Period
to 20 September 2018

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 20 September 2018 with a comparison to the same period in the previous 2 years.

Linux
South Wales > Cardiff
6 months to
20 Sep 2018
Same period 2017 Same period 2016
Rank 14 19 14
Rank change year-on-year +5 -5 +4
Permanent jobs citing Linux 111 97 165
As % of all permanent IT jobs advertised in Cardiff 10.12% 10.80% 12.15%
As % of the Operating Systems category 46.84% 54.80% 48.53%
Number of salaries quoted 94 87 141
Cardiff median annual salary £40,000 £37,500 £40,000
Median salary % change year-on-year +6.67% -6.25% +6.67%
10th Percentile £30,000 £27,200 £25,000
90th Percentile £61,250 £60,000 £53,750
South Wales median annual salary £41,250 £37,500 £40,000
% change year-on-year +10.00% -6.25% +11.11%

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 237 177 340
As % of all permanent IT jobs advertised in Cardiff 21.60% 19.71% 25.04%
Number of salaries quoted 209 163 297
Cardiff median annual salary £35,000 £35,500 £36,378
Median salary % change year-on-year -1.41% -2.41% +1.05%
10th Percentile £22,000 £23,000 £22,150
90th Percentile £56,250 £54,080 £50,000
South Wales median annual salary £38,500 £34,250 £36,739
% change year-on-year +12.41% -6.77% +2.05%

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 20 September 2018.

Salary histogram for Linux in Cardiff

For the 6 months to 20 September 2018, IT jobs citing Linux 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 Linux.

1 34 (30.63%) Red Hat
2 32 (28.83%) DevOps
3 31 (27.93%) VMware
4 30 (27.03%) SQL
4 30 (27.03%) Unix
4 30 (27.03%) Windows
5 28 (25.23%) Python
6 25 (22.52%) Amazon AWS
6 25 (22.52%) Ansible
7 24 (21.62%) DNS
8 22 (19.82%) Windows Server
8 22 (19.82%) Infrastructure Engineering
9 21 (18.92%) Microsoft Azure
10 20 (18.02%) Red Hat Enterprise Linux
11 19 (17.12%) Java
11 19 (17.12%) Firewall
12 18 (16.22%) Git (software)
12 18 (16.22%) Jenkins
13 16 (14.41%) CentOS
13 16 (14.41%) REST
13 16 (14.41%) Problem-Solving
14 15 (13.51%) Docker
14 15 (13.51%) MySQL
14 15 (13.51%) Microsoft
14 15 (13.51%) VMware Infrastructure
15 14 (12.61%) Continuous Integration
15 14 (12.61%) Windows Server 2008
15 14 (12.61%) PHP
16 13 (11.71%) HTML
16 13 (11.71%) CSS

