The table below looks at the statistics for CentOS skills in IT jobs advertised for the Reading region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 24 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
24 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 112 79 128
Rank change year-on-year
-33 +49
Permanent jobs citing CentOS 26 72 19
As % of all permanent IT jobs located in Reading 1.43% 3.26% 0.77%
As % of the Operating Systems category 4.25% 11.43% 2.61%
Number of salaries quoted 25 53 17
Median salary £55,000 £42,500 £42,750
Median salary % change year-on-year
+29.41% -0.58%
90% offered a salary of more than £45,000 £24,000 £22,000
10% offered a salary of more than £67,500 £55,000 £48,500
UK excluding London median salary £47,500 £42,500 £41,500
% change year-on-year
+11.76% +2.40%
CentOS
Berkshire

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

Operating Systems Category
Reading
Permanent IT job ads with a match in the
Operating Systems category
612 630 727
As % of all permanent IT jobs located in Reading 33.70% 28.56% 29.47%
Number of salaries quoted 500 489 536
Median salary £50,000 £39,000 £37,500
Median salary % change year-on-year
+28.20% +4.00%
90% offered a salary of more than £35,000 £23,000 £26,000
10% offered a salary of more than £70,000 £60,000 £60,000
UK excluding London median salary £38,000 £37,500 £36,500
% change year-on-year
+1.33% +2.73%

CentOS
Jobs Demand Trend in Reading

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

CentOS Jobs Demand Trend in Reading

CentOS
Salary Trend in Reading

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

CentOS Salary Trend in Reading

CentOS
Salary Histogram in Reading

This chart provides a salary histogram for IT jobs citing CentOS across the Reading region over the 3 months to 24 August 2016.

CentOS Salary Histogram in Reading

CentOS
Top 30 Related IT Skills in Reading

For the 6 months to 24 August 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 Reading region with a requirement for CentOS.

1 48 (100.00%) Linux
2 28 (58.33%) Red Hat Enterprise Linux
3 23 (47.92%) Amazon AWS
3 23 (47.92%) Red Hat
4 21 (43.75%) Debian
5 20 (41.67%) Python
6 19 (39.58%) MySQL
7 17 (35.42%) Windows
7 17 (35.42%) Ubuntu
7 17 (35.42%) Bash Shell
7 17 (35.42%) DevOps
8 16 (33.33%) Puppet
8 16 (33.33%) Jenkins
8 16 (33.33%) Web Services
9 15 (31.25%) Apache
9 15 (31.25%) Java
10 14 (29.17%) Perl
10 14 (29.17%) Apache Cassandra
10 14 (29.17%) Terraform
10 14 (29.17%) Windows Server
11 13 (27.08%) Patch Management
11 13 (27.08%) Ansible
11 13 (27.08%) JBoss
11 13 (27.08%) Unix
12 12 (25.00%) SQL Server
12 12 (25.00%) Elasticsearch
12 12 (25.00%) Root Cause Analysis
12 12 (25.00%) Sensu
12 12 (25.00%) Graphite
13 11 (22.92%) Tomcat

