The table below looks at the statistics for CentOS skills in IT jobs advertised for the Berkshire 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 129 176 203
Rank change year-on-year
+47 +27
Permanent jobs citing CentOS 82 38 23
As % of all permanent IT jobs located in Berkshire 1.65% 0.68% 0.41%
As % of the Operating Systems category 6.62% 2.27% 1.50%
Number of salaries quoted 62 36 19
Average salary £42,500 £43,375 £34,500
Average salary % change year-on-year
-2.01% +25.72%
90% offered a salary of more than £25,000 £27,500 £21,000
10% offered a salary of more than £54,500 £57,500 £45,000
UK excluding London average salary £42,500 £40,000 £37,500
% change year-on-year
+6.25% +6.66%
CentOS
South East

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

Operating Systems Category
Berkshire
Permanent IT job ads with a match in the
Operating Systems category
1238 1672 1532
As % of all permanent IT jobs located in Berkshire 24.85% 29.81% 27.64%
Number of salaries quoted 977 1238 1280
Average salary £40,000 £39,000 £40,000
Average salary % change year-on-year
+2.56% -2.50%
90% offered a salary of more than £23,000 £25,000 £23,500
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 Berkshire

This chart provides a 3-month moving total of permanent IT jobs citing CentOS across the Berkshire region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in Berkshire

CentOS
Salary Trend in Berkshire

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

CentOS Salary Trend in Berkshire

CentOS
Salary Histogram in Berkshire

This chart provides a salary histogram for IT jobs citing CentOS across the Berkshire region over the 3 months to 31 July 2015.

CentOS Salary Histogram in Berkshire

CentOS
Job Locations in Berkshire

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the Berkshire region over the 3 months to 31 July 2015. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Reading +58 69 £42,500 -0.58% 7
Maidenhead +8 12 £42,500 -26.08%
Slough -8 7 £42,500 -5.55%
Newbury - 6 £42,500 -
Bracknell - 5 £42,500 -
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 31 July 2015, IT jobs across the Berkshire 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.

1 126 (100.00%) Linux
2 96 (76.19%) Red Hat
3 91 (72.22%) Windows
4 69 (54.76%) TCP/IP
5 65 (51.59%) Red Hat Enterprise Linux
6 55 (43.65%) Puppet
7 52 (41.27%) MySQL
8 48 (38.10%) Apache
9 46 (36.51%) Python
10 42 (33.33%) Ubuntu
11 37 (29.37%) DevOps
12 36 (28.57%) Degree
13 35 (27.78%) VMware
14 32 (25.40%) Debian
15 30 (23.81%) Java
16 29 (23.02%) Firewall
16 29 (23.02%) Windows 7
17 27 (21.43%) Agile Software Development
17 27 (21.43%) PHP
17 27 (21.43%) SQL
18 26 (20.63%) Perl
18 26 (20.63%) LAMP
18 26 (20.63%) NoSQL
19 25 (19.84%) VMware Infrastructure
20 24 (19.05%) Cisco
21 22 (17.46%) Oracle
21 22 (17.46%) ZABBIX
22 21 (16.67%) Continuous Integration
22 21 (16.67%) OpenStack
22 21 (16.67%) Shell Script

