Period
to 17 October 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 17 October 2017 with a comparison to the same period in the previous 2 years.

Linux
South Wales > Cardiff
6 months to
17 Oct 2017
Same period 2016 Same period 2015
Rank 16 16 17
Rank change year-on-year 0 +1 -2
Permanent jobs citing Linux 90 167 181
As % of all permanent IT jobs advertised in Cardiff 10.71% 12.12% 11.26%
As % of the Operating Systems category 55.90% 48.13% 45.02%
Number of salaries quoted 82 144 157
Cardiff median annual salary £38,000 £40,000 £37,500
Median salary % change year-on-year -5.00% +6.67% +7.14%
10th Percentile £27,530 £25,000 £22,500
90th Percentile £60,000 £53,750 £51,250
South Wales median annual salary £37,500 £39,500 £36,000
% change year-on-year -5.06% +9.72% +2.86%

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 161 347 402
As % of all permanent IT jobs advertised in Cardiff 19.17% 25.18% 25.02%
Number of salaries quoted 149 307 342
Cardiff median annual salary £36,000 £35,000 £35,750
Median salary % change year-on-year +2.86% -2.10% +8.33%
10th Percentile £22,900 £22,000 £21,025
90th Percentile £53,750 £50,000 £50,000
South Wales median annual salary £34,625 £35,255 £35,000
% change year-on-year -1.79% +0.73% +4.48%

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 17 October 2017.

Salary histogram for Linux in Cardiff

For the 6 months to 17 October 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 33 (36.67%) Windows
2 32 (35.56%) Cisco
3 30 (33.33%) Amazon AWS
4 26 (28.89%) Agile Software Development
4 26 (28.89%) DevOps
5 25 (27.78%) Unix
5 25 (27.78%) PHP
5 25 (27.78%) Firewall
6 24 (26.67%) Java
7 23 (25.56%) ITIL
7 23 (25.56%) VPN
7 23 (25.56%) VMware
8 20 (22.22%) Red Hat
9 19 (21.11%) OO
9 19 (21.11%) VMware Infrastructure
10 18 (20.00%) Microsoft Azure
10 18 (20.00%) JavaScript
11 17 (18.89%) SLA
11 17 (18.89%) Opscode Chef
11 17 (18.89%) Puppet
12 16 (17.78%) Finance
13 15 (16.67%) SAN
13 15 (16.67%) Python
13 15 (16.67%) Windows Server
14 14 (15.56%) Microsoft
14 14 (15.56%) Configuration Management
15 13 (14.44%) TCP/IP
15 13 (14.44%) Bash Shell
15 13 (14.44%) CentOS
16 12 (13.33%) Active Directory

