The table below looks at the statistics for CentOS skills in IT jobs advertised for the North West region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 3 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
3 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 206 206 267
Rank change year-on-year
0 +61
Permanent jobs citing CentOS 54 36 6
As % of all permanent IT jobs located in the North West 0.86% 0.58% 0.080%
As % of the Operating Systems category 3.49% 2.30% 0.32%
Number of salaries quoted 39 25 5
Median salary £40,000 £45,000 £35,000
Median salary % change year-on-year
-11.11% +28.57%
90% offered a salary of more than £28,450 £30,000 £31,700
10% offered a salary of more than £55,000 £55,000 £47,000
UK excluding London median salary £45,000 £42,500 £40,000
% change year-on-year
+5.88% +6.25%
CentOS
England

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the North West region.

Operating Systems Category
North West
Permanent IT job ads with a match in the
Operating Systems category
1547 1564 1870
As % of all permanent IT jobs located in the North West 24.78% 25.40% 24.92%
Number of salaries quoted 1282 1253 1607
Median salary £35,000 £37,500 £35,000
Median salary % change year-on-year
-6.66% +7.14%
90% offered a salary of more than £21,500 £22,500 £22,000
10% offered a salary of more than £51,500 £54,000 £50,000
UK excluding London median salary £37,500 £37,500 £37,000
% change year-on-year
- +1.35%

CentOS
Jobs Demand Trend in the North West

The demand trend of job ads across the North West region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in the North West

CentOS
Salary Trend in the North West

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

CentOS Salary Trend in the North West

CentOS
Salary Histogram in the North West

This chart provides a salary histogram for IT jobs citing CentOS across the North West region over the 3 months to 3 December 2016.

CentOS Salary Histogram in the North West

CentOS
Job Locations in the North West

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the North West region over the 3 months to 3 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Manchester -19 27 £52,500 +16.66% 5
Cheshire +23 13 £39,000 +23.80% 1
Merseyside -6 10 £37,500 +25.00% 1
Lancashire - 4 £45,000 - 3
CentOS
England

CentOS
Top 30 Related IT Skills in the North West

For the 6 months to 3 December 2016, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the North West region with a requirement for CentOS.

1 87 (100.00%) Linux
2 42 (48.28%) Red Hat Enterprise Linux
3 39 (44.83%) Windows
4 37 (42.53%) Apache
5 36 (41.38%) Debian
6 35 (40.23%) VMware
6 35 (40.23%) Red Hat
7 31 (35.63%) Puppet
8 30 (34.48%) Python
9 28 (32.18%) Bash Shell
10 27 (31.03%) Microsoft
11 26 (29.89%) Cisco
11 26 (29.89%) PHP
12 25 (28.74%) Perl
12 25 (28.74%) Opscode Chef
13 22 (25.29%) Finance
13 22 (25.29%) Windows Server
14 21 (24.14%) Ubuntu
15 20 (22.99%) JIRA
15 20 (22.99%) VMware Infrastructure
15 20 (22.99%) PowerShell
16 19 (21.84%) Configuration Management
17 18 (20.69%) SQL
17 18 (20.69%) nginx
18 16 (18.39%) IIS
18 16 (18.39%) Nagios
19 15 (17.24%) MS Office
19 15 (17.24%) JavaScript
19 15 (17.24%) Tomcat
19 15 (17.24%) Computer Science

