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 29 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 109 75 131
Rank change year-on-year
-34 +56
Permanent jobs citing CentOS 27 67 15
As % of all permanent IT jobs located in Reading 1.51% 3.00% 0.64%
As % of the Operating Systems category 4.40% 11.02% 2.07%
Number of salaries quoted 26 48 15
Median salary £60,000 £42,500 £42,750
Median salary % change year-on-year
+41.17% -0.58%
90% offered a salary of more than £46,250 £23,000 £22,000
10% offered a salary of more than £67,500 £56,500 £44,600
UK excluding London median salary £47,500 £42,500 £40,000
% change year-on-year
+11.76% +6.25%
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
613 608 724
As % of all permanent IT jobs located in Reading 34.26% 27.26% 30.72%
Number of salaries quoted 516 463 517
Median salary £50,000 £37,500 £38,500
Median salary % change year-on-year
+33.33% -2.59%
90% offered a salary of more than £35,000 £22,500 £26,500
10% offered a salary of more than £70,000 £60,000 £60,000
UK excluding London median salary £38,500 £37,500 £36,000
% change year-on-year
+2.66% +4.16%

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 29 July 2016.

CentOS Salary Histogram in Reading

CentOS
Top 30 Related IT Skills in Reading

For the 6 months to 29 July 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 47 (100.00%) Linux
2 26 (55.32%) Red Hat Enterprise Linux
2 26 (55.32%) Amazon AWS
3 24 (51.06%) Red Hat
4 21 (44.68%) MySQL
4 21 (44.68%) Debian
4 21 (44.68%) Jenkins
5 19 (40.43%) Python
6 18 (38.30%) Ubuntu
6 18 (38.30%) DevOps
7 17 (36.17%) Bash Shell
7 17 (36.17%) Apache
7 17 (36.17%) Web Services
8 16 (34.04%) Apache Cassandra
9 15 (31.91%) Ansible
9 15 (31.91%) Perl
10 14 (29.79%) JBoss
10 14 (29.79%) Puppet
11 13 (27.66%) Patch Management
11 13 (27.66%) Windows
11 13 (27.66%) TCP/IP
12 12 (25.53%) Java
12 12 (25.53%) SQL Server
12 12 (25.53%) Agile Software Development
12 12 (25.53%) Graphite
12 12 (25.53%) Sensu
12 12 (25.53%) Elasticsearch
12 12 (25.53%) Root Cause Analysis
12 12 (25.53%) Terraform
12 12 (25.53%) Windows Server

