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 24 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
24 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
Cambridgeshire / Cambridge
Rank 104 106 103
Rank change year-on-year
+2 -3
Permanent jobs citing CentOS 4 7 6
As % of all permanent IT jobs located in Cambridge 0.35% 0.48% 0.38%
As % of the Operating Systems category 0.94% 1.65% 1.18%
Number of salaries quoted 4 7 4
Median salary £46,750 £32,500 £51,250
Median salary % change year-on-year
+43.84% -36.58%
90% offered a salary of more than £45,000 £30,000 £50,000
10% offered a salary of more than £48,500 £45,000 £52,500
UK excluding London median salary £47,500 £45,000 £42,000
% change year-on-year
+5.55% +7.14%

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
424 424 507
As % of all permanent IT jobs located in Cambridge 36.81% 29.22% 31.83%
Number of salaries quoted 356 323 418
Median salary £40,000 £42,500 £40,000
Median salary % change year-on-year
-5.88% +6.25%
90% offered a salary of more than £25,980 £27,500 £25,000
10% offered a salary of more than £57,500 £55,000 £52,500
UK excluding London median salary £37,500 £37,500 £37,500

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
Top 30 Related IT Skills in Cambridge

For the 6 months to 24 January 2017, 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 14 (100.00%) Linux
2 12 (85.71%) Windows
2 12 (85.71%) MySQL
2 12 (85.71%) Amazon AWS
3 11 (78.57%) Perl
3 11 (78.57%) Python
3 11 (78.57%) LDAP
4 9 (64.29%) LAMP
4 9 (64.29%) XML
4 9 (64.29%) Ubuntu
4 9 (64.29%) Puppet
4 9 (64.29%) Opscode Chef
4 9 (64.29%) Ansible
5 8 (57.14%) DevOps
5 8 (57.14%) Office 365
5 8 (57.14%) JSON
5 8 (57.14%) Microsoft Azure
5 8 (57.14%) Apache
5 8 (57.14%) DHCP
5 8 (57.14%) DNS
5 8 (57.14%) Agile Software Development
5 8 (57.14%) Subversion
5 8 (57.14%) SAN
5 8 (57.14%) Windows Server
6 7 (50.00%) LEMP Stack
6 7 (50.00%) Wi-Fi
6 7 (50.00%) Samba
6 7 (50.00%) VMware
6 7 (50.00%) NFS
6 7 (50.00%) Git (software)

