The following table provides summary statistics for contract job vacancies advertised in Cambridge 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 23 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
Cambridgeshire / Cambridge
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 7 3 1
Rank change year-on-year -4 -2  
Contract jobs citing Linux 36 62 114
As % of all contract IT jobs advertised in Cambridge 11.96% 17.08% 25.39%
As % of the Operating Systems category 43.37% 52.10% 69.09%
Number of daily rates quoted 7 42 90
Median daily rate £275 £445 £368
Median daily rate % change year-on-year -38.20% +21.08%  
90% offered a daily rate of more than £190 £325 £275
10% offered a daily rate of more than £450 £550 £415
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 12 2 4
Median hourly rate £37.50 £40.00 £39.75
Median hourly rate % change year-on-year -6.25% +0.62%  
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 Cambridge with a requirement for operating system skills.

Contract Operating System Skills
Cambridge
Contract job vacancies with a requirement for operating system skills 83 119 165
As % of all contract IT job vacancies advertised in Cambridge 27.57% 32.78% 36.75%
Number of daily rates quoted 21 74 117
Median daily rate £213 £350 £330
Median daily rate % change year-on-year -39.28% +6.06%  
90% offered a daily rate of more than £125 £225 £208
10% offered a daily rate of more than £375 £500 £413
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 25 5 12
Median hourly rate £19.00 £21.00 £19.00
Median hourly rate % change year-on-year -9.52% +10.52%  
90% offered a hourly rate of more than £17.50 £17.50 £12.90
10% offered a hourly rate of more than £42.50 £47.50 £39.90
UK excluding London median hourly rate £15.50 £16.50 £16.20
% change year-on-year -6.06% +1.85%  

Linux
Job Vacancy Trend in Cambridge

The job posting trend of jobs advertised in Cambridge 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 Cambridge

Linux
Contractor Daily Rate Trend in Cambridge

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

Contractor daily rate trend for Linux in Cambridge

Linux
Contractor Daily Rate Histogram in Cambridge

The daily rate distribution of IT jobs citing Linux in Cambridge over the 3 months to 23 June 2017.

Contractor daily rate histogram for Linux in Cambridge

Linux
Contractor Hourly Rate Trend in Cambridge

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

Contractor hourly rate trend for Linux in Cambridge

For the 6 months to 23 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 Cambridge region with a requirement for Linux.

1 33 (55.93%) Python
2 21 (35.59%) Windows
3 14 (23.73%) Perl
3 14 (23.73%) Software Engineering
4 12 (20.34%) C
4 12 (20.34%) Firmware
5 11 (18.64%) Embedded C
5 11 (18.64%) JavaScript
5 11 (18.64%) VMware
6 10 (16.95%) Active Directory
6 10 (16.95%) Git (software)
6 10 (16.95%) Jenkins
7 9 (15.25%) CentOS
7 9 (15.25%) Java
7 9 (15.25%) SQL
8 8 (13.56%) Wireless
8 8 (13.56%) Security Cleared
8 8 (13.56%) Test Scripting
9 7 (11.86%) Red Hat Enterprise Linux
9 7 (11.86%) Agile Software Development
9 7 (11.86%) Wi-Fi
9 7 (11.86%) Unix
9 7 (11.86%) Bluetooth
10 6 (10.17%) C#
10 6 (10.17%) Red Hat
10 6 (10.17%) Cisco
10 6 (10.17%) Configuration Management
10 6 (10.17%) DevOps
10 6 (10.17%) Test Automation
10 6 (10.17%) SC Cleared

