The first table below looks at the demand for CentOS skills in IT jobs advertised for the Surrey region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 17 June 2013 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 Surrey region.

Location
3 months to
17 Jun 2013
Same period 2012 Same period 2011
CentOS Linux
Rank 169 206 189
Rank change year-on-year
+37 -17
Permanent jobs citing CentOS 47 23 28
As % of all permanent IT jobs located in Surrey 0.897% 0.384% 0.509%
As % of the Operating Systems category 3.117% 1.294% 1.661%
Number of salaries quoted 47 14 22
Average salary £42,000 £50,000 £50,000
Average salary % change year-on-year
-16.00% -
90% offered a salary of more than £25,700 £29,750 £37,600
10% offered a salary of more than £66,000 £53,500 £55,000
UK excluding London average salary £37,500 £36,000 £38,000
% change year-on-year
+4.16% -5.26%
All Operating Systems
Surrey
Permanent IT job ads with a match in the
Operating Systems category
1508 1777 1686
As % of all permanent IT jobs located in Surrey 28.80% 29.71% 30.67%
Number of salaries quoted 1393 1537 1462
Average salary £40,000 £42,500 £40,000
Average salary % change year-on-year
-5.88% +6.25%
90% offered a salary of more than £26,000 £26,000 £24,500
10% offered a salary of more than £57,500 £55,000 £62,500
UK excluding London average salary £37,500 £37,500 £35,000
% change year-on-year
- +7.14%
CentOS
South East

CentOS
Jobs Demand Trend

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

Surrey CentOS Jobs Demand Trend

CentOS
Salary Trend

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

Surrey CentOS Salary Trend

CentOS
Salary Histogram

This chart provides a salary histogram for IT jobs citing CentOS across the Surrey region over the 3 months to 17 June 2013.

Surrey CentOS Salary Histogram

CentOS
Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the Surrey region over the 3 months to 17 June 2013. 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
(Click each for more statistics)
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
Find
Job
Vacancies
Guildford +8 21 £40,000 +45.45%
Woking - 4 £44,250 -
Staines +18 2 £65,000 +30.00%
Oxted -2 1 £30,000 -14.28%
Reigate - 1 £45,000 -
CentOS
South East

CentOS
Top 30 Related IT Skills

For the 6 months to 17 June 2013, IT jobs across the Surrey 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 83 (100.00%) Linux
2 57 (68.67%) Apache
3 50 (60.24%) VMware
4 47 (56.63%) MySQL
5 46 (55.42%) Red Hat
6 43 (51.81%) Microsoft
6 43 (51.81%) Windows
6 43 (51.81%) VMware Infrastructure
7 38 (45.78%) DNS
8 27 (32.53%) TCP/IP
8 27 (32.53%) Windows Server 2003
8 27 (32.53%) Windows Server 2008
9 24 (28.92%) Red Hat Enterprise Linux
10 22 (26.51%) SQL
11 21 (25.30%) PHP
12 20 (24.10%) SMTP
13 19 (22.89%) VMware ESXi
14 18 (21.69%) Perl
15 17 (20.48%) Internet
15 17 (20.48%) HP
16 16 (19.28%) UNIX
16 16 (19.28%) Bash shell
17 15 (18.07%) MS Excel
17 15 (18.07%) Change Management
17 15 (18.07%) Xen
18 14 (16.87%) FTP
18 14 (16.87%) POP3
18 14 (16.87%) Cisco
18 14 (16.87%) Dell
18 14 (16.87%) Nagios

