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 7 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
7 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 98 99 137
Rank change year-on-year
+1 +38
Permanent jobs citing CentOS 24 53 14
As % of all permanent IT jobs located in Reading 1.47% 2.15% 0.53%
As % of the Operating Systems category 4.79% 7.19% 1.90%
Number of salaries quoted 22 49 11
Median salary £45,250 £24,000 £22,000
Median salary % change year-on-year
+88.54% +9.09%
UK excluding London median salary £45,000 £45,000 £38,500
% change year-on-year
- +16.88%
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
501 737 737
As % of all permanent IT jobs located in Reading 30.66% 29.92% 28.16%
Number of salaries quoted 393 660 479
Median salary £45,000 £40,000 £35,000
Median salary % change year-on-year
+12.50% +14.28%
90% offered a salary of more than £24,000 £23,500 £22,500
10% offered a salary of more than £68,000 £55,000 £60,000
UK excluding London median salary £37,500 £37,500 £37,500

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 7 December 2016.

CentOS Salary Histogram in Reading

CentOS
Top 30 Related IT Skills in Reading

For the 6 months to 7 December 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 44 (100.00%) Linux
2 29 (65.91%) Python
3 26 (59.09%) Bash Shell
4 22 (50.00%) Red Hat Enterprise Linux
4 22 (50.00%) Java
5 19 (43.18%) MySQL
5 19 (43.18%) Windows
6 18 (40.91%) Shell Script
7 17 (38.64%) Red Hat
7 17 (38.64%) Apache
8 16 (36.36%) Perl
9 15 (34.09%) Unix
9 15 (34.09%) TCP/IP
9 15 (34.09%) Debian
10 14 (31.82%) Ubuntu
10 14 (31.82%) Middleware
11 13 (29.55%) Oracle
11 13 (29.55%) Tomcat
11 13 (29.55%) Amazon AWS
11 13 (29.55%) Open Source
11 13 (29.55%) Puppet
12 12 (27.27%) Git (software)
12 12 (27.27%) SQL
12 12 (27.27%) LAMP
12 12 (27.27%) Finance
13 11 (25.00%) WebSphere
13 11 (25.00%) JBoss
13 11 (25.00%) Mentoring
14 10 (22.73%) Amazon EC2
14 10 (22.73%) SaaS

