The table below looks at the statistics 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 24 April 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
24 Apr 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 190 197 177
Rank change year-on-year
+7 -20
Permanent jobs citing CentOS 18 23 46
As % of all permanent IT jobs located in Surrey 0.39% 0.44% 0.85%
As % of the Operating Systems category 1.22% 1.66% 3.29%
Number of salaries quoted 15 18 40
Average salary £50,000 £60,000 £35,000
Average salary % change year-on-year
-16.66% +71.42%
90% offered a salary of more than £36,000 £48,350 £30,600
10% offered a salary of more than £53,000 £66,500 £57,500
UK excluding London average salary £40,000 £39,000 £37,500
% change year-on-year
+2.56% +4.00%
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 Surrey region.

Operating Systems Category
Surrey
Permanent IT job ads with a match in the
Operating Systems category
1472 1384 1398
As % of all permanent IT jobs located in Surrey 31.97% 26.33% 25.92%
Number of salaries quoted 1299 1204 1236
Average salary £40,000 £40,000 £40,000
90% offered a salary of more than £24,500 £23,500 £24,000
10% offered a salary of more than £57,500 £53,500 £60,000
UK excluding London average salary £37,500 £37,000 £37,500
% change year-on-year
+1.35% -1.33%

CentOS
Jobs Demand Trend in Surrey

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.

CentOS Jobs Demand Trend in Surrey

CentOS
Salary Trend in Surrey

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

CentOS Salary Trend in Surrey

CentOS
Salary Histogram in Surrey

This chart provides a salary histogram for IT jobs citing CentOS across the Surrey region over the 3 months to 24 April 2015.

CentOS Salary Histogram in Surrey

CentOS
Job Locations in Surrey

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 24 April 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
Woking - 12 £50,000 -
Guildford +14 2 £50,000 +42.85%
CentOS
South East

CentOS
Top 30 Related IT Skills in Surrey

For the 6 months to 24 April 2015, 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 47 (92.16%) Red Hat
2 45 (88.24%) Linux
3 36 (70.59%) Perl
4 30 (58.82%) VMware
5 27 (52.94%) Python
5 27 (52.94%) Red Hat Enterprise Linux
6 25 (49.02%) Bash Shell
7 19 (37.25%) Ubuntu
8 18 (35.29%) MySQL
9 17 (33.33%) Oracle
9 17 (33.33%) Windows
10 15 (29.41%) PHP
10 15 (29.41%) Nagios
10 15 (29.41%) DNS
10 15 (29.41%) Puppet
10 15 (29.41%) VMware Infrastructure
11 14 (27.45%) Java
11 14 (27.45%) Apache
12 13 (25.49%) UNIX
12 13 (25.49%) Debian
12 13 (25.49%) DevOps
13 11 (21.57%) Windows Server 2008
13 11 (21.57%) Amazon AWS
13 11 (21.57%) Finance
13 11 (21.57%) SUSE
13 11 (21.57%) Agile Software Development
13 11 (21.57%) TCP/IP
14 10 (19.61%) SAN
14 10 (19.61%) Tomcat
14 10 (19.61%) SQL Server

