The table below looks at the statistics for CentOS skills in IT jobs advertised for the Reading region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 1 September 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Sep 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 77 123 127
Rank change year-on-year
+46 +4
Permanent jobs citing CentOS 67 18 9
As % of all permanent IT jobs located in Reading 3.00% 0.72% 0.40%
As % of the Operating Systems category 11.02% 2.51% 1.36%
Number of salaries quoted 52 16 5
Average salary £42,500 £37,625 £23,000
Average salary % change year-on-year
+12.95% +63.58%
90% offered a salary of more than £24,000 £22,000 £21,000
10% offered a salary of more than £52,500 £50,000 £56,000
UK excluding London average salary £42,500 £41,750 £38,500
% change year-on-year
+1.79% +8.44%
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
608 716 660
As % of all permanent IT jobs located in Reading 27.22% 28.46% 29.32%
Number of salaries quoted 491 525 542
Average salary £40,000 £37,500 £40,000
Average salary % change year-on-year
+6.66% -6.25%
90% offered a salary of more than £24,000 £25,000 £22,525
10% offered a salary of more than £60,000 £60,000 £61,500
UK excluding London average salary £37,500 £37,000 £37,500
% change year-on-year
+1.35% -1.33%

CentOS
Jobs Demand Trend in Reading

This chart provides a 3-month moving total of permanent IT jobs citing CentOS across the Reading region as a proportion of the total demand within 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 1 September 2015.

CentOS Salary Histogram in Reading

CentOS
Top 30 Related IT Skills in Reading

For the 6 months to 1 September 2015, IT jobs across the Reading region citing CentOS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited CentOS.

1 104 (100.00%) Linux
2 79 (75.96%) Red Hat
3 66 (63.46%) TCP/IP
3 66 (63.46%) Windows
4 57 (54.81%) Red Hat Enterprise Linux
5 55 (52.88%) Puppet
6 52 (50.00%) Python
7 40 (38.46%) MySQL
8 36 (34.62%) Apache
9 34 (32.69%) Ubuntu
9 34 (32.69%) DevOps
10 29 (27.88%) Degree
11 28 (26.92%) Perl
12 27 (25.96%) Agile Software Development
12 27 (25.96%) OpenStack
13 26 (25.00%) Debian
14 25 (24.04%) Windows 7
15 24 (23.08%) Java
16 23 (22.12%) VMware
17 22 (21.15%) ZABBIX
17 22 (21.15%) Oracle
18 21 (20.19%) Shell Script
18 21 (20.19%) NoSQL
19 19 (18.27%) Tomcat
20 18 (17.31%) Continuous Integration
20 18 (17.31%) Open Source
20 18 (17.31%) Bash Shell
21 17 (16.35%) Jenkins
21 17 (16.35%) Cisco
22 16 (15.38%) Active Directory