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 17 (38.64%) Apache
2 13 (29.55%) Tomcat
3 11 (25.00%) JBoss
3 11 (25.00%) WebSphere
4 8 (18.18%) IIS
4 8 (18.18%) MQSeries
4 8 (18.18%) WebLogic
5 5 (11.36%) Oracle SOA Suite
6 3 (6.82%) Elasticsearch
7 2 (4.55%) MS Exchange
8 1 (2.27%) Confluence
8 1 (2.27%) Exchange Server 2010
Applications
1 2 (4.55%) MS Office
Cloud Services
1 13 (29.55%) Amazon AWS
2 10 (22.73%) Amazon EC2
2 10 (22.73%) SaaS
3 5 (11.36%) PaaS
4 2 (4.55%) Amazon S3
4 2 (4.55%) Microsoft Azure
4 2 (4.55%) Route 53
5 1 (2.27%) Office 365
5 1 (2.27%) OneDrive
5 1 (2.27%) Oracle CX
Communications & Networking
1 15 (34.09%) TCP/IP
2 8 (18.18%) LDAP
3 5 (11.36%) DNS
4 4 (9.09%) SSL
5 3 (6.82%) CTI
5 3 (6.82%) DHCP
5 3 (6.82%) Firewall
5 3 (6.82%) SSH
6 2 (4.55%) HTTP
6 2 (4.55%) ICMP
7 1 (2.27%) BGP
7 1 (2.27%) LAN
7 1 (2.27%) OSPF
7 1 (2.27%) PBX
7 1 (2.27%) SAN
7 1 (2.27%) SMTP
7 1 (2.27%) VoIP
7 1 (2.27%) VPN
7 1 (2.27%) WAN
7 1 (2.27%) Wi-Fi
Database & Business Intelligence
1 19 (43.18%) MySQL
2 9 (20.45%) SQL Server
3 6 (13.64%) Hadoop
4 5 (11.36%) Big Data
5 3 (6.82%) Apache Cassandra
5 3 (6.82%) MongoDB
5 3 (6.82%) Neo4j
5 3 (6.82%) Pentaho
5 3 (6.82%) PostgreSQL
6 2 (4.55%) MariaDB
7 1 (2.27%) DB2
Development Applications
1 12 (27.27%) Git (software)
2 6 (13.64%) Subversion
3 5 (11.36%) JIRA
4 4 (9.09%) Jenkins
5 3 (6.82%) Talend Open Studio
6 1 (2.27%) Bugzilla
6 1 (2.27%) Trac
General
1 12 (27.27%) Finance
2 8 (18.18%) Banking
3 4 (9.09%) Electronics
4 3 (6.82%) Marketing
5 2 (4.55%) Advertising
Job Titles
1 11 (25.00%) Support Engineer
2 10 (22.73%) Applications Support
3 9 (20.45%) Linux Support
4 8 (18.18%) Administrator
4 8 (18.18%) Linux Engineer
5 7 (15.91%) DevOps Engineer
5 7 (15.91%) Systems Administrator
6 5 (11.36%) Applications Engineer
6 5 (11.36%) Applications Support Engineer
6 5 (11.36%) Developer
7 4 (9.09%) IT Manager
7 4 (9.09%) Linux Support Engineer
8 3 (6.82%) AWS DevOps
8 3 (6.82%) AWS Engineer
8 3 (6.82%) Linux DevOps Engineer
8 3 (6.82%) Linux/Unix DevOps
8 3 (6.82%) Middleware Engineer
8 3 (6.82%) Open Source Developer
8 3 (6.82%) Principal Engineer
8 3 (6.82%) Senior Middleware Engineer
Libraries, Frameworks & Software Standards
1 14 (31.82%) Middleware
2 12 (27.27%) LAMP
3 10 (22.73%) Web Services
4 8 (18.18%) WebSphere MQ
5 5 (11.36%) AngularJS
6 3 (6.82%) ActiveMQ
6 3 (6.82%) Apache Camel
6 3 (6.82%) Apache CXF
6 3 (6.82%) D3.js
6 3 (6.82%) Drools
6 3 (6.82%) ELK Stack
6 3 (6.82%) jBPM
6 3 (6.82%) Node.js
6 3 (6.82%) Sensu
6 3 (6.82%) Spring
7 2 (4.55%) J2EE
7 2 (4.55%) jQuery
8 1 (2.27%) Spring Security
Miscellaneous
1 4 (9.09%) Data Centre
1 4 (9.09%) Fintech
2 2 (4.55%) Analytical Skills
2 2 (4.55%) Computer Science
3 1 (2.27%) Biology
3 1 (2.27%) Chemistry
3 1 (2.27%) Physics
3 1 (2.27%) Wiki
Operating Systems
1 44 (100.00%) Linux
2 22 (50.00%) Red Hat Enterprise Linux
3 19 (43.18%) Windows
4 15 (34.09%) Debian
4 15 (34.09%) Unix
5 14 (31.82%) Ubuntu
6 7 (15.91%) Windows Server
7 5 (11.36%) Windows 8
8 3 (6.82%) Windows Server 2012
9 1 (2.27%) AIX
9 1 (2.27%) HPUX
9 1 (2.27%) Mac OS X
9 1 (2.27%) Oracle Linux
9 1 (2.27%) Solaris
9 1 (2.27%) Windows 10
9 1 (2.27%) Windows 7
9 1 (2.27%) Windows Server 2008
Processes & Methodologies
1 13 (29.55%) Open Source
2 11 (25.00%) Mentoring
3 9 (20.45%) DevOps
4 8 (18.18%) SOA
5 6 (13.64%) Configuration Management
6 5 (11.36%) Open Source Development
6 5 (11.36%) Patch Management
7 4 (9.09%) Agile Software Development
7 4 (9.09%) Continuous Integration
8 3 (6.82%) Analytics
8 3 (6.82%) API Integration
8 3 (6.82%) BDD
8 3 (6.82%) Big Data Analytics
8 3 (6.82%) Bioinformatics
8 3 (6.82%) Microservices
8 3 (6.82%) Migration
8 3 (6.82%) Online Marketing
8 3 (6.82%) Root Cause Analysis
8 3 (6.82%) Scrum
8 3 (6.82%) TDD
Programming Languages
1 29 (65.91%) Python
2 26 (59.09%) Bash Shell
3 22 (50.00%) Java
4 18 (40.91%) Shell Script
5 16 (36.36%) Perl
6 12 (27.27%) SQL
7 8 (18.18%) Tcl
8 4 (9.09%) Groovy
8 4 (9.09%) JavaScript
8 4 (9.09%) PHP
9 3 (6.82%) Jython
9 3 (6.82%) PL/SQL
Qualifications
1 5 (11.36%) Degree
2 3 (6.82%) AWS Certification
2 3 (6.82%) SC Cleared
2 3 (6.82%) Security Cleared
3 1 (2.27%) HND
System Software
1 5 (11.36%) XenServer
2 3 (6.82%) Active Directory
3 2 (4.55%) Btrfs
3 2 (4.55%) Hyper-V
3 2 (4.55%) KVM
4 1 (2.27%) Firmware
4 1 (2.27%) Virtual Machines
4 1 (2.27%) VirtualBox
4 1 (2.27%) VMware Infrastructure
4 1 (2.27%) vSphere
Systems Management
1 13 (29.55%) Puppet
2 9 (20.45%) Opscode Chef
3 8 (18.18%) Ansible
4 6 (13.64%) Terraform
5 4 (9.09%) Graphite
6 3 (6.82%) Salt
7 2 (4.55%) Icinga
7 2 (4.55%) Oracle ZFS
7 2 (4.55%) SELinux
7 2 (4.55%) ZABBIX
8 1 (2.27%) Backup Exec
8 1 (2.27%) EMC NetWorker
8 1 (2.27%) HP Data Protector
8 1 (2.27%) Legato
8 1 (2.27%) NetBackup
Vendors
1 17 (38.64%) Red Hat
2 13 (29.55%) Oracle
3 3 (6.82%) Atlassian
3 3 (6.82%) ServiceNow
3 3 (6.82%) Talend
4 2 (4.55%) Microsoft
5 1 (2.27%) Apple
5 1 (2.27%) Cisco
5 1 (2.27%) Citrix
5 1 (2.27%) CommVault
5 1 (2.27%) EMC
5 1 (2.27%) HP
5 1 (2.27%) IBM
5 1 (2.27%) NetApp
5 1 (2.27%) Sun
5 1 (2.27%) Sybase
5 1 (2.27%) Veeam
5 1 (2.27%) Veritas
5 1 (2.27%) VMware
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