CentOS
Top Related IT Skills in Berkshire by Category

For the 6 months to 31 July 2015, IT jobs across the Berkshire 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 48 (38.10%) Apache
2 21 (16.67%) OpenStack
3 18 (14.29%) Tomcat
4 15 (11.90%) JBoss
5 12 (9.52%) IIS
6 11 (8.73%) Drupal
7 10 (7.94%) nginx
7 10 (7.94%) Elasticsearch
8 8 (6.35%) Alfresco
8 8 (6.35%) WordPress
8 8 (6.35%) CMS
9 7 (5.56%) Lync
10 6 (4.76%) WebLogic
11 3 (2.38%) Confluence
11 3 (2.38%) MediaWiki
Applications
1 16 (12.70%) MS Excel
Cloud Services
1 12 (9.52%) Taleo
1 12 (9.52%) Amazon AWS
1 12 (9.52%) Responsys
2 8 (6.35%) Office 365
3 1 (0.79%) Cloud Computing
Communications & Networking
1 69 (54.76%) TCP/IP
2 29 (23.02%) Firewall
3 15 (11.90%) SSL
3 15 (11.90%) SAN
4 14 (11.11%) VPN
4 14 (11.11%) DNS
5 11 (8.73%) NetScreen
5 11 (8.73%) Cisco ASA
6 8 (6.35%) OSPF
6 8 (6.35%) BGP
7 7 (5.56%) LDAP
8 6 (4.76%) LAN
8 6 (4.76%) WAN
8 6 (4.76%) FTP
8 6 (4.76%) IPsec
8 6 (4.76%) Network Security
9 5 (3.97%) HTTP
10 4 (3.17%) SMTP
11 3 (2.38%) EIGRP
11 3 (2.38%) Internet
Database & Business Intelligence
1 52 (41.27%) MySQL
2 26 (20.63%) NoSQL
3 20 (15.87%) SQL Server
4 15 (11.90%) Couchbase
5 12 (9.52%) Oracle Reports
5 12 (9.52%) Hadoop
6 10 (7.94%) Apache Cassandra
7 9 (7.14%) Oracle Database
8 7 (5.56%) Big Data
9 3 (2.38%) PostgreSQL
9 3 (2.38%) Relational Database
10 1 (0.79%) DB2
10 1 (0.79%) MongoDB
Development Applications
1 20 (15.87%) Jenkins
2 16 (12.70%) Git (software)
3 13 (10.32%) Hudson
4 9 (7.14%) Selenium
5 3 (2.38%) Subversion
5 3 (2.38%) JIRA
6 1 (0.79%) PHPUnit
General
1 2 (1.59%) Finance
Job Titles
1 51 (40.48%) Support Engineer
2 27 (21.43%) IT Support Engineer
2 27 (21.43%) Systems Administrator
2 27 (21.43%) IT Support
3 22 (17.46%) Administrator
4 19 (15.08%) Linux Administrator
4 19 (15.08%) DevOps Engineer
5 18 (14.29%) Linux Systems Administrator
6 13 (10.32%) Linux DevOps Engineer
7 11 (8.73%) Linux Engineer
8 8 (6.35%) 1st Line Support
9 7 (5.56%) Linux Support
9 7 (5.56%) Linux Support Engineer
10 5 (3.97%) 2nd Line Support Engineer
10 5 (3.97%) Applications Support
10 5 (3.97%) 2nd Line Support
10 5 (3.97%) Developer
10 5 (3.97%) Systems Engineer
11 4 (3.17%) Python Developer
11 4 (3.17%) Senior Support Engineer
Libraries, Frameworks & Software Standards
1 26 (20.63%) LAMP
2 15 (11.90%) ActiveMQ
3 7 (5.56%) CGI
4 5 (3.97%) Web Services
5 4 (3.17%) ZeroMQ
5 4 (3.17%) RESTful
6 3 (2.38%) Regular Expression
7 1 (0.79%) Alternative PHP Cache
Miscellaneous
1 14 (11.11%) Computer Science
1 14 (11.11%) Data Centre
2 12 (9.52%) Statistics
2 12 (9.52%) Analytical Skills
3 7 (5.56%) Management Information System
