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 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 / North West
Rank 113 144 135
Rank change year-on-year
+31 -9
Contract jobs citing CentOS 19 9 6
As % of all contract IT jobs located in the North West 0.72% 0.23% 0.19%
As % of the Operating Systems category 3.41% 1.20% 0.89%
Number of daily rates quoted 13 4 2
Median daily rate £400 £400 £300
Median daily rate % change year-on-year
- +33.33%
90% offered a daily rate of more than £340 £316 £280
10% offered a daily rate of more than £535 £400 £320
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 North West region.

Operating Systems Category
North West
Contract IT job ads with a match in the
Operating Systems category
557 750 673
As % of all contract IT jobs located in the North West 21.03% 19.49% 21.53%
Number of daily rates quoted 378 398 340
Median daily rate £375 £350 £350
Median daily rate % change year-on-year
+7.14% -
90% offered a daily rate of more than £192 £185 £170
10% offered a daily rate of more than £511 £488 £450
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 25 84 97
Median hourly rate £16.00 £19.00 £15.00
Median hourly rate % change year-on-year
-15.78% +26.66%
90% offered a hourly rate of more than £12.50 £11.50 £10.22
10% offered a hourly rate of more than £27.50 £40.00 £29.70
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 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 16 January 2017.

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 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
Manchester +18 14 £400 - 5
Merseyside - 1 - -
CentOS
England

CentOS
Top 30 Related IT Skills in the North 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 North West region with a requirement for CentOS.

1 48 (100.00%) Linux
2 41 (85.42%) Puppet
3 37 (77.08%) DevOps
4 35 (72.92%) Jenkins
5 30 (62.50%) Red Hat
6 25 (52.08%) Python
7 24 (50.00%) Amazon AWS
8 21 (43.75%) Red Hat Enterprise Linux
9 20 (41.67%) Ubuntu
9 20 (41.67%) Configuration Management
9 20 (41.67%) Bash Shell
10 18 (37.50%) Java
10 18 (37.50%) Agile Software Development
11 17 (35.42%) Continuous Integration
11 17 (35.42%) Git (software)
12 16 (33.33%) Ruby
13 15 (31.25%) Opscode Chef
13 15 (31.25%) Ansible
14 14 (29.17%) VMware
15 12 (25.00%) VMware Infrastructure
15 12 (25.00%) Perl
15 12 (25.00%) DHCP
15 12 (25.00%) DNS
16 11 (22.92%) Nagios
16 11 (22.92%) OpenStack
17 10 (20.83%) Debian
17 10 (20.83%) PHP
18 9 (18.75%) Firewall
19 8 (16.67%) TCP/IP
19 8 (16.67%) SAS

