The following table provides summary statistics for contract job vacancies advertised in Leeds 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
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 11 14 7
Rank change year-on-year +3 -7  
Contract jobs citing Linux 107 142 165
As % of all contract IT jobs advertised in Leeds 10.53% 9.92% 14.07%
As % of the Operating Systems category 47.77% 48.80% 62.74%
Number of daily rates quoted 65 106 113
Median daily rate £425 £450 £350
Median daily rate % change year-on-year -5.55% +28.57%  
90% offered a daily rate of more than £327 £363 £220
10% offered a daily rate of more than £533 £638 £430
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 1 0 5
Median hourly rate £39.00 - £35.00
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 Leeds with a requirement for operating system skills.

Contract Operating System Skills
Leeds
Contract job vacancies with a requirement for operating system skills 224 291 263
As % of all contract IT job vacancies advertised in Leeds 22.05% 20.34% 22.42%
Number of daily rates quoted 153 187 164
Median daily rate £400 £400 £343
Median daily rate % change year-on-year - +16.78%  
90% offered a daily rate of more than £300 £192 £125
10% offered a daily rate of more than £500 £550 £430
UK excluding London median daily rate £385 £365 £338
% change year-on-year +5.47% +8.14%  
Number of hourly rates quoted 7 12 14
Median hourly rate £14.20 £12.00 £12.25
Median hourly rate % change year-on-year +18.33% -2.04%  
90% offered a hourly rate of more than £11.77 £10.20 £10.62
10% offered a hourly rate of more than £19.00 £21.50 £35.00
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 Leeds

The job posting trend of jobs advertised in Leeds 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 Leeds

Linux
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for Linux in Leeds

Linux
Contractor Daily Rate Histogram in Leeds

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

Contractor daily rate histogram for Linux in Leeds

Linux
Contractor Hourly Rate Trend in Leeds

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

Contractor hourly rate trend for Linux in Leeds

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 Leeds region with a requirement for Linux.

1 120 (52.86%) Python
2 98 (43.17%) Agile Software Development
3 85 (37.44%) Java
4 80 (35.24%) JavaScript
5 72 (31.72%) HTML
6 68 (29.96%) Puppet
7 65 (28.63%) DevOps
8 63 (27.75%) Ruby
9 62 (27.31%) Jenkins
10 61 (26.87%) Unix
11 59 (25.99%) Windows
12 58 (25.55%) CSS
13 57 (25.11%) Git (software)
14 56 (24.67%) Opscode Chef
15 53 (23.35%) Open Source
16 48 (21.15%) MySQL
17 47 (20.70%) Configuration Management
18 45 (19.82%) PostgreSQL
19 44 (19.38%) Relational Database
20 43 (18.94%) MongoDB
21 41 (18.06%) Scala
21 41 (18.06%) HTTP
22 40 (17.62%) SQL
23 38 (16.74%) JIRA
24 37 (16.30%) Red Hat
24 37 (16.30%) Splunk
25 36 (15.86%) Apache
25 36 (15.86%) Scrum
26 35 (15.42%) PHP
27 34 (14.98%) Amazon AWS

