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 31 July 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
31 Jul 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 69 127 124
Rank change year-on-year
+58 -3
Permanent jobs citing CentOS 69 16 15
As % of all permanent IT jobs located in Reading 3.11% 0.67% 0.66%
As % of the Operating Systems category 11.24% 2.23% 2.18%
Number of salaries quoted 49 15 11
Average salary £42,500 £42,750 £23,000
Average salary % change year-on-year
-0.58% +85.86%
90% offered a salary of more than £23,000 £22,000 £21,000
10% offered a salary of more than £56,000 £44,600 £42,501
UK excluding London average salary £42,500 £40,000 £37,500
% change year-on-year
+6.25% +6.66%
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
614 719 689
As % of all permanent IT jobs located in Reading 27.71% 30.30% 30.18%
Number of salaries quoted 469 511 583
Average salary £37,500 £39,000 £38,000
Average salary % change year-on-year
-3.84% +2.63%
90% offered a salary of more than £22,500 £26,000 £22,500
10% offered a salary of more than £60,000 £60,000 £60,000
UK excluding London average salary £37,500 £36,500 £37,500
% change year-on-year
+2.73% -2.66%

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 31 July 2015.

CentOS Salary Histogram in Reading

CentOS
Top 30 Related IT Skills in Reading

For the 6 months to 31 July 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.

1 101 (100.00%) Linux
2 81 (80.20%) Red Hat
3 70 (69.31%) Windows
4 62 (61.39%) Red Hat Enterprise Linux
5 57 (56.44%) TCP/IP
6 50 (49.50%) Puppet
7 48 (47.52%) MySQL
8 45 (44.55%) Python
9 43 (42.57%) Apache
10 32 (31.68%) DevOps
11 31 (30.69%) VMware
12 30 (29.70%) Ubuntu
13 29 (28.71%) Windows 7
14 28 (27.72%) Debian
15 27 (26.73%) Degree
16 26 (25.74%) Agile Software Development
17 23 (22.77%) Cisco
17 23 (22.77%) PHP
17 23 (22.77%) LAMP
17 23 (22.77%) Firewall
18 22 (21.78%) Perl
19 21 (20.79%) SQL
19 21 (20.79%) Oracle
19 21 (20.79%) Java
19 21 (20.79%) VMware Infrastructure
19 21 (20.79%) OpenStack
20 20 (19.80%) NoSQL
20 20 (19.80%) Shell Script
21 19 (18.81%) ZABBIX
22 17 (16.83%) Continuous Integration