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 11 (9.91%) JBoss
2 9 (8.11%) MS Exchange
2 9 (8.11%) Tomcat
3 7 (6.31%) Apache
3 7 (6.31%) WebLogic
4 5 (4.50%) Elasticsearch
5 4 (3.60%) Exchange Server 2010
5 4 (3.60%) IIS
5 4 (3.60%) WebSphere
6 3 (2.70%) CICS
6 3 (2.70%) CMS
6 3 (2.70%) Drupal
6 3 (2.70%) OpenStack
7 2 (1.80%) Confluence
7 2 (1.80%) nginx
7 2 (1.80%) Skype for Business
8 1 (0.90%) Apache Solr
8 1 (0.90%) Exchange Server 2013
8 1 (0.90%) Jetty
8 1 (0.90%) WordPress
Applications
1 6 (5.41%) Microsoft Office
2 4 (3.60%) EngageOne
Business Applications
1 4 (3.60%) Staffware
2 1 (0.90%) Magento
2 1 (0.90%) Oracle EBS
2 1 (0.90%) Shopify
Cloud Services
1 25 (22.52%) Amazon AWS
2 21 (18.92%) Microsoft Azure
3 7 (6.31%) Google Cloud Platform
4 6 (5.41%) Stackdriver
5 4 (3.60%) Cloud Computing
5 4 (3.60%) Office 365
6 3 (2.70%) Amazon CloudWatch
6 3 (2.70%) PaaS
7 1 (0.90%) Amazon EC2
7 1 (0.90%) Amazon S3
7 1 (0.90%) G Suite
7 1 (0.90%) IaaS
7 1 (0.90%) Route 53
7 1 (0.90%) SaaS
Communications & Networking
1 24 (21.62%) DNS
2 19 (17.12%) Firewall
3 13 (11.71%) HTTP
4 12 (10.81%) DHCP
4 12 (10.81%) TCP/IP
5 9 (8.11%) Wireshark
6 6 (5.41%) SAN
6 6 (5.41%) VoIP
7 5 (4.50%) SMS
8 4 (3.60%) VPN
9 3 (2.70%) Internet
9 3 (2.70%) RTP
9 3 (2.70%) SSL
10 2 (1.80%) IPsec
10 2 (1.80%) LAN
10 2 (1.80%) Skype
10 2 (1.80%) SSH
10 2 (1.80%) VLAN
10 2 (1.80%) WAN
10 2 (1.80%) Wi-Fi
Database & Business Intelligence
1 15 (13.51%) MySQL
2 8 (7.21%) MongoDB
2 8 (7.21%) SQL Server
3 6 (5.41%) Data Warehouse
4 5 (4.50%) Apache Cassandra
5 4 (3.60%) BusinessObjects
5 4 (3.60%) GIS
5 4 (3.60%) MariaDB
5 4 (3.60%) NoSQL
5 4 (3.60%) Relational Database
6 3 (2.70%) Oracle Database
6 3 (2.70%) PostgreSQL
6 3 (2.70%) Redis
7 2 (1.80%) Big Data
7 2 (1.80%) Cosmos DB
7 2 (1.80%) HBase
7 2 (1.80%) SQL Server 2016
8 1 (0.90%) Amazon RDS
8 1 (0.90%) Pentaho
8 1 (0.90%) RDBMS
Development Applications
1 18 (16.22%) Git (software)
1 18 (16.22%) Jenkins
2 10 (9.01%) Maven
3 7 (6.31%) Sonatype Nexus
4 6 (5.41%) CF BOSH
4 6 (5.41%) JMeter
5 5 (4.50%) Atlassian Bamboo
5 5 (4.50%) Gatling
5 5 (4.50%) Rational DOORS
5 5 (4.50%) Rational Quality Manager
5 5 (4.50%) Rational Team Concert
6 4 (3.60%) JIRA
7 3 (2.70%) Bitbucket
8 2 (1.80%) Ant
8 2 (1.80%) JUnit
8 2 (1.80%) Octopus Deploy
8 2 (1.80%) Selenium
8 2 (1.80%) Team Foundation Server
8 2 (1.80%) TeamCity
9 1 (0.90%) Oracle Forms
General
1 11 (9.91%) Finance
2 2 (1.80%) Games
2 2 (1.80%) Telecoms
3 1 (0.90%) Advertising
3 1 (0.90%) Billing
3 1 (0.90%) Electronics
3 1 (0.90%) Manufacturing
Job Titles
1 20 (18.02%) DevOps Engineer
2 18 (16.22%) Developer
3 17 (15.32%) Infrastructure Engineer
4 16 (14.41%) Administrator
5 15 (13.51%) Systems Administrator
6 14 (12.61%) Cloud Engineer
7 13 (11.71%) Linux Engineer
8 12 (10.81%) Support Engineer
9 8 (7.21%) Systems Engineer
10 7 (6.31%) Linux Infrastructure Engineer
10 7 (6.31%) Systems Support
10 7 (6.31%) Systems Support Engineer
11 6 (5.41%) Senior Developer
11 6 (5.41%) Test Engineer
11 6 (5.41%) Unix Engineer
11 6 (5.41%) Unix Infrastructure Engineer
12 5 (4.50%) DevOps Administrator
12 5 (4.50%) Java Engineer
12 5 (4.50%) PHP Developer
12 5 (4.50%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 16 (14.41%) REST
2 13 (11.71%) CSS
2 13 (11.71%) HTML
3 10 (9.01%) Web Services
4 9 (8.11%) SOAP
5 8 (7.21%) Java EE
6 7 (6.31%) Spring
7 6 (5.41%) Middleware
7 6 (5.41%) Node.js
8 5 (4.50%) AngularJS
8 5 (4.50%) jQuery
8 5 (4.50%) JSON
8 5 (4.50%) LAMP
