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

3 months to
16 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
England / East of England
Rank 220 246 244
Rank change year-on-year
+26 -2
Permanent jobs citing CentOS 19 13 16
As % of all permanent IT jobs located in the East of England 0.32% 0.19% 0.22%
As % of the Operating Systems category 1.31% 0.76% 0.83%
Number of salaries quoted 19 13 13
Median salary £45,000 £37,500 £50,000
Median salary % change year-on-year
+20.00% -25.00%
90% offered a salary of more than £42,300 £30,500 £34,000
10% offered a salary of more than £50,000 £49,000 £55,000
UK excluding London median salary £45,000 £45,000 £41,500
% change year-on-year
- +8.43%

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
1449 1715 1935
As % of all permanent IT jobs located in the East of England 24.63% 25.35% 26.85%
Number of salaries quoted 1162 1402 1560
Median salary £42,500 £37,500 £40,000
Median salary % change year-on-year
+13.33% -6.25%
90% offered a salary of more than £25,000 £23,000 £22,500
10% offered a salary of more than £57,500 £55,000 £55,000
UK excluding London median salary £37,500 £37,500 £37,500

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 16 January 2017.

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 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Cambridgeshire +1 10 £50,000 +33.33% 2
Hertfordshire +6 6 £45,000 -10.00% 2
Suffolk - 2 £45,000 -
Essex - 1 £48,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in the East of England

For the 6 months to 16 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 East of England region with a requirement for CentOS.

1 44 (100.00%) Linux
2 41 (93.18%) Windows
3 30 (68.18%) Windows Server
4 22 (50.00%) Apache
5 21 (47.73%) Red Hat Enterprise Linux
5 21 (47.73%) Windows Server 2012
6 19 (43.18%) SQL
7 17 (38.64%) SQL Server
8 16 (36.36%) MySQL
8 16 (36.36%) VMware
8 16 (36.36%) VMware Infrastructure
9 15 (34.09%) Configuration Management
10 14 (31.82%) Red Hat
10 14 (31.82%) Change Management
10 14 (31.82%) SAN
10 14 (31.82%) JavaScript
10 14 (31.82%) LAMP
10 14 (31.82%) Amazon AWS
11 13 (29.55%) Python
12 12 (27.27%) Tomcat
12 12 (27.27%) LDAP
12 12 (27.27%) Perl
12 12 (27.27%) Oracle
12 12 (27.27%) ITIL
12 12 (27.27%) Shell Script
12 12 (27.27%) Incident Management
12 12 (27.27%) Release Management
12 12 (27.27%) jQuery
12 12 (27.27%) Windows Server 2008
12 12 (27.27%) AngularJS

