Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Southampton with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Hampshire > Southampton
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 113 48 107
Rank change year-on-year -65 +59 +19
Permanent jobs citing CentOS 6 68 15
As % of all permanent IT jobs advertised in Southampton 0.41% 5.03% 1.08%
As % of the Operating Systems category 1.26% 13.63% 3.41%
Number of salaries quoted 6 68 15
Southampton median annual salary £40,000 £45,000 £32,500
Median salary % change year-on-year -11.11% +38.46% +35.42%
10th Percentile £34,375 £32,500 £23,200
90th Percentile £52,500 £52,500 £51,000
Hampshire median annual salary £40,000 £47,500 £42,500
% change year-on-year -15.79% +11.76% -

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Southampton with a requirement for operating system skills.

All Operating Systems
Southampton
Permanent vacancies with a requirement for operating system skills 478 499 440
As % of all permanent IT jobs advertised in Southampton 32.56% 36.88% 31.81%
Number of salaries quoted 431 471 407
Southampton median annual salary £35,000 £40,000 £37,500
Median salary % change year-on-year -12.50% +6.67% +15.38%
10th Percentile £20,000 £24,750 £20,000
90th Percentile £53,750 £52,500 £54,250
Hampshire median annual salary £39,500 £40,000 £38,500
% change year-on-year -1.25% +3.90% -

CentOS
Job Vacancy Trend in Southampton

Job postings citing CentOS as a percentage of all IT jobs advertised in Southampton.

Job vacancy trend for CentOS in Southampton

CentOS
Salary Trend in Southampton

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

Salary trend for CentOS in Southampton

CentOS
Salary Histogram in Southampton

The salary distribution of IT jobs citing CentOS in Southampton over the 6 months to 24 November 2017.

Salary histogram for CentOS in Southampton

For the 6 months to 24 November 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 6 (100.00%) Linux
2 5 (83.33%) PHP
2 5 (83.33%) TCP/IP
2 5 (83.33%) Red Hat
2 5 (83.33%) LAMP
2 5 (83.33%) Fedora
2 5 (83.33%) Load Balancing
3 4 (66.67%) VMware Infrastructure
3 4 (66.67%) VMware
3 4 (66.67%) ITIL
4 3 (50.00%) MySQL
4 3 (50.00%) Apache
4 3 (50.00%) SMTP
4 3 (50.00%) Windows
4 3 (50.00%) FTP
4 3 (50.00%) Telnet
4 3 (50.00%) SSH
4 3 (50.00%) VMware Certified Professional (VCP)
4 3 (50.00%) RHCE
4 3 (50.00%) DNS
4 3 (50.00%) Microsoft
4 3 (50.00%) French Language
4 3 (50.00%) nginx
4 3 (50.00%) Microsoft Azure
4 3 (50.00%) VMware ESXi
4 3 (50.00%) Postfix
4 3 (50.00%) Sendmail
4 3 (50.00%) RHCSA
4 3 (50.00%) LEMP Stack
5 2 (33.33%) git-flow

CentOS
Co-occurring 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 3 (50.00%) Apache
1 3 (50.00%) nginx
Cloud Services
1 3 (50.00%) Microsoft Azure
2 2 (33.33%) Amazon AWS
2 2 (33.33%) Google Cloud Platform
3 1 (16.67%) Office 365
Communications & Networking
1 5 (83.33%) TCP/IP
2 3 (50.00%) DNS
2 3 (50.00%) FTP
2 3 (50.00%) SMTP
2 3 (50.00%) SSH
2 3 (50.00%) Telnet
3 1 (16.67%) Firewall
Database & Business Intelligence
1 3 (50.00%) MySQL
2 2 (33.33%) NoSQL
3 1 (16.67%) SQL Server
Development Applications
1 2 (33.33%) Git (software)
1 2 (33.33%) git-flow
1 2 (33.33%) Jenkins
General
1 3 (50.00%) French Language
Job Titles
1 3 (50.00%) Linux Engineer
1 3 (50.00%) Linux Systems Engineer
1 3 (50.00%) Systems Engineer
2 2 (33.33%) DevOps Engineer
3 1 (16.67%) 3rd Line Engineer
Libraries, Frameworks & Software Standards
1 5 (83.33%) LAMP
2 3 (50.00%) LEMP Stack
3 2 (33.33%) Elastic Stack
Operating Systems
1 6 (100.00%) Linux
2 5 (83.33%) Fedora
3 3 (50.00%) Windows
4 2 (33.33%) FreeBSD
4 2 (33.33%) Red Hat Enterprise Linux
4 2 (33.33%) Windows Server 2012
5 1 (16.67%) Windows Server
Processes & Methodologies
1 5 (83.33%) Load Balancing
2 4 (66.67%) ITIL
3 2 (33.33%) Configuration Management
3 2 (33.33%) DevOps
4 1 (16.67%) ITIL V2
4 1 (16.67%) Proactive Monitoring
Programming Languages
1 5 (83.33%) PHP
2 2 (33.33%) Bash Shell
2 2 (33.33%) Go
2 2 (33.33%) Java
2 2 (33.33%) Perl
2 2 (33.33%) Python
2 2 (33.33%) Ruby
2 2 (33.33%) SQL
Qualifications
1 3 (50.00%) RHCE
1 3 (50.00%) RHCSA
1 3 (50.00%) VMware Certified Professional (VCP)
2 1 (16.67%) MCP
2 1 (16.67%) Microsoft Certification
Quality Assurance & Compliance
1 2 (33.33%) GCP
2 1 (16.67%) SLA
System Software
1 4 (66.67%) VMware Infrastructure
2 3 (50.00%) Postfix
2 3 (50.00%) Sendmail
2 3 (50.00%) VMware ESXi
Systems Management
1 2 (33.33%) Opscode Chef
1 2 (33.33%) Puppet
Vendors
1 5 (83.33%) Red Hat
2 4 (66.67%) VMware
3 3 (50.00%) Microsoft
4 1 (16.67%) Apple
4 1 (16.67%) Symantec
4 1 (16.67%) Veeam