The first table below looks at the demand for CentOS skills in IT jobs advertised for the Slough region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 18 April 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Operating Systems category for the Slough region.

Location
3 months to
18 Apr 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 47 57 64
Rank change year-on-year
+10 +7
Permanent jobs citing CentOS 21 11 4
As % of all permanent IT jobs located in Slough 3.79% 1.59% 0.63%
As % of the Operating Systems category 12.65% 6.79% 2.08%
Number of salaries quoted 15 10 4
Average salary £42,500 £50,000 £42,500
Average salary % change year-on-year
-15.00% +17.64%
UK excluding London average salary £39,000 £37,500 £38,500
% change year-on-year
+4.00% -2.59%
Operating Systems Category
Slough
Permanent IT job ads with a match in the
Operating Systems category
166 162 192
As % of all permanent IT jobs located in Slough 29.96% 23.34% 30.14%
Number of salaries quoted 142 127 157
Average salary £40,500 £45,000 £37,500
Average salary % change year-on-year
-10.00% +20.00%
90% offered a salary of more than £27,000 £26,500 £25,500
10% offered a salary of more than £60,000 £50,000 £55,000
UK excluding London average salary £37,000 £37,500 £37,500
% change year-on-year
-1.33% -
CentOS
Berkshire

CentOS
Jobs Demand Trend in Slough

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

CentOS Jobs Demand Trend in Slough

CentOS
Salary Trend in Slough

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

CentOS Salary Trend in Slough

CentOS
Salary Histogram in Slough

This chart provides a salary histogram for IT jobs citing CentOS across the Slough region over the 3 months to 18 April 2014.

CentOS Salary Histogram in Slough

CentOS
Top 30 Related IT Skills in Slough

For the 6 months to 18 April 2014, IT jobs across the Slough 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 50 (100.00%) Linux
2 48 (96.00%) Red Hat
3 42 (84.00%) Windows
3 42 (84.00%) Ubuntu
4 34 (68.00%) PHP
5 33 (66.00%) Perl
6 29 (58.00%) SQL
6 29 (58.00%) Python
7 23 (46.00%) Apache
7 23 (46.00%) Bash Shell
8 22 (44.00%) Ruby
8 22 (44.00%) Firewall
9 20 (40.00%) CMS
9 20 (40.00%) MySQL
9 20 (40.00%) Drupal
9 20 (40.00%) Alfresco
9 20 (40.00%) WordPress
9 20 (40.00%) Plesk
10 19 (38.00%) Imperva
10 19 (38.00%) Windows Server 2008
10 19 (38.00%) Metasploit
10 19 (38.00%) tcpdump
10 19 (38.00%) SIEM
10 19 (38.00%) OSCP
10 19 (38.00%) OSCE
10 19 (38.00%) CEH
10 19 (38.00%) Snort
10 19 (38.00%) Vulnerability Assessment
10 19 (38.00%) Nmap
10 19 (38.00%) Nessus