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 11 (22.92%) OpenStack
2 8 (16.67%) Apache
2 8 (16.67%) SAS
3 5 (10.42%) nginx
4 4 (8.33%) Tomcat
5 3 (6.25%) Confluence
6 2 (4.17%) IIS
7 1 (2.08%) Elasticsearch
7 1 (2.08%) Exchange Server 2007
7 1 (2.08%) JBoss
7 1 (2.08%) Jetty
7 1 (2.08%) MS Exchange
Applications
1 2 (4.17%) MS Excel
Cloud Services
1 24 (50.00%) Amazon AWS
2 8 (16.67%) Amazon EC2
3 7 (14.58%) Amazon S3
4 6 (12.50%) Amazon ELB
5 5 (10.42%) AWS CloudFormation
6 4 (8.33%) Route 53
7 3 (6.25%) Amazon ElastiCache
7 3 (6.25%) CloudFront
8 2 (4.17%) GitHub
8 2 (4.17%) Microsoft Azure
8 2 (4.17%) Virtual Private Cloud
9 1 (2.08%) Amazon CloudWatch
9 1 (2.08%) AWS Lambda
9 1 (2.08%) Google Cloud Platform
9 1 (2.08%) IaaS
9 1 (2.08%) PaaS
Communications & Networking
1 12 (25.00%) DHCP
1 12 (25.00%) DNS
2 9 (18.75%) Firewall
3 8 (16.67%) iSCSI
3 8 (16.67%) TCP/IP
4 7 (14.58%) SSL
5 6 (12.50%) HTTP
5 6 (12.50%) HTTPS
5 6 (12.50%) Network Security
5 6 (12.50%) SMTP
6 5 (10.42%) Fibre Channel
6 5 (10.42%) IMAP
6 5 (10.42%) MRTG
7 4 (8.33%) VPN
8 3 (6.25%) LDAP
9 1 (2.08%) DMZ
9 1 (2.08%) Internet
9 1 (2.08%) Kerberos
9 1 (2.08%) LAN
9 1 (2.08%) WAN
Database & Business Intelligence
1 5 (10.42%) Redis
1 5 (10.42%) SQL Server
2 4 (8.33%) Amazon RDS
3 2 (4.17%) Big Data
3 2 (4.17%) Hadoop
3 2 (4.17%) MySQL
4 1 (2.08%) MongoDB
4 1 (2.08%) NoSQL
4 1 (2.08%) Oracle Database
4 1 (2.08%) Oracle Database 12c
4 1 (2.08%) PostgreSQL
4 1 (2.08%) SQL Server 2008
4 1 (2.08%) SQL Server 2012
4 1 (2.08%) SQL Server Reporting Services
Development Applications
1 35 (72.92%) Jenkins
2 17 (35.42%) Git (software)
3 7 (14.58%) Subversion
4 6 (12.50%) GoCD
4 6 (12.50%) Travis CI
5 5 (10.42%) Maven
5 5 (10.42%) Vagrant
6 4 (8.33%) Atlassian Bamboo
7 3 (6.25%) JIRA
8 2 (4.17%) GitLab
8 2 (4.17%) Hudson
8 2 (4.17%) Sonatype Nexus
9 1 (2.08%) Artifactory
9 1 (2.08%) Gerrit
9 1 (2.08%) Mercurial
9 1 (2.08%) MSBuild
9 1 (2.08%) Octopus Deploy
9 1 (2.08%) SonarQube
9 1 (2.08%) Team Foundation Server
9 1 (2.08%) TeamCity
General
1 1 (2.08%) Finance
1 1 (2.08%) Retail
Job Titles
1 27 (56.25%) DevOps Engineer
2 8 (16.67%) Linux Engineer
3 6 (12.50%) Linux/Unix DevOps
4 5 (10.42%) Linux DevOps Engineer
5 4 (8.33%) AWS DevOps
5 4 (8.33%) Consultant
5 4 (8.33%) DevOps Consultant
6 3 (6.25%) Administrator
6 3 (6.25%) Systems Administrator
7 2 (4.17%) 3rd Line Engineer
7 2 (4.17%) AWS Consultant
7 2 (4.17%) AWS Engineer
7 2 (4.17%) Cloud Engineer
7 2 (4.17%) Infrastructure Engineer
8 1 (2.08%) 3rd Line Infrastructure Engineer
8 1 (2.08%) DevOps Specialist
8 1 (2.08%) Hadoop Engineer
8 1 (2.08%) Oracle SQL Server DBA
8 1 (2.08%) Splunk Engineer
8 1 (2.08%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 5 (10.42%) MCollective
1 5 (10.42%) Web Services
2 4 (8.33%) RabbitMQ
3 3 (6.25%) ELK Stack
4 2 (4.17%) .NET
4 2 (4.17%) LAMP
4 2 (4.17%) REST
5 1 (2.08%) ASP.NET