8 5 (4.50%) Laravel
8 5 (4.50%) XML
9 4 (3.60%) Ajax
9 4 (3.60%) Hibernate
10 3 (2.70%) React
10 3 (2.70%) Swagger
11 2 (1.80%) Spring Boot
Miscellaneous
1 8 (7.21%) User Experience
2 6 (5.41%) Cloud Native
2 6 (5.41%) Greenfield Project
3 5 (4.50%) Analytical Skills
4 4 (3.60%) CMDB
4 4 (3.60%) Fintech
5 3 (2.70%) Linux Command Line
6 2 (1.80%) CAN bus
7 1 (0.90%) Algorithms
7 1 (0.90%) CESG
7 1 (0.90%) Computer Science
7 1 (0.90%) Driving Licence
7 1 (0.90%) PKI
7 1 (0.90%) Replication
7 1 (0.90%) Security Operations Centre
7 1 (0.90%) Virtual Team
7 1 (0.90%) Wiki
Operating Systems
1 30 (27.03%) Unix
1 30 (27.03%) Windows
2 22 (19.82%) Windows Server
3 20 (18.02%) Red Hat Enterprise Linux
4 16 (14.41%) CentOS
5 14 (12.61%) Windows Server 2008
6 12 (10.81%) Ubuntu
6 12 (10.81%) Windows Server 2012
7 10 (9.01%) Solaris
8 4 (3.60%) Android
8 4 (3.60%) Apple iOS
9 3 (2.70%) Embedded Linux
9 3 (2.70%) SUSE
10 1 (0.90%) Debian
10 1 (0.90%) Mac OS X
Processes & Methodologies
1 32 (28.83%) DevOps
2 22 (19.82%) Infrastructure Engineering
3 16 (14.41%) Problem-Solving
4 14 (12.61%) Continuous Integration
5 13 (11.71%) Agile Software Development
6 12 (10.81%) Root Cause Analysis
7 10 (9.01%) Scrum
8 7 (6.31%) Microservices
9 6 (5.41%) Change Management
9 6 (5.41%) Deployment Automation
9 6 (5.41%) Proactive Monitoring
9 6 (5.41%) Site Reliability Engineering
9 6 (5.41%) Test Automation
10 5 (4.50%) Configuration Management
10 5 (4.50%) Mentoring
10 5 (4.50%) Software Engineering
10 5 (4.50%) TDD
10 5 (4.50%) Web Development
10 5 (4.50%) Web Operations
11 4 (3.60%) Android Development
Programming Languages
1 30 (27.03%) SQL
2 28 (25.23%) Python
3 19 (17.12%) Java
4 14 (12.61%) PHP
5 13 (11.71%) PowerShell
5 13 (11.71%) Shell Script
6 12 (10.81%) Bash Shell
7 9 (8.11%) JavaScript
8 8 (7.21%) C#
9 6 (5.41%) Groovy
10 4 (3.60%) PL/SQL
11 3 (2.70%) C
11 3 (2.70%) Embedded C
12 2 (1.80%) Scala
13 1 (0.90%) C++
13 1 (0.90%) Embedded C++
13 1 (0.90%) Java 8
13 1 (0.90%) Perl
13 1 (0.90%) PHP 5
13 1 (0.90%) Ruby
Qualifications
1 10 (9.01%) Degree
2 8 (7.21%) Security Cleared
3 6 (5.41%) SC Cleared
4 2 (1.80%) HND
4 2 (1.80%) MCSA
4 2 (1.80%) Microsoft Certification
5 1 (0.90%) AWS Certification
5 1 (0.90%) CCNA
5 1 (0.90%) CISA
5 1 (0.90%) Cisco Certification
5 1 (0.90%) Computer Science Degree
5 1 (0.90%) ITIL Certification
5 1 (0.90%) Oracle Certification
Quality Assurance & Compliance
1 1 (0.90%) GDPR
1 1 (0.90%) QA
1 1 (0.90%) SLA
System Software
1 15 (13.51%) Docker
1 15 (13.51%) VMware Infrastructure
2 8 (7.21%) Active Directory
3 4 (3.60%) vSphere
4 3 (2.70%) XenApp
5 2 (1.80%) KVM
5 2 (1.80%) Oracle RAC
5 2 (1.80%) Xen
6 1 (0.90%) Apache Flume
6 1 (0.90%) iptables
6 1 (0.90%) Postfix
6 1 (0.90%) Varnish
Systems Management
1 25 (22.52%) Ansible
2 11 (9.91%) Puppet
3 10 (9.01%) Opscode Chef
4 6 (5.41%) Terraform
5 5 (4.50%) Kubernetes
6 4 (3.60%) Nagios
7 3 (2.70%) Backup Exec
7 3 (2.70%) Salt
8 2 (1.80%) Data Guard
8 2 (1.80%) HAProxy
9 1 (0.90%) Graphite
9 1 (0.90%) Pingdom
9 1 (0.90%) QRadar
9 1 (0.90%) Systems Management Server (SMS)
9 1 (0.90%) ZABBIX
Vendors
1 34 (30.63%) Red Hat
2 31 (27.93%) VMware
3 15 (13.51%) Microsoft
4 11 (9.91%) Google
5 8 (7.21%) EMC
6 7 (6.31%) NetApp
6 7 (6.31%) Splunk
7 6 (5.41%) Cisco
7 6 (5.41%) Oracle
8 5 (4.50%) Citrix
8 5 (4.50%) IBM
9 4 (3.60%) Apple
9 4 (3.60%) ESRI
9 4 (3.60%) TIBCO
10 3 (2.70%) Avaya
10 3 (2.70%) CheckPoint
10 3 (2.70%) Dell
10 3 (2.70%) Sophos
10 3 (2.70%) Symantec
10 3 (2.70%) Veeam