4 3 (2.38%) Wiki
5 1 (0.79%) Clustering
Operating Systems
1 126 (100.00%) Linux
2 91 (72.22%) Windows
3 65 (51.59%) Red Hat Enterprise Linux
4 42 (33.33%) Ubuntu
5 32 (25.40%) Debian
6 29 (23.02%) Windows 7
7 12 (9.52%) Oracle Linux
8 10 (7.94%) UNIX
9 9 (7.14%) SUSE
10 5 (3.97%) Windows Server 2003
11 2 (1.59%) Windows Server 2012
12 1 (0.79%) AIX
12 1 (0.79%) HPUX
12 1 (0.79%) Windows Server 2008
Processes & Methodologies
1 37 (29.37%) DevOps
2 27 (21.43%) Agile Software Development
3 21 (16.67%) Continuous Integration
4 18 (14.29%) Open Source
5 15 (11.90%) User Stories
6 11 (8.73%) Load Balancing
6 11 (8.73%) Configuration Management
6 11 (8.73%) Migration
7 8 (6.35%) Cyber Security
7 8 (6.35%) SIEM
7 8 (6.35%) Continuous Improvement
8 5 (3.97%) Line Management
8 5 (3.97%) Scrum
8 5 (3.97%) Performance Management
9 4 (3.17%) Kanban
9 4 (3.17%) Information Governance
10 3 (2.38%) Data Modelling
10 3 (2.38%) Disaster Recovery
10 3 (2.38%) Database Theory
10 3 (2.38%) Relational Database Theory
Programming Languages
1 46 (36.51%) Python
2 30 (23.81%) Java
3 27 (21.43%) PHP
3 27 (21.43%) SQL
4 26 (20.63%) Perl
5 21 (16.67%) Shell Script
6 18 (14.29%) Bash Shell
7 6 (4.76%) Ruby
7 6 (4.76%) C
8 5 (3.97%) C++
9 4 (3.17%) JavaScript
10 3 (2.38%) AWK
11 1 (0.79%) PowerShell
Qualifications
1 36 (28.57%) Degree
2 8 (6.35%) Security Cleared
3 5 (3.97%) MySQL Certification
3 5 (3.97%) IC3 Certification
4 3 (2.38%) SC Cleared
4 3 (2.38%) JNCIP
4 3 (2.38%) CCIE
4 3 (2.38%) Cisco Certification
5 2 (1.59%) Microsoft Certification
5 2 (1.59%) CISSP
5 2 (1.59%) MCSE
6 1 (0.79%) RHCE
6 1 (0.79%) RHCSA
Quality Assurance & Compliance
1 6 (4.76%) SLA
System Software
1 25 (19.84%) VMware Infrastructure
2 15 (11.90%) Active Directory
3 12 (9.52%) Hyper-V
4 7 (5.56%) VMware ESX
4 7 (5.56%) VirtualBox
5 6 (4.76%) iptables
5 6 (4.76%) Squid
5 6 (4.76%) Samba
5 6 (4.76%) qmail
6 5 (3.97%) KVM
7 3 (2.38%) Postfix
7 3 (2.38%) XenServer
7 3 (2.38%) VMware ESXi
Systems Management
1 55 (43.65%) Puppet
2 22 (17.46%) ZABBIX
3 12 (9.52%) Graphite
4 8 (6.35%) cPanel
4 8 (6.35%) Plesk
4 8 (6.35%) Opscode Chef
4 8 (6.35%) Nagios
5 7 (5.56%) Vagrant
6 4 (3.17%) Rundeck
7 3 (2.38%) Salt
8 1 (0.79%) Ansible
Vendors
1 96 (76.19%) Red Hat
2 35 (27.78%) VMware
3 24 (19.05%) Cisco
4 22 (17.46%) Oracle
5 18 (14.29%) Microsoft
6 15 (11.90%) Atlassian
6 15 (11.90%) Splunk
7 14 (11.11%) Juniper
8 13 (10.32%) HP
9 12 (9.52%) Sun
9 12 (9.52%) Eloqua
10 6 (4.76%) F5
11 5 (3.97%) Websense
12 3 (2.38%) Citrix
13 1 (0.79%) Symantec
13 1 (0.79%) EMC
13 1 (0.79%) Sybase
13 1 (0.79%) IBM
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