Period
to 16 December 2017

The following table provides summary statistics for permanent job vacancies advertised in Cardiff with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 16 December 2017 with a comparison to the same period in the previous 2 years.

Linux
South Wales > Cardiff
6 months to
16 Dec 2017
Same period 2016 Same period 2015
Rank 20 17 17
Rank change year-on-year -3 0 0
Permanent jobs citing Linux 72 158 173
As % of all permanent IT jobs advertised in Cardiff 8.94% 11.79% 11.23%
As % of the Operating Systems category 46.15% 47.45% 48.46%
Number of salaries quoted 63 139 152
Cardiff median annual salary £38,000 £39,500 £37,500
Median salary % change year-on-year -3.80% +5.33% +7.14%
10th Percentile £25,750 £27,000 £22,500
90th Percentile £53,750 £55,000 £51,250
South Wales median annual salary £40,000 £40,000 £36,000
% change year-on-year - +11.11% -1.37%

Linux 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 156 333 357
As % of all permanent IT jobs advertised in Cardiff 19.38% 24.85% 23.18%
Number of salaries quoted 142 303 321
Cardiff median annual salary £35,000 £35,000 £36,000
Median salary % change year-on-year - -2.78% +10.77%
10th Percentile £22,500 £21,600 £21,000
90th Percentile £50,000 £52,500 £50,000
South Wales median annual salary £35,000 £35,000 £35,000

Linux
Job Vacancy Trend in Cardiff

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

Job vacancy trend for Linux in Cardiff

Linux
Salary Trend in Cardiff

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

Salary trend for Linux in Cardiff

Linux
Salary Histogram in Cardiff

The salary distribution of IT jobs citing Linux in Cardiff over the 6 months to 16 December 2017.

Salary histogram for Linux in Cardiff

For the 6 months to 16 December 2017, IT jobs citing Linux 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 Cardiff region with a requirement for Linux.

1 31 (43.06%) Cisco
2 26 (36.11%) Firewall
2 26 (36.11%) VMware
3 23 (31.94%) Unix
3 23 (31.94%) Windows
4 22 (30.56%) VMware Infrastructure
5 20 (27.78%) Amazon AWS
6 19 (26.39%) ITIL
7 18 (25.00%) Microsoft
7 18 (25.00%) VPN
7 18 (25.00%) Microsoft Azure
8 17 (23.61%) Agile Software Development
8 17 (23.61%) Java
8 17 (23.61%) Red Hat
9 16 (22.22%) Finance
10 15 (20.83%) SAN
10 15 (20.83%) PHP
10 15 (20.83%) Active Directory
10 15 (20.83%) DevOps
11 14 (19.44%) JavaScript
12 12 (16.67%) CentOS
13 11 (15.28%) Windows Server
13 11 (15.28%) Continuous Improvement
13 11 (15.28%) TCP/IP
13 11 (15.28%) Python
14 10 (13.89%) LAN
14 10 (13.89%) SLA
14 10 (13.89%) Citrix
14 10 (13.89%) SQL Server
14 10 (13.89%) Avaya