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 (7.78%) Elasticsearch
1 7 (7.78%) IIS
2 6 (6.67%) CMS
2 6 (6.67%) JBoss
2 6 (6.67%) Tomcat
3 5 (5.56%) Apache
4 3 (3.33%) WordPress
5 2 (2.22%) Apache Solr
5 2 (2.22%) nginx
5 2 (2.22%) Oracle SOA Suite
6 1 (1.11%) Apache Spark
6 1 (1.11%) Drupal
6 1 (1.11%) Exchange Server 2013
6 1 (1.11%) MS Exchange
6 1 (1.11%) SharePoint
Applications
1 5 (5.56%) Microsoft Office
2 2 (2.22%) Microsoft Excel
2 2 (2.22%) Microsoft PowerPoint
3 1 (1.11%) Chatbot
Business Applications
1 1 (1.11%) Magento
Cloud Services
1 30 (33.33%) Amazon AWS
2 18 (20.00%) Microsoft Azure
3 8 (8.89%) SaaS
4 7 (7.78%) PaaS
5 6 (6.67%) IaaS
6 5 (5.56%) Bluemix
6 5 (5.56%) Cloud Computing
6 5 (5.56%) IBM Cloud
7 3 (3.33%) Office 365
8 2 (2.22%) Amazon EC2
9 1 (1.11%) Amazon CloudWatch
9 1 (1.11%) Amazon S3
9 1 (1.11%) AWS OpsWorks
9 1 (1.11%) CloudFront
Communications & Networking
1 25 (27.78%) Firewall
2 23 (25.56%) VPN
3 15 (16.67%) SAN
4 13 (14.44%) TCP/IP
5 10 (11.11%) DHCP
5 10 (11.11%) VoIP
6 9 (10.00%) DNS
6 9 (10.00%) Wi-Fi
7 8 (8.89%) LAN
8 7 (7.78%) WAN
8 7 (7.78%) Wireshark
9 6 (6.67%) Cisco Nexus
9 6 (6.67%) Ethernet
9 6 (6.67%) SNMP
10 5 (5.56%) BGP
10 5 (5.56%) NetScaler
10 5 (5.56%) OSPF
11 4 (4.44%) Cisco ASA
11 4 (4.44%) Network Security
11 4 (4.44%) VLAN
Database & Business Intelligence
1 11 (12.22%) MySQL
1 11 (12.22%) SQL Server
2 10 (11.11%) MongoDB
3 6 (6.67%) NoSQL
4 3 (3.33%) PostgreSQL
5 2 (2.22%) Big Data
5 2 (2.22%) Relational Database
5 2 (2.22%) SQL Server 2008
6 1 (1.11%) Amazon DynamoDB
6 1 (1.11%) Amazon RDS
6 1 (1.11%) Amazon Redshift
6 1 (1.11%) Couchbase
6 1 (1.11%) DB2
6 1 (1.11%) Hadoop
6 1 (1.11%) HPCC
6 1 (1.11%) Ingres
6 1 (1.11%) Oracle Database
6 1 (1.11%) Redis
6 1 (1.11%) SAP HANA
6 1 (1.11%) Sybase ASE
Development Applications
1 5 (5.56%) Git (software)
2 3 (3.33%) Selenium
3 2 (2.22%) Bitbucket
3 2 (2.22%) Eclipse
4 1 (1.11%) GitLab
4 1 (1.11%) JMeter
4 1 (1.11%) Subversion
4 1 (1.11%) Xdebug
General
1 16 (17.78%) Finance
2 12 (13.33%) Games
3 8 (8.89%) Telecoms
4 3 (3.33%) Welsh Language
5 2 (2.22%) Law
5 2 (2.22%) Retail
6 1 (1.11%) Advertising
6 1 (1.11%) Financial Institution
6 1 (1.11%) Manufacturing
Job Titles
1 20 (22.22%) DevOps Engineer
2 18 (20.00%) Developer
3 14 (15.56%) Support Engineer
4 9 (10.00%) Linux Engineer
5 8 (8.89%) Infrastructure Engineer
5 8 (8.89%) Java Developer
6 6 (6.67%) Cloud Engineer
6 6 (6.67%) Infrastructure Team Leader
6 6 (6.67%) Software Engineer
6 6 (6.67%) Team Leader
7 5 (5.56%) Network Engineer
8 4 (4.44%) 3rd Line Support
8 4 (4.44%) Linux Support Engineer
8 4 (4.44%) NOC Engineer
8 4 (4.44%) PHP Developer
8 4 (4.44%) Senior Cloud Engineer
8 4 (4.44%) Senior Network Engineer
8 4 (4.44%) Senior Support Engineer
8 4 (4.44%) Systems Developer
8 4 (4.44%) Telephony Engineer
Libraries, Frameworks & Software Standards
1 12 (13.33%) HTML
1 12 (13.33%) Web Services
2 8 (8.89%) CSS
2 8 (8.89%) HTML5
3 7 (7.78%) .NET
4 6 (6.67%) AngularJS
5 5 (5.56%) REST
6 4 (4.44%) ASP.NET
6 4 (4.44%) CSS3
6 4 (4.44%) Hibernate
6 4 (4.44%) Spring
7 3 (3.33%) Sass
7 3 (3.33%) SOAP
8 2 (2.22%) CakePHP
8 2 (2.22%) Java EE
8 2 (2.22%) jQuery
8 2 (2.22%) JSON
