The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Linux
South Wales / Cardiff
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 6 43 29
Rank change year-on-year +37 -14  
Contract jobs citing Linux 39 20 8
As % of all contract IT jobs advertised in Cardiff 11.61% 5.05% 3.17%
As % of the Operating Systems category 60.00% 13.89% 19.51%
Number of daily rates quoted 26 14 5
Median daily rate £444 £350 £350
Median daily rate % change year-on-year +26.78% -  
90% offered a daily rate of more than £294 £156 £230
10% offered a daily rate of more than £525 £400 £380
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 2 2 0
Median hourly rate £18.00 £18.75 -
Median hourly rate % change year-on-year -4.00% -  
UK excluding London median hourly rate £38.75 £43.00 £36.00
% change year-on-year -9.88% +19.44%  

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Cardiff with a requirement for operating system skills.

Contract Operating System Skills
Cardiff
Contract job vacancies with a requirement for operating system skills 65 144 41
As % of all contract IT job vacancies advertised in Cardiff 19.35% 36.36% 16.27%
Number of daily rates quoted 43 94 27
Median daily rate £400 £325 £278
Median daily rate % change year-on-year +23.07% +17.11%  
90% offered a daily rate of more than £158 £138 £125
10% offered a daily rate of more than £500 £410 £410
UK excluding London median daily rate £385 £365 £338
% change year-on-year +5.47% +8.14%  
Number of hourly rates quoted 8 11 5
Median hourly rate £14.50 £13.00 £16.00
Median hourly rate % change year-on-year +11.53% -18.75%  
90% offered a hourly rate of more than £11.10 £13.00 £13.75
10% offered a hourly rate of more than £17.70 £19.00 £17.61
UK excluding London median hourly rate £15.25 £16.50 £15.50
% change year-on-year -7.57% +6.45%  

Linux
Job Vacancy Trend in Cardiff

The job posting trend of jobs advertised in Cardiff citing Linux as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in Cardiff

Linux
Contractor Daily Rate Trend in Cardiff

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Linux in Cardiff.

Contractor daily rate trend for Linux in Cardiff

Linux
Contractor Daily Rate Histogram in Cardiff

The daily rate distribution of IT jobs citing Linux in Cardiff over the 3 months to 29 March 2017.

Contractor daily rate histogram for Linux in Cardiff

Linux
Contractor Hourly Rate Trend in Cardiff

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Linux in Cardiff.

Contractor hourly rate trend for Linux in Cardiff

For the 6 months to 29 March 2017, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Cardiff region with a requirement for Linux.

1 32 (47.06%) Java
2 31 (45.59%) Agile Software Development
3 24 (35.29%) DevOps
4 21 (30.88%) HTTP
5 19 (27.94%) Configuration Management
5 19 (27.94%) Microservices
6 18 (26.47%) MongoDB
6 18 (26.47%) Amazon AWS
7 17 (25.00%) REST
7 17 (25.00%) Software Engineering
7 17 (25.00%) Dropwizard
7 17 (25.00%) Continuous Deployment
8 16 (23.53%) Spring
8 16 (23.53%) Ansible
9 15 (22.06%) HTML
9 15 (22.06%) Unix
10 14 (20.59%) Hibernate
10 14 (20.59%) Scrum
10 14 (20.59%) Relational Database
10 14 (20.59%) Neo4j
10 14 (20.59%) Git (software)
10 14 (20.59%) Terraform
11 13 (19.12%) RESTful
11 13 (19.12%) JSON
11 13 (19.12%) Security Cleared
11 13 (19.12%) Kafka
11 13 (19.12%) JAX-RS
11 13 (19.12%) Oracle
11 13 (19.12%) Mac OS X
12 12 (17.65%) TCP/IP