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 37 (42.53%) Apache
2 18 (20.69%) nginx
3 16 (18.39%) IIS
4 15 (17.24%) Tomcat
5 5 (5.75%) CMS
5 5 (5.75%) MS Exchange
5 5 (5.75%) WordPress
6 4 (4.60%) Confluence
7 3 (3.45%) WebLogic
8 2 (2.30%) JBoss
9 1 (1.15%) Exchange Server 2007
9 1 (1.15%) OpenStack
9 1 (1.15%) Zimbra
Applications
1 15 (17.24%) MS Office
2 13 (14.94%) MS Excel
3 5 (5.75%) Photoshop
Cloud Services
1 13 (14.94%) Amazon AWS
2 7 (8.05%) Amazon S3
3 5 (5.75%) Office 365
4 3 (3.45%) Microsoft Azure
5 2 (2.30%) Amazon EC2
6 1 (1.15%) Amazon ELB
6 1 (1.15%) GitHub
6 1 (1.15%) Route 53
6 1 (1.15%) SaaS
Communications & Networking
1 12 (13.79%) Firewall
2 11 (12.64%) HTTP
2 11 (12.64%) Intranet
3 9 (10.34%) DNS
4 8 (9.20%) SAN
4 8 (9.20%) VPN
5 7 (8.05%) LAN
6 5 (5.75%) FTP
6 5 (5.75%) NAS
6 5 (5.75%) OpenVPN
6 5 (5.75%) TCP/IP
6 5 (5.75%) WAN
7 4 (4.60%) Cisco ASA
7 4 (4.60%) DECT
7 4 (4.60%) LDAP
7 4 (4.60%) Unified Communications
8 3 (3.45%) Cisco IOS
8 3 (3.45%) DHCP
9 2 (2.30%) Network Security
10 1 (1.15%) iSCSI
Database & Business Intelligence
1 13 (14.94%) MySQL
2 11 (12.64%) MongoDB
3 6 (6.90%) PostgreSQL
4 3 (3.45%) Redis
4 3 (3.45%) SQL Server
5 2 (2.30%) Hadoop
6 1 (1.15%) Amazon RDS
Development Applications
1 20 (22.99%) JIRA
2 15 (17.24%) Jenkins
3 11 (12.64%) Git (software)
4 6 (6.90%) Subversion
4 6 (6.90%) Vagrant
5 3 (3.45%) Hudson
6 2 (2.30%) Mercurial
6 2 (2.30%) TeamCity
7 1 (1.15%) Atlassian Bamboo
7 1 (1.15%) CircleCI
7 1 (1.15%) Gradle
7 1 (1.15%) Maven
7 1 (1.15%) Selenium
General
1 22 (25.29%) Finance
2 6 (6.90%) Banking
3 2 (2.30%) Advertising
3 2 (2.30%) Games
4 1 (1.15%) Marketing
Job Titles
1 24 (27.59%) Administrator
2 23 (26.44%) Linux Engineer
3 18 (20.69%) Applications Support
4 15 (17.24%) Support Engineer
4 15 (17.24%) Systems Administrator
5 14 (16.09%) Linux Administrator
6 12 (13.79%) Linux Support
7 11 (12.64%) Applications Engineer
7 11 (12.64%) Applications Support Engineer
8 10 (11.49%) DevOps Engineer
9 9 (10.34%) Windows Engineer
10 7 (8.05%) Developer
10 7 (8.05%) IT Administrator
10 7 (8.05%) Linux Support Engineer
10 7 (8.05%) Systems Engineer
11 6 (6.90%) Analyst
11 6 (6.90%) IT Systems Administrator
11 6 (6.90%) Linux Systems Administrator
11 6 (6.90%) Windows Administrator
12 5 (5.75%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 14 (16.09%) AngularJS
2 12 (13.79%) HTML
3 9 (10.34%) jQuery
4 7 (8.05%) XML
5 6 (6.90%) CSS
5 6 (6.90%) JSON
5 6 (6.90%) LEMP Stack
6 5 (5.75%) LAPP Stack
6 5 (5.75%) Laravel
6 5 (5.75%) Web Services
7 4 (4.60%) Apache Camel
7 4 (4.60%) LAMP
8 3 (3.45%) Middleware
9 2 (2.30%) Node.js
9 2 (2.30%) Symfony
9 2 (2.30%) WebSockets
10 1 (1.15%) J2EE
10 1 (1.15%) OpenVZ
10 1 (1.15%) REST
Miscellaneous
1 15 (17.24%) Computer Science
2 7 (8.05%) Clustering
3 6 (6.90%) Analytical Skills
4 4 (4.60%) Fat Client
4 4 (4.60%) Thin Client
5 3 (3.45%) CMDB
6 2 (2.30%) Data Centre
7 1 (1.15%) iPad
7 1 (1.15%) NHS
Operating Systems
1 87 (100.00%) Linux