8 2 (2.22%) LAMP
8 2 (2.22%) Middleware
8 2 (2.22%) XML
Miscellaneous
1 8 (8.89%) Analytical Skills
1 8 (8.89%) Computer Science
2 6 (6.67%) Data Centre
2 6 (6.67%) Fintech
3 4 (4.44%) Clustering
4 3 (3.33%) Client/Server
4 3 (3.33%) Distributed Denial-of-Service
4 3 (3.33%) Xbox
5 2 (2.22%) CMDB
5 2 (2.22%) Replication
6 1 (1.11%) CUDA
6 1 (1.11%) Driving Licence
6 1 (1.11%) Greenfield Project
6 1 (1.11%) Linux Command Line
6 1 (1.11%) Management Information System
6 1 (1.11%) Public Cloud
Operating Systems
1 33 (36.67%) Windows
2 25 (27.78%) Unix
3 15 (16.67%) Windows Server
4 13 (14.44%) CentOS
5 10 (11.11%) Windows Server 2012
6 8 (8.89%) Solaris
6 8 (8.89%) Ubuntu
7 7 (7.78%) Debian
7 7 (7.78%) Windows Server 2008
8 6 (6.67%) Red Hat Enterprise Linux
9 4 (4.44%) Android
10 2 (2.22%) AIX
10 2 (2.22%) Apple iOS
10 2 (2.22%) VMS
11 1 (1.11%) HPUX
Processes & Methodologies
1 26 (28.89%) Agile Software Development
1 26 (28.89%) DevOps
2 23 (25.56%) ITIL
3 19 (21.11%) OO
4 14 (15.56%) Configuration Management
5 10 (11.11%) Software Engineering
6 9 (10.00%) Continuous Integration
6 9 (10.00%) High Availability
7 8 (8.89%) OOD
8 7 (7.78%) Disaster Recovery
8 7 (7.78%) Network Monitoring
8 7 (7.78%) Open Source
8 7 (7.78%) Performance Management
8 7 (7.78%) Scrum
8 7 (7.78%) SDLC
9 6 (6.67%) Change Management
9 6 (6.67%) Load Balancing
9 6 (6.67%) Problem Management
9 6 (6.67%) Service Delivery
10 5 (5.56%) Migration
Programming Languages
1 25 (27.78%) PHP
2 24 (26.67%) Java
3 18 (20.00%) JavaScript
4 15 (16.67%) Python
5 13 (14.44%) Bash Shell
6 12 (13.33%) Perl
7 9 (10.00%) C#
7 9 (10.00%) SQL
8 5 (5.56%) C++
9 4 (4.44%) PowerShell
10 2 (2.22%) C
10 2 (2.22%) Objective-C
11 1 (1.11%) ABAP
11 1 (1.11%) AWK
11 1 (1.11%) Embedded C++
11 1 (1.11%) Erlang
11 1 (1.11%) PHP 5
Qualifications
1 11 (12.22%) Degree
2 6 (6.67%) Computer Science Degree
3 5 (5.56%) CCNA
3 5 (5.56%) Cisco Certification
4 4 (4.44%) CCNP
4 4 (4.44%) ITIL Foundation Certificate
5 1 (1.11%) Avaya Certification
5 1 (1.11%) CISM
5 1 (1.11%) CISSP
5 1 (1.11%) CREST Certified
5 1 (1.11%) ITIL Certification
5 1 (1.11%) MCSA
5 1 (1.11%) MCSE
5 1 (1.11%) Microsoft Certification
5 1 (1.11%) PCI QSA
Quality Assurance & Compliance
1 17 (18.89%) SLA
2 2 (2.22%) PCI DSS
3 1 (1.11%) GDPR
3 1 (1.11%) ISO/IEC 27001
System Software
1 19 (21.11%) VMware Infrastructure
2 12 (13.33%) Active Directory
3 11 (12.22%) vSphere
4 8 (8.89%) Docker
5 6 (6.67%) VMware ESXi
6 3 (3.33%) Hyper-V
7 2 (2.22%) Firmware
8 1 (1.11%) KVM
8 1 (1.11%) Virtual Machines
Systems Management
1 17 (18.89%) Opscode Chef
1 17 (18.89%) Puppet
2 11 (12.22%) Ansible
3 5 (5.56%) Systems Management Server (SMS)
4 3 (3.33%) Cisco CUCM
5 2 (2.22%) Grafana
5 2 (2.22%) NetBackup
6 1 (1.11%) Nagios
6 1 (1.11%) ServiceCenter
Vendors
1 32 (35.56%) Cisco
2 23 (25.56%) VMware
3 20 (22.22%) Red Hat
4 14 (15.56%) Microsoft
5 10 (11.11%) Avaya
6 8 (8.89%) CheckPoint
6 8 (8.89%) F5
7 7 (7.78%) Oracle
8 6 (6.67%) Juniper
9 5 (5.56%) AppDynamics
9 5 (5.56%) Citrix
9 5 (5.56%) Splunk
9 5 (5.56%) Vyatta
10 3 (3.33%) EMC
11 2 (2.22%) Brocade
11 2 (2.22%) Nimble Storage
11 2 (2.22%) Sencha
11 2 (2.22%) SonicWALL
11 2 (2.22%) Veritas
11 2 (2.22%) WSO2