Linux
Co-occurring IT Skills in Leeds 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 36 (15.86%) Apache
2 30 (13.22%) Confluence
3 13 (5.73%) Tomcat
4 12 (5.29%) Apache Spark
5 9 (3.96%) OpenStack
5 9 (3.96%) SAS
6 7 (3.08%) Apache Pig
7 6 (2.64%) WebSphere
8 5 (2.20%) IBM Domino
9 4 (1.76%) CloudStack
9 4 (1.76%) IIS
9 4 (1.76%) MS Exchange
9 4 (1.76%) nginx
9 4 (1.76%) WebLogic
10 3 (1.32%) Exchange Server 2010
11 2 (0.88%) CMS
11 2 (0.88%) Oracle Service Bus
11 2 (0.88%) Oracle SOA Suite
11 2 (0.88%) WordPress
12 1 (0.44%) Exchange Server 2003
Applications
1 3 (1.32%) MS Excel
2 1 (0.44%) HipChat
Cloud Services
1 34 (14.98%) Amazon AWS
2 10 (4.41%) Microsoft Azure
3 7 (3.08%) Google Cloud Platform
3 7 (3.08%) IaaS
4 6 (2.64%) Slack
5 5 (2.20%) Loggly
5 5 (2.20%) Sumo Logic
6 2 (0.88%) AWS CloudFormation
7 1 (0.44%) Amazon ELB
7 1 (0.44%) Amazon S3
7 1 (0.44%) Amazon SQS
7 1 (0.44%) AWS Lambda
7 1 (0.44%) Cloud Computing
7 1 (0.44%) GitHub
7 1 (0.44%) PaaS
7 1 (0.44%) Virtual Private Cloud
Communications & Networking
1 41 (18.06%) HTTP
2 29 (12.78%) TCP/IP
3 24 (10.57%) DNS
4 22 (9.69%) LDAP
5 18 (7.93%) SMTP
6 17 (7.49%) SNMP
7 11 (4.85%) OpenLDAP
8 10 (4.41%) Internet
9 9 (3.96%) Firewall
10 6 (2.64%) SAN
11 5 (2.20%) Kerberos
11 5 (2.20%) Network Security
12 4 (1.76%) AMQP
12 4 (1.76%) LAN
12 4 (1.76%) WAN
13 1 (0.44%) DMZ
13 1 (0.44%) iSCSI
13 1 (0.44%) SMS
13 1 (0.44%) SSH
13 1 (0.44%) VLAN
Database & Business Intelligence
1 48 (21.15%) MySQL
2 45 (19.82%) PostgreSQL
3 44 (19.38%) Relational Database
4 43 (18.94%) MongoDB
5 23 (10.13%) Hadoop
6 22 (9.69%) NoSQL
7 20 (8.81%) Redis
8 17 (7.49%) Apache Cassandra
9 14 (6.17%) SQL Server
10 13 (5.73%) HBase
11 8 (3.52%) Apache Hive
11 8 (3.52%) Big Data
11 8 (3.52%) Oracle Database
12 7 (3.08%) Riak
13 6 (2.64%) Oracle Database 11g
14 5 (2.20%) Amazon DynamoDB
15 3 (1.32%) Data Warehouse
15 3 (1.32%) MariaDB
15 3 (1.32%) SQL Server Analysis Services
15 3 (1.32%) SQL Server Reporting Services
Development Applications
1 62 (27.31%) Jenkins
2 57 (25.11%) Git (software)
3 38 (16.74%) JIRA
4 25 (11.01%) JUnit
5 24 (10.57%) Subversion
6 16 (7.05%) Cucumber
7 15 (6.61%) Selenium
8 11 (4.85%) JMeter
8 11 (4.85%) Maven
9 10 (4.41%) Jasmine
10 7 (3.08%) Eclipse
10 7 (3.08%) Grunt
11 6 (2.64%) Vagrant
11 6 (2.64%) Visual Studio
12 5 (2.20%) Android Studio
12 5 (2.20%) Mockito
13 3 (1.32%) TeamCity
14 2 (0.88%) Gradle
14 2 (0.88%) PHPUnit
14 2 (0.88%) Spock
General
1 23 (10.13%) Finance
2 5 (2.20%) Electronics
2 5 (2.20%) Retail
3 3 (1.32%) Banking
4 2 (0.88%) Marketing
4 2 (0.88%) Telecoms