5 1 (2.08%) LAPP Stack
5 1 (2.08%) LEMP Stack
5 1 (2.08%) RESTful
5 1 (2.08%) SOAP
5 1 (2.08%) Software Packaging
Miscellaneous
1 3 (6.25%) Analytical Skills
2 2 (4.17%) Data Centre
2 2 (4.17%) Public Cloud
2 2 (4.17%) User Experience
3 1 (2.08%) BBC
3 1 (2.08%) Oracle Licensing
3 1 (2.08%) PKI
Operating Systems
1 48 (100.00%) Linux
2 21 (43.75%) Red Hat Enterprise Linux
3 20 (41.67%) Ubuntu
4 10 (20.83%) Debian
5 7 (14.58%) Fedora
5 7 (14.58%) Unix
6 3 (6.25%) Windows
7 1 (2.08%) Solaris
7 1 (2.08%) SUSE
7 1 (2.08%) Windows Server
Processes & Methodologies
1 37 (77.08%) DevOps
2 20 (41.67%) Configuration Management
3 18 (37.50%) Agile Software Development
4 17 (35.42%) Continuous Integration
5 7 (14.58%) Load Balancing
5 7 (14.58%) Open Source
5 7 (14.58%) Scrum
6 5 (10.42%) Analytics
6 5 (10.42%) Build Automation
7 4 (8.33%) Video Analytics
8 3 (6.25%) Continuous Deployment
8 3 (6.25%) E-Commerce
8 3 (6.25%) Mentoring
9 2 (4.17%) Continuous Delivery
9 2 (4.17%) Web Development
10 1 (2.08%) Auto-Scaling
10 1 (2.08%) Low Latency
10 1 (2.08%) Microservices
10 1 (2.08%) Mobile Development
10 1 (2.08%) Software Licensing
Programming Languages
1 25 (52.08%) Python
2 20 (41.67%) Bash Shell
3 18 (37.50%) Java
4 16 (33.33%) Ruby
5 12 (25.00%) Perl
6 10 (20.83%) PHP
7 6 (12.50%) Korn
8 5 (10.42%) C
8 5 (10.42%) C++
8 5 (10.42%) Shell Script
8 5 (10.42%) SQL
9 2 (4.17%) PowerShell
10 1 (2.08%) JavaScript
10 1 (2.08%) PL/SQL
10 1 (2.08%) R
10 1 (2.08%) T-SQL
10 1 (2.08%) VB.NET
Qualifications
1 7 (14.58%) Security Cleared
2 5 (10.42%) SC Cleared
3 1 (2.08%) CESG Certified Professional
3 1 (2.08%) Citrix Certification
3 1 (2.08%) Degree
3 1 (2.08%) MCSE
3 1 (2.08%) Microsoft Certification
3 1 (2.08%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 5 (10.42%) QA
2 1 (2.08%) PCI DSS
System Software
1 12 (25.00%) VMware Infrastructure
2 6 (12.50%) Docker
3 5 (10.42%) Dovecot
3 5 (10.42%) iptables
3 5 (10.42%) KVM
3 5 (10.42%) Sendmail
3 5 (10.42%) Squid
4 2 (4.17%) Active Directory
5 1 (2.08%) Ceph
5 1 (2.08%) MetaFrame
5 1 (2.08%) vCloud
5 1 (2.08%) Virtual Machines
Systems Management
1 41 (85.42%) Puppet
2 15 (31.25%) Ansible
2 15 (31.25%) Opscode Chef
3 11 (22.92%) Nagios
4 7 (14.58%) Kibana
5 6 (12.50%) Ganglia
5 6 (12.50%) Graphite
5 6 (12.50%) HAProxy
5 6 (12.50%) Riemann
5 6 (12.50%) ZABBIX
6 5 (10.42%) Cacti
6 5 (10.42%) OpenNebula
7 3 (6.25%) Packer
7 3 (6.25%) Terraform
8 2 (4.17%) Kubernetes
9 1 (2.08%) FreeIPA
9 1 (2.08%) Oracle ZFS
9 1 (2.08%) Rsyslog
9 1 (2.08%) Rundeck
9 1 (2.08%) Salt
Vendors
1 30 (62.50%) Red Hat
2 14 (29.17%) VMware
3 5 (10.42%) RightScale
4 4 (8.33%) SaltStack
5 3 (6.25%) Microsoft
5 3 (6.25%) New Relic
6 1 (2.08%) Black Duck
6 1 (2.08%) Cisco
6 1 (2.08%) Citrix
6 1 (2.08%) Dell
6 1 (2.08%) Google
6 1 (2.08%) Hortonworks
6 1 (2.08%) Oracle
6 1 (2.08%) Pega
6 1 (2.08%) Sonatype
6 1 (2.08%) Splunk
6 1 (2.08%) Veracode