The following table provides summary statistics for contract job vacancies advertised in Hammersmith 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
London / Hammersmith
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 1 4 8
Rank change year-on-year +3 +4  
Contract jobs citing Linux 14 4 4
As % of all contract IT jobs advertised in Hammersmith 31.11% 12.50% 11.11%
As % of the Operating Systems category 82.35% 40.00% 40.00%
Number of daily rates quoted 10 2 4
Median daily rate £555 £475 £373
Median daily rate % change year-on-year +16.84% +27.51%  
90% offered a daily rate of more than £520 £435 £191
10% offered a daily rate of more than £619 £515 £472
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 Hammersmith with a requirement for operating system skills.

Contract Operating System Skills
Hammersmith
Contract job vacancies with a requirement for operating system skills 17 10 10
As % of all contract IT job vacancies advertised in Hammersmith 37.78% 31.25% 27.78%
Number of daily rates quoted 12 8 7
Median daily rate £555 £150 £275
Median daily rate % change year-on-year +270.00% -45.45%  
90% offered a daily rate of more than £520 £120 £179
10% offered a daily rate of more than £615 £525 £472
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 Hammersmith

The job posting trend of jobs advertised in Hammersmith 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 Hammersmith

Linux
Contractor Daily Rate Trend in Hammersmith

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

Contractor daily rate trend for Linux in Hammersmith

Linux
Contractor Daily Rate Histogram in Hammersmith

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

Contractor daily rate histogram for Linux in Hammersmith

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 Hammersmith region with a requirement for Linux.

1 15 (83.33%) CentOS
1 15 (83.33%) Red Hat Enterprise Linux
2 14 (77.78%) DevOps
3 12 (66.67%) SC Cleared
3 12 (66.67%) Security Cleared
4 10 (55.56%) Git (software)
4 10 (55.56%) Ruby
4 10 (55.56%) Shell Script
4 10 (55.56%) VMware
5 9 (50.00%) Java
5 9 (50.00%) LDAP
5 9 (50.00%) SMTP
5 9 (50.00%) HTTP
5 9 (50.00%) Groovy
6 8 (44.44%) Sensu
6 8 (44.44%) Apache
6 8 (44.44%) IMAP
6 8 (44.44%) Configuration Management
7 7 (38.89%) DNS
7 7 (38.89%) OOP
7 7 (38.89%) OO
7 7 (38.89%) SOAP
7 7 (38.89%) Web Services
7 7 (38.89%) Tomcat
7 7 (38.89%) Opscode Chef
7 7 (38.89%) RESTful
7 7 (38.89%) Elastic Stack
8 6 (33.33%) Line Management
9 5 (27.78%) ITIL
9 5 (27.78%) Project Management

Linux
Co-occurring IT Skills in Hammersmith 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 (44.44%) Apache
2 7 (38.89%) Tomcat
3 1 (5.56%) CMS
3 1 (5.56%) nginx
3 1 (5.56%) OpenStack
Cloud Services
1 3 (16.67%) GitHub
2 1 (5.56%) Amazon AWS
2 1 (5.56%) AWS CloudFormation
2 1 (5.56%) Microsoft Azure
Communications & Networking
1 9 (50.00%) HTTP
1 9 (50.00%) LDAP
1 9 (50.00%) SMTP
2 8 (44.44%) IMAP
3 7 (38.89%) DNS
4 1 (5.56%) SSH
Database & Business Intelligence
1 1 (5.56%) MySQL
1 1 (5.56%) NoSQL
1 1 (5.56%) Relational Database
Development Applications
1 10 (55.56%) Git (software)
2 2 (11.11%) Mercurial
3 1 (5.56%) Atlassian Bamboo
3 1 (5.56%) Jenkins
3 1 (5.56%) Subversion
3 1 (5.56%) TeamCity
General
1 1 (5.56%) Finance
1 1 (5.56%) Telecoms
Job Titles
1 9 (50.00%) DevOps Engineer
2 5 (27.78%) Team Leader
3 4 (22.22%) Lead DevOps
4 2 (11.11%) Technical Leader
5 1 (5.56%) Administrator
5 1 (5.56%) Consultant
5 1 (5.56%) Developer
5 1 (5.56%) DevOps Consultant
5 1 (5.56%) Linux Administrator
5 1 (5.56%) Linux Systems Administrator
5 1 (5.56%) PHP Developer
5 1 (5.56%) Systems Administrator
5 1 (5.56%) Technical Team Leader
Libraries, Frameworks & Software Standards
1 8 (44.44%) Sensu
2 7 (38.89%) Elastic Stack
2 7 (38.89%) RESTful
2 7 (38.89%) SOAP
2 7 (38.89%) Web Services
3 1 (5.56%) CSS
3 1 (5.56%) HTML
3 1 (5.56%) JSON
3 1 (5.56%) Laravel
Miscellaneous
1 1 (5.56%) Analytical Skills
1 1 (5.56%) Digital Media
1 1 (5.56%) Hybrid Cloud
1 1 (5.56%) Private Cloud
1 1 (5.56%) Public Cloud
Operating Systems
1 15 (83.33%) CentOS
1 15 (83.33%) Red Hat Enterprise Linux
2 2 (11.11%) Windows
3 1 (5.56%) Unix
Processes & Methodologies
1 14 (77.78%) DevOps
2 8 (44.44%) Configuration Management
3 7 (38.89%) OO
3 7 (38.89%) OOP
4 6 (33.33%) Line Management
5 5 (27.78%) ITIL
5 5 (27.78%) Project Management
5 5 (27.78%) Service Management
6 1 (5.56%) Agile Software Development
6 1 (5.56%) Content Management
6 1 (5.56%) Continuous Integration
6 1 (5.56%) Front End Development
6 1 (5.56%) Kanban
6 1 (5.56%) Use Case
Programming Languages
1 10 (55.56%) Ruby
1 10 (55.56%) Shell Script
2 9 (50.00%) Groovy
2 9 (50.00%) Java
3 2 (11.11%) Python
4 1 (5.56%) PHP
Qualifications
1 12 (66.67%) SC Cleared
1 12 (66.67%) Security Cleared
System Software
1 2 (11.11%) VMware Infrastructure
2 1 (5.56%) Docker
Systems Management
1 7 (38.89%) Opscode Chef
2 1 (5.56%) Ansible
2 1 (5.56%) Kubernetes
2 1 (5.56%) Puppet
2 1 (5.56%) Rancher
2 1 (5.56%) Terraform
2 1 (5.56%) ZABBIX
Vendors
1 10 (55.56%) VMware
2 1 (5.56%) Adobe
2 1 (5.56%) Perforce