The table below looks at the statistics for CentOS skills in IT jobs advertised for the Southampton region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 29 June 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Jun 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 73 79 84
Rank change year-on-year
+6 +5
Permanent jobs citing CentOS 11 9 1
As % of all permanent IT jobs located in Southampton 1.53% 1.16% 0.11%
As % of the Operating Systems category 4.42% 2.91% 0.30%
Number of salaries quoted 11 9 1
Median salary £35,000 £32,500 £47,500
Median salary % change year-on-year
+7.69% -31.57%
UK excluding London median salary £47,500 £40,000 £37,500
% change year-on-year
+18.75% +6.66%
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 Southampton region.

Operating Systems Category
Southampton
Permanent IT job ads with a match in the
Operating Systems category
249 309 336
As % of all permanent IT jobs located in Southampton 34.73% 39.87% 38.40%
Number of salaries quoted 231 259 301
Median salary £38,000 £40,000 £32,500
Median salary % change year-on-year
-5.00% +23.07%
90% offered a salary of more than £26,500 £20,525 £22,500
10% offered a salary of more than £50,000 £50,000 £55,000
UK excluding London median salary £37,500 £37,500 £36,000
% change year-on-year
- +4.16%

CentOS
Jobs Demand Trend in Southampton

The demand trend of job ads across the Southampton region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Southampton

CentOS
Salary Trend in Southampton

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

CentOS Salary Trend in Southampton

CentOS
Salary Histogram in Southampton

This chart provides a salary histogram for IT jobs citing CentOS across the Southampton region over the 3 months to 29 June 2016.

CentOS Salary Histogram in Southampton

CentOS
Top 30 Related IT Skills in Southampton

For the 6 months to 29 June 2016, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Southampton region with a requirement for CentOS.

1 16 (100.00%) Linux
2 15 (93.75%) Red Hat
3 9 (56.25%) PHP
3 9 (56.25%) Windows
3 9 (56.25%) VMware
4 8 (50.00%) Apache
4 8 (50.00%) TCP/IP
4 8 (50.00%) Red Hat Enterprise Linux
4 8 (50.00%) Postfix
5 7 (43.75%) nginx
5 7 (43.75%) Web Services
5 7 (43.75%) Fedora
5 7 (43.75%) Configuration Management
6 6 (37.50%) Telnet
6 6 (37.50%) LAMP
6 6 (37.50%) VMware ESX
6 6 (37.50%) Scrum
6 6 (37.50%) SSH
6 6 (37.50%) VMware Certified Professional (VCP)
6 6 (37.50%) Load Balancing
6 6 (37.50%) French Language
6 6 (37.50%) ITIL
6 6 (37.50%) MySQL
6 6 (37.50%) SMTP
6 6 (37.50%) FTP
6 6 (37.50%) RHCE
6 6 (37.50%) DNS
6 6 (37.50%) Sendmail
6 6 (37.50%) VMware Infrastructure
6 6 (37.50%) VMware ESXi

CentOS
Top Related IT Skills in Southampton by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 8 (50.00%) Apache
2 7 (43.75%) nginx
Cloud Services
1 2 (12.50%) Amazon AWS
Communications & Networking
1 8 (50.00%) TCP/IP
2 6 (37.50%) DNS
2 6 (37.50%) FTP
2 6 (37.50%) SMTP
2 6 (37.50%) SSH
2 6 (37.50%) Telnet
3 2 (12.50%) Internet
3 2 (12.50%) IPsec
3 2 (12.50%) OpenVPN
3 2 (12.50%) VLAN
4 1 (6.25%) BGP
4 1 (6.25%) Network Security
4 1 (6.25%) SNA
Database & Business Intelligence
1 6 (37.50%) MySQL
2 3 (18.75%) Apache Cassandra
3 2 (12.50%) Couchbase
3 2 (12.50%) PostgreSQL
4 1 (6.25%) Aerospike
4 1 (6.25%) Hadoop
Development Applications
1 5 (31.25%) Eclipse
1 5 (31.25%) JUnit
1 5 (31.25%) SoapUI
General
1 6 (37.50%) French Language
Job Titles
1 7 (43.75%) Systems Engineer
2 6 (37.50%) Linux Engineer
2 6 (37.50%) Linux Systems Engineer
3 5 (31.25%) Junior
3 5 (31.25%) Junior Software Tester
3 5 (31.25%) Junior Tester
3 5 (31.25%) Software Tester
3 5 (31.25%) Tester
4 2 (12.50%) Infrastructure Manager
4 2 (12.50%) IT Infrastructure Manager
4 2 (12.50%) IT Manager
5 1 (6.25%) Administrator
5 1 (6.25%) IT Engineer
5 1 (6.25%) Network Engineer
5 1 (6.25%) Network Systems Engineer
5 1 (6.25%) Senior Architect
5 1 (6.25%) Senior IT Engineer
5 1 (6.25%) Senior Network Engineer
5 1 (6.25%) Senior Systems Engineer
5 1 (6.25%) Systems Architect
Libraries, Frameworks & Software Standards
1 7 (43.75%) Web Services
2 6 (37.50%) LAMP
2 6 (37.50%) LEMP Stack
3 2 (12.50%) LAPP Stack
3 2 (12.50%) PHP-FPM
Miscellaneous
1 5 (31.25%) iSeries
Operating Systems
1 16 (100.00%) Linux
2 9 (56.25%) Windows
3 8 (50.00%) Red Hat Enterprise Linux
4 7 (43.75%) Fedora
5 5 (31.25%) AIX
5 5 (31.25%) Solaris
5 5 (31.25%) Unix
6 3 (18.75%) Windows Server
6 3 (18.75%) Windows Server 2012
7 2 (12.50%) Ubuntu
8 1 (6.25%) Debian
8 1 (6.25%) FreeBSD
8 1 (6.25%) Windows Server 2008
Processes & Methodologies
1 7 (43.75%) Configuration Management
2 6 (37.50%) ITIL
2 6 (37.50%) Load Balancing
2 6 (37.50%) Scrum
3 5 (31.25%) Automated Testing
4 2 (12.50%) Information Security
5 1 (6.25%) Agile Software Development
5 1 (6.25%) High Availability
5 1 (6.25%) Network Architecture
5 1 (6.25%) Open Source
5 1 (6.25%) Penetration Testing
5 1 (6.25%) Security Architecture
5 1 (6.25%) Virtual Environments
Programming Languages
1 9 (56.25%) PHP
2 5 (31.25%) Java
3 2 (12.50%) Bash Shell
3 2 (12.50%) Perl
3 2 (12.50%) Python
Qualifications
1 6 (37.50%) RHCE
1 6 (37.50%) RHCSA
1 6 (37.50%) VMware Certified Professional (VCP)
2 2 (12.50%) Cisco Certification
3 1 (6.25%) CCIE
3 1 (6.25%) CCNA
3 1 (6.25%) CCNP
3 1 (6.25%) Degree
Quality Assurance & Compliance
1 3 (18.75%) ISO/IEC 27001
System Software
1 8 (50.00%) Postfix
2 6 (37.50%) Sendmail
2 6 (37.50%) VMware ESX
2 6 (37.50%) VMware ESXi
2 6 (37.50%) VMware Infrastructure
3 2 (12.50%) pfSense
Systems Management
1 2 (12.50%) Puppet
2 1 (6.25%) Failover Clustering
2 1 (6.25%) Kibana
2 1 (6.25%) logstash
Vendors
1 15 (93.75%) Red Hat
2 9 (56.25%) VMware
3 5 (31.25%) IBM
4 3 (18.75%) Cisco
5 2 (12.50%) Dell
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