Linux
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 7 (9.72%) Apache
1 7 (9.72%) IIS
2 6 (8.33%) JBoss
3 5 (6.94%) Elasticsearch
4 4 (5.56%) nginx
4 4 (5.56%) Tomcat
5 3 (4.17%) CMS
6 2 (2.78%) Apache Solr
7 1 (1.39%) Exchange Server 2013
7 1 (1.39%) MS Exchange
7 1 (1.39%) SharePoint
Applications
1 3 (4.17%) Microsoft Office
2 2 (2.78%) Microsoft Excel
2 2 (2.78%) Microsoft PowerPoint
3 1 (1.39%) Chatbot
Cloud Services
1 20 (27.78%) Amazon AWS
2 18 (25.00%) Microsoft Azure
3 6 (8.33%) Cloud Computing
3 6 (8.33%) IaaS
3 6 (8.33%) PaaS
3 6 (8.33%) SaaS
4 5 (6.94%) Bluemix
4 5 (6.94%) IBM Cloud
5 2 (2.78%) Google Cloud Platform
5 2 (2.78%) Office 365
Communications & Networking
1 26 (36.11%) Firewall
2 18 (25.00%) VPN
3 15 (20.83%) SAN
4 11 (15.28%) TCP/IP
5 10 (13.89%) LAN
6 9 (12.50%) WAN
6 9 (12.50%) Wi-Fi
7 8 (11.11%) VoIP
7 8 (11.11%) Wireshark
8 7 (9.72%) DHCP
9 6 (8.33%) NetScaler
10 5 (6.94%) Cisco Nexus
10 5 (6.94%) DNS
10 5 (6.94%) Network Security
10 5 (6.94%) SNMP
11 4 (5.56%) BGP
11 4 (5.56%) Ethernet
11 4 (5.56%) H.323
11 4 (5.56%) MPLS
11 4 (5.56%) OSPF
Database & Business Intelligence
1 10 (13.89%) SQL Server
2 9 (12.50%) MongoDB
3 7 (9.72%) MySQL
4 3 (4.17%) NoSQL
5 2 (2.78%) Redis
5 2 (2.78%) Relational Database
5 2 (2.78%) SQL Server 2008
6 1 (1.39%) Big Data
6 1 (1.39%) Couchbase
6 1 (1.39%) HPCC
6 1 (1.39%) Ingres
6 1 (1.39%) PostgreSQL
Development Applications
1 5 (6.94%) Git (software)
2 2 (2.78%) Eclipse
2 2 (2.78%) JMeter
2 2 (2.78%) Selenium
2 2 (2.78%) Xdebug
3 1 (1.39%) GitLab
3 1 (1.39%) IDA Disassembler
3 1 (1.39%) Metasploit
3 1 (1.39%) OllyDbg
3 1 (1.39%) Subversion
3 1 (1.39%) WinDbg
General
1 16 (22.22%) Finance
2 6 (8.33%) Telecoms
3 5 (6.94%) Games
4 2 (2.78%) Law
4 2 (2.78%) Retail
5 1 (1.39%) Manufacturing
5 1 (1.39%) Welsh Language
Job Titles
1 13 (18.06%) Developer
1 13 (18.06%) Support Engineer
2 12 (16.67%) DevOps Engineer
3 10 (13.89%) Linux Engineer
4 8 (11.11%) Infrastructure Engineer
5 7 (9.72%) Cloud Engineer
6 6 (8.33%) Infrastructure Team Leader
6 6 (8.33%) Team Leader
7 5 (6.94%) PHP Developer
8 4 (5.56%) 3rd Line Engineer
8 4 (5.56%) 3rd Line Support
8 4 (5.56%) 3rd Line Support Engineer
8 4 (5.56%) Infrastructure Manager
8 4 (5.56%) Linux DevOps Engineer
8 4 (5.56%) Linux Support
8 4 (5.56%) Linux Support Engineer
8 4 (5.56%) Linux/Unix DevOps
8 4 (5.56%) Network Engineer
8 4 (5.56%) Senior Cloud Engineer
8 4 (5.56%) Telephony Engineer
Libraries, Frameworks & Software Standards
1 8 (11.11%) HTML
2 6 (8.33%) CSS
2 6 (8.33%) Web Services
3 4 (5.56%) HTML5
3 4 (5.56%) RESTful
4 3 (4.17%) jQuery
4 3 (4.17%) Laravel
4 3 (4.17%) REST
5 2 (2.78%) .NET
5 2 (2.78%) 802.1X
5 2 (2.78%) ASP.NET
5 2 (2.78%) CSS3
5 2 (2.78%) Hibernate
5 2 (2.78%) J2EE
5 2 (2.78%) Java EE
5 2 (2.78%) Sass
5 2 (2.78%) SOAP
5 2 (2.78%) Spring
5 2 (2.78%) WebRTC
6 1 (1.39%) Elastic Stack
Miscellaneous
1 8 (11.11%) Data Centre
2 7 (9.72%) Analytical Skills
2 7 (9.72%) Fintech
3 6 (8.33%) Computer Science
4 5 (6.94%) Clustering
5 3 (4.17%) Client/Server
6 2 (2.78%) Cloud Native
6 2 (2.78%) CMDB
6 2 (2.78%) Distributed Denial-of-Service
