The following table provides summary statistics for contract job vacancies advertised in Guildford 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 22 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
Surrey / Guildford
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 9 5 21
Rank change year-on-year -4 +16  
Contract jobs citing Linux 11 14 6
As % of all contract IT jobs advertised in Guildford 10.78% 15.38% 3.73%
As % of the Operating Systems category 55.00% 51.85% 15.00%
Number of daily rates quoted 7 9 4
Median daily rate £475 £401 £325
Median daily rate % change year-on-year +18.60% +23.23%  
90% offered a daily rate of more than £405 £400 £304
10% offered a daily rate of more than £503 £450 £364
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 1 3 0
Median hourly rate £16.50 £40.00 -
Median hourly rate % change year-on-year -58.75% -  
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 Guildford with a requirement for operating system skills.

Contract Operating System Skills
Guildford
Contract job vacancies with a requirement for operating system skills 20 27 40
As % of all contract IT job vacancies advertised in Guildford 19.61% 29.67% 24.84%
Number of daily rates quoted 12 17 22
Median daily rate £363 £400 £310
Median daily rate % change year-on-year -9.37% +29.03%  
90% offered a daily rate of more than £275 £135 £275
10% offered a daily rate of more than £503 £450 £400
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 4 5 5
Median hourly rate £13.25 £23.00 £15.75
Median hourly rate % change year-on-year -42.39% +46.03%  
UK excluding London median hourly rate £15.50 £16.97 £16.16
% change year-on-year -8.66% +5.01%  

Linux
Job Vacancy Trend in Guildford

The job posting trend of jobs advertised in Guildford 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 Guildford

Linux
Contractor Daily Rate Trend in Guildford

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

Contractor daily rate trend for Linux in Guildford

Linux
Contractor Daily Rate Histogram in Guildford

The daily rate distribution of IT jobs citing Linux in Guildford over the 3 months to 22 June 2017.

Contractor daily rate histogram for Linux in Guildford

Linux
Contractor Hourly Rate Trend in Guildford

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

Contractor hourly rate trend for Linux in Guildford

For the 6 months to 22 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 Guildford region with a requirement for Linux.

1 15 (55.56%) Java
1 15 (55.56%) Agile Software Development
2 14 (51.85%) Apache
3 13 (48.15%) RabbitMQ
4 12 (44.44%) REST
4 12 (44.44%) Jenkins
4 12 (44.44%) Spring
5 10 (37.04%) Middleware
5 10 (37.04%) Hadoop
6 9 (33.33%) JSON
6 9 (33.33%) Unix
6 9 (33.33%) TDD
6 9 (33.33%) Finance
7 8 (29.63%) Windows
7 8 (29.63%) Big Data
7 8 (29.63%) Apache Spark
8 7 (25.93%) Hadoop YARN
8 7 (25.93%) Apache ZooKeeper
8 7 (25.93%) BDD
8 7 (25.93%) Kafka
8 7 (25.93%) Unit Testing
8 7 (25.93%) System Testing
8 7 (25.93%) J2EE
9 6 (22.22%) HTTP
9 6 (22.22%) Law
9 6 (22.22%) Spring Boot
10 5 (18.52%) Web Services
10 5 (18.52%) Python
10 5 (18.52%) Git (software)
10 5 (18.52%) Elasticsearch