5 1 (0.44%) Advertising
5 1 (0.44%) Back Office
5 1 (0.44%) Games
5 1 (0.44%) iGaming
5 1 (0.44%) Legal
5 1 (0.44%) Military
5 1 (0.44%) Online Betting
Job Titles
1 64 (28.19%) Developer
2 37 (16.30%) DevOps Engineer
3 25 (11.01%) Administrator
4 22 (9.69%) Scala Developer
5 21 (9.25%) Architect
6 17 (7.49%) Linux Engineer
7 15 (6.61%) Java Developer
8 13 (5.73%) Software Engineer
9 12 (5.29%) Python Developer
9 12 (5.29%) Technical Architect
10 10 (4.41%) AWS DevOps
10 10 (4.41%) DBA
10 10 (4.41%) PHP Developer
11 9 (3.96%) SAS Administrator
12 8 (3.52%) Linux/Unix DevOps
12 8 (3.52%) Oracle DBA
12 8 (3.52%) Senior DevOps
12 8 (3.52%) Storage Specialist
13 7 (3.08%) Java Scala Developer
13 7 (3.08%) WebOps Engineer
Libraries, Frameworks & Software Standards
1 72 (31.72%) HTML
2 58 (25.55%) CSS
3 34 (14.98%) HTML5
4 31 (13.66%) Spring
5 29 (12.78%) XML
6 26 (11.45%) Django
6 26 (11.45%) JSON
6 26 (11.45%) RESTful
7 24 (10.57%) Play Framework
8 22 (9.69%) REST
9 20 (8.81%) CSS3
10 19 (8.37%) LAMP
10 19 (8.37%) Web Services
11 18 (7.93%) Node.js
12 16 (7.05%) LAPP Stack
13 13 (5.73%) Spring MVC
14 12 (5.29%) Ajax
14 12 (5.29%) Guice
14 12 (5.29%) Ruby on Rails
15 11 (4.85%) jQuery
Miscellaneous
1 12 (5.29%) Analytical Skills
2 10 (4.41%) Data Centre
3 9 (3.96%) NHS
4 8 (3.52%) Replication
5 7 (3.08%) Client/Server
5 7 (3.08%) Driving Licence
5 7 (3.08%) iSeries
6 6 (2.64%) User Experience
7 5 (2.20%) Clustering
7 5 (2.20%) Social Media
7 5 (2.20%) Tandem
8 4 (1.76%) Computer Science
9 3 (1.32%) Enterprise Software
9 3 (1.32%) Management Information System
10 2 (0.88%) Reference Data
10 2 (0.88%) RIA
10 2 (0.88%) VxBlock/Vblock
11 1 (0.44%) Graphic Design
11 1 (0.44%) Mobile App
11 1 (0.44%) Private Cloud
Operating Systems
1 61 (26.87%) Unix
2 59 (25.99%) Windows
3 32 (14.10%) Red Hat Enterprise Linux
4 26 (11.45%) Windows Server 2008
5 22 (9.69%) Ubuntu
6 16 (7.05%) Mac OS X
7 13 (5.73%) Windows Server
8 10 (4.41%) CentOS
9 9 (3.96%) Solaris
10 7 (3.08%) Android
10 7 (3.08%) Embedded Linux
10 7 (3.08%) Windows Server 2012
11 5 (2.20%) CoreOS
11 5 (2.20%) SUSE
12 4 (1.76%) Windows Embedded Compact
13 3 (1.32%) Windows Server 2003
14 2 (0.88%) AIX
14 2 (0.88%) Windows 7
15 1 (0.44%) Apple iOS
15 1 (0.44%) SUSE Linux Enterprise Server
Processes & Methodologies
1 98 (43.17%) Agile Software Development
2 65 (28.63%) DevOps
3 53 (23.35%) Open Source
4 47 (20.70%) Configuration Management
5 36 (15.86%) Scrum
6 34 (14.98%) Continuous Integration
7 28 (12.33%) Software Engineering
8 24 (10.57%) Responsive Web Design
8 24 (10.57%) Web Design
