The table below looks at the statistics for CentOS skills in IT jobs advertised for the East of England region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 27 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
27 Sep 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 220 252 229
Rank change year-on-year
+32 -23
Permanent jobs citing CentOS 25 15 41
As % of all permanent IT jobs located in the East of England 0.40% 0.21% 0.54%
As % of the Operating Systems category 1.68% 0.78% 1.88%
Number of salaries quoted 23 15 34
Median salary £50,000 £47,500 £42,250
Median salary % change year-on-year
+5.26% +12.42%
90% offered a salary of more than £34,600 £32,400 £29,750
10% offered a salary of more than £54,500 £55,000 £60,000
UK excluding London median salary £45,000 £42,500 £41,000
% change year-on-year
+5.88% +3.65%
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 East of England region.

Operating Systems Category
East of England
Permanent IT job ads with a match in the
Operating Systems category
1489 1912 2179
As % of all permanent IT jobs located in the East of England 23.95% 26.35% 28.88%
Number of salaries quoted 1253 1607 1777
Median salary £42,500 £40,000 £38,000
Median salary % change year-on-year
+6.25% +5.26%
90% offered a salary of more than £24,550 £25,000 £22,500
10% offered a salary of more than £65,000 £55,000 £55,000
UK excluding London median salary £37,530 £37,500 £36,000
% change year-on-year
+0.08% +4.16%

CentOS
Jobs Demand Trend in the East of England

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

CentOS Jobs Demand Trend in the East of England

CentOS
Salary Trend in the East of England

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

CentOS Salary Trend in the East of England

CentOS
Salary Histogram in the East of England

This chart provides a salary histogram for IT jobs citing CentOS across the East of England region over the 3 months to 27 September 2016.

CentOS Salary Histogram in the East of England

CentOS
Job Locations in the East of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the East of England region over the 3 months to 27 September 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
Cambridgeshire +20 17 £49,000 +22.50% 2
Hertfordshire +12 5 £52,500 +10.52%
Essex - 2 - -
Suffolk - 1 £75,000 -
CentOS
England

CentOS
Top 30 Related IT Skills in the East of England

For the 6 months to 27 September 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 East of England region with a requirement for CentOS.

1 49 (100.00%) Linux
2 28 (57.14%) Windows
3 25 (51.02%) Apache
4 21 (42.86%) Red Hat
5 19 (38.78%) Python
5 19 (38.78%) Red Hat Enterprise Linux
6 18 (36.73%) Bash Shell
6 18 (36.73%) Windows Server
7 17 (34.69%) DevOps
7 17 (34.69%) Perl
8 16 (32.65%) Ubuntu
8 16 (32.65%) VMware
9 15 (30.61%) LAMP
9 15 (30.61%) MySQL
10 14 (28.57%) VMware Infrastructure
11 13 (26.53%) Tomcat
12 12 (24.49%) Windows Server 2012
13 11 (22.45%) SQL
13 11 (22.45%) SAN
14 10 (20.41%) Firewall
14 10 (20.41%) Subversion
14 10 (20.41%) Ruby
14 10 (20.41%) Agile Software Development
14 10 (20.41%) Windows Server 2008
14 10 (20.41%) nginx
14 10 (20.41%) JIRA
14 10 (20.41%) Puppet
14 10 (20.41%) Amazon AWS
15 9 (18.37%) Git (software)
15 9 (18.37%) Opscode Chef