6 2 (2.78%) Replication
7 1 (1.39%) Driving Licence
7 1 (1.39%) Greenfield Project
7 1 (1.39%) Linux Command Line
7 1 (1.39%) Management Information System
7 1 (1.39%) Public Cloud
7 1 (1.39%) Virtual Team
7 1 (1.39%) Xbox
Operating Systems
1 23 (31.94%) Unix
1 23 (31.94%) Windows
2 12 (16.67%) CentOS
3 11 (15.28%) Windows Server
4 9 (12.50%) Windows Server 2012
5 8 (11.11%) Debian
6 7 (9.72%) Solaris
6 7 (9.72%) Ubuntu
6 7 (9.72%) Windows Server 2008
7 5 (6.94%) Red Hat Enterprise Linux
8 4 (5.56%) Android
9 2 (2.78%) AIX
9 2 (2.78%) Apple iOS
10 1 (1.39%) HPUX
10 1 (1.39%) Kali Linux
10 1 (1.39%) VMS
Processes & Methodologies
1 19 (26.39%) ITIL
2 17 (23.61%) Agile Software Development
3 15 (20.83%) DevOps
4 11 (15.28%) Continuous Improvement
5 8 (11.11%) Configuration Management
5 8 (11.11%) OO
6 7 (9.72%) Disaster Recovery
6 7 (9.72%) Network Monitoring
6 7 (9.72%) Performance Management
7 6 (8.33%) High Availability
7 6 (8.33%) Problem Management
7 6 (8.33%) Service Delivery
7 6 (8.33%) SIEM
8 5 (6.94%) Capacity Planning
8 5 (6.94%) Scrum
9 4 (5.56%) Continuous Integration
9 4 (5.56%) Cryptography
9 4 (5.56%) Load Balancing
9 4 (5.56%) MVC
9 4 (5.56%) Web Development
Programming Languages
1 17 (23.61%) Java
2 15 (20.83%) PHP
3 14 (19.44%) JavaScript
4 11 (15.28%) Python
5 8 (11.11%) Bash Shell
6 7 (9.72%) SQL
7 6 (8.33%) Perl
8 5 (6.94%) C++
9 3 (4.17%) C#
10 2 (2.78%) Objective-C
10 2 (2.78%) PHP 5
10 2 (2.78%) Ruby
11 1 (1.39%) AWK
11 1 (1.39%) C
11 1 (1.39%) Embedded C++
11 1 (1.39%) Erlang
11 1 (1.39%) PowerShell
Qualifications
1 6 (8.33%) Degree
2 4 (5.56%) Computer Science Degree
2 4 (5.56%) ITIL Foundation Certificate
3 3 (4.17%) CCNA
3 3 (4.17%) Cisco Certification
3 3 (4.17%) CREST Certified
4 2 (2.78%) CCNP
4 2 (2.78%) CEH
4 2 (2.78%) OSCP
5 1 (1.39%) Avaya Certification
5 1 (1.39%) CISM
5 1 (1.39%) CISSP
5 1 (1.39%) ITIL Certification
5 1 (1.39%) MCSA
5 1 (1.39%) MCSE
5 1 (1.39%) Microsoft Certification
5 1 (1.39%) PCI QSA
5 1 (1.39%) SANS
Quality Assurance & Compliance
1 10 (13.89%) SLA
2 2 (2.78%) PCI DSS
3 1 (1.39%) GDPR
3 1 (1.39%) ISO/IEC 27001
System Software
1 22 (30.56%) VMware Infrastructure
2 15 (20.83%) Active Directory
3 10 (13.89%) vSphere
4 7 (9.72%) Docker
4 7 (9.72%) VMware ESXi
5 3 (4.17%) Hyper-V
6 2 (2.78%) Firmware
7 1 (1.39%) KVM
7 1 (1.39%) Varnish
7 1 (1.39%) Virtual Machines
Systems Management
1 10 (13.89%) Opscode Chef
1 10 (13.89%) Puppet
2 8 (11.11%) Ansible
3 5 (6.94%) Systems Management Server (SMS)
4 3 (4.17%) Cisco CUCM
5 2 (2.78%) Kubernetes
5 2 (2.78%) Nessus
5 2 (2.78%) NetBackup
5 2 (2.78%) Nmap
6 1 (1.39%) Cuckoo Sandbox
6 1 (1.39%) Nagios
6 1 (1.39%) ServiceCenter
Vendors
1 31 (43.06%) Cisco
2 26 (36.11%) VMware
3 18 (25.00%) Microsoft
4 17 (23.61%) Red Hat
5 10 (13.89%) Avaya
5 10 (13.89%) Citrix
6 7 (9.72%) CheckPoint
6 7 (9.72%) F5
7 6 (8.33%) Juniper
8 5 (6.94%) AppDynamics
8 5 (6.94%) Splunk
8 5 (6.94%) Vyatta
9 3 (4.17%) Oracle
10 2 (2.78%) Brocade
10 2 (2.78%) EMC
10 2 (2.78%) Google
10 2 (2.78%) Nimble Storage
10 2 (2.78%) Qualys
10 2 (2.78%) SonicWALL
10 2 (2.78%) Veritas