17%
Number of daily rates quoted 471 410 360
Median daily rate £400 £350 £350
Median daily rate % change year-on-year
+14.28% -
90% offered a daily rate of more than £197 £170 £170
10% offered a daily rate of more than £525 £475 £450
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 31 87 94
Median hourly rate £15.00 £17.33 £15.00
Median hourly rate % change year-on-year
-13.44% +15.53%
90% offered a hourly rate of more than £12.90 £11.00 £10.00
10% offered a hourly rate of more than £27.50 £40.00 £27.50
UK excluding London median hourly rate £16.50 £16.50 £16.00
% change year-on-year
- +3.12%

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 8 December 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 8 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
Manchester -1 13 £450 +29.49% 7
Lancashire - 1 £110 - 3
Merseyside - 1 - - 1
CentOS
England

CentOS
Top 30 Related IT Skills in the North West

For the 6 months to 8 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 North West region with a requirement for CentOS.

1 41 (100.00%) Linux
2 34 (82.93%) Puppet
3 30 (73.17%) DevOps
4 27 (65.85%) Jenkins
5 25 (60.98%) Red Hat
6 20 (48.78%) Ubuntu
7 19 (46.34%) Python
8 17 (41.46%) Amazon AWS
8 17 (41.46%) Bash Shell
9 14 (34.15%) Configuration Management
9 14 (34.15%) VMware
9 14 (34.15%) Red Hat Enterprise Linux
10 13 (31.71%) Java
11 12 (29.27%) DHCP
11 12 (29.27%) DNS
11 12 (29.27%) Git (software)
11 12 (29.27%) VMware Infrastructure
12 11 (26.83%) Perl
13 10 (24.39%) PHP
13 10 (24.39%) Debian
13 10 (24.39%) Agile Software Development
13 10 (24.39%) Opscode Chef
14 9 (21.95%) Continuous Integration
14 9 (21.95%) Firewall
15 8 (19.51%) Apache
15 8 (19.51%) iSCSI
15 8 (19.51%) Amazon EC2
15 8 (19.51%) Ruby
15 8 (19.51%) Ansible
15 8 (19.51%) Open Source

