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 21 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
21 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
Hampshire / Southampton
Rank 70 71 86
Rank change year-on-year
+1 +15
Permanent jobs citing CentOS 4 8 1
As % of all permanent IT jobs located in Southampton 0.63% 1.10% 0.12%
As % of the Operating Systems category 1.91% 3.54% 0.35%
Number of salaries quoted 4 8 0
Median salary £45,000 £47,500 -
Median salary % change year-on-year
-5.26% -
UK excluding London median salary £45,000 £45,000 £42,000
% change year-on-year
- +7.14%

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
209 226 283
As % of all permanent IT jobs located in Southampton 32.81% 31.22% 34.01%
Number of salaries quoted 196 219 254
Median salary £37,500 £40,000 £35,000
Median salary % change year-on-year
-6.25% +14.28%
90% offered a salary of more than £25,000 £22,500 £22,500
10% offered a salary of more than £50,000 £50,000 £51,500
UK excluding London median salary £37,500 £37,500 £37,500

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
Top 30 Related IT Skills in Southampton

For the 6 months to 21 January 2017, 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 42 (100.00%) Linux
2 36 (85.71%) Red Hat
3 32 (76.19%) PHP
3 32 (76.19%) Red Hat Enterprise Linux
4 26 (61.90%) Amazon AWS
4 26 (61.90%) Windows
4 26 (61.90%) Puppet
5 24 (57.14%) Windows Server 2012
5 24 (57.14%) Configuration Management
5 24 (57.14%) Web Services
5 24 (57.14%) Fedora
6 22 (52.38%) Bash Shell
7 19 (45.24%) HTTP
8 18 (42.86%) TCP/IP
9 16 (38.10%) Java
9 16 (38.10%) Apache
9 16 (38.10%) Python
9 16 (38.10%) FreeBSD
9 16 (38.10%) MS Excel
9 16 (38.10%) Microsoft
9 16 (38.10%) Continuous Integration
9 16 (38.10%) Postfix
9 16 (38.10%) Ruby
9 16 (38.10%) VMware
9 16 (38.10%) Jenkins
9 16 (38.10%) Ansible
9 16 (38.10%) DevOps
10 11 (26.19%) Cisco
10 11 (26.19%) DNS
11 10 (23.81%) Information Security

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 16 (38.10%) Apache
2 8 (19.05%) nginx
Applications
1 16 (38.10%) MS Excel
Cloud Services
1 26 (61.90%) Amazon AWS
2 2 (4.76%) Google Cloud Platform
2 2 (4.76%) Microsoft Azure
Communications & Networking
1 19 (45.24%) HTTP
2 18 (42.86%) TCP/IP
3 11 (26.19%) DNS
4 10 (23.81%) VLAN
5 8 (19.05%) FTP
5 8 (19.05%) IPsec
5 8 (19.05%) OpenVPN
5 8 (19.05%) SMTP
5 8 (19.05%) SSH
5 8 (19.05%) Telnet
6 3 (7.14%) HTTPS
6 3 (7.14%) SSL
7 2 (4.76%) LAN
7 2 (4.76%) Network Security
Database & Business Intelligence
1 8 (19.05%) Apache Cassandra
1 8 (19.05%) Couchbase
1 8 (19.05%) MySQL
1 8 (19.05%) PostgreSQL
Development Applications
1 16 (38.10%) Jenkins
General
1 8 (19.05%) French Language
Job Titles
1 16 (38.10%) DevOps Engineer
2 10 (23.81%) Infrastructure Manager
3 8 (19.05%) Linux Engineer
3 8 (19.05%) Linux Systems Engineer
3 8 (19.05%) Systems Engineer
4 6 (14.29%) Administrator
4 6 (14.29%) Linux Administrator
4 6 (14.29%) Linux Systems Administrator
4 6 (14.29%) Systems Administrator
5 5 (11.90%) IT Infrastructure Manager
5 5 (11.90%) IT Manager
5 5 (11.90%) Linux Specialist
6 3 (7.14%) Junior
6 3 (7.14%) Junior Linux Systems Administrator
6 3 (7.14%) Junior Systems Administrator
7 2 (4.76%) IT Engineer
7 2 (4.76%) IT Security Engineer
7 2 (4.76%) Security Engineer
7 2 (4.76%) Senior Security Engineer
7 2 (4.76%) Service Manager
Libraries, Frameworks & Software Standards
1 24 (57.14%) Web Services
2 8 (19.05%) LAMP
2 8 (19.05%) LAPP Stack
2 8 (19.05%) LEMP Stack
2 8 (19.05%) PHP-FPM
Miscellaneous
1 2 (4.76%) iPad
Operating Systems
1 42 (100.00%) Linux
2 32 (76.19%) Red Hat Enterprise Linux
3 26 (61.90%) Windows
4 24 (57.14%) Fedora
4 24 (57.14%) Windows Server 2012
5 16 (38.10%) FreeBSD
6 8 (19.05%) Windows Server
7 2 (4.76%) Ubuntu
Processes & Methodologies
1 24 (57.14%) Configuration Management
2 16 (38.10%) Continuous Integration
2 16 (38.10%) DevOps
3 10 (23.81%) Information Security
4 8 (19.05%) ITIL
4 8 (19.05%) Load Balancing
5 3 (7.14%) Network Architecture
6 2 (4.76%) Forensic Analysis
6 2 (4.76%) Penetration Testing
6 2 (4.76%) Security Architecture
Programming Languages
1 32 (76.19%) PHP
2 22 (52.38%) Bash Shell
3 16 (38.10%) Java
3 16 (38.10%) Python
3 16 (38.10%) Ruby
4 8 (19.05%) Shell Script
5 6 (14.29%) Perl
Qualifications
1 8 (19.05%) RHCE
1 8 (19.05%) RHCSA
1 8 (19.05%) VMware Certified Professional (VCP)
2 2 (4.76%) CCNA
2 2 (4.76%) Cisco Certification
Quality Assurance & Compliance
1 10 (23.81%) ISO/IEC 27001
System Software
1 16 (38.10%) Postfix
2 8 (19.05%) pfSense
2 8 (19.05%) Sendmail
2 8 (19.05%) VMware ESX
2 8 (19.05%) VMware ESXi
2 8 (19.05%) VMware Infrastructure
3 2 (4.76%) KVM
Systems Management
1 26 (61.90%) Puppet
2 16 (38.10%) Ansible
Vendors
1 36 (85.71%) Red Hat
2 16 (38.10%) Microsoft
2 16 (38.10%) VMware
3 11 (26.19%) Cisco
4 8 (19.05%) Dell
5 2 (4.76%) Google