CentOS
Top Related IT Skills by Category

For the 6 months to 17 June 2013, IT jobs across the Surrey 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 Development
1 14 (16.87%) Web Services
2 6 (7.229%) LAMP
2 6 (7.229%) jQuery
3 5 (6.024%) ActiveMQ
3 5 (6.024%) SOAP
4 4 (4.819%) Ajax
5 2 (2.410%) FreeSWITCH
6 1 (1.205%) Node.js
6 1 (1.205%) CakePHP
6 1 (1.205%) CSS
6 1 (1.205%) XHTML
Application Platforms
1 57 (68.67%) Apache
2 14 (16.87%) IIS
3 9 (10.84%) Tomcat
4 4 (4.819%) SharePoint
5 3 (3.614%) Lotus Domino
Applications
1 15 (18.07%) MS Excel
2 5 (6.024%) MS Visio
Communications & Networking
1 38 (45.78%) DNS
2 27 (32.53%) TCP/IP
3 20 (24.10%) SMTP
4 17 (20.48%) Internet
5 14 (16.87%) FTP
5 14 (16.87%) POP3
6 10 (12.05%) SSL
7 9 (10.84%) MPLS
7 9 (10.84%) Firewall
7 9 (10.84%) IPsec
7 9 (10.84%) VPN
8 5 (6.024%) Asterisk PBX
9 4 (4.819%) SAN
9 4 (4.819%) WAN
10 2 (2.410%) VoIP
10 2 (2.410%) RTP
11 1 (1.205%) Wireshark
11 1 (1.205%) LDAP
Database & Business Intelligence
1 47 (56.63%) MySQL
2 7 (8.434%) SQL Server
3 3 (3.614%) MongoDB
3 3 (3.614%) Apache Cassandra
4 2 (2.410%) Oracle 8/8i
Development Applications
1 2 (2.410%) Subversion
2 1 (1.205%) Trac
General
1 3 (3.614%) Automotive
2 1 (1.205%) Back Office
2 1 (1.205%) Telecoms
2 1 (1.205%) Finance
Job Titles
1 28 (33.73%) Systems Administrator
1 28 (33.73%) Administrator
2 19 (22.89%) Linux Engineer
3 18 (21.69%) Infrastructure Engineer
4 9 (10.84%) Citrix Engineer
5 8 (9.639%) Linux Systems Administrator
5 8 (9.639%) Linux Administrator
6 7 (8.434%) QA Engineer
6 7 (8.434%) Support Engineer
7 6 (7.229%) Junior
7 6 (7.229%) Developer
7 6 (7.229%) Linux Support
7 6 (7.229%) Linux Support Engineer
7 6 (7.229%) Junior Systems Administrator
8 5 (6.024%) Infrastructure Services Engineer
9 4 (4.819%) Software Manager
9 4 (4.819%) IT Development Manager
9 4 (4.819%) Software Development Manager
9 4 (4.819%) Server Engineer
9 4 (4.819%) Web Developer
Miscellaneous
1 6 (7.229%) Clustering
2 4 (4.819%) Pocket PC
2 4 (4.819%) Computer Science
2 4 (4.819%) SaaS
3 3 (3.614%) Firmware
4 1 (1.205%) Enterprise Software
Operating Systems
1 83 (100.00%) Linux
2 43 (51.81%) Windows
3 27 (32.53%) Windows Server 2003
3 27 (32.53%) Windows Server 2008
4 24 (28.92%) Red Hat Enterprise Linux
5 16 (19.28%) UNIX
6 13 (15.66%) Ubuntu
7 12 (14.46%) Solaris
8 9 (10.84%) AIX
8 9 (10.84%) Windows XP
9 8 (9.639%) SUSE
9 8 (9.639%) Debian
10 3 (3.614%) FreeBSD
Processes & Methodologies
1 15 (18.07%) Change Management
2 14 (16.87%) Configuration Management
3 8 (9.639%) Scrum
3 8 (9.639%) Information Security
3 8 (9.639%) Software Testing
4 7 (8.434%) Extreme Programming
4 7 (8.434%) Test Scripting
4 7 (8.434%) ITIL
5 5 (6.024%) Stakeholder Management
6 4 (4.819%) PRINCE2
6 4 (4.819%) CRM
6 4 (4.819%) Project Management
6 4 (4.819%) Workflow
7 3 (3.614%) Benchmarking
7 3 (3.614%) Capacity Management
7 3 (3.614%) Infrastructure Management
7 3 (3.614%) Business Continuity
7 3 (3.614%) Release Management
8 1 (1.205%) OOP
Programming Languages
1 22 (26.51%) SQL
2 21 (25.30%) PHP
3 18 (21.69%) Perl
4 16 (19.28%) Bash shell
5 5 (6.024%) JavaScript
6 4 (4.819%) VB
6 4 (4.819%) C
6 4 (4.819%) C++
6 4 (4.819%) Delphi
6 4 (4.819%) Shell Script
7 3 (3.614%) Java
7 3 (3.614%) Python
Qualifications
1 12 (14.46%) Degree
2 7 (8.434%) Security Cleared
2 7 (8.434%) ISEB
3 4 (4.819%) CCA
3 4 (4.819%) Citrix Certification
3 4 (4.819%) Cisco Certification
3 4 (4.819%) Microsoft Certification
3 4 (4.819%) VMware Certified Professional (VCP)
3 4 (4.819%) MCSE
3 4 (4.819%) MCSA
3 4 (4.819%) CCNA
3 4 (4.819%) CCDA
3 4 (4.819%) CCAA
4 3 (3.614%) DV Cleared
5 1 (1.205%) SC Cleared
Quality Assurance & Compliance
1 8 (9.639%) QA
System Software
1 43 (51.81%) VMware Infrastructure
2 19 (22.89%) VMware ESXi
3 15 (18.07%) Xen
4 10 (12.05%) Samba
4 10 (12.05%) vSphere
5 9 (10.84%) Active Directory
5 9 (10.84%) Citrix Presentation Server
5 9 (10.84%) XenApp
6 5 (6.024%) VMware Server
7 2 (2.410%) OpenSIPS
Systems Management
1 14 (16.87%) Nagios
1 14 (16.87%) Puppet
2 11 (13.25%) Zenoss
3 9 (10.84%) YUM
4 5 (6.024%) Splunk
5 3 (3.614%) WSUS
Vendors
1 50 (60.24%) VMware
2 46 (55.42%) Red Hat
3 43 (51.81%) Microsoft
4 17 (20.48%) HP
5 14 (16.87%) Dell
5 14 (16.87%) Cisco
6 12 (14.46%) Oracle
7 9 (10.84%) Citrix
7 9 (10.84%) AppSense
8 6 (7.229%) JBoss
9 5 (6.024%) Zend
10 3 (3.614%) CheckPoint
10 3 (3.614%) Juniper
10 3 (3.614%) Lotus