8 24 (10.57%) Web Development
9 22 (9.69%) Automated Testing
9 22 (9.69%) Mentoring
10 19 (8.37%) TDD
11 18 (7.93%) Kanban
12 16 (7.05%) BDD
12 16 (7.05%) MVC
13 14 (6.17%) Continuous Deployment
13 14 (6.17%) ITIL
13 14 (6.17%) Service Delivery
13 14 (6.17%) Visualisation
Programming Languages
1 120 (52.86%) Python
2 85 (37.44%) Java
3 80 (35.24%) JavaScript
4 63 (27.75%) Ruby
5 41 (18.06%) Scala
6 40 (17.62%) SQL
7 35 (15.42%) PHP
8 23 (10.13%) Bash Shell
9 17 (7.49%) Shell Script
10 16 (7.05%) C#
11 9 (3.96%) C++
12 8 (3.52%) Go
12 8 (3.52%) Perl
13 6 (2.64%) C
14 3 (1.32%) Korn
14 3 (1.32%) PL/SQL
15 1 (0.44%) Embedded C++
15 1 (0.44%) PowerShell
Qualifications
1 11 (4.85%) Degree
2 8 (3.52%) Security Cleared
3 5 (2.20%) BPSS Clearance
3 5 (2.20%) MCSE
3 5 (2.20%) Microsoft Certification
3 5 (2.20%) SAS Certification
3 5 (2.20%) VMware Certified Professional (VCP)
4 2 (0.88%) CCA
4 2 (0.88%) Citrix Certification
4 2 (0.88%) OCP
4 2 (0.88%) Oracle Certification
4 2 (0.88%) SC Cleared
5 1 (0.44%) AWS Certification
5 1 (0.44%) ITIL Certification
Quality Assurance & Compliance
1 5 (2.20%) SLA
2 4 (1.76%) Data Quality
3 3 (1.32%) Disclosure Scotland
3 3 (1.32%) QA
4 2 (0.88%) FATCA
5 1 (0.44%) PCI DSS
5 1 (0.44%) Sarbanes-Oxley
5 1 (0.44%) SDET
System Software
1 28 (12.33%) Docker
2 13 (5.73%) HDFS
2 13 (5.73%) VMware Infrastructure
3 11 (4.85%) Active Directory
4 8 (3.52%) vSphere
5 5 (2.20%) VirtualBox
5 5 (2.20%) VMware Server
6 4 (1.76%) XenServer
7 3 (1.32%) VMware ESXi
7 3 (1.32%) Xen
8 2 (0.88%) Hyper-V
8 2 (0.88%) KVM
8 2 (0.88%) vCloud
8 2 (0.88%) Virtual Machines
8 2 (0.88%) VMware GSX
9 1 (0.44%) VMware ESX
Systems Management
1 68 (29.96%) Puppet
2 56 (24.67%) Opscode Chef
3 31 (13.66%) Ansible
4 22 (9.69%) Nagios
5 17 (7.49%) Salt
6 9 (3.96%) Kubernetes
7 8 (3.52%) Hadoop YARN
8 7 (3.08%) NetBackup
9 5 (2.20%) Cobbler
9 5 (2.20%) ZABBIX
10 3 (1.32%) Data Guard
10 3 (1.32%) Oracle RMAN
11 2 (0.88%) Grafana
11 2 (0.88%) Rancher
11 2 (0.88%) vRealize
12 1 (0.44%) Graphite
12 1 (0.44%) OpenView
12 1 (0.44%) Opsview
12 1 (0.44%) QRadar
12 1 (0.44%) Terraform
Vendors
1 37 (16.30%) Red Hat
1 37 (16.30%) Splunk
2 30 (13.22%) VMware
3 23 (10.13%) Google
4 21 (9.25%) Oracle
5 17 (7.49%) Microsoft
6 14 (6.17%) SaltStack
7 10 (4.41%) Cisco
7 10 (4.41%) Rackspace
8 7 (3.08%) Avaya
9 6 (2.64%) Citrix
9 6 (2.64%) Hortonworks
10 5 (2.20%) New Relic
10 5 (2.20%) Palo Alto
10 5 (2.20%) Zend
11 4 (1.76%) EMC
11 4 (1.76%) NetApp
12 3 (1.32%) Brocade
12 3 (1.32%) HP
12 3 (1.32%) Symantec
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