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 8 (19.51%) Apache
2 7 (17.07%) OpenStack
2 7 (17.07%) SAS
3 5 (12.20%) nginx
4 4 (9.76%) Tomcat
5 3 (7.32%) Confluence
6 2 (4.88%) IIS
7 1 (2.44%) Elasticsearch
7 1 (2.44%) Exchange Server 2007
7 1 (2.44%) JBoss
7 1 (2.44%) Jetty
7 1 (2.44%) MS Exchange
Applications
1 2 (4.88%) MS Excel
Cloud Services
1 17 (41.46%) Amazon AWS
2 8 (19.51%) Amazon EC2
3 7 (17.07%) Amazon ELB
3 7 (17.07%) Amazon S3
4 4 (9.76%) AWS CloudFormation
4 4 (9.76%) Route 53
5 3 (7.32%) Amazon ElastiCache
5 3 (7.32%) CloudFront
6 2 (4.88%) GitHub
6 2 (4.88%) Microsoft Azure
7 1 (2.44%) Google Cloud Platform
7 1 (2.44%) PaaS
7 1 (2.44%) Virtual Private Cloud
Communications & Networking
1 12 (29.27%) DHCP
1 12 (29.27%) DNS
2 9 (21.95%) Firewall
3 8 (19.51%) iSCSI
4 6 (14.63%) HTTP
4 6 (14.63%) Network Security
5 5 (12.20%) Fibre Channel
5 5 (12.20%) IMAP
5 5 (12.20%) MRTG
5 5 (12.20%) SMTP
6 3 (7.32%) LDAP
6 3 (7.32%) TCP/IP
7 2 (4.88%) VPN
8 1 (2.44%) DMZ
8 1 (2.44%) HTTPS
8 1 (2.44%) IP Telephony
8 1 (2.44%) Kerberos
8 1 (2.44%) Reverse Proxy
8 1 (2.44%) SSL
8 1 (2.44%) VLAN
Database & Business Intelligence
1 5 (12.20%) Redis
1 5 (12.20%) SQL Server
2 4 (9.76%) Amazon RDS
3 2 (4.88%) Hadoop
3 2 (4.88%) MySQL
4 1 (2.44%) Big Data
4 1 (2.44%) MongoDB
4 1 (2.44%) NoSQL
4 1 (2.44%) Oracle Database
4 1 (2.44%) Oracle Database 12c
4 1 (2.44%) PostgreSQL
4 1 (2.44%) SQL Server 2008
4 1 (2.44%) SQL Server 2012
4 1 (2.44%) SQL Server Reporting Services
Development Applications
1 27 (65.85%) Jenkins
2 12 (29.27%) Git (software)
3 6 (14.63%) Vagrant
4 5 (12.20%) Maven
5 3 (7.32%) Atlassian Bamboo
5 3 (7.32%) JIRA
6 2 (4.88%) Hudson
6 2 (4.88%) Subversion
7 1 (2.44%) Artifactory
7 1 (2.44%) Gerrit
7 1 (2.44%) GitLab
7 1 (2.44%) GoCD
7 1 (2.44%) Mercurial
7 1 (2.44%) SonarQube
7 1 (2.44%) Sonatype Nexus
7 1 (2.44%) Travis CI
General
1 1 (2.44%) Finance
Job Titles
1 22 (53.66%) DevOps Engineer
2 8 (19.51%) Linux Engineer
3 6 (14.63%) Linux/Unix DevOps
4 5 (12.20%) Linux DevOps Engineer
5 3 (7.32%) Administrator
5 3 (7.32%) Systems Administrator
6 2 (4.88%) 3rd Line Engineer
6 2 (4.88%) Consultant
6 2 (4.88%) DevOps Consultant
6 2 (4.88%) Infrastructure Engineer
7 1 (2.44%) AWS DevOps
7 1 (2.44%) DevOps Administrator
7 1 (2.44%) DevOps Specialist
7 1 (2.44%) Java Consultant
7 1 (2.44%) Linux Administrator
7 1 (2.44%) Linux Systems Administrator
7 1 (2.44%) Oracle DBA
7 1 (2.44%) SQL DBA
7 1 (2.44%) SQL Server DBA
7 1 (2.44%) Unix Engineer
Libraries, Frameworks & Software Standards
1 5 (12.20%) MCollective
2 4 (9.76%) RabbitMQ
2 4 (9.76%) Web Services
3 3 (7.32%) ELK Stack
4 2 (4.88%) .NET
4 2 (4.88%) LAMP
4 2 (4.88%) REST
5 1 (2.44%) ASP.NET
5 1 (2.44%) LAPP Stack
5 1 (2.44%) LEMP Stack
5 1 (2.44%) RESTful
5 1 (2.44%) SOAP
Miscellaneous
1 3 (7.32%) Analytical Skills
2 2 (4.88%) Data Centre
2 2 (4.88%) User Experience
3 1 (2.44%) BBC
3 1 (2.44%) Enterprise Cloud
3 1 (2.44%) Oracle Licensing
3 1 (2.44%) Public Cloud
Operating Systems
1 41 (100.00%) Linux
2 20 (48.78%) Ubuntu
3 14 (34.15%) Red Hat Enterprise Linux
4 10 (24.39%) Debian
5 7 (17.07%) Unix
6 3 (7.32%) Windows
7 2 (4.88%) Fedora
8 1 (2.44%) Solaris
8 1 (2.44%) SUSE
8 1 (2.44%) Windows Server
Processes & Methodologies
1 30 (73.17%) DevOps
2 14 (34.15%) Configuration Management
3 10 (24.39%) Agile Software Development
4 9 (21.95%) Continuous Integration
5 8 (19.51%) Open Source
6 6 (14.63%) Scrum
7 5 (12.20%) Analytics
7 5 (12.20%) Build Automation
7 5 (12.20%) Load Balancing
8 4 (9.76%) Video Analytics
9 3 (7.32%) Continuous Deployment
9 3 (7.32%) E-Commerce
10 2 (4.88%) Web Development
11 1 (2.44%) Cybersecurity
11 1 (2.44%) Data Analysis
11 1 (2.44%) Ethical Hacking
11 1 (2.44%) ITIL V3
11 1 (2.44%) OWASP
11 1 (2.44%) Penetration Testing
11 1 (2.44%) Software Engineering
Programming Languages
1 19 (46.34%) Python
2 17 (41.46%) Bash Shell
3 13 (31.71%) Java
4 11 (26.83%) Perl
5 10 (24.39%) PHP
6 8 (19.51%) Ruby
7 5 (12.20%) C
7 5 (12.20%) C++
7 5 (12.20%) Korn
7 5 (12.20%) Shell Script
7 5 (12.20%) SQL
8 1 (2.44%) JavaScript
8 1 (2.44%) PL/SQL
8 1 (2.44%) PowerShell
8 1 (2.44%) R
8 1 (2.44%) T-SQL
8 1 (2.44%) VB.NET
Qualifications
1 5 (12.20%) SC Cleared
1 5 (12.20%) Security Cleared
2 1 (2.44%) BPSS Clearance
2 1 (2.44%) CESG Certified Professional
2 1 (2.44%) Citrix Certification
2 1 (2.44%) Degree
2 1 (2.44%) MCSE
2 1 (2.44%) Microsoft Certification
2 1 (2.44%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 5 (12.20%) QA
2 1 (2.44%) Disclosure Scotland
2 1 (2.44%) PCI DSS
System Software
1 12 (29.27%) VMware Infrastructure
2 5 (12.20%) Dovecot
2 5 (12.20%) iptables
2 5 (12.20%) KVM
2 5 (12.20%) Sendmail
2 5 (12.20%) Squid
3 3 (7.32%) Docker
4 1 (2.44%) Active Directory
4 1 (2.44%) Ceph
4 1 (2.44%) MetaFrame
4 1 (2.44%) vCloud
4 1 (2.44%) Virtual Machines
Systems Management
1 34 (82.93%) Puppet
2 10 (24.39%) Opscode Chef
3 8 (19.51%) Ansible
4 6 (14.63%) HAProxy
4 6 (14.63%) Nagios
4 6 (14.63%) ZABBIX
5 5 (12.20%) Cacti
5 5 (12.20%) OpenNebula
6 3 (7.32%) Packer
7 2 (4.88%) Kibana
7 2 (4.88%) Salt
8 1 (2.44%) CFEngine
8 1 (2.44%) FreeIPA
8 1 (2.44%) Ganglia
8 1 (2.44%) Graphite
8 1 (2.44%) logstash
8 1 (2.44%) Oracle ZFS
8 1 (2.44%) Rundeck
8 1 (2.44%) SCCM
8 1 (2.44%) WSUS
Vendors
1 25 (60.98%) Red Hat
2 14 (34.15%) VMware
3 5 (12.20%) RightScale
4 4 (9.76%) SaltStack
5 3 (7.32%) Microsoft
5 3 (7.32%) New Relic
6 1 (2.44%) Black Duck
6 1 (2.44%) Cisco
6 1 (2.44%) Citrix
6 1 (2.44%) Dell
6 1 (2.44%) Google
6 1 (2.44%) Hortonworks
6 1 (2.44%) Oracle
6 1 (2.44%) Pega
6 1 (2.44%) Sonatype
6 1 (2.44%) Splunk
6 1 (2.44%) Veracode