2 42 (48.28%) Red Hat Enterprise Linux
3 39 (44.83%) Windows
4 36 (41.38%) Debian
5 22 (25.29%) Windows Server
6 21 (24.14%) Ubuntu
7 15 (17.24%) SUSE Linux Enterprise Server
8 10 (11.49%) Unix
8 10 (11.49%) Windows Server 2012
9 7 (8.05%) Fedora
9 7 (8.05%) Windows Server 2008
10 5 (5.75%) Solaris
11 4 (4.60%) HPUX
12 2 (2.30%) Windows 7
13 1 (1.15%) Gentoo
13 1 (1.15%) Mac OS X
13 1 (1.15%) SUSE
13 1 (1.15%) Windows 8
13 1 (1.15%) Windows Server 2003
Processes & Methodologies
1 19 (21.84%) Configuration Management
2 12 (13.79%) ITIL
2 12 (13.79%) Open Source
3 11 (12.64%) DevOps
4 9 (10.34%) E-Commerce
5 8 (9.20%) Mentoring
6 7 (8.05%) Agile Software Development
7 6 (6.90%) Problem Management
7 6 (6.90%) Web Development
8 5 (5.75%) Continuous Integration
8 5 (5.75%) Customer Engagement
8 5 (5.75%) Performance Monitoring
8 5 (5.75%) PRINCE2
8 5 (5.75%) SEO
9 4 (4.60%) CRM
9 4 (4.60%) ERP
9 4 (4.60%) High Availability
9 4 (4.60%) Incident Management
9 4 (4.60%) Information Security
10 3 (3.45%) Release Management
Programming Languages
1 30 (34.48%) Python
2 28 (32.18%) Bash Shell
3 26 (29.89%) PHP
4 25 (28.74%) Perl
5 20 (22.99%) PowerShell
6 18 (20.69%) SQL
7 15 (17.24%) JavaScript
8 11 (12.64%) C
9 9 (10.34%) C++
10 8 (9.20%) Java
10 8 (9.20%) Ruby
11 7 (8.05%) Shell Script
12 5 (5.75%) C#
13 4 (4.60%) Bourne shell
13 4 (4.60%) Korn
14 2 (2.30%) Go
15 1 (1.15%) Groovy
Qualifications
1 5 (5.75%) Degree
2 1 (1.15%) CCNA
2 1 (1.15%) Cisco Certification
2 1 (1.15%) DBS Check
2 1 (1.15%) LPIC
2 1 (1.15%) MCSE
2 1 (1.15%) MCTS
2 1 (1.15%) Microsoft Certification
2 1 (1.15%) RHCE
2 1 (1.15%) RHCT
Quality Assurance & Compliance
1 8 (9.20%) ISO/IEC 27001
2 1 (1.15%) ISO 9001
2 1 (1.15%) QA
System Software
1 20 (22.99%) VMware Infrastructure
2 10 (11.49%) VMware Workstation
3 7 (8.05%) Varnish
4 6 (6.90%) Postfix
4 6 (6.90%) qmail
5 4 (4.60%) Active Directory
5 4 (4.60%) Docker
5 4 (4.60%) Virtual Machines
6 3 (3.45%) Hyper-V
6 3 (3.45%) vCloud
7 2 (2.30%) Virtual Servers
7 2 (2.30%) VirtualBox
8 1 (1.15%) Ceph
8 1 (1.15%) iptables
8 1 (1.15%) Squid
8 1 (1.15%) XenServer
Systems Management
1 31 (35.63%) Puppet
2 25 (28.74%) Opscode Chef
3 16 (18.39%) Nagios
4 10 (11.49%) Ansible
5 6 (6.90%) Cacti
6 5 (5.75%) Backup Exec
6 5 (5.75%) cPanel
6 5 (5.75%) Munin
6 5 (5.75%) Salt
7 4 (4.60%) Cisco CUCM
8 2 (2.30%) Cobbler
8 2 (2.30%) Terraform
9 1 (1.15%) Kubernetes
9 1 (1.15%) Mesos
9 1 (1.15%) Pacemaker
9 1 (1.15%) Rancher
9 1 (1.15%) rkt
9 1 (1.15%) SCCM
9 1 (1.15%) WSUS
9 1 (1.15%) Zenoss
Vendors
1 35 (40.23%) Red Hat
1 35 (40.23%) VMware
2 27 (31.03%) Microsoft
3 26 (29.89%) Cisco
4 9 (10.34%) NetApp
5 5 (5.75%) Facebook
5 5 (5.75%) Google
5 5 (5.75%) Twitter
6 4 (4.60%) Canon
6 4 (4.60%) HP
6 4 (4.60%) Oracle
6 4 (4.60%) Wyse
7 2 (2.30%) Citrix
7 2 (2.30%) Dell
7 2 (2.30%) Juniper
8 1 (1.15%) Adobe
8 1 (1.15%) Aspera
8 1 (1.15%) Fortinet
8 1 (1.15%) Kaspersky
8 1 (1.15%) SaltStack
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