The following table provides summary statistics for contract job vacancies advertised in Sheffield 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 25 June 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 Yorkshire / Sheffield
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 7 4 11
Rank change year-on-year -3 +7  
Contract jobs citing Linux 33 69 33
As % of all contract IT jobs advertised in Sheffield 14.16% 18.65% 11.83%
As % of the Operating Systems category 41.25% 64.49% 52.38%
Number of daily rates quoted 18 62 26
Median daily rate £475 £481 £350
Median daily rate % change year-on-year -1.29% +37.50%  
90% offered a daily rate of more than £350 £364 £275
10% offered a daily rate of more than £500 £600 £519
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.66%  

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 Sheffield with a requirement for operating system skills.

Contract Operating System Skills
Sheffield
Contract job vacancies with a requirement for operating system skills 80 107 63
As % of all contract IT job vacancies advertised in Sheffield 34.33% 28.92% 22.58%
Number of daily rates quoted 32 89 41
Median daily rate £475 £463 £275
Median daily rate % change year-on-year +2.70% +68.18%  
90% offered a daily rate of more than £157 £305 £140
10% offered a daily rate of more than £525 £600 £400
UK excluding London median daily rate £375 £363 £345
% change year-on-year +3.44% +5.07%  
Number of hourly rates quoted 2 0 8
Median hourly rate £9.08 - £13.50
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

Linux
Job Vacancy Trend in Sheffield

The job posting trend of jobs advertised in Sheffield 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 Sheffield

Linux
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for Linux in Sheffield

Linux
Contractor Daily Rate Histogram in Sheffield

The daily rate distribution of IT jobs citing Linux in Sheffield over the 3 months to 25 June 2017.

Contractor daily rate histogram for Linux in Sheffield

Linux
Contractor Hourly Rate Trend in Sheffield

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

Contractor hourly rate trend for Linux in Sheffield

For the 6 months to 25 June 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 Sheffield region with a requirement for Linux.

1 75 (65.79%) Git (software)
2 72 (63.16%) Java
2 72 (63.16%) Unix
3 67 (58.77%) CSS
3 67 (58.77%) Agile Software Development
4 60 (52.63%) Mac OS X
5 57 (50.00%) JavaScript
6 56 (49.12%) TDD
7 53 (46.49%) Configuration Management
8 51 (44.74%) Python
8 51 (44.74%) Web Development
9 49 (42.98%) DevOps
10 48 (42.11%) Ruby
11 47 (41.23%) Mentoring
12 46 (40.35%) Relational Database
12 46 (40.35%) Continuous Integration
13 44 (38.60%) HTML
14 41 (35.96%) Line Management
14 41 (35.96%) Continuous Delivery
15 33 (28.95%) User Experience
16 32 (28.07%) Web Services
17 31 (27.19%) HTTP
17 31 (27.19%) BDD
18 28 (24.56%) Web Design
19 27 (23.68%) Security Cleared
19 27 (23.68%) Responsive Web Design
20 26 (22.81%) Test Automation
20 26 (22.81%) Front End Development
21 25 (21.93%) REST
22 23 (20.18%) Prototyping

