The table below looks at the statistics for CentOS skills in IT jobs advertised for the Cambridge region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 25 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 91 89 100
Rank change year-on-year
-2 +11
Permanent jobs citing CentOS 11 18 25
As % of all permanent IT jobs located in Cambridge 0.94% 1.29% 1.41%
As % of the Operating Systems category 2.81% 4.39% 4.17%
Number of salaries quoted 11 18 24
Median salary £47,500 £42,500 £42,250
Median salary % change year-on-year
+11.76% +0.59%
90% offered a salary of more than £35,000 £34,950 £40,150
10% offered a salary of more than £50,000 £45,450 £45,000
UK excluding London median salary £47,500 £42,500 £40,000
% change year-on-year
+11.76% +6.25%
CentOS
Cambridgeshire

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

Operating Systems Category
Cambridge
Permanent IT job ads with a match in the
Operating Systems category
391 410 599
As % of all permanent IT jobs located in Cambridge 33.39% 29.31% 33.84%
Number of salaries quoted 323 338 483
Median salary £45,000 £40,000 £41,000
Median salary % change year-on-year
+12.50% -2.43%
90% offered a salary of more than £27,550 £26,500 £25,000
10% offered a salary of more than £62,500 £55,000 £55,000
UK excluding London median salary £38,000 £37,500 £36,000
% change year-on-year
+1.33% +4.16%

CentOS
Jobs Demand Trend in Cambridge

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

CentOS Jobs Demand Trend in Cambridge

CentOS
Salary Trend in Cambridge

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

CentOS Salary Trend in Cambridge

CentOS
Salary Histogram in Cambridge

This chart provides a salary histogram for IT jobs citing CentOS across the Cambridge region over the 3 months to 25 July 2016.

CentOS Salary Histogram in Cambridge

CentOS
Top 30 Related IT Skills in Cambridge

For the 6 months to 25 July 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 Cambridge region with a requirement for CentOS.

1 20 (100.00%) Linux
2 11 (55.00%) Red Hat
3 7 (35.00%) Ubuntu
3 7 (35.00%) Red Hat Enterprise Linux
4 5 (25.00%) LAMP
4 5 (25.00%) Debian
4 5 (25.00%) PostgreSQL
4 5 (25.00%) VMware
4 5 (25.00%) Windows
4 5 (25.00%) Python
4 5 (25.00%) SQL
4 5 (25.00%) Bash Shell
5 4 (20.00%) DevOps
5 4 (20.00%) Windows Server
5 4 (20.00%) Continuous Improvement
5 4 (20.00%) Puppet
5 4 (20.00%) Opscode Chef
5 4 (20.00%) Ruby
5 4 (20.00%) Perl
5 4 (20.00%) DB2
5 4 (20.00%) MySQL
5 4 (20.00%) Apache
6 3 (15.00%) Unix
6 3 (15.00%) WAN
6 3 (15.00%) Java
6 3 (15.00%) Finance
6 3 (15.00%) Active Directory
6 3 (15.00%) JIRA
6 3 (15.00%) Confluence
6 3 (15.00%) VMware Infrastructure