Linux
Co-occurring IT Skills in Guildford 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 14 (51.85%) Apache
2 8 (29.63%) Apache Spark
3 5 (18.52%) Elasticsearch
4 4 (14.81%) Confluence
4 4 (14.81%) OpenStack
5 2 (7.41%) Mule
5 2 (7.41%) nginx
6 1 (3.70%) Tomcat
6 1 (3.70%) WebSphere
Cloud Services
1 1 (3.70%) Amazon AWS
1 1 (3.70%) GitHub
1 1 (3.70%) Google Cloud Platform
1 1 (3.70%) Microsoft Azure
Communications & Networking
1 6 (22.22%) HTTP
2 3 (11.11%) Firewall
2 3 (11.11%) HTTPS
2 3 (11.11%) Network Security
2 3 (11.11%) TCP/IP
2 3 (11.11%) VPN
3 2 (7.41%) NetScaler
3 2 (7.41%) Wireshark
4 1 (3.70%) SSL
Database & Business Intelligence
1 10 (37.04%) Hadoop
2 8 (29.63%) Big Data
3 5 (18.52%) MongoDB
Development Applications
1 12 (44.44%) Jenkins
2 5 (18.52%) Git (software)
3 4 (14.81%) Bitbucket
3 4 (14.81%) JIRA
4 2 (7.41%) Maven
5 1 (3.70%) Hudson
5 1 (3.70%) LoadRunner
5 1 (3.70%) Selenium
5 1 (3.70%) SoapUI
5 1 (3.70%) Subversion
General
1 9 (33.33%) Finance
2 6 (22.22%) Law
3 4 (14.81%) Legal
Job Titles
1 16 (59.26%) Developer
2 13 (48.15%) Java Developer
3 5 (18.52%) Linux Engineer
4 4 (14.81%) Automation Engineer
4 4 (14.81%) Monitoring Engineer
4 4 (14.81%) Ruby Engineer
5 2 (7.41%) Analyst
5 2 (7.41%) J2EE Developer
5 2 (7.41%) Java/J2EE Developer
5 2 (7.41%) Linux Developer
5 2 (7.41%) Network Engineer
6 1 (3.70%) Junior Developer
6 1 (3.70%) Junior Java Developer
6 1 (3.70%) Linux Administrator
6 1 (3.70%) Linux Systems Administrator
6 1 (3.70%) QA Analyst
6 1 (3.70%) QA Test Analyst
6 1 (3.70%) Senior Java Developer
6 1 (3.70%) Senior Systems Administrator
6 1 (3.70%) Service Desk Analyst
Libraries, Frameworks & Software Standards
1 13 (48.15%) RabbitMQ
2 12 (44.44%) REST
2 12 (44.44%) Spring
3 10 (37.04%) Middleware
4 9 (33.33%) JSON
5 7 (25.93%) J2EE
5 7 (25.93%) Kafka
6 6 (22.22%) Spring Boot
7 5 (18.52%) Web Services
8 4 (14.81%) Elastic Stack
8 4 (14.81%) SOAP
9 3 (11.11%) XML
10 2 (7.41%) JAXB
11 1 (3.70%) ActiveMQ
11 1 (3.70%) AngularJS
11 1 (3.70%) CSS
11 1 (3.70%) Hibernate
11 1 (3.70%) HTML
11 1 (3.70%) JMS
11 1 (3.70%) WebSphere MQ
Miscellaneous
1 2 (7.41%) Linux Command Line
2 1 (3.70%) Algorithms
2 1 (3.70%) Analytical Skills
2 1 (3.70%) Data Centre
2 1 (3.70%) Data Structures
2 1 (3.70%) Smart Meter
Operating Systems
1 9 (33.33%) Unix
2 8 (29.63%) Windows
3 3 (11.11%) Ubuntu
4 1 (3.70%) Apple iOS
4 1 (3.70%) CentOS
4 1 (3.70%) Red Hat Enterprise Linux
4 1 (3.70%) Solaris
4 1 (3.70%) Windows 7
Processes & Methodologies
1 15 (55.56%) Agile Software Development
2 9 (33.33%) TDD
3 7 (25.93%) BDD
3 7 (25.93%) System Testing
3 7 (25.93%) Unit Testing
4 5 (18.52%) DevOps
5 4 (14.81%) Business Intelligence
5 4 (14.81%) Infrastructure Monitoring
5 4 (14.81%) Service Management
6 3 (11.11%) Continuous Integration
7 2 (7.41%) Data Transformation
7 2 (7.41%) Multithreading
7 2 (7.41%) Test Automation
8 1 (3.70%) Data Migration
8 1 (3.70%) Integration Testing
8 1 (3.70%) Load Balancing
8 1 (3.70%) Load Testing
8 1 (3.70%) OOD
8 1 (3.70%) Performance Testing
8 1 (3.70%) Test Scripting
Programming Languages
1 15 (55.56%) Java
2 5 (18.52%) Python
3 4 (14.81%) Ruby
4 3 (11.11%) Shell Script
5 2 (7.41%) Bash Shell
5 2 (7.41%) JavaScript
6 1 (3.70%) C++
6 1 (3.70%) PHP
Qualifications
1 4 (14.81%) SC Cleared
1 4 (14.81%) Security Cleared
2 1 (3.70%) ISEB
2 1 (3.70%) ISTQB
Quality Assurance & Compliance
1 2 (7.41%) QA
2 1 (3.70%) PA-DSS
2 1 (3.70%) PCI DSS
System Software
1 7 (25.93%) Apache ZooKeeper
2 4 (14.81%) Docker
3 2 (7.41%) VMware Infrastructure
4 1 (3.70%) Active Directory
4 1 (3.70%) vCloud
4 1 (3.70%) Virtual Machines
Systems Management
1 7 (25.93%) Hadoop YARN
2 5 (18.52%) Puppet
3 4 (14.81%) Kibana
3 4 (14.81%) logstash
3 4 (14.81%) Rsyslog
4 2 (7.41%) FortiGate
5 1 (3.70%) Ansible
5 1 (3.70%) Oozie
5 1 (3.70%) Opscode Chef
Vendors
1 4 (14.81%) LANDesk
1 4 (14.81%) SolarWinds
1 4 (14.81%) VMware
2 2 (7.41%) Citrix
2 2 (7.41%) Red Hat