CentOS
Top Related IT Skills in the East of England 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 25 (51.02%) Apache
2 13 (26.53%) Tomcat
3 10 (20.41%) nginx
4 5 (10.20%) SharePoint
4 5 (10.20%) Skype for Business
5 4 (8.16%) Elasticsearch
6 3 (6.12%) WebLogic
7 2 (4.08%) Drupal
7 2 (4.08%) IIS
7 2 (4.08%) JBoss
7 2 (4.08%) WordPress
8 1 (2.04%) Confluence
8 1 (2.04%) OpenStack
Applications
1 1 (2.04%) MS Excel
Cloud Services
1 10 (20.41%) Amazon AWS
2 8 (16.33%) Microsoft Azure
2 8 (16.33%) Office 365
3 1 (2.04%) GitHub
Communications & Networking
1 11 (22.45%) SAN
2 10 (20.41%) Firewall
3 9 (18.37%) DNS
4 8 (16.33%) Wi-Fi
5 7 (14.29%) LDAP
6 6 (12.24%) SSL
7 5 (10.20%) TCP/IP
7 5 (10.20%) VLAN
7 5 (10.20%) WPA
8 4 (8.16%) DHCP
9 3 (6.12%) Wireless
10 2 (4.08%) Fibre Channel
10 2 (4.08%) NetScaler
10 2 (4.08%) VPN
10 2 (4.08%) WAN
11 1 (2.04%) IMAP
11 1 (2.04%) NAS
11 1 (2.04%) POP3
11 1 (2.04%) SMTP
11 1 (2.04%) tcpdump
Database & Business Intelligence
1 15 (30.61%) MySQL
2 6 (12.24%) SQL Server
3 4 (8.16%) DB2
3 4 (8.16%) PostgreSQL
4 2 (4.08%) Crystal Reports
4 2 (4.08%) Oracle Database
4 2 (4.08%) Oracle Reports
4 2 (4.08%) RDBMS
4 2 (4.08%) Relational Database
5 1 (2.04%) SQL Server 2005
5 1 (2.04%) SQL Server 2008
5 1 (2.04%) SQLite
Development Applications
1 10 (20.41%) JIRA
1 10 (20.41%) Subversion
2 9 (18.37%) Git (software)
3 6 (12.24%) Jenkins
4 2 (4.08%) Bitbucket
5 1 (2.04%) Atlassian Bamboo
5 1 (2.04%) Maven
General
1 8 (16.33%) Finance
2 2 (4.08%) Manufacturing
3 1 (2.04%) Games
3 1 (2.04%) Telecoms
Job Titles
1 21 (42.86%) Administrator
2 20 (40.82%) Systems Administrator
3 17 (34.69%) Linux Administrator
3 17 (34.69%) Linux Systems Administrator
4 12 (24.49%) Support Engineer
5 7 (14.29%) Linux Engineer
6 6 (12.24%) IT Support
6 6 (12.24%) Senior Systems Administrator
7 5 (10.20%) Applications Engineer
7 5 (10.20%) Applications Support
7 5 (10.20%) Applications Support Engineer
7 5 (10.20%) Cloud Engineer
7 5 (10.20%) Implementation Engineer
7 5 (10.20%) IT Engineer
7 5 (10.20%) IT Support Engineer
7 5 (10.20%) Senior IT Support
8 4 (8.16%) Linux Systems Engineer
8 4 (8.16%) Senior IT Engineer
8 4 (8.16%) Senior Support Engineer
8 4 (8.16%) Systems Engineer
Libraries, Frameworks & Software Standards
1 15 (30.61%) LAMP
2 9 (18.37%) LEMP Stack
3 8 (16.33%) XML
4 7 (14.29%) JSON
5 5 (10.20%) AngularJS
5 5 (10.20%) Buildbot
5 5 (10.20%) jQuery
6 4 (8.16%) ELK Stack
6 4 (8.16%) REST
6 4 (8.16%) Ruby on Rails
7 3 (6.12%) Apache Camel
7 3 (6.12%) Middleware
7 3 (6.12%) SAML
7 3 (6.12%) Web Services
8 2 (4.08%) Apache Flex
8 2 (4.08%) J2EE
9 1 (2.04%) Hibernate
9 1 (2.04%) JSP
9 1 (2.04%) Spring
9 1 (2.04%) XSL
Miscellaneous
1 6 (12.24%) Data Centre
2 5 (10.20%) Analytical Skills
3 4 (8.16%) Enterprise Software
3 4 (8.16%) Public Cloud