Linux
Co-occurring IT Skills in Sheffield 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 6 (5.26%) Apache
2 4 (3.51%) WebSphere
3 3 (2.63%) Confluence
3 3 (2.63%) WebSphere Application Server
4 2 (1.75%) MS Exchange
4 2 (1.75%) OpenStack
5 1 (0.88%) Apache Solr
5 1 (0.88%) Cloud Foundry
5 1 (0.88%) CMS
5 1 (0.88%) DataSynapse
5 1 (0.88%) IIS
5 1 (0.88%) JBoss
5 1 (0.88%) Liferay
5 1 (0.88%) nginx
5 1 (0.88%) Oracle Coherence
5 1 (0.88%) Oracle HTTP Server
5 1 (0.88%) Tomcat
5 1 (0.88%) WebLogic
5 1 (0.88%) WebLogic Portal
5 1 (0.88%) WebSphere Portal
Business Applications
1 11 (9.65%) SAP Oil and Gas
Cloud Services
1 9 (7.89%) GitHub
2 5 (4.39%) Amazon AWS
3 1 (0.88%) Amazon EC2
3 1 (0.88%) Amazon S3
3 1 (0.88%) Google Cloud Platform
3 1 (0.88%) IaaS
3 1 (0.88%) Microsoft Azure
3 1 (0.88%) Office 365
3 1 (0.88%) PaaS
3 1 (0.88%) SaaS
3 1 (0.88%) Virtual Private Cloud
Communications & Networking
1 31 (27.19%) HTTP
2 8 (7.02%) Firewall
2 8 (7.02%) TCP/IP
3 7 (6.14%) SSL
4 3 (2.63%) DNS
4 3 (2.63%) Internet
4 3 (2.63%) SAN
5 2 (1.75%) LAN
5 2 (1.75%) NAS
5 2 (1.75%) VPN
5 2 (1.75%) WAN
6 1 (0.88%) DHCP
6 1 (0.88%) FCoE
6 1 (0.88%) Fibre Channel
6 1 (0.88%) iSCSI
6 1 (0.88%) Multicast
Database & Business Intelligence
1 46 (40.35%) Relational Database
2 7 (6.14%) MongoDB
2 7 (6.14%) PostgreSQL
3 6 (5.26%) MySQL
4 3 (2.63%) Redis
5 2 (1.75%) NoSQL
5 2 (1.75%) Oracle Database
6 1 (0.88%) Apache Cassandra
6 1 (0.88%) Big Data
6 1 (0.88%) Hadoop
6 1 (0.88%) HBase
6 1 (0.88%) Oracle Database 10g
6 1 (0.88%) Oracle Database 11g
6 1 (0.88%) Oracle Database 12c
6 1 (0.88%) Power BI
6 1 (0.88%) SQL Server
Development Applications
1 75 (65.79%) Git (software)
2 16 (14.04%) Jenkins
3 5 (4.39%) Subversion
4 4 (3.51%) git-flow
4 4 (3.51%) GoCD
4 4 (3.51%) JIRA
4 4 (3.51%) Sonatype Nexus
5 3 (2.63%) Bitbucket
6 1 (0.88%) Cucumber
6 1 (0.88%) GitLab
6 1 (0.88%) Gradle
6 1 (0.88%) Grunt
6 1 (0.88%) gulp
6 1 (0.88%) IntelliJ
6 1 (0.88%) JUnit
6 1 (0.88%) Maven
6 1 (0.88%) Mockito
6 1 (0.88%) Selenium
6 1 (0.88%) Spock
6 1 (0.88%) TeamCity
General
1 21 (18.42%) Finance
2 11 (9.65%) Electronics
2 11 (9.65%) Manufacturing
2 11 (9.65%) Marketing
2 11 (9.65%) Telecoms
3 7 (6.14%) Banking
4 2 (1.75%) Legal
Job Titles
1 76 (66.67%) Developer
2 48 (42.11%) Java Developer
3 30 (26.32%) Front End Developer (Client-Side Developer)
4 15 (13.16%) Front End Java Developer (Client-Side Java Developer)
5 11 (9.65%) DevOps Engineer
6 9 (7.89%) Full Stack Developer
7 7 (6.14%) HTML Developer
8 5 (4.39%) JavaScript Developer
8 5 (4.39%) Lead Developer
9 4 (3.51%) Continuous Delivery Engineer
9 4 (3.51%) Platform Engineer
9 4 (3.51%) Python Developer
9 4 (3.51%) Ruby Developer
9 4 (3.51%) Senior Developer
10 3 (2.63%) Administrator
10 3 (2.63%) Linux Systems Administrator
10 3 (2.63%) Node.js Developer
10 3 (2.63%) PHP Developer
10 3 (2.63%) Senior Java Developer
10 3 (2.63%) Systems Administrator
Libraries, Frameworks & Software Standards
1 67 (58.77%) CSS
2 44 (38.60%) HTML
3 32 (28.07%) Web Services
4 25 (21.93%) REST
5 13 (11.40%) React
6 8 (7.02%) Node.js
7 5 (4.39%) AngularJS
7 5 (4.39%) Middleware
8 3 (2.63%) XML
9 2 (1.75%) Hibernate
9 2 (1.75%) jQuery
9 2 (1.75%) JSON
9 2 (1.75%) LAMP
9 2 (1.75%) Spring
9 2 (1.75%) XSLT
10 1 (0.88%) CSS3
10 1 (0.88%) Gherkin
10 1 (0.88%) Spring MVC
10 1 (0.88%) Spring Security