Linux
Co-occurring IT Skills in Cambridge 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 3 (5.08%) Apache
1 3 (5.08%) Apache Spark
2 2 (3.39%) MediaWiki
2 2 (3.39%) MS Exchange
3 1 (1.69%) Confluence
3 1 (1.69%) Jupyter
3 1 (1.69%) OpenStack
3 1 (1.69%) SharePoint
3 1 (1.69%) Tomcat
3 1 (1.69%) WebSphere
Applications
1 2 (3.39%) Microsoft Office
2 1 (1.69%) Mozilla Thunderbird
2 1 (1.69%) Spreadsheet
Cloud Services
1 2 (3.39%) Amazon AWS
1 2 (3.39%) SaaS
2 1 (1.69%) AWS CloudFormation
2 1 (1.69%) AWS Lambda
2 1 (1.69%) Azure Active Directory
2 1 (1.69%) Microsoft Azure
2 1 (1.69%) Office 365
Communications & Networking
1 8 (13.56%) Wireless
2 7 (11.86%) Bluetooth
2 7 (11.86%) Wi-Fi
3 4 (6.78%) Internet
3 4 (6.78%) TCP/IP
3 4 (6.78%) WLAN
4 3 (5.08%) DHCP
4 3 (5.08%) DNS
4 3 (5.08%) MQTT
4 3 (5.08%) ZigBee
5 2 (3.39%) LDAP
5 2 (3.39%) VoIP
6 1 (1.69%) IMAP
6 1 (1.69%) IP Telephony
6 1 (1.69%) LAN
6 1 (1.69%) WAN
Database & Business Intelligence
1 3 (5.08%) Hadoop
1 3 (5.08%) PostgreSQL
2 2 (3.39%) MySQL
2 2 (3.39%) NoSQL
3 1 (1.69%) Amazon DynamoDB
3 1 (1.69%) Apache Hive
3 1 (1.69%) Big Data
3 1 (1.69%) Data Mining
3 1 (1.69%) SQL Server
Development Applications
1 10 (16.95%) Git (software)
1 10 (16.95%) Jenkins
2 3 (5.08%) Bugzilla
2 3 (5.08%) Visual Studio
3 2 (3.39%) JIRA
3 2 (3.39%) LabVIEW
3 2 (3.39%) Subversion
4 1 (1.69%) Bitbucket
4 1 (1.69%) TeamCity
General
1 2 (3.39%) Electronics
1 2 (3.39%) Finance
2 1 (1.69%) Banking
2 1 (1.69%) Games
2 1 (1.69%) Telecoms
Job Titles
1 12 (20.34%) Developer
2 11 (18.64%) Software Engineer
3 8 (13.56%) Linux Engineer
4 7 (11.86%) Embedded Engineer
5 6 (10.17%) Embedded Software Engineer
5 6 (10.17%) Python Developer
5 6 (10.17%) Test Engineer
6 5 (8.47%) Administrator
6 5 (8.47%) Senior Test Engineer
6 5 (8.47%) Systems Administrator
7 4 (6.78%) Consultant
7 4 (6.78%) Development Engineer
7 4 (6.78%) Linux Administrator
7 4 (6.78%) Linux Systems Administrator
7 4 (6.78%) Software Development Engineer
7 4 (6.78%) Software Test Engineer
8 3 (5.08%) DevOps Engineer
8 3 (5.08%) Senior Development Engineer
8 3 (5.08%) Senior Software Development Engineer
8 3 (5.08%) Senior Software Test Engineer
Libraries, Frameworks & Software Standards
1 4 (6.78%) Django
2 3 (5.08%) .NET
2 3 (5.08%) REST
2 3 (5.08%) RESTful
2 3 (5.08%) Web Services
2 3 (5.08%) XMPP
3 2 (3.39%) OpenGL
3 2 (3.39%) OpenGL ES
3 2 (3.39%) Ruby on Rails
4 1 (1.69%) Ajax
4 1 (1.69%) Celery
4 1 (1.69%) CSS
4 1 (1.69%) Flask
4 1 (1.69%) HTML
4 1 (1.69%) Java EE
4 1 (1.69%) JSON
4 1 (1.69%) JSP
4 1 (1.69%) RabbitMQ
4 1 (1.69%) SQLAlchemy
4 1 (1.69%) ZeroMQ