CentOS
Top Related IT Skills in Slough by Category

For the 6 months to 18 April 2014, IT jobs across the Slough 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 23 (46.00%) Apache
2 20 (40.00%) CMS
2 20 (40.00%) Drupal
2 20 (40.00%) Alfresco
2 20 (40.00%) WordPress
3 14 (28.00%) IIS
4 13 (26.00%) nginx
5 5 (10.00%) MS Exchange
5 5 (10.00%) Exchange Server 2010
6 4 (8.00%) Tomcat
7 3 (6.00%) WebLogic
7 3 (6.00%) Confluence
Applications
1 5 (10.00%) MS Excel
Business Applications
1 1 (2.00%) SAP Oil and Gas
Cloud Services
1 5 (10.00%) SaaS
Communications & Networking
1 22 (44.00%) Firewall
2 19 (38.00%) tcpdump
3 14 (28.00%) FTP
3 14 (28.00%) TCP/IP
4 10 (20.00%) DNS
5 6 (12.00%) SSL
5 6 (12.00%) VPN
6 3 (6.00%) LDAP
6 3 (6.00%) OpenLDAP
6 3 (6.00%) SSH
6 3 (6.00%) Cisco Nexus
7 1 (2.00%) Wi-Fi
Database & Business Intelligence
1 20 (40.00%) MySQL
2 14 (28.00%) SQL Server
2 14 (28.00%) SQL Server 2005
3 9 (18.00%) SQL Server 2008
4 3 (6.00%) Oracle Database
5 1 (2.00%) MongoDB
Development Applications
1 19 (38.00%) Metasploit
2 3 (6.00%) Ant
2 3 (6.00%) IntelliJ
2 3 (6.00%) Hudson
2 3 (6.00%) Gradle
2 3 (6.00%) Jenkins
2 3 (6.00%) Apache Ivy
2 3 (6.00%) Subversion
2 3 (6.00%) JIRA
2 3 (6.00%) Selenium
General
1 4 (8.00%) Telecoms
2 1 (2.00%) Marketing
2 1 (2.00%) Finance
2 1 (2.00%) Automotive
2 1 (2.00%) Manufacturing
2 1 (2.00%) Electronics
Job Titles
1 19 (38.00%) Security Engineer
2 16 (32.00%) Support Engineer
3 15 (30.00%) Administrator
4 14 (28.00%) Systems Administrator
4 14 (28.00%) Linux Engineer
5 10 (20.00%) Linux Support Engineer
5 10 (20.00%) Linux Support
6 6 (12.00%) Linux Systems Administrator
6 6 (12.00%) Linux Administrator
7 5 (10.00%) Windows Administrator
7 5 (10.00%) Windows Systems Administrator
8 3 (6.00%) Senior Systems Administrator
9 2 (4.00%) Cloud Engineer
10 1 (2.00%) IT Support
10 1 (2.00%) UNIX Administrator
10 1 (2.00%) IT Support Engineer
Libraries, Frameworks & Software Standards
1 6 (12.00%) COM
2 5 (10.00%) Web Services
3 3 (6.00%) X-Windows
3 3 (6.00%) CPAN
Miscellaneous
1 8 (16.00%) Clustering
2 5 (10.00%) Replication
3 3 (6.00%) Wiki
4 1 (2.00%) Open Source
4 1 (2.00%) DTV
Operating Systems
1 50 (100.00%) Linux
2 42 (84.00%) Windows
2 42 (84.00%) Ubuntu
3 19 (38.00%) Windows Server 2008
4 14 (28.00%) Windows Server 2012
5 5 (10.00%) Solaris
5 5 (10.00%) Debian
6 4 (8.00%) Red Hat Enterprise Linux
6 4 (8.00%) UNIX
7 3 (6.00%) AIX
8 1 (2.00%) SUSE
Processes & Methodologies
1 19 (38.00%) SIEM
1 19 (38.00%) Vulnerability Assessment
2 14 (28.00%) Migration
3 9 (18.00%) Performance Tuning
4 5 (10.00%) E-Commerce
4 5 (10.00%) Information Security
4 5 (10.00%) Content Management
4 5 (10.00%) Root Cause Analysis
5 3 (6.00%) Kanban
6 1 (2.00%) Performance Monitoring
6 1 (2.00%) Digital Marketing
6 1 (2.00%) Load Balancing
6 1 (2.00%) Capacity Management
6 1 (2.00%) Capacity Planning
6 1 (2.00%) Programme Management
6 1 (2.00%) Business Intelligence
Programming Languages
1 34 (68.00%) PHP
2 33 (66.00%) Perl
3 29 (58.00%) SQL
3 29 (58.00%) Python
4 23 (46.00%) Bash Shell
5 22 (44.00%) Ruby
6 4 (8.00%) C
7 3 (6.00%) Java
7 3 (6.00%) C-shell
7 3 (6.00%) Korn
8 1 (2.00%) Shell Script
Qualifications
1 19 (38.00%) OSCP
1 19 (38.00%) OSCE
1 19 (38.00%) CEH
1 19 (38.00%) CISSP
2 18 (36.00%) Degree
3 14 (28.00%) Cisco Certification
3 14 (28.00%) CCNA
4 5 (10.00%) RHCE
Quality Assurance & Compliance
1 18 (36.00%) PCI DSS
1 18 (36.00%) HIPAA
2 15 (30.00%) SLA
System Software
1 19 (38.00%) Snort
1 19 (38.00%) Nmap
2 17 (34.00%) VMware Infrastructure
3 8 (16.00%) vSphere
3 8 (16.00%) VMware ESX
4 7 (14.00%) Xen
5 5 (10.00%) Active Directory
5 5 (10.00%) Hyper-V
6 4 (8.00%) KVM
6 4 (8.00%) Varnish
7 3 (6.00%) NFS
7 3 (6.00%) Sendmail
Systems Management
1 20 (40.00%) Plesk
2 19 (38.00%) Nessus
3 8 (16.00%) Puppet
3 8 (16.00%) Nagios
4 3 (6.00%) YUM
Vendors
1 48 (96.00%) Red Hat
2 19 (38.00%) Imperva
2 19 (38.00%) Sophos
3 18 (36.00%) VMware
4 9 (18.00%) Salesforce.com
4 9 (18.00%) Microsoft
5 4 (8.00%) Oracle
6 3 (6.00%) Vignette
6 3 (6.00%) Cisco
6 3 (6.00%) BEA
6 3 (6.00%) HP
6 3 (6.00%) Dell
6 3 (6.00%) Sun
6 3 (6.00%) Google
7 1 (2.00%) SAP