4 3 (6.12%) CMDB
4 3 (6.12%) Private Cloud
5 2 (4.08%) Computer Science
5 2 (4.08%) Virtual Team
6 1 (2.04%) BBC
6 1 (2.04%) iPhone
6 1 (2.04%) Management Information System
Operating Systems
1 49 (100.00%) Linux
2 28 (57.14%) Windows
3 19 (38.78%) Red Hat Enterprise Linux
4 18 (36.73%) Windows Server
5 16 (32.65%) Ubuntu
6 12 (24.49%) Windows Server 2012
7 10 (20.41%) Windows Server 2008
8 7 (14.29%) Debian
9 6 (12.24%) Unix
10 4 (8.16%) Embedded Linux
10 4 (8.16%) Mac OS X
11 3 (6.12%) Fedora
11 3 (6.12%) SUSE
12 1 (2.04%) Android
12 1 (2.04%) HPUX
12 1 (2.04%) Oracle Linux
12 1 (2.04%) Windows 7
12 1 (2.04%) Windows Server 2003
Processes & Methodologies
1 17 (34.69%) DevOps
2 10 (20.41%) Agile Software Development
3 9 (18.37%) Configuration Management
4 7 (14.29%) ITIL
5 6 (12.24%) Software Engineering
6 5 (10.20%) Change Management
6 5 (10.20%) Continuous Improvement
6 5 (10.20%) Continuous Integration
6 5 (10.20%) Load Balancing
6 5 (10.20%) Release Management
7 4 (8.16%) Open Source
7 4 (8.16%) Performance Analysis
7 4 (8.16%) Server Virtualisation
8 3 (6.12%) Disaster Recovery
8 3 (6.12%) Incident Management
8 3 (6.12%) Root Cause Analysis
9 2 (4.08%) Change Control
9 2 (4.08%) High Availability
9 2 (4.08%) Migration
9 2 (4.08%) Virtual Infrastructure
Programming Languages
1 19 (38.78%) Python
2 18 (36.73%) Bash Shell
3 17 (34.69%) Perl
4 11 (22.45%) SQL
5 10 (20.41%) Ruby
6 8 (16.33%) JavaScript
7 7 (14.29%) Java
7 7 (14.29%) PHP
8 5 (10.20%) PowerShell
8 5 (10.20%) Shell Script
9 2 (4.08%) C
9 2 (4.08%) C++
10 1 (2.04%) VBScript
Qualifications
1 2 (4.08%) Degree
2 1 (2.04%) CCNP
2 1 (2.04%) Cisco Certification
Quality Assurance & Compliance
1 3 (6.12%) SLA
2 2 (4.08%) QA
System Software
1 14 (28.57%) VMware Infrastructure
2 7 (14.29%) Active Directory
2 7 (14.29%) NFS
2 7 (14.29%) Samba
3 5 (10.20%) Virtual Machines
4 3 (6.12%) Hyper-V
5 2 (4.08%) iptables
5 2 (4.08%) Sendmail
5 2 (4.08%) VMware ESX
5 2 (4.08%) vSphere
5 2 (4.08%) XenApp
6 1 (2.04%) Docker
6 1 (2.04%) Postfix
6 1 (2.04%) Varnish
6 1 (2.04%) vCloud
6 1 (2.04%) Virtual Servers
6 1 (2.04%) Xen
6 1 (2.04%) XenServer
Systems Management
1 10 (20.41%) Puppet
2 9 (18.37%) Opscode Chef
3 8 (16.33%) Ansible
4 5 (10.20%) Red Hat Spacewalk
5 4 (8.16%) Kibana
5 4 (8.16%) logstash
6 2 (4.08%) CFEngine
7 1 (2.04%) cPanel
7 1 (2.04%) HAProxy
7 1 (2.04%) Nagios
7 1 (2.04%) Red Hat Satellite
Vendors
1 21 (42.86%) Red Hat
2 16 (32.65%) VMware
3 7 (14.29%) Atlassian
3 7 (14.29%) Microsoft
4 6 (12.24%) CheckPoint
4 6 (12.24%) Oracle
5 4 (8.16%) Sun
6 3 (6.12%) Citrix
6 3 (6.12%) HP
7 2 (4.08%) Cisco
7 2 (4.08%) NetApp
8 1 (2.04%) 3PAR
8 1 (2.04%) Altiris
8 1 (2.04%) Aruba
8 1 (2.04%) Dell
8 1 (2.04%) F5
8 1 (2.04%) Juniper
8 1 (2.04%) Kaspersky
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