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 8 (11.76%) Apache
2 5 (7.35%) JBoss
3 4 (5.88%) Elasticsearch
3 4 (5.88%) WebSphere
4 3 (4.41%) Confluence
4 3 (4.41%) IIS
4 3 (4.41%) Jetty
4 3 (4.41%) Mongrel
4 3 (4.41%) nginx
4 3 (4.41%) Tomcat
5 2 (2.94%) Tornado
6 1 (1.47%) Apache Solr
6 1 (1.47%) Apache Spark
6 1 (1.47%) OpenStack
6 1 (1.47%) Oracle HTTP Server
6 1 (1.47%) WebLogic
Business Applications
1 2 (2.94%) Remedy ITSM
Cloud Services
1 18 (26.47%) Amazon AWS
2 8 (11.76%) AWS CloudFormation
3 6 (8.82%) Amazon EC2
3 6 (8.82%) Amazon S3
4 3 (4.41%) Google App Engine
4 3 (4.41%) Google Cloud Platform
5 2 (2.94%) Amazon CloudWatch
6 1 (1.47%) Amazon ElastiCache
6 1 (1.47%) Amazon ELB
6 1 (1.47%) AWS Lambda
6 1 (1.47%) Microsoft Azure
6 1 (1.47%) PaaS
6 1 (1.47%) Route 53
6 1 (1.47%) Virtual Private Cloud
Communications & Networking
1 21 (30.88%) HTTP
2 12 (17.65%) TCP/IP
3 6 (8.82%) DNS
4 5 (7.35%) SSL
5 4 (5.88%) DSL
6 3 (4.41%) DHCP
6 3 (4.41%) FTP
6 3 (4.41%) IPsec
6 3 (4.41%) SNMP
6 3 (4.41%) VoIP
7 2 (2.94%) Firewall
7 2 (2.94%) SSH
7 2 (2.94%) Wi-Fi
8 1 (1.47%) LDAP
8 1 (1.47%) tcpdump
Database & Business Intelligence
1 18 (26.47%) MongoDB
2 14 (20.59%) Neo4j
2 14 (20.59%) Relational Database
3 7 (10.29%) Oracle Database
4 4 (5.88%) MySQL
5 3 (4.41%) Oracle Reports
5 3 (4.41%) PowerCenter
5 3 (4.41%) SQL Server
6 2 (2.94%) Amazon DynamoDB
6 2 (2.94%) RDBMS
6 2 (2.94%) SQLite
7 1 (1.47%) Apache Cassandra
7 1 (1.47%) NoSQL
7 1 (1.47%) PostgreSQL
7 1 (1.47%) Redis
Development Applications
1 14 (20.59%) Git (software)
2 12 (17.65%) Cucumber
2 12 (17.65%) Jenkins
3 8 (11.76%) JMeter
4 7 (10.29%) LoadRunner
4 7 (10.29%) Selenium
5 5 (7.35%) Rational Performance Tester
6 4 (5.88%) SoapUI
7 3 (4.41%) Eclipse
7 3 (4.41%) GCC
7 3 (4.41%) JIRA
7 3 (4.41%) The Grinder
7 3 (4.41%) Travis CI
7 3 (4.41%) Vagrant
8 2 (2.94%) Ant
8 2 (2.94%) HP UFT
8 2 (2.94%) Hudson
8 2 (2.94%) Maven
8 2 (2.94%) WinRunner
9 1 (1.47%) WebDriver
General
1 10 (14.71%) Finance
2 1 (1.47%) Games
2 1 (1.47%) Telecoms
Job Titles
1 19 (27.94%) Developer
2 14 (20.59%) Java Developer
3 11 (16.18%) DevOps Engineer
4 7 (10.29%) Software Engineer
5 6 (8.82%) Linux Engineer
6 5 (7.35%) Analyst
6 5 (7.35%) Performance Tester
6 5 (7.35%) Senior Performance Tester
6 5 (7.35%) Senior Tester
6 5 (7.35%) Tester
7 4 (5.88%) C Software Engineer
7 4 (5.88%) Cloud Engineer
7 4 (5.88%) SC Cleared Software Engineer
8 3 (4.41%) AWS Engineer
8 3 (4.41%) Java Architect
8 3 (4.41%) Java Solutions Architect
8 3 (4.41%) Senior C Software Engineer
8 3 (4.41%) Senior Linux Engineer
8 3 (4.41%) Senior Software Engineer
8 3 (4.41%) Solutions Architect
Libraries, Frameworks & Software Standards
1 17 (25.00%) Dropwizard
1 17 (25.00%) REST
2 16 (23.53%) Spring
3 15 (22.06%) HTML
4 14 (20.59%) Hibernate
5 13 (19.12%) JAX-RS
5 13 (19.12%) JSON
5 13 (19.12%) Kafka
5 13 (19.12%) RESTful
6 12 (17.65%) Spring Boot
7 11 (16.18%) iXBRL
8 7 (10.29%) J2EE
9 5 (7.35%) Java EE
