The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Debian skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Debian 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.

Debian Linux
London / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 161 - 183
Rank change year-on-year - 0  
Contract jobs citing Debian 1 0 8
As % of all contract IT jobs advertised in the City of London 0.033% - 0.16%
As % of the Operating Systems category 0.14% - 0.71%
Number of daily rates quoted 1 0 8
Median daily rate £325 - £350
UK excluding London median daily rate £475 £425 £325
% change year-on-year +11.76% +30.76%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Debian 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 the City of London with a requirement for operating system skills.

Contract Operating System Skills
City of London
Contract job vacancies with a requirement for operating system skills 702 709 1122
As % of all contract IT job vacancies advertised in the City of London 22.85% 20.95% 21.94%
Number of daily rates quoted 565 559 863
Median daily rate £469 £438 £413
Median daily rate % change year-on-year +7.14% +5.93%  
90% offered a daily rate of more than £222 £225 £190
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £385 £365 £338
% change year-on-year +5.47% +8.14%  
Number of hourly rates quoted 11 21 34
Median hourly rate £14.50 £19.00 £17.98
Median hourly rate % change year-on-year -23.68% +5.67%  
90% offered a hourly rate of more than £13.50 £13.00 £13.10
10% offered a hourly rate of more than £52.40 £30.00 £105.00
UK excluding London median hourly rate £15.25 £16.50 £15.50
% change year-on-year -7.57% +6.45%  

Debian
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Debian as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Debian in the City of London

Debian
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Debian in the City of London.

Contractor daily rate trend for Debian in the City of London

Debian
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Debian in the City of London.

Contractor hourly rate trend for Debian in the City of London

For the 6 months to 29 March 2017, IT contractor jobs citing Debian 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 City of London region with a requirement for Debian.

1 5 (100.00%) Linux
2 4 (80.00%) Ubuntu
3 3 (60.00%) Xen
3 3 (60.00%) PostgreSQL
3 3 (60.00%) Puppet
3 3 (60.00%) Apache Cassandra
3 3 (60.00%) Apache
3 3 (60.00%) MySQL
3 3 (60.00%) Cisco
3 3 (60.00%) Dell
3 3 (60.00%) Citrix
3 3 (60.00%) Nagios
3 3 (60.00%) nginx
3 3 (60.00%) logstash
3 3 (60.00%) DevOps
3 3 (60.00%) Kibana
3 3 (60.00%) Firewall
3 3 (60.00%) Elastic Stack
4 1 (20.00%) Financial Institution
4 1 (20.00%) Red Hat
4 1 (20.00%) CSS
4 1 (20.00%) Windows
4 1 (20.00%) HTML
4 1 (20.00%) JavaScript
4 1 (20.00%) PHP
4 1 (20.00%) Python
4 1 (20.00%) OO
4 1 (20.00%) Node.js
4 1 (20.00%) CSS3
4 1 (20.00%) Continuous Improvement

Debian
Co-occurring IT Skills in the City of London 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 (60.00%) Apache
1 3 (60.00%) nginx
2 1 (20.00%) Confluence
Cloud Services
1 1 (20.00%) Amazon AWS
1 1 (20.00%) SaaS
Communications & Networking
1 3 (60.00%) Firewall
Database & Business Intelligence
1 3 (60.00%) Apache Cassandra
1 3 (60.00%) MySQL
1 3 (60.00%) PostgreSQL
Development Applications
1 1 (20.00%) JIRA
1 1 (20.00%) Phabricator
General
1 1 (20.00%) Finance
1 1 (20.00%) Financial Institution
Job Titles
1 2 (40.00%) Administrator
1 2 (40.00%) Systems Administrator
2 1 (20.00%) Analyst
2 1 (20.00%) DevOps Engineer
2 1 (20.00%) Systems Analyst
Libraries, Frameworks & Software Standards
1 3 (60.00%) Elastic Stack
2 1 (20.00%) Ajax
2 1 (20.00%) CSS
2 1 (20.00%) CSS3
2 1 (20.00%) HTML
2 1 (20.00%) HTML5
2 1 (20.00%) jQuery
2 1 (20.00%) Node.js
2 1 (20.00%) React
2 1 (20.00%) Twitter Bootstrap
Miscellaneous
1 1 (20.00%) Fintech
Operating Systems
1 5 (100.00%) Linux
2 4 (80.00%) Ubuntu
3 1 (20.00%) Fedora
3 1 (20.00%) Windows
Processes & Methodologies
1 3 (60.00%) DevOps
2 1 (20.00%) Agile Software Development
2 1 (20.00%) Analytics
2 1 (20.00%) Continuous Improvement
2 1 (20.00%) Data Analytics
2 1 (20.00%) OO
2 1 (20.00%) Open Source
2 1 (20.00%) Scrum
Programming Languages
1 1 (20.00%) Bash Shell
1 1 (20.00%) JavaScript
1 1 (20.00%) PHP
1 1 (20.00%) Python
Qualifications
1 1 (20.00%) Degree
System Software
1 3 (60.00%) Xen
Systems Management
1 3 (60.00%) Kibana
1 3 (60.00%) logstash
1 3 (60.00%) Nagios
1 3 (60.00%) Puppet
Vendors
1 3 (60.00%) Cisco
1 3 (60.00%) Citrix
1 3 (60.00%) Dell
2 1 (20.00%) Red Hat
2 1 (20.00%) Twitter
2 1 (20.00%) VMware