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 (36.17%) Apache
2 14 (29.79%) JBoss
3 12 (25.53%) Elasticsearch
4 10 (21.28%) IIS
5 9 (19.15%) nginx
5 9 (19.15%) Tomcat
6 7 (14.89%) OpenStack
7 6 (12.77%) MQSeries
7 6 (12.77%) WebLogic
7 6 (12.77%) WebSphere
8 4 (8.51%) Apache Spark
9 2 (4.26%) Skype for Business
10 1 (2.13%) Confluence
Applications
1 1 (2.13%) MS Office
Cloud Services
1 26 (55.32%) Amazon AWS
2 9 (19.15%) Microsoft Azure
3 8 (17.02%) Amazon EC2
4 7 (14.89%) SaaS
5 6 (12.77%) PaaS
6 2 (4.26%) Amazon S3
6 2 (4.26%) Route 53
7 1 (2.13%) Office 365
7 1 (2.13%) OneDrive
Communications & Networking
1 13 (27.66%) TCP/IP
2 11 (23.40%) Firewall
3 6 (12.77%) DNS
3 6 (12.77%) LDAP
4 5 (10.64%) SAN
5 4 (8.51%) FTP
5 4 (8.51%) SSL
6 2 (4.26%) LAN
6 2 (4.26%) WAN
7 1 (2.13%) BGP
7 1 (2.13%) NAS
7 1 (2.13%) OSPF
7 1 (2.13%) Structured Cabling
Database & Business Intelligence
1 21 (44.68%) MySQL
2 16 (34.04%) Apache Cassandra
3 12 (25.53%) SQL Server
4 11 (23.40%) Hadoop
5 10 (21.28%) Big Data
6 7 (14.89%) PostgreSQL
7 2 (4.26%) DB2
7 2 (4.26%) MariaDB
8 1 (2.13%) MongoDB
8 1 (2.13%) Neo4j
8 1 (2.13%) Oracle Database
8 1 (2.13%) Pentaho
Development Applications
1 21 (44.68%) Jenkins
2 6 (12.77%) Atlassian Bamboo
3 4 (8.51%) Git (software)
4 3 (6.38%) Subversion
5 1 (2.13%) JIRA
5 1 (2.13%) Talend Open Studio
General
1 6 (12.77%) Banking
1 6 (12.77%) Finance
Job Titles
1 12 (25.53%) DevOps Engineer
2 11 (23.40%) Principal Engineer
3 9 (19.15%) Administrator
3 9 (19.15%) Linux Administrator
4 7 (14.89%) Linux Systems Administrator
4 7 (14.89%) Systems Administrator
5 6 (12.77%) Applications Support
5 6 (12.77%) Infrastructure Engineer
5 6 (12.77%) Linux Support
6 4 (8.51%) AWS Administrator
7 3 (6.38%) Linux Engineer
7 3 (6.38%) Senior Linux Administrator
7 3 (6.38%) Senior Linux Systems Administrator
7 3 (6.38%) Senior Systems Administrator
8 2 (4.26%) Senior Infrastructure Engineer
8 2 (4.26%) Senior Linux Engineer
8 2 (4.26%) Senior Unix Administrator
8 2 (4.26%) Solaris Systems Administrator
8 2 (4.26%) Unix Administrator
8 2 (4.26%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 17 (36.17%) Web Services
2 12 (25.53%) Sensu
3 10 (21.28%) LAMP
4 7 (14.89%) Middleware
5 6 (12.77%) ELK Stack
5 6 (12.77%) WebSphere MQ
6 5 (10.64%) RESTful
7 4 (8.51%) CSS
7 4 (8.51%) HTML
8 1 (2.13%) ActiveMQ
8 1 (2.13%) AngularJS
8 1 (2.13%) Apache Camel
8 1 (2.13%) Apache CXF
8 1 (2.13%) D3.js
8 1 (2.13%) Drools
8 1 (2.13%) jBPM
8 1 (2.13%) Node.js
8 1 (2.13%) Spring
8 1 (2.13%) Spring Security
Miscellaneous
1 6 (12.77%) Visualisation
2 3 (6.38%) Analytical Skills
3 2 (4.26%) Cyber Attack
4 1 (2.13%) Data Centre
4 1 (2.13%) Wiki
Operating Systems
1 47 (100.00%) Linux
2 26 (55.32%) Red Hat Enterprise Linux
3 21 (44.68%) Debian
4 18 (38.30%) Ubuntu
5 13 (27.66%) Windows
6 12 (25.53%) Windows Server
7 11 (23.40%) Unix
8 7 (14.89%) Solaris
9 6 (12.77%) Windows Server 2008
9 6 (12.77%) Windows Server 2012
10 2 (4.26%) AIX
10 2 (4.26%) HPUX
10 2 (4.26%) SUSE
11 1 (2.13%) Windows 10
11 1 (2.13%) Windows 7
11 1 (2.13%) Windows 8
Processes & Methodologies
1 18 (38.30%) DevOps
2 13 (27.66%) Patch Management
3 12 (25.53%) Agile Software Development
3 12 (25.53%) Root Cause Analysis
4 7 (14.89%) Open Source
4 7 (14.89%) Scrum
4 7 (14.89%) SOA
5 6 (12.77%) Customer Engagement
5 6 (12.77%) Data Protection
5 6 (12.77%) Data Visualisation
5 6 (12.77%) Mentoring
6 5 (10.64%) Configuration Management
6 5 (10.64%) Information Governance
7 4 (8.51%) High Availability
7 4 (8.51%) Load Balancing
7 4 (8.51%) Migration
8 2 (4.26%) Analytics
8 2 (4.26%) Data Management
8 2 (4.26%) Knowledge Management
9 1 (2.13%) Cybersecurity
Programming Languages
1 19 (40.43%) Python
2 17 (36.17%) Bash Shell
3 15 (31.91%) Perl
4 12 (25.53%) Java
5 10 (21.28%) Ruby
6 9 (19.15%) SQL
7 8 (17.02%) Shell Script
8 6 (12.77%) Tcl
9 5 (10.64%) JavaScript
9 5 (10.64%) PHP
10 4 (8.51%) C
11 1 (2.13%) Jython
Qualifications
1 2 (4.26%) Cisco Certification
1 2 (4.26%) MCSE
1 2 (4.26%) Microsoft Certification
2 1 (2.13%) SC Cleared
2 1 (2.13%) Security Cleared
System Software
1 11 (23.40%) Docker
2 3 (6.38%) VMware Infrastructure
3 2 (4.26%) Btrfs
3 2 (4.26%) Postfix
4 1 (2.13%) Active Directory
4 1 (2.13%) Firmware
4 1 (2.13%) qmail
4 1 (2.13%) Squid
4 1 (2.13%) Virtual Machines
4 1 (2.13%) VirtualBox
4 1 (2.13%) XenServer
Systems Management
1 15 (31.91%) Ansible
2 14 (29.79%) Puppet
3 12 (25.53%) Graphite
3 12 (25.53%) Terraform
4 11 (23.40%) Opscode Chef
5 9 (19.15%) ZABBIX
6 8 (17.02%) logstash
7 7 (14.89%) Nagios
8 5 (10.64%) Kibana
8 5 (10.64%) Kubernetes
9 2 (4.26%) Icinga
9 2 (4.26%) Oracle ZFS
10 1 (2.13%) Backup Exec
10 1 (2.13%) Legato
10 1 (2.13%) NetBackup
10 1 (2.13%) Oracle RMAN
Vendors
1 24 (51.06%) Red Hat
2 9 (19.15%) VMware
3 8 (17.02%) Oracle
4 6 (12.77%) Cisco
4 6 (12.77%) F5
4 6 (12.77%) HP
5 5 (10.64%) Microsoft
6 4 (8.51%) 3PAR
7 2 (4.26%) EMC
7 2 (4.26%) NetApp
7 2 (4.26%) Sybase
7 2 (4.26%) Veeam
7 2 (4.26%) Veritas
8 1 (2.13%) Apple
8 1 (2.13%) arcserve
8 1 (2.13%) Atlassian
8 1 (2.13%) Citrix
8 1 (2.13%) CommVault
8 1 (2.13%) Talend
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