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 22 (50.00%) Apache
2 12 (27.27%) Tomcat
3 10 (22.73%) WebLogic
4 8 (18.18%) nginx
5 6 (13.64%) Elasticsearch
5 6 (13.64%) IIS
6 5 (11.36%) SharePoint
6 5 (11.36%) Skype for Business
7 2 (4.55%) Drupal
7 2 (4.55%) JBoss
7 2 (4.55%) WordPress
8 1 (2.27%) Jetty
Applications
1 1 (2.27%) MS Excel
Cloud Services
1 14 (31.82%) Amazon AWS
2 8 (18.18%) Microsoft Azure
2 8 (18.18%) Office 365
Communications & Networking
1 14 (31.82%) SAN
2 12 (27.27%) LDAP
3 11 (25.00%) DNS
4 10 (22.73%) TCP/IP
5 9 (20.45%) DHCP
6 7 (15.91%) Firewall
6 7 (15.91%) Wi-Fi
7 5 (11.36%) LAN
7 5 (11.36%) SMTP
7 5 (11.36%) SNMP
7 5 (11.36%) SSL
7 5 (11.36%) WAN
7 5 (11.36%) WPA
8 4 (9.09%) VLAN
9 2 (4.55%) Fibre Channel
9 2 (4.55%) IP Telephony
9 2 (4.55%) NetScaler
9 2 (4.55%) VPN
9 2 (4.55%) Wireless
10 1 (2.27%) HTTP
Database & Business Intelligence
1 17 (38.64%) SQL Server
2 16 (36.36%) MySQL
3 2 (4.55%) Crystal Reports
3 2 (4.55%) Hadoop
3 2 (4.55%) Oracle Database
3 2 (4.55%) Oracle Reports
3 2 (4.55%) RDBMS
3 2 (4.55%) Relational Database
4 1 (2.27%) SQL Server 2005
4 1 (2.27%) SQL Server 2008
4 1 (2.27%) SQLite
Development Applications
1 9 (20.45%) JIRA
2 8 (18.18%) Subversion
3 7 (15.91%) Git (software)
4 5 (11.36%) Buildbot
4 5 (11.36%) Jenkins
5 2 (4.55%) Bitbucket
General
1 4 (9.09%) Finance
1 4 (9.09%) Marketing
2 2 (4.55%) Manufacturing
2 2 (4.55%) Telecoms
Job Titles
1 19 (43.18%) Administrator
1 19 (43.18%) Systems Administrator
2 15 (34.09%) Support Engineer
3 12 (27.27%) Applications Engineer
3 12 (27.27%) Applications Support
3 12 (27.27%) Applications Support Engineer
4 11 (25.00%) Linux Administrator
4 11 (25.00%) Linux Systems Administrator
5 9 (20.45%) Senior Systems Administrator
6 5 (11.36%) Linux Engineer
7 3 (6.82%) Linux Systems Engineer
7 3 (6.82%) Platform Engineer
7 3 (6.82%) Senior Linux Administrator
7 3 (6.82%) Senior Linux Systems Administrator
7 3 (6.82%) Systems Engineer
7 3 (6.82%) Technical Engineer
8 2 (4.55%) 2nd Line Engineer
8 2 (4.55%) 2nd Line Technical Support
8 2 (4.55%) 2nd Line Technical Support Engineer
8 2 (4.55%) DevOps Manager
Libraries, Frameworks & Software Standards
1 14 (31.82%) LAMP
2 12 (27.27%) AngularJS
2 12 (27.27%) jQuery
3 10 (22.73%) Apache Camel
3 10 (22.73%) Middleware
4 9 (20.45%) XML
5 8 (18.18%) JSON
5 8 (18.18%) LEMP Stack
6 4 (9.09%) ELK Stack
6 4 (9.09%) REST
6 4 (9.09%) Ruby on Rails
7 3 (6.82%) SAML
7 3 (6.82%) WSH
8 2 (4.55%) Apache Flex
8 2 (4.55%) J2EE
8 2 (4.55%) Web Services
9 1 (2.27%) J2SE
9 1 (2.27%) XSL
Miscellaneous
1 10 (22.73%) CMDB
2 6 (13.64%) Data Centre
3 4 (9.09%) Enterprise Software
3 4 (9.09%) Public Cloud
4 3 (6.82%) Cybercrime
4 3 (6.82%) Private Cloud
5 2 (4.55%) Computer Science
5 2 (4.55%) Driving Licence
5 2 (4.55%) Informatics
5 2 (4.55%) Management Information System
5 2 (4.55%) Virtual Team
6 1 (2.27%) Life Science
Operating Systems
1 44 (100.00%) Linux
2 41 (93.18%) Windows
3 30 (68.18%) Windows Server
4 21 (47.73%) Red Hat Enterprise Linux
4 21 (47.73%) Windows Server 2012
5 12 (27.27%) Windows Server 2008
6 9 (20.45%) Ubuntu
7 7 (15.91%) Unix
8 4 (9.09%) Embedded Linux
8 4 (9.09%) Mac OS X
9 2 (4.55%) Fedora
9 2 (4.55%) SUSE
10 1 (2.27%) Amazon Linux
10 1 (2.27%) Windows 7
10 1 (2.27%) Windows Server 2003
Processes & Methodologies
1 15 (34.09%) Configuration Management
2 14 (31.82%) Change Management
3 12 (27.27%) Incident Management
3 12 (27.27%) ITIL
3 12 (27.27%) Release Management
4 11 (25.00%) Agile Software Development
5 10 (22.73%) Root Cause Analysis
6 9 (20.45%) DevOps
7 7 (15.91%) Open Source
8 6 (13.64%) Software Engineering
9 5 (11.36%) Continuous Integration
9 5 (11.36%) High Availability
9 5 (11.36%) Workflow
10 4 (9.09%) Performance Analysis
10 4 (9.09%) Server Virtualisation
11 3 (6.82%) Disaster Recovery
11 3 (6.82%) Load Balancing
12 2 (4.55%) Bioinformatics
12 2 (4.55%) Migration
12 2 (4.55%) Vulnerability Assessment
Programming Languages
1 19 (43.18%) SQL
2 14 (31.82%) JavaScript
3 13 (29.55%) Python
4 12 (27.27%) Perl
4 12 (27.27%) Shell Script
5 7 (15.91%) Bash Shell
5 7 (15.91%) Java
5 7 (15.91%) Ruby
6 4 (9.09%) PowerShell
7 3 (6.82%) PHP
8 2 (4.55%) C
8 2 (4.55%) C++
Qualifications
1 7 (15.91%) Degree
2 3 (6.82%) DV Cleared
2 3 (6.82%) SC Cleared
2 3 (6.82%) Security Cleared
Quality Assurance & Compliance
1 2 (4.55%) QA
1 2 (4.55%) SLA
System Software
1 16 (36.36%) VMware Infrastructure
2 7 (15.91%) Active Directory
2 7 (15.91%) NFS
2 7 (15.91%) Samba
3 5 (11.36%) VMware ESX
4 4 (9.09%) Virtual Machines
5 2 (4.55%) Virtual Servers
5 2 (4.55%) Xen
5 2 (4.55%) XenApp
5 2 (4.55%) XenServer
6 1 (2.27%) Docker
6 1 (2.27%) Hyper-V
Systems Management
1 10 (22.73%) Ansible
1 10 (22.73%) Opscode Chef
1 10 (22.73%) Puppet
2 5 (11.36%) Red Hat Spacewalk
2 5 (11.36%) Salt
3 4 (9.09%) Kibana
3 4 (9.09%) logstash
Vendors
1 16 (36.36%) VMware
2 14 (31.82%) Red Hat
3 12 (27.27%) Oracle
4 7 (15.91%) Microsoft
5 6 (13.64%) Atlassian
6 5 (11.36%) CheckPoint
7 4 (9.09%) Cisco
7 4 (9.09%) Citrix
7 4 (9.09%) Sun
8 2 (4.55%) NetApp
9 1 (2.27%) Altiris
9 1 (2.27%) Dell
9 1 (2.27%) HP
9 1 (2.27%) Kaspersky
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