CentOS
Top Related IT Skills in Reading 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 15 (31.25%) Apache
2 13 (27.08%) JBoss
3 12 (25.00%) Elasticsearch
4 11 (22.92%) Tomcat
5 10 (20.83%) IIS
6 6 (12.50%) MQSeries
6 6 (12.50%) nginx
6 6 (12.50%) WebLogic
6 6 (12.50%) WebSphere
7 4 (8.33%) OpenStack
8 2 (4.17%) Apache Spark
8 2 (4.17%) Skype for Business
9 1 (2.08%) Confluence
Applications
1 1 (2.08%) MS Office
Cloud Services
1 23 (47.92%) Amazon AWS
2 9 (18.75%) SaaS
3 8 (16.67%) Amazon EC2
4 6 (12.50%) Microsoft Azure
4 6 (12.50%) PaaS
5 2 (4.17%) Amazon S3
5 2 (4.17%) Route 53
6 1 (2.08%) Office 365
6 1 (2.08%) OneDrive
Communications & Networking
1 10 (20.83%) TCP/IP
2 8 (16.67%) Firewall
3 6 (12.50%) LDAP
4 5 (10.42%) DNS
4 5 (10.42%) SAN
5 4 (8.33%) FTP
6 2 (4.17%) LAN
6 2 (4.17%) SSL
6 2 (4.17%) WAN
7 1 (2.08%) BGP
7 1 (2.08%) NAS
7 1 (2.08%) OSPF
7 1 (2.08%) Structured Cabling
Database & Business Intelligence
1 19 (39.58%) MySQL
2 14 (29.17%) Apache Cassandra
3 12 (25.00%) SQL Server
4 10 (20.83%) Big Data
5 8 (16.67%) Hadoop
6 6 (12.50%) PostgreSQL
7 3 (6.25%) MongoDB
7 3 (6.25%) Neo4j
7 3 (6.25%) Pentaho
8 2 (4.17%) DB2
8 2 (4.17%) MariaDB
9 1 (2.08%) Oracle Database
Development Applications
1 16 (33.33%) Jenkins
2 3 (6.25%) Atlassian Bamboo
2 3 (6.25%) JIRA
2 3 (6.25%) Talend Open Studio
3 2 (4.17%) Git (software)
3 2 (4.17%) Subversion
General
1 8 (16.67%) Banking
2 6 (12.50%) Finance
Job Titles
1 14 (29.17%) DevOps Engineer
2 11 (22.92%) Principal Engineer
3 8 (16.67%) Applications Support
4 7 (14.58%) Administrator
4 7 (14.58%) Linux Administrator
5 6 (12.50%) Infrastructure Engineer
5 6 (12.50%) Linux Support
5 6 (12.50%) Linux Systems Administrator
5 6 (12.50%) Systems Administrator
6 5 (10.42%) Linux Engineer
7 3 (6.25%) Developer
7 3 (6.25%) Support Engineer
8 2 (4.17%) Senior Linux Administrator
8 2 (4.17%) Senior Linux Engineer
8 2 (4.17%) Senior Linux Systems Administrator
8 2 (4.17%) Senior Unix Administrator
8 2 (4.17%) Senior Unix Systems Administrator
8 2 (4.17%) Software Developer
8 2 (4.17%) Systems Engineer
8 2 (4.17%) Technical Support
Libraries, Frameworks & Software Standards
1 16 (33.33%) Web Services
2 12 (25.00%) Sensu
3 9 (18.75%) Middleware
4 8 (16.67%) ELK Stack
4 8 (16.67%) LAMP
5 6 (12.50%) WebSphere MQ
6 5 (10.42%) AngularJS
6 5 (10.42%) RESTful
7 3 (6.25%) ActiveMQ
7 3 (6.25%) Apache Camel
7 3 (6.25%) Apache CXF
7 3 (6.25%) D3.js
7 3 (6.25%) Drools
7 3 (6.25%) jBPM
7 3 (6.25%) Node.js
7 3 (6.25%) Spring
8 2 (4.17%) CSS
8 2 (4.17%) HTML
8 2 (4.17%) J2EE
8 2 (4.17%) jQuery
Miscellaneous
1 3 (6.25%) Visualisation
2 2 (4.17%) Analytical Skills
2 2 (4.17%) Cyber Attack
3 1 (2.08%) Data Centre
3 1 (2.08%) Wiki
Operating Systems
1 48 (100.00%) Linux
2 28 (58.33%) Red Hat Enterprise Linux
3 21 (43.75%) Debian
4 17 (35.42%) Ubuntu
4 17 (35.42%) Windows
5 14 (29.17%) Windows Server
6 13 (27.08%) Unix
7 8 (16.67%) Windows Server 2012
8 7 (14.58%) Solaris
9 6 (12.50%) Windows Server 2008
10 2 (4.17%) AIX
10 2 (4.17%) HPUX
10 2 (4.17%) SUSE
11 1 (2.08%) Windows 10
11 1 (2.08%) Windows 7
11 1 (2.08%) Windows 8
Processes & Methodologies
1 17 (35.42%) DevOps
2 13 (27.08%) Patch Management
3 12 (25.00%) Root Cause Analysis
4 11 (22.92%) Agile Software Development
5 9 (18.75%) Open Source
5 9 (18.75%) SOA
6 6 (12.50%) Mentoring
6 6 (12.50%) Migration
6 6 (12.50%) Scrum
7 5 (10.42%) Configuration Management
7 5 (10.42%) Information Governance
8 4 (8.33%) Analytics
8 4 (8.33%) Load Balancing
9 3 (6.25%) BDD
9 3 (6.25%) Big Data Analytics
9 3 (6.25%) Continuous Integration
9 3 (6.25%) Data Analytics
9 3 (6.25%) Data Protection
9 3 (6.25%) Data Visualisation
9 3 (6.25%) TDD
Programming Languages
1 20 (41.67%) Python
2 17 (35.42%) Bash Shell
3 15 (31.25%) Java
4 14 (29.17%) Perl
5 10 (20.83%) Shell Script
6 7 (14.58%) JavaScript
6 7 (14.58%) SQL
7 6 (12.50%) Tcl
8 5 (10.42%) Ruby
9 3 (6.25%) Jython
9 3 (6.25%) PHP
10 2 (4.17%) C
Qualifications
1 2 (4.17%) AWS Certification
1 2 (4.17%) Cisco Certification
1 2 (4.17%) MCSE
1 2 (4.17%) Microsoft Certification
2 1 (2.08%) SC Cleared
2 1 (2.08%) Security Cleared
System Software
1 8 (16.67%) Docker
2 3 (6.25%) VMware Infrastructure
3 2 (4.17%) Btrfs
3 2 (4.17%) Postfix
4 1 (2.08%) Active Directory
4 1 (2.08%) Firmware
4 1 (2.08%) qmail
4 1 (2.08%) Squid
4 1 (2.08%) Virtual Machines
4 1 (2.08%) VirtualBox
4 1 (2.08%) XenServer
Systems Management
1 16 (33.33%) Puppet
2 14 (29.17%) Terraform
3 13 (27.08%) Ansible
4 12 (25.00%) Graphite
5 8 (16.67%) logstash
5 8 (16.67%) Opscode Chef
6 7 (14.58%) ZABBIX
7 5 (10.42%) Kibana
7 5 (10.42%) Kubernetes
7 5 (10.42%) Nagios
8 2 (4.17%) Icinga
8 2 (4.17%) Oracle ZFS
9 1 (2.08%) Backup Exec
9 1 (2.08%) Legato
9 1 (2.08%) NetBackup
9 1 (2.08%) Oracle RMAN
Vendors
1 23 (47.92%) Red Hat
2 9 (18.75%) VMware
3 8 (16.67%) Oracle
4 6 (12.50%) Cisco
4 6 (12.50%) HP
5 5 (10.42%) Microsoft
6 4 (8.33%) 3PAR
7 3 (6.25%) Atlassian
7 3 (6.25%) F5
7 3 (6.25%) Talend
8 2 (4.17%) EMC
8 2 (4.17%) NetApp
8 2 (4.17%) ServiceNow
8 2 (4.17%) Sybase
8 2 (4.17%) Veeam
8 2 (4.17%) Veritas
9 1 (2.08%) Apple
9 1 (2.08%) arcserve
9 1 (2.08%) Citrix
9 1 (2.08%) CommVault
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