9 5 (7.35%) Web Services
10 4 (5.88%) SOAP
11 3 (4.41%) .NET
11 3 (4.41%) Node.js
11 3 (4.41%) Servlets
12 2 (2.94%) Flask
12 2 (2.94%) ZeroMQ
Miscellaneous
1 8 (11.76%) Data Centre
2 2 (2.94%) Computer Science
2 2 (2.94%) Life Science
3 1 (1.47%) iPad
3 1 (1.47%) Private Cloud
Operating Systems
1 15 (22.06%) Unix
2 13 (19.12%) Mac OS X
3 10 (14.71%) Windows
4 9 (13.24%) Red Hat Enterprise Linux
5 6 (8.82%) AIX
6 4 (5.88%) Debian
7 2 (2.94%) CentOS
7 2 (2.94%) Ubuntu
8 1 (1.47%) Mac OS
Processes & Methodologies
1 31 (45.59%) Agile Software Development
2 24 (35.29%) DevOps
3 19 (27.94%) Configuration Management
3 19 (27.94%) Microservices
4 17 (25.00%) Continuous Deployment
4 17 (25.00%) Software Engineering
5 14 (20.59%) Scrum
6 12 (17.65%) Responsive Web Design
6 12 (17.65%) Web Design
7 10 (14.71%) Continuous Integration
8 8 (11.76%) Performance Testing
9 5 (7.35%) API Design
9 5 (7.35%) Data Centre Operations
9 5 (7.35%) Disaster Recovery
9 5 (7.35%) Open Source
9 5 (7.35%) RAD
9 5 (7.35%) Test Scripting
9 5 (7.35%) Test Strategy
9 5 (7.35%) Waterfall
10 4 (5.88%) CQRS
Programming Languages
1 32 (47.06%) Java
2 11 (16.18%) Go
3 6 (8.82%) C
4 5 (7.35%) JCL
4 5 (7.35%) SQL
5 4 (5.88%) Python
6 3 (4.41%) Bash Shell
6 3 (4.41%) Groovy
6 3 (4.41%) JavaScript
6 3 (4.41%) Shell Script
7 2 (2.94%) C++
7 2 (2.94%) Korn
7 2 (2.94%) Perl
7 2 (2.94%) PHP
7 2 (2.94%) PL/SQL
7 2 (2.94%) Scala
8 1 (1.47%) Ruby
Qualifications
1 13 (19.12%) Security Cleared
2 11 (16.18%) SC Cleared
3 5 (7.35%) BPSS Clearance
3 5 (7.35%) ISEB
4 2 (2.94%) CISM
4 2 (2.94%) CISSP
4 2 (2.94%) Degree
4 2 (2.94%) GIAC
Quality Assurance & Compliance
1 2 (2.94%) Disclosure Scotland
1 2 (2.94%) ISO/IEC 27001
1 2 (2.94%) PCI DSS
1 2 (2.94%) QA
System Software
1 6 (8.82%) VMware Infrastructure
2 4 (5.88%) Docker
3 3 (4.41%) Xen
4 1 (1.47%) iptables
4 1 (1.47%) NFS
Systems Management
1 16 (23.53%) Ansible
2 14 (20.59%) Terraform
3 12 (17.65%) Puppet
4 6 (8.82%) Rundeck
5 5 (7.35%) Control-M
5 5 (7.35%) Opscode Chef
6 4 (5.88%) Marathon
6 4 (5.88%) Mesos
7 2 (2.94%) HP Quality Center
7 2 (2.94%) Network Intrusion Detection System
8 1 (1.47%) Consul
8 1 (1.47%) Fluentd
8 1 (1.47%) Grafana
8 1 (1.47%) Kibana
8 1 (1.47%) Pingdom
8 1 (1.47%) Salt
Vendors
1 13 (19.12%) Oracle
2 6 (8.82%) HP
2 6 (8.82%) Red Hat
2 6 (8.82%) VMware
3 5 (7.35%) Micro Focus
4 4 (5.88%) BMC
5 3 (4.41%) Google
5 3 (4.41%) Informatica
5 3 (4.41%) Kofax
5 3 (4.41%) Microsoft
5 3 (4.41%) Remedy
5 3 (4.41%) Siebel
5 3 (4.41%) Thunderhead
6 2 (2.94%) Cisco
6 2 (2.94%) Clearswift
6 2 (2.94%) Splunk
7 1 (1.47%) AppDynamics
7 1 (1.47%) BT
7 1 (1.47%) PagerDuty
7 1 (1.47%) Xerox
Cardiff, South Glamorgan
Opus Recruitment Solutions Ltd
Rate: £200 - £235 per day
Posted: 5 days ago
Cardiff, South Glamorgan
TEKsystems
Rate: £200 - £220 per day
Posted: 6 days ago
Cardiff, South Glamorgan
McGregor Boyall
Posted: 2 days ago
Cardiff, South Glamorgan
CPS Group UK
Rate: £275 - £300 per day
Posted: Yesterday