The table below looks at the statistics for CentOS skills in IT jobs advertised for the Portsmouth region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 1 September 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Sep 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 46 75 -
Rank change year-on-year
+29 -
Permanent jobs citing CentOS 13 5 0
As % of all permanent IT jobs located in Portsmouth 3.20% 1.20% -
As % of the Operating Systems category 9.49% 3.09% -
Number of salaries quoted 12 5 0
Average salary £38,500 £45,000 -
Average salary % change year-on-year
-14.44% -
UK excluding London average salary £42,500 £41,750 £38,500
% change year-on-year
+1.79% +8.44%
CentOS
Hampshire

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

Operating Systems Category
Portsmouth
Permanent IT job ads with a match in the
Operating Systems category
137 162 198
As % of all permanent IT jobs located in Portsmouth 33.74% 38.94% 45.31%
Number of salaries quoted 127 154 186
Average salary £36,000 £42,500 £40,000
Average salary % change year-on-year
-15.29% +6.25%
90% offered a salary of more than £24,000 £25,000 £25,000
10% offered a salary of more than £50,000 £52,500 £50,500
UK excluding London average salary £37,500 £37,000 £37,500
% change year-on-year
+1.35% -1.33%

CentOS
Jobs Demand Trend in Portsmouth

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

CentOS Jobs Demand Trend in Portsmouth

CentOS
Salary Trend in Portsmouth

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

CentOS Salary Trend in Portsmouth

CentOS
Top 30 Related IT Skills in Portsmouth

For the 6 months to 1 September 2015, IT jobs across the Portsmouth 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 20 (86.96%) UNIX
1 20 (86.96%) Red Hat Enterprise Linux
2 17 (73.91%) VMware Infrastructure
2 17 (73.91%) Linux
2 17 (73.91%) Red Hat
2 17 (73.91%) VMware
3 16 (69.57%) Microsoft
3 16 (69.57%) ITIL
4 15 (65.22%) Security Cleared
5 14 (60.87%) Software Testing
5 14 (60.87%) Derivative
5 14 (60.87%) Security Management
5 14 (60.87%) Python
5 14 (60.87%) Perl
5 14 (60.87%) Oracle
5 14 (60.87%) HP
5 14 (60.87%) Shell Script
5 14 (60.87%) RHCE
5 14 (60.87%) Open Source
5 14 (60.87%) Bash Shell
5 14 (60.87%) Oracle Linux
5 14 (60.87%) Puppet
5 14 (60.87%) RHCSA
6 12 (52.17%) Service Delivery
7 10 (43.48%) DV Cleared
7 10 (43.48%) Windows
7 10 (43.48%) Server Building
7 10 (43.48%) Windows Server 2012
7 10 (43.48%) Windows Server 2008
8 8 (34.78%) SQL

CentOS
Top Related IT Skills in Portsmouth by Category

For the 6 months to 1 September 2015, IT jobs across the Portsmouth 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 8 (34.78%) Apache
2 2 (8.70%) Lync
Applications
1 2 (8.70%) MS Office
1 2 (8.70%) MS Excel
Cloud Services
1 2 (8.70%) Office 365
2 1 (4.35%) Cloud Computing
Communications & Networking
1 2 (8.70%) LAN
1 2 (8.70%) VoIP
1 2 (8.70%) WAN
1 2 (8.70%) DHCP
1 2 (8.70%) DNS
1 2 (8.70%) Firewall
1 2 (8.70%) Skype
Database & Business Intelligence
1 6 (26.09%) MySQL
1 6 (26.09%) MongoDB
1 6 (26.09%) NoSQL
Development Applications
1 6 (26.09%) Subversion
1 6 (26.09%) PHPUnit
2 1 (4.35%) Juju
General
1 2 (8.70%) Back Office
1 2 (8.70%) Finance
2 1 (4.35%) Aerospace
Job Titles
1 14 (60.87%) Infrastructure Engineer
1 14 (60.87%) Linux Engineer
2 10 (43.48%) Linux Systems Administrator
2 10 (43.48%) Linux Administrator
2 10 (43.48%) Administrator
2 10 (43.48%) Systems Administrator
3 6 (26.09%) Senior Developer
3 6 (26.09%) Developer
3 6 (26.09%) PHP Developer
3 6 (26.09%) Senior PHP Developer
4 2 (8.70%) IT Operations Manager
4 2 (8.70%) Operations Manager
5 1 (4.35%) Software Engineer
Libraries, Frameworks & Software Standards
1 6 (26.09%) SOAP
1 6 (26.09%) XML
1 6 (26.09%) JSON
1 6 (26.09%) CakePHP
1 6 (26.09%) jQuery
1 6 (26.09%) REST
Miscellaneous
1 14 (60.87%) Derivative
2 2 (8.70%) Management Information System
Operating Systems
1 20 (86.96%) UNIX
1 20 (86.96%) Red Hat Enterprise Linux
2 17 (73.91%) Linux
3 14 (60.87%) Oracle Linux
4 10 (43.48%) Windows Server 2008
4 10 (43.48%) Windows Server 2012
4 10 (43.48%) Windows
5 1 (4.35%) Ubuntu
5 1 (4.35%) Scientific Linux
Processes & Methodologies
1 16 (69.57%) ITIL
2 14 (60.87%) Security Management
2 14 (60.87%) Software Testing
2 14 (60.87%) Open Source
3 12 (52.17%) Service Delivery
4 10 (43.48%) Server Building
5 6 (26.09%) SDLC
5 6 (26.09%) OO PHP
5 6 (26.09%) Scrum
5 6 (26.09%) Agile Software Development
5 6 (26.09%) Unit Testing
6 3 (13.04%) Software Engineering
7 2 (8.70%) Service Management
7 2 (8.70%) Performance Management
7 2 (8.70%) Asset Management
7 2 (8.70%) Business Continuity
7 2 (8.70%) Change Management
7 2 (8.70%) Disaster Recovery
7 2 (8.70%) Line Management
7 2 (8.70%) Mentoring
Programming Languages
1 14 (60.87%) Perl
1 14 (60.87%) Python
1 14 (60.87%) Shell Script
1 14 (60.87%) Bash Shell
2 8 (34.78%) SQL
3 6 (26.09%) JavaScript
3 6 (26.09%) PHP
Qualifications
1 15 (65.22%) Security Cleared
2 14 (60.87%) RHCSA
2 14 (60.87%) RHCE
3 10 (43.48%) DV Cleared
4 6 (26.09%) CCNP
4 6 (26.09%) Cisco Certification
5 2 (8.70%) Microsoft Certification
6 1 (4.35%) SC Cleared
Quality Assurance & Compliance
1 6 (26.09%) QA
System Software
1 17 (73.91%) VMware Infrastructure
2 2 (8.70%) Active Directory
3 1 (4.35%) VMware ESXi
Systems Management
1 14 (60.87%) Puppet
Vendors
1 17 (73.91%) Red Hat
1 17 (73.91%) VMware
2 16 (69.57%) Microsoft
3 14 (60.87%) HP
3 14 (60.87%) Oracle
4 3 (13.04%) Cisco
5 1 (4.35%) Intel