CentOS
Top Related IT Skills in Cambridge 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 4 (20.00%) Apache
2 3 (15.00%) Confluence
3 2 (10.00%) nginx
3 2 (10.00%) Tomcat
4 1 (5.00%) IIS
4 1 (5.00%) JBoss
Cloud Services
1 1 (5.00%) Amazon AWS
1 1 (5.00%) GitHub
Communications & Networking
1 3 (15.00%) WAN
2 2 (10.00%) Firewall
2 2 (10.00%) LAN
2 2 (10.00%) TCP/IP
2 2 (10.00%) VoIP
3 1 (5.00%) DNS
3 1 (5.00%) HTTP
3 1 (5.00%) Kerberos
3 1 (5.00%) SNMP
3 1 (5.00%) SSL
3 1 (5.00%) tcpdump
3 1 (5.00%) VLAN
Database & Business Intelligence
1 5 (25.00%) PostgreSQL
2 4 (20.00%) DB2
2 4 (20.00%) MySQL
3 1 (5.00%) SQL Server
3 1 (5.00%) SQL Server 2008
Development Applications
1 3 (15.00%) JIRA
2 2 (10.00%) Git (software)
2 2 (10.00%) Subversion
3 1 (5.00%) Atlassian Bamboo
3 1 (5.00%) Jenkins
3 1 (5.00%) Maven
General
1 3 (15.00%) Finance
2 1 (5.00%) Games
Job Titles
1 6 (30.00%) Administrator
1 6 (30.00%) Systems Administrator
2 5 (25.00%) Cloud Engineer
2 5 (25.00%) Implementation Engineer
3 4 (20.00%) Linux Administrator
3 4 (20.00%) Linux Engineer
3 4 (20.00%) Linux Systems Administrator
3 4 (20.00%) Support Engineer
4 3 (15.00%) IT Support
4 3 (15.00%) Senior IT Support
5 2 (10.00%) DevOps Engineer
5 2 (10.00%) IT Administrator
5 2 (10.00%) IT Engineer
5 2 (10.00%) IT Support Engineer
5 2 (10.00%) IT Systems Administrator
5 2 (10.00%) Linux Support
5 2 (10.00%) Linux Support Engineer
5 2 (10.00%) Senior IT Engineer
5 2 (10.00%) Senior Support Engineer
6 1 (5.00%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 5 (25.00%) LAMP
2 1 (5.00%) Hibernate
2 1 (5.00%) JSP
2 1 (5.00%) LAPP Stack
2 1 (5.00%) LEMP Stack
2 1 (5.00%) Spring
2 1 (5.00%) Web Services
Miscellaneous
1 3 (15.00%) Analytical Skills
2 1 (5.00%) BBC
2 1 (5.00%) Computer Science
2 1 (5.00%) iPhone
2 1 (5.00%) Replication
2 1 (5.00%) Virtual Team
Operating Systems
1 20 (100.00%) Linux
2 7 (35.00%) Red Hat Enterprise Linux
2 7 (35.00%) Ubuntu
3 5 (25.00%) Debian
3 5 (25.00%) Windows
4 4 (20.00%) Windows Server
5 3 (15.00%) Unix
5 3 (15.00%) Windows Server 2008
6 2 (10.00%) Windows 7
7 1 (5.00%) Android
7 1 (5.00%) Fedora
7 1 (5.00%) HPUX
7 1 (5.00%) Oracle Linux
Processes & Methodologies
1 4 (20.00%) Continuous Improvement
1 4 (20.00%) DevOps
2 2 (10.00%) Agile Software Development
2 2 (10.00%) Configuration Management
2 2 (10.00%) ITIL
2 2 (10.00%) Server Building
3 1 (5.00%) CRM
3 1 (5.00%) Data Management
3 1 (5.00%) High Availability
3 1 (5.00%) ITIL V3
3 1 (5.00%) Load Balancing
3 1 (5.00%) OO
3 1 (5.00%) Open Source
3 1 (5.00%) Patch Management
3 1 (5.00%) Problem Management
3 1 (5.00%) Project Management
3 1 (5.00%) Scrum
3 1 (5.00%) SDLC
3 1 (5.00%) Software Engineering
3 1 (5.00%) TDD
Programming Languages
1 5 (25.00%) Bash Shell
1 5 (25.00%) Python
1 5 (25.00%) SQL
2 4 (20.00%) Perl
2 4 (20.00%) Ruby
3 3 (15.00%) Java
4 2 (10.00%) JavaScript
4 2 (10.00%) PHP
5 1 (5.00%) C
5 1 (5.00%) C++
5 1 (5.00%) T-SQL
Qualifications
1 2 (10.00%) MCP
1 2 (10.00%) MCSE
1 2 (10.00%) Microsoft Certification
2 1 (5.00%) Degree
2 1 (5.00%) LPIC
2 1 (5.00%) RHCE
Quality Assurance & Compliance
1 1 (5.00%) QA
1 1 (5.00%) SLA
System Software
1 3 (15.00%) Active Directory
1 3 (15.00%) VMware Infrastructure
2 2 (10.00%) Hyper-V
2 2 (10.00%) iptables
2 2 (10.00%) KVM
2 2 (10.00%) Postfix
2 2 (10.00%) vSphere
2 2 (10.00%) Xen
3 1 (5.00%) Docker
3 1 (5.00%) Sendmail
3 1 (5.00%) Virtual Machines
Systems Management
1 4 (20.00%) Opscode Chef
1 4 (20.00%) Puppet
2 2 (10.00%) Ansible
2 2 (10.00%) CFEngine
3 1 (5.00%) HAProxy
3 1 (5.00%) Nagios
3 1 (5.00%) Red Hat Satellite
Vendors
1 11 (55.00%) Red Hat
2 5 (25.00%) VMware
3 1 (5.00%) Atlassian
3 1 (5.00%) HP
3 1 (5.00%) Oracle
3 1 (5.00%) Sun