Period
to 22 July 2019

The following table provides summary statistics for permanent job vacancies advertised in Cardiff 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 22 July 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
South Wales > Cardiff
6 months to
22 Jul 2019
Same period 2018 Same period 2017
Rank 81 77 76
Rank change year-on-year -4 -1 +17
Permanent jobs citing CentOS 15 13 14
As % of all permanent IT jobs advertised in Cardiff 1.40% 1.31% 1.34%
As % of the Operating Systems category 7.25% 6.91% 6.22%
Number of salaries quoted 15 10 8
Cardiff median annual salary £45,000 £43,250 £33,750
Median salary % change year-on-year +4.05% +28.15% -3.57%
10th Percentile £31,400 £37,500 £22,350
90th Percentile £48,250 £65,000 £57,356
South Wales median annual salary £45,000 £44,000 £37,500
% change year-on-year +2.27% +17.33% -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 Cardiff with a requirement for operating system skills.

All Operating Systems
Cardiff
Permanent vacancies with a requirement for operating system skills 207 188 225
As % of all permanent IT jobs advertised in Cardiff 19.33% 18.91% 21.51%
Number of salaries quoted 172 168 204
Cardiff median annual salary £38,500 £32,870 £35,000
Median salary % change year-on-year +17.13% -6.09% -6.04%
10th Percentile £22,000 £20,850 £22,500
90th Percentile £55,875 £51,250 £60,000
South Wales median annual salary £38,500 £38,500 £35,000
% change year-on-year - +10.00% -1.44%

CentOS
Job Vacancy Trend in Cardiff

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

Job vacancy trend for CentOS in Cardiff

CentOS
Salary Trend in Cardiff

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

Salary trend for CentOS in Cardiff

CentOS
Salary Histogram in Cardiff

The salary distribution of IT jobs citing CentOS in Cardiff over the 6 months to 22 July 2019.

Salary histogram for CentOS in Cardiff

For the 6 months to 22 July 2019, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Cardiff region with a requirement for CentOS.

1 15 (100.00%) Linux
2 14 (93.33%) Red Hat
3 10 (66.67%) Infrastructure Engineering
4 9 (60.00%) Storage Management
4 9 (60.00%) Private Cloud
4 9 (60.00%) Enterprise Cloud
4 9 (60.00%) IBM
4 9 (60.00%) ISO 9000
4 9 (60.00%) Unix
4 9 (60.00%) AIX
4 9 (60.00%) ISO/IEC 27001
4 9 (60.00%) Red Hat Enterprise Linux
5 3 (20.00%) Amazon AWS
5 3 (20.00%) DevOps
6 2 (13.33%) VoIP
6 2 (13.33%) Ansible
6 2 (13.33%) Root Cause Analysis
6 2 (13.33%) Git (software)
6 2 (13.33%) Wireshark
6 2 (13.33%) LAMP
6 2 (13.33%) SUSE
6 2 (13.33%) Python
6 2 (13.33%) PHP
6 2 (13.33%) Firewall
6 2 (13.33%) RTP
6 2 (13.33%) Terraform
6 2 (13.33%) Problem-Solving
6 2 (13.33%) Deployment Automation
7 1 (6.67%) Customer Acquisition
7 1 (6.67%) Self-Motivation

CentOS
Co-occurring IT Skills in Cardiff 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 1 (6.67%) Apache
Applications
1 1 (6.67%) Microsoft Office
Cloud Services
1 3 (20.00%) Amazon AWS
2 1 (6.67%) Microsoft Azure
Communications & Networking
1 2 (13.33%) Firewall
1 2 (13.33%) RTP
1 2 (13.33%) VoIP
1 2 (13.33%) Wireshark
2 1 (6.67%) Ethernet
2 1 (6.67%) FTP
2 1 (6.67%) MPLS
2 1 (6.67%) Network Security
2 1 (6.67%) PBX
2 1 (6.67%) TCP/IP
2 1 (6.67%) VLAN
Database & Business Intelligence
1 1 (6.67%) MySQL
Development Applications
1 2 (13.33%) Git (software)
2 1 (6.67%) Jenkins
2 1 (6.67%) Vagrant
Job Titles
1 9 (60.00%) AIX Consultant
1 9 (60.00%) AIX Support
1 9 (60.00%) Consultant
1 9 (60.00%) Linux Consultant
1 9 (60.00%) Linux Support
1 9 (60.00%) Support Consultant
1 9 (60.00%) Technical Consultant
1 9 (60.00%) Technical Support
1 9 (60.00%) Technical Support Consultant
2 2 (13.33%) DevOps Engineer
3 1 (6.67%) Developer
3 1 (6.67%) Infrastructure Engineer
3 1 (6.67%) IT Engineer
3 1 (6.67%) IT Support
3 1 (6.67%) IT Support Engineer
3 1 (6.67%) Linux Engineer
3 1 (6.67%) Linux Infrastructure Engineer
3 1 (6.67%) PHP Developer
3 1 (6.67%) Support Engineer
3 1 (6.67%) VoIP Engineer
Libraries, Frameworks & Software Standards
1 2 (13.33%) LAMP
2 1 (6.67%) Ajax
2 1 (6.67%) CSS
2 1 (6.67%) HTML
2 1 (6.67%) jQuery
Miscellaneous
1 9 (60.00%) Enterprise Cloud
1 9 (60.00%) Private Cloud
2 1 (6.67%) Self-Motivation
2 1 (6.67%) Wiki
Operating Systems
1 15 (100.00%) Linux
2 9 (60.00%) AIX
2 9 (60.00%) Red Hat Enterprise Linux
2 9 (60.00%) Unix
3 2 (13.33%) SUSE
4 1 (6.67%) Debian
Processes & Methodologies
1 10 (66.67%) Infrastructure Engineering
2 9 (60.00%) Storage Management
3 3 (20.00%) DevOps
4 2 (13.33%) Deployment Automation
4 2 (13.33%) Problem-Solving
4 2 (13.33%) Root Cause Analysis
5 1 (6.67%) Agile Software Development
5 1 (6.67%) Continuous Integration
5 1 (6.67%) Customer Acquisition
5 1 (6.67%) ITIL
5 1 (6.67%) MVC
5 1 (6.67%) OO
5 1 (6.67%) OOP
5 1 (6.67%) Risk Assessment
5 1 (6.67%) Workflow
Programming Languages
1 2 (13.33%) PHP
1 2 (13.33%) Python
2 1 (6.67%) Bash Shell
2 1 (6.67%) C
2 1 (6.67%) JavaScript
2 1 (6.67%) Perl
2 1 (6.67%) Ruby
Quality Assurance & Compliance
1 9 (60.00%) ISO 9000
1 9 (60.00%) ISO/IEC 27001
2 1 (6.67%) SLA
System Software
1 1 (6.67%) Docker
1 1 (6.67%) KVM
Systems Management
1 2 (13.33%) Ansible
1 2 (13.33%) Terraform
Vendors
1 14 (93.33%) Red Hat
2 9 (60.00%) IBM
3 1 (6.67%) Microsoft