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 8 (57.14%) Apache
2 7 (50.00%) nginx
3 6 (42.86%) Elasticsearch
4 5 (35.71%) SharePoint
4 5 (35.71%) Skype for Business
5 2 (14.29%) Drupal
5 2 (14.29%) WordPress
6 1 (7.14%) Jetty
Applications
1 1 (7.14%) MS Excel
Cloud Services
1 12 (85.71%) Amazon AWS
2 8 (57.14%) Microsoft Azure
2 8 (57.14%) Office 365
Communications & Networking
1 11 (78.57%) LDAP
2 8 (57.14%) DHCP
2 8 (57.14%) DNS
2 8 (57.14%) SAN
3 7 (50.00%) Wi-Fi
4 5 (35.71%) Firewall
4 5 (35.71%) SSL
4 5 (35.71%) WPA
5 4 (28.57%) SMTP
5 4 (28.57%) SNMP
5 4 (28.57%) TCP/IP
5 4 (28.57%) VLAN
6 2 (14.29%) Fibre Channel
6 2 (14.29%) VPN
6 2 (14.29%) Wireless
7 1 (7.14%) HTTP
Database & Business Intelligence
1 12 (85.71%) MySQL
2 2 (14.29%) Hadoop
3 1 (7.14%) SQL Server
3 1 (7.14%) SQL Server 2005
3 1 (7.14%) SQL Server 2008
3 1 (7.14%) SQLite
Development Applications
1 8 (57.14%) Subversion
2 7 (50.00%) Git (software)
2 7 (50.00%) JIRA
3 5 (35.71%) Buildbot
3 5 (35.71%) Jenkins
4 2 (14.29%) Bitbucket
General
1 2 (14.29%) Manufacturing
Job Titles
1 11 (78.57%) Administrator
1 11 (78.57%) Systems Administrator
2 8 (57.14%) Senior Systems Administrator
3 5 (35.71%) Linux Administrator
3 5 (35.71%) Linux Systems Administrator
4 3 (21.43%) Linux Engineer
4 3 (21.43%) Linux Systems Engineer
4 3 (21.43%) Systems Engineer
5 2 (14.29%) Senior Linux Administrator
5 2 (14.29%) Senior Linux Systems Administrator
6 1 (7.14%) Developer
6 1 (7.14%) DevOps Engineer
6 1 (7.14%) DevOps Manager
6 1 (7.14%) IT Engineer
6 1 (7.14%) IT Support
6 1 (7.14%) Java Developer
6 1 (7.14%) Linux Developer
6 1 (7.14%) Service Manager
6 1 (7.14%) Support Engineer
6 1 (7.14%) Technical Services Manager
Libraries, Frameworks & Software Standards
1 9 (64.29%) LAMP
1 9 (64.29%) XML
2 8 (57.14%) JSON
3 7 (50.00%) LEMP Stack
4 4 (28.57%) ELK Stack
4 4 (28.57%) REST
4 4 (28.57%) Ruby on Rails
5 3 (21.43%) SAML
6 2 (14.29%) Apache Flex
6 2 (14.29%) WSH
7 1 (7.14%) J2SE
7 1 (7.14%) XSL
Miscellaneous
1 4 (28.57%) Enterprise Software
1 4 (28.57%) Public Cloud
2 3 (21.43%) Private Cloud
3 2 (14.29%) Data Centre
3 2 (14.29%) Driving Licence
3 2 (14.29%) Informatics
4 1 (7.14%) Virtual Team
Operating Systems
1 14 (100.00%) Linux
2 12 (85.71%) Windows
3 9 (64.29%) Ubuntu
4 8 (57.14%) Windows Server
5 7 (50.00%) Windows Server 2008
6 4 (28.57%) Embedded Linux
6 4 (28.57%) Mac OS X
6 4 (28.57%) Windows Server 2012
7 2 (14.29%) Unix
8 1 (7.14%) Fedora
8 1 (7.14%) Windows 7
8 1 (7.14%) Windows Server 2003
Processes & Methodologies
1 8 (57.14%) Agile Software Development
1 8 (57.14%) DevOps
2 5 (35.71%) Configuration Management
2 5 (35.71%) Continuous Integration
3 4 (28.57%) High Availability
3 4 (28.57%) Performance Analysis
3 4 (28.57%) Server Virtualisation
3 4 (28.57%) Software Engineering
3 4 (28.57%) Workflow
4 3 (21.43%) Disaster Recovery
4 3 (21.43%) Load Balancing
4 3 (21.43%) Open Source
5 2 (14.29%) Bioinformatics
5 2 (14.29%) DNA
5 2 (14.29%) Incident Management
5 2 (14.29%) Migration
6 1 (7.14%) Data Transformation
6 1 (7.14%) Scrum
Programming Languages
1 11 (78.57%) Perl
1 11 (78.57%) Python
2 7 (50.00%) Bash Shell
2 7 (50.00%) Ruby
3 4 (28.57%) PowerShell
4 2 (14.29%) Java
4 2 (14.29%) PHP
5 1 (7.14%) C
5 1 (7.14%) C++
5 1 (7.14%) JavaScript
5 1 (7.14%) SQL
Qualifications
1 4 (28.57%) Degree
Quality Assurance & Compliance
1 1 (7.14%) QA
1 1 (7.14%) SLA
System Software
1 7 (50.00%) NFS
1 7 (50.00%) Samba
1 7 (50.00%) VMware Infrastructure
2 2 (14.29%) Virtual Machines
2 2 (14.29%) VMware ESX
3 1 (7.14%) Active Directory
3 1 (7.14%) Docker
3 1 (7.14%) Hyper-V
Systems Management
1 9 (64.29%) Ansible
1 9 (64.29%) Opscode Chef
1 9 (64.29%) Puppet
2 5 (35.71%) Red Hat Spacewalk
3 4 (28.57%) Kibana
3 4 (28.57%) logstash
3 4 (28.57%) Salt
Vendors
1 7 (50.00%) VMware
2 5 (35.71%) CheckPoint
3 4 (28.57%) Atlassian
3 4 (28.57%) Sun
4 3 (21.43%) Microsoft
5 1 (7.14%) Altiris
5 1 (7.14%) Dell
5 1 (7.14%) HP
5 1 (7.14%) Kaspersky