CentOS
Top Related IT Skills in Reading by Category

For the 6 months to 1 September 2015, IT jobs across the Reading region citing CentOS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 36 (34.62%) Apache
2 27 (25.96%) OpenStack
3 19 (18.27%) Tomcat
4 14 (13.46%) JBoss
5 7 (6.73%) Lync
6 6 (5.77%) nginx
6 6 (5.77%) WebLogic
7 4 (3.85%) Elasticsearch
8 3 (2.88%) Drupal
Applications
1 2 (1.92%) MS Excel
Cloud Services
1 16 (15.38%) Amazon AWS
2 13 (12.50%) Taleo
2 13 (12.50%) Responsys
3 7 (6.73%) Office 365
4 4 (3.85%) IaaS
4 4 (3.85%) Microsoft Azure
5 2 (1.92%) SaaS
Communications & Networking
1 66 (63.46%) TCP/IP
2 15 (14.42%) Firewall
3 9 (8.65%) OSPF
3 9 (8.65%) BGP
3 9 (8.65%) SSL
4 8 (7.69%) Internet
4 8 (7.69%) DNS
5 7 (6.73%) IPsec
5 7 (6.73%) MPLS
5 7 (6.73%) VPN
6 6 (5.77%) LDAP
7 5 (4.81%) LAN
7 5 (4.81%) WAN
7 5 (4.81%) SMTP
7 5 (4.81%) HTTP
8 3 (2.88%) SAN
9 2 (1.92%) Structured Cabling
Database & Business Intelligence
1 40 (38.46%) MySQL
2 21 (20.19%) NoSQL
3 16 (15.38%) Couchbase
4 13 (12.50%) Hadoop
4 13 (12.50%) Oracle Reports
5 8 (7.69%) Oracle Database
6 4 (3.85%) Apache Cassandra
6 4 (3.85%) Big Data
7 1 (0.96%) MongoDB
7 1 (0.96%) PostgreSQL
7 1 (0.96%) DB2
Development Applications
1 17 (16.35%) Jenkins
2 14 (13.46%) Git (software)
3 8 (7.69%) Selenium
3 8 (7.69%) Hudson
4 4 (3.85%) Visual Studio
5 1 (0.96%) PHPUnit
General
1 1 (0.96%) Finance
1 1 (0.96%) Advertising
Job Titles
1 34 (32.69%) Support Engineer
2 27 (25.96%) Systems Administrator
3 22 (21.15%) Administrator
4 21 (20.19%) IT Support Engineer
4 21 (20.19%) IT Support
5 18 (17.31%) Linux Administrator
6 17 (16.35%) Linux Systems Administrator
7 16 (15.38%) DevOps Engineer
8 10 (9.62%) Linux DevOps Engineer
9 9 (8.65%) 2nd Line Support Engineer
9 9 (8.65%) 2nd Line Support
9 9 (8.65%) Systems Engineer
9 9 (8.65%) Developer
10 6 (5.77%) Senior Systems Engineer
10 6 (5.77%) Linux Engineer
11 5 (4.81%) Python Developer
12 4 (3.85%) Technical Support
13 3 (2.88%) Cloud Engineer
14 2 (1.92%) Senior DevOps Engineer
14 2 (1.92%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 16 (15.38%) ActiveMQ
2 13 (12.50%) LAMP
3 8 (7.69%) CGI
4 5 (4.81%) Web Services
5 4 (3.85%) RESTful
6 1 (0.96%) Alternative PHP Cache
Miscellaneous
1 14 (13.46%) Analytical Skills
2 13 (12.50%) Statistics
2 13 (12.50%) Computer Science
3 7 (6.73%) Management Information System
4 4 (3.85%) Private Cloud
4 4 (3.85%) Data Centre
5 1 (0.96%) Clustering
Operating Systems
1 104 (100.00%) Linux
2 66 (63.46%) Windows
3 57 (54.81%) Red Hat Enterprise Linux
4 34 (32.69%) Ubuntu
5 26 (25.00%) Debian
6 25 (24.04%) Windows 7
7 13 (12.50%) Oracle Linux
8 12 (11.54%) UNIX
9 11 (10.58%) SUSE
10 2 (1.92%) Solaris
11 1 (0.96%) AIX
11 1 (0.96%) HPUX
Processes & Methodologies
1 34 (32.69%) DevOps
2 27 (25.96%) Agile Software Development
3 18 (17.31%) Continuous Integration
3 18 (17.31%) Open Source
4 16 (15.38%) User Stories
5 14 (13.46%) Configuration Management
6 8 (7.69%) Continuous Improvement
7 5 (4.81%) Performance Management
7 5 (4.81%) Migration
7 5 (4.81%) Scrum
7 5 (4.81%) Line Management
8 4 (3.85%) Information Governance
8 4 (3.85%) Information Security
8 4 (3.85%) Kanban
9 2 (1.92%) Information Management
9 2 (1.92%) Root Cause Analysis
9 2 (1.92%) Software Deployment
9 2 (1.92%) Server Building
9 2 (1.92%) Cyber Security
10 1 (0.96%) Dependency Injection
Programming Languages
1 52 (50.00%) Python
2 28 (26.92%) Perl
3 24 (23.08%) Java
4 21 (20.19%) Shell Script
5 18 (17.31%) Bash Shell
6 13 (12.50%) PHP
7 11 (10.58%) SQL
8 6 (5.77%) C++
8 6 (5.77%) C
9 4 (3.85%) C#
9 4 (3.85%) JavaScript
9 4 (3.85%) PowerShell
10 3 (2.88%) AWK
10 3 (2.88%) Ruby
Qualifications
1 29 (27.88%) Degree
2 5 (4.81%) Security Cleared
2 5 (4.81%) MySQL Certification
2 5 (4.81%) IC3 Certification
2 5 (4.81%) CCIE
2 5 (4.81%) Cisco Certification
2 5 (4.81%) JNCIP
3 1 (0.96%) RHCE
3 1 (0.96%) RHCSA
System Software
1 16 (15.38%) Active Directory
2 13 (12.50%) VMware Infrastructure
3 8 (7.69%) VirtualBox
3 8 (7.69%) VMware ESX
4 6 (5.77%) Squid
4 6 (5.77%) qmail
5 5 (4.81%) KVM
5 5 (4.81%) iptables
6 4 (3.85%) Hyper-V
6 4 (3.85%) Xen
7 3 (2.88%) Samba
Systems Management
1 55 (52.88%) Puppet
2 22 (21.15%) ZABBIX
3 13 (12.50%) Graphite
4 11 (10.58%) Nagios
5 8 (7.69%) Vagrant
6 6 (5.77%) Opscode Chef
7 4 (3.85%) Rundeck
8 2 (1.92%) logstash
9 1 (0.96%) Ansible
Vendors
1 79 (75.96%) Red Hat
2 23 (22.12%) VMware
3 22 (21.15%) Oracle
4 17 (16.35%) Cisco
5 16 (15.38%) Atlassian
5 16 (15.38%) Splunk
6 13 (12.50%) Eloqua
6 13 (12.50%) Sun
7 9 (8.65%) Websense
8 7 (6.73%) Juniper
9 4 (3.85%) Rackspace
10 2 (1.92%) Sophos
10 2 (1.92%) Microsoft
10 2 (1.92%) Intel
11 1 (0.96%) HP
11 1 (0.96%) EMC
11 1 (0.96%) IBM
11 1 (0.96%) Sybase
11 1 (0.96%) Symantec
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