CentOS
Top Related IT Skills in Surrey by Category

For the 6 months to 24 April 2015, 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 Platforms
1 14 (27.45%) Apache
2 10 (19.61%) Tomcat
3 4 (7.84%) IIS
3 4 (7.84%) nginx
4 3 (5.88%) OpenStack
4 3 (5.88%) JBoss
5 2 (3.92%) ArcGIS
Applications
1 1 (1.96%) MS Excel
Business Applications
1 7 (13.73%) Oracle General Ledger
Cloud Services
1 11 (21.57%) Amazon AWS
2 4 (7.84%) Cloud Computing
3 2 (3.92%) SaaS
3 2 (3.92%) IaaS
4 1 (1.96%) Virtual Private Cloud
4 1 (1.96%) Amazon EC2
4 1 (1.96%) Amazon S3
Communications & Networking
1 15 (29.41%) DNS
2 11 (21.57%) TCP/IP
3 10 (19.61%) SAN
4 5 (9.80%) Internet
4 5 (9.80%) HTTP
4 5 (9.80%) DHCP
5 3 (5.88%) LAN
5 3 (5.88%) WAN
5 3 (5.88%) Firewall
5 3 (5.88%) VLAN
5 3 (5.88%) NAS
6 2 (3.92%) VPN
7 1 (1.96%) SNMP
7 1 (1.96%) FTP
7 1 (1.96%) LDAP
7 1 (1.96%) Cisco IOS
7 1 (1.96%) Network Security
Database & Business Intelligence
1 18 (35.29%) MySQL
2 10 (19.61%) SQL Server
3 7 (13.73%) Informix
4 6 (11.76%) MongoDB
5 5 (9.80%) Hadoop
6 4 (7.84%) NoSQL
6 4 (7.84%) Oracle Database
7 2 (3.92%) Hazelcast
7 2 (3.92%) DB2
8 1 (1.96%) Amazon RDS
8 1 (1.96%) Big Data
Development Applications
1 4 (7.84%) Visual Studio
1 4 (7.84%) VSS/SourceSafe
1 4 (7.84%) Eclipse
1 4 (7.84%) Subversion
1 4 (7.84%) Trac
2 2 (3.92%) JIRA
2 2 (3.92%) Atlassian Bamboo
2 2 (3.92%) LoadRunner
3 1 (1.96%) Ant
General
1 11 (21.57%) Finance
2 1 (1.96%) Retail
Job Titles
1 23 (45.10%) Administrator
2 22 (43.14%) Systems Administrator
2 22 (43.14%) Linux Administrator
3 21 (41.18%) Linux Systems Administrator
4 9 (17.65%) Support Engineer
5 7 (13.73%) Infrastructure Engineer
5 7 (13.73%) Infrastructure Support Engineer
6 5 (9.80%) Linux Support
6 5 (9.80%) Systems Engineer
7 4 (7.84%) Applications Support
7 4 (7.84%) Senior Systems Administrator
8 3 (5.88%) Senior Linux Administrator
8 3 (5.88%) Senior Linux Systems Administrator
8 3 (5.88%) Systems Support
8 3 (5.88%) Analyst
8 3 (5.88%) DevOps Engineer
9 2 (3.92%) DevOps Administrator
9 2 (3.92%) Test Analyst
9 2 (3.92%) Systems Analyst
9 2 (3.92%) 3rd Line Support
Libraries, Frameworks & Software Standards
1 7 (13.73%) FIX Protocol
2 6 (11.76%) .NET
2 6 (11.76%) ActiveMQ
3 5 (9.80%) Web Services
4 4 (7.84%) XML
4 4 (7.84%) XSL
4 4 (7.84%) Ajax
4 4 (7.84%) RabbitMQ
5 2 (3.92%) WebSockets
5 2 (3.92%) .NET Framework
5 2 (3.92%) JSTL
5 2 (3.92%) Dojo
5 2 (3.92%) WPF
5 2 (3.92%) jQuery
5 2 (3.92%) Apache CXF
5 2 (3.92%) RESTful
5 2 (3.92%) LAMP
5 2 (3.92%) Spring
5 2 (3.92%) CSS
5 2 (3.92%) SOAP
Miscellaneous
1 8 (15.69%) Computer Science
2 7 (13.73%) Open Source
2 7 (13.73%) Eurex
3 6 (11.76%) Mathematics
3 6 (11.76%) Fixed Income
4 4 (7.84%) Clustering
4 4 (7.84%) Equities
4 4 (7.84%) Derivative