10 1 (0.88%) Symfony
Miscellaneous
1 33 (28.95%) User Experience
2 7 (6.14%) Greenfield Project
3 4 (3.51%) Computer Science
4 3 (2.63%) Analytical Skills
5 2 (1.75%) Client/Server
5 2 (1.75%) Data Centre
5 2 (1.75%) Management Information System
6 1 (0.88%) Foreign Exchange (FX)
6 1 (0.88%) Linux Command Line
6 1 (0.88%) Replication
Operating Systems
1 72 (63.16%) Unix
2 60 (52.63%) Mac OS X
3 7 (6.14%) Windows
4 3 (2.63%) Solaris
4 3 (2.63%) Ubuntu
5 2 (1.75%) CoreOS
5 2 (1.75%) RancherOS
5 2 (1.75%) Red Hat Enterprise Linux
5 2 (1.75%) SUSE
5 2 (1.75%) Windows NT
5 2 (1.75%) Windows Server
6 1 (0.88%) Mac OS
6 1 (0.88%) SUSE Linux Enterprise Server
6 1 (0.88%) Windows Server 2003
6 1 (0.88%) Windows Server 2008
6 1 (0.88%) Windows Server 2012
Processes & Methodologies
1 67 (58.77%) Agile Software Development
2 56 (49.12%) TDD
3 53 (46.49%) Configuration Management
4 51 (44.74%) Web Development
5 49 (42.98%) DevOps
6 47 (41.23%) Mentoring
7 46 (40.35%) Continuous Integration
8 41 (35.96%) Continuous Delivery
8 41 (35.96%) Line Management
9 31 (27.19%) BDD
10 28 (24.56%) Web Design
11 27 (23.68%) Responsive Web Design
12 26 (22.81%) Front End Development
12 26 (22.81%) Test Automation
13 23 (20.18%) Prototyping
14 19 (16.67%) Data Visualisation
14 19 (16.67%) Visualisation
15 18 (15.79%) Rapid Prototyping
16 12 (10.53%) Business Intelligence
17 11 (9.65%) Programme Management
Programming Languages
1 72 (63.16%) Java
2 57 (50.00%) JavaScript
3 51 (44.74%) Python
4 48 (42.11%) Ruby
5 12 (10.53%) Bash Shell
6 7 (6.14%) Shell Script
7 6 (5.26%) PHP
8 5 (4.39%) SQL
9 2 (1.75%) Go
9 2 (1.75%) Scala
10 1 (0.88%) ECMAScript
10 1 (0.88%) ES6
10 1 (0.88%) Korn
10 1 (0.88%) Perl
10 1 (0.88%) PL/SQL
10 1 (0.88%) PowerShell
10 1 (0.88%) TypeScript
10 1 (0.88%) XPath
Qualifications
1 27 (23.68%) Security Cleared
2 14 (12.28%) SC Cleared
3 10 (8.77%) CTC Cleared
4 9 (7.89%) BC Cleared
5 3 (2.63%) Degree
6 2 (1.75%) BPSS Clearance
7 1 (0.88%) DBS Check
7 1 (0.88%) MCSE
7 1 (0.88%) Microsoft Certification
Quality Assurance & Compliance
1 8 (7.02%) Disclosure Scotland
2 1 (0.88%) FATCA
2 1 (0.88%) QA
System Software
1 9 (7.89%) Docker
2 4 (3.51%) Virtual Machines
3 3 (2.63%) VMware Infrastructure
4 2 (1.75%) Active Directory
4 2 (1.75%) etcd
4 2 (1.75%) flannel
4 2 (1.75%) Oracle RAC
4 2 (1.75%) Veritas Volume Manager
5 1 (0.88%) Hyper-V
5 1 (0.88%) KVM
5 1 (0.88%) NFS
5 1 (0.88%) SRDF
5 1 (0.88%) Veritas Cluster Server
5 1 (0.88%) Virtual Servers
5 1 (0.88%) vSphere
5 1 (0.88%) Xen
Systems Management
1 17 (14.91%) Puppet
2 12 (10.53%) Opscode Chef
3 5 (4.39%) Salt
4 4 (3.51%) Cobbler
4 4 (3.51%) Host Intrusion Detection System
5 3 (2.63%) Ansible
6 2 (1.75%) Consul
6 2 (1.75%) Docker Swarm
6 2 (1.75%) Kubernetes
6 2 (1.75%) Marathon
6 2 (1.75%) Mesos
6 2 (1.75%) Network Intrusion Detection System
6 2 (1.75%) Rancher
7 1 (0.88%) Data Guard
7 1 (0.88%) Oracle RMAN
7 1 (0.88%) SCOM
7 1 (0.88%) Terraform
7 1 (0.88%) vMotion
Vendors
1 11 (9.65%) SAP
2 5 (4.39%) Oracle
3 4 (3.51%) Atlassian
3 4 (3.51%) IBM
3 4 (3.51%) Red Hat
3 4 (3.51%) Splunk
4 3 (2.63%) MuleSoft
4 3 (2.63%) VMware
5 2 (1.75%) Cisco
5 2 (1.75%) EMC
5 2 (1.75%) Veritas
6 1 (0.88%) ATG
6 1 (0.88%) Citrix
6 1 (0.88%) HP
6 1 (0.88%) Intel
6 1 (0.88%) Microsoft
6 1 (0.88%) NetApp
6 1 (0.88%) Sybase
6 1 (0.88%) TIBCO
6 1 (0.88%) Zend