Miscellaneous
1 3 (5.08%) Computer Science
1 3 (5.08%) Embedded Systems
1 3 (5.08%) Internet of Things
2 2 (3.39%) Device Driver
2 2 (3.39%) Robotics
2 2 (3.39%) User Experience
3 1 (1.69%) Online Games
3 1 (1.69%) Video Conferencing
Operating Systems
1 21 (35.59%) Windows
2 9 (15.25%) CentOS
3 7 (11.86%) Red Hat Enterprise Linux
3 7 (11.86%) Unix
4 5 (8.47%) Windows Server
5 4 (6.78%) Embedded Linux
5 4 (6.78%) Ubuntu
6 3 (5.08%) Mac OS
6 3 (5.08%) Solaris
7 2 (3.39%) Debian
8 1 (1.69%) Mac OS X
8 1 (1.69%) Windows 10
8 1 (1.69%) Windows 7
8 1 (1.69%) Windows Server 2008
8 1 (1.69%) Windows Server 2012
Processes & Methodologies
1 14 (23.73%) Software Engineering
2 8 (13.56%) Test Scripting
3 7 (11.86%) Agile Software Development
4 6 (10.17%) Configuration Management
4 6 (10.17%) DevOps
4 6 (10.17%) Test Automation
5 5 (8.47%) Continuous Integration
6 4 (6.78%) Test Planning
7 3 (5.08%) Change Management
7 3 (5.08%) ITIL
7 3 (5.08%) Mathematics
7 3 (5.08%) Migration
8 2 (3.39%) Analytics
8 2 (3.39%) ArchiMate
8 2 (3.39%) Content Management
8 2 (3.39%) Data Migration
8 2 (3.39%) Disaster Recovery
8 2 (3.39%) Enterprise Content Management
8 2 (3.39%) MVC
8 2 (3.39%) OO
Programming Languages
1 33 (55.93%) Python
2 14 (23.73%) Perl
3 12 (20.34%) C
4 11 (18.64%) Embedded C
4 11 (18.64%) JavaScript
5 9 (15.25%) Java
5 9 (15.25%) SQL
6 6 (10.17%) C#
7 5 (8.47%) PHP
8 4 (6.78%) C++
8 4 (6.78%) Tcl
9 2 (3.39%) Embedded C++
9 2 (3.39%) MATLAB
9 2 (3.39%) Ruby
10 1 (1.69%) Bash Shell
10 1 (1.69%) PowerShell
10 1 (1.69%) R
10 1 (1.69%) Scala
10 1 (1.69%) Shell Script
Qualifications
1 8 (13.56%) Security Cleared
2 6 (10.17%) SC Cleared
3 5 (8.47%) Degree
4 2 (3.39%) Computer Science Degree
4 2 (3.39%) MCP
5 1 (1.69%) Master's Degree
5 1 (1.69%) MCSE
5 1 (1.69%) Microsoft Certification
Quality Assurance & Compliance
1 1 (1.69%) SLA
System Software
1 12 (20.34%) Firmware
2 10 (16.95%) Active Directory
3 2 (3.39%) Terminal Services
3 2 (3.39%) Virtual Machines
3 2 (3.39%) VMware Infrastructure
4 1 (1.69%) Hyper-V
Systems Management
1 2 (3.39%) Backup Exec
1 2 (3.39%) Terraform
1 2 (3.39%) yum
2 1 (1.69%) Ansible
2 1 (1.69%) Forefront Identity Manager
2 1 (1.69%) Microsoft Intune
2 1 (1.69%) OpenAM
2 1 (1.69%) Packer
2 1 (1.69%) Pingdom
Vendors
1 11 (18.64%) VMware
2 6 (10.17%) Cisco
2 6 (10.17%) Red Hat
3 4 (6.78%) Microsoft
4 2 (3.39%) Cloudera
4 2 (3.39%) NetApp
4 2 (3.39%) Oracle
5 1 (1.69%) AppDynamics
5 1 (1.69%) Atlassian
5 1 (1.69%) ForgeRock
5 1 (1.69%) PagerDuty
5 1 (1.69%) Perforce
5 1 (1.69%) Vertica
Cambridge, Cambridgeshire
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