4 4 (7.84%) Physics
5 2 (3.92%) Enterprise Software
6 1 (1.96%) Public Cloud
6 1 (1.96%) Thin Client
6 1 (1.96%) Fat Client
Operating Systems
1 45 (88.24%) Linux
2 27 (52.94%) Red Hat Enterprise Linux
3 19 (37.25%) Ubuntu
4 17 (33.33%) Windows
5 13 (25.49%) UNIX
5 13 (25.49%) Debian
6 11 (21.57%) Windows Server 2008
6 11 (21.57%) SUSE
7 9 (17.65%) Fedora
7 9 (17.65%) Solaris
8 7 (13.73%) Windows Server 2012
9 6 (11.76%) Windows 7
9 6 (11.76%) FreeBSD
10 3 (5.88%) Windows Server 2003
11 1 (1.96%) AIX
11 1 (1.96%) Amazon Linux
Processes & Methodologies
1 13 (25.49%) DevOps
2 11 (21.57%) Agile Software Development
3 7 (13.73%) ITIL
4 5 (9.80%) Load Balancing
5 4 (7.84%) Software Engineering
5 4 (7.84%) Software Testing
5 4 (7.84%) Waterfall
5 4 (7.84%) Mentoring
6 3 (5.88%) Electronic Trading
6 3 (5.88%) Configuration Management
6 3 (5.88%) Network Design
7 2 (3.92%) Performance Testing
7 2 (3.92%) Security Testing
7 2 (3.92%) Information Assurance
7 2 (3.92%) Test Automation
7 2 (3.92%) Network Management
7 2 (3.92%) High Availability
7 2 (3.92%) Network Monitoring
8 1 (1.96%) Kalman Filter
8 1 (1.96%) Root Cause Analysis
Programming Languages
1 36 (70.59%) Perl
2 27 (52.94%) Python
3 25 (49.02%) Bash Shell
4 15 (29.41%) PHP
5 14 (27.45%) Java
6 9 (17.65%) JavaScript
6 9 (17.65%) Shell Script
7 7 (13.73%) C#
8 6 (11.76%) C++
8 6 (11.76%) SQL
9 4 (7.84%) Tcl
10 3 (5.88%) Ruby
10 3 (5.88%) C
10 3 (5.88%) PL/SQL
11 2 (3.92%) PowerShell
12 1 (1.96%) sed
12 1 (1.96%) AWK
Qualifications
1 10 (19.61%) Degree
2 7 (13.73%) Security Cleared
3 4 (7.84%) RHCSA
3 4 (7.84%) RHCE
4 3 (5.88%) SC Cleared
5 1 (1.96%) CTC Cleared
Quality Assurance & Compliance
1 2 (3.92%) ISO/IEC 27001
System Software
1 15 (29.41%) VMware Infrastructure
2 10 (19.61%) KVM
3 8 (15.69%) Active Directory
4 7 (13.73%) Xen
5 2 (3.92%) VMware ESXi
5 2 (3.92%) VMware Workstation
6 1 (1.96%) NFS
6 1 (1.96%) VMware ESX
6 1 (1.96%) XenServer
6 1 (1.96%) Varnish
6 1 (1.96%) LXC
Systems Management
1 15 (29.41%) Nagios
1 15 (29.41%) Puppet
2 10 (19.61%) Opscode Chef
3 7 (13.73%) ZABBIX
4 6 (11.76%) Opsview
5 4 (7.84%) Cobbler
6 2 (3.92%) Icinga
6 2 (3.92%) logstash
6 2 (3.92%) Cacti
6 2 (3.92%) Capistrano
6 2 (3.92%) Red Hat Satellite
6 2 (3.92%) NetBackup
6 2 (3.92%) WSUS
6 2 (3.92%) Netcool
7 1 (1.96%) BMC PATROL
7 1 (1.96%) Check_MK
Vendors
1 47 (92.16%) Red Hat
2 30 (58.82%) VMware
3 17 (33.33%) Oracle
4 9 (17.65%) Cisco
5 7 (13.73%) Patsystems
5 7 (13.73%) GL TRADE
5 7 (13.73%) NYFIX
6 6 (11.76%) Juniper
7 5 (9.80%) Citrix
8 4 (7.84%) Atlassian
8 4 (7.84%) Fidessa
8 4 (7.84%) HP
9 3 (5.88%) EasyScreen
9 3 (5.88%) Reuters
9 3 (5.88%) Bloomberg
9 3 (5.88%) EccoWare
10 2 (3.92%) Splunk
10 2 (3.92%) ServiceNow
11 1 (1.96%) Percona
11 1 (1.96%) Symantec