CentOS
Top Related IT Skills in Reading by Category

For the 6 months to 31 July 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 43 (42.57%) Apache
2 21 (20.79%) OpenStack
3 17 (16.83%) Tomcat
4 14 (13.86%) JBoss
5 11 (10.89%) IIS
6 7 (6.93%) Lync
7 6 (5.94%) WebLogic
7 6 (5.94%) nginx
8 4 (3.96%) Elasticsearch
9 3 (2.97%) Drupal
Applications
1 11 (10.89%) MS Excel
Cloud Services
1 12 (11.88%) Taleo
1 12 (11.88%) Responsys
2 11 (10.89%) Amazon AWS
3 8 (7.92%) Office 365
Communications & Networking
1 57 (56.44%) TCP/IP
2 23 (22.77%) Firewall
3 14 (13.86%) SAN
4 11 (10.89%) Cisco ASA
4 11 (10.89%) NetScreen
5 7 (6.93%) SSL
6 5 (4.95%) DNS
6 5 (4.95%) OSPF
6 5 (4.95%) BGP
7 4 (3.96%) LDAP
7 4 (3.96%) SMTP
7 4 (3.96%) HTTP
8 3 (2.97%) LAN
8 3 (2.97%) WAN
8 3 (2.97%) VPN
8 3 (2.97%) Internet
8 3 (2.97%) MPLS
8 3 (2.97%) IPsec
9 2 (1.98%) Structured Cabling
Database & Business Intelligence
1 48 (47.52%) MySQL
2 20 (19.80%) NoSQL
3 15 (14.85%) Couchbase
4 12 (11.88%) Oracle Reports
4 12 (11.88%) Hadoop
5 11 (10.89%) SQL Server
6 8 (7.92%) Oracle Database
7 4 (3.96%) Big Data
7 4 (3.96%) Apache Cassandra
8 1 (0.99%) DB2
8 1 (0.99%) MongoDB
Development Applications
1 16 (15.84%) Jenkins
2 13 (12.87%) Git (software)
3 8 (7.92%) Selenium
3 8 (7.92%) Hudson
4 1 (0.99%) PHPUnit
General
1 1 (0.99%) Finance
Job Titles
1 39 (38.61%) Support Engineer
2 27 (26.73%) IT Support Engineer
2 27 (26.73%) IT Support
3 26 (25.74%) Systems Administrator
4 21 (20.79%) Administrator
5 18 (17.82%) Linux Administrator
6 17 (16.83%) Linux Systems Administrator
7 15 (14.85%) DevOps Engineer
8 10 (9.90%) Linux DevOps Engineer
9 5 (4.95%) 2nd Line Support Engineer
9 5 (4.95%) Linux Engineer
9 5 (4.95%) 2nd Line Support
9 5 (4.95%) Developer
9 5 (4.95%) Systems Engineer
10 4 (3.96%) Python Developer
10 4 (3.96%) Senior Support Engineer
10 4 (3.96%) Senior IT Support
11 3 (2.97%) Provisioning Engineer
11 3 (2.97%) Senior Systems Engineer
11 3 (2.97%) Network Engineer
Libraries, Frameworks & Software Standards
1 23 (22.77%) LAMP
2 15 (14.85%) ActiveMQ
3 7 (6.93%) CGI
4 5 (4.95%) Web Services
5 4 (3.96%) RESTful
6 1 (0.99%) Alternative PHP Cache
Miscellaneous
1 12 (11.88%) Statistics
1 12 (11.88%) Computer Science
1 12 (11.88%) Analytical Skills
2 7 (6.93%) Management Information System
3 4 (3.96%) Data Centre
4 1 (0.99%) Clustering
Operating Systems
1 101 (100.00%) Linux
2 70 (69.31%) Windows
3 62 (61.39%) Red Hat Enterprise Linux
4 30 (29.70%) Ubuntu
5 29 (28.71%) Windows 7
6 28 (27.72%) Debian
7 12 (11.88%) Oracle Linux
8 10 (9.90%) UNIX
9 9 (8.91%) SUSE
10 1 (0.99%) AIX
10 1 (0.99%) HPUX
Processes & Methodologies
1 32 (31.68%) DevOps
2 26 (25.74%) Agile Software Development
3 17 (16.83%) Continuous Integration
3 17 (16.83%) Open Source
4 15 (14.85%) User Stories
5 11 (10.89%) Load Balancing
5 11 (10.89%) Configuration Management
6 8 (7.92%) Continuous Improvement
7 5 (4.95%) Line Management
7 5 (4.95%) Scrum
7 5 (4.95%) Performance Management
8 4 (3.96%) Kanban
8 4 (3.96%) Information Governance
9 3 (2.97%) Migration
10 2 (1.98%) Information Management
10 2 (1.98%) Information Security
10 2 (1.98%) Root Cause Analysis
10 2 (1.98%) Software Deployment
10 2 (1.98%) Server Building
11 1 (0.99%) TDD
Programming Languages
1 45 (44.55%) Python
2 23 (22.77%) PHP
3 22 (21.78%) Perl
4 21 (20.79%) SQL
4 21 (20.79%) Java
5 20 (19.80%) Shell Script
6 14 (13.86%) Bash Shell
7 6 (5.94%) C
8 5 (4.95%) C++
9 4 (3.96%) JavaScript
10 3 (2.97%) AWK
10 3 (2.97%) Ruby
Qualifications
1 27 (26.73%) Degree
2 5 (4.95%) Security Cleared
2 5 (4.95%) MySQL Certification
2 5 (4.95%) IC3 Certification
3 3 (2.97%) CCIE
3 3 (2.97%) Cisco Certification
3 3 (2.97%) JNCIP
4 1 (0.99%) RHCE
4 1 (0.99%) RHCSA
System Software
1 21 (20.79%) VMware Infrastructure
2 11 (10.89%) Hyper-V
2 11 (10.89%) Active Directory
3 7 (6.93%) VMware ESX
3 7 (6.93%) VirtualBox
4 6 (5.94%) Squid
4 6 (5.94%) qmail
5 5 (4.95%) KVM
6 3 (2.97%) iptables
6 3 (2.97%) VMware ESXi
6 3 (2.97%) Samba
Systems Management
1 50 (49.50%) Puppet
2 19 (18.81%) ZABBIX
3 12 (11.88%) Graphite
4 8 (7.92%) Nagios
5 7 (6.93%) Vagrant
6 4 (3.96%) Opscode Chef
6 4 (3.96%) Rundeck
7 1 (0.99%) Ansible
Vendors
1 81 (80.20%) Red Hat
2 31 (30.69%) VMware
3 23 (22.77%) Cisco
4 21 (20.79%) Oracle
5 15 (14.85%) Atlassian
5 15 (14.85%) Splunk
6 14 (13.86%) Juniper
7 12 (11.88%) Sun
7 12 (11.88%) HP
7 12 (11.88%) Eloqua
8 11 (10.89%) Microsoft
9 6 (5.94%) F5
10 5 (4.95%) Websense
11 1 (0.99%) Symantec
11 1 (0.99%) EMC
11 1 (0.99%) Sybase
11 1 (0.99%) IBM
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