The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Ganglia skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ganglia over the 3 months to 22 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Ganglia
England / London
Rank 405 410 411
Rank change year-on-year +5 +1  
Contract jobs citing Ganglia 3 10 1
As % of all contract IT jobs advertised in London 0.016% 0.046% 0.005%
As % of the Systems Management category 0.14% 0.46% 0.056%
Number of daily rates quoted 0 8 1
Median daily rate - £675 £500
Median daily rate % change year-on-year - +35.00%  
UK excluding London median daily rate £425 £350 £400
% change year-on-year +21.42% -12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Ganglia is in the systems management skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for systems management skills.

Systems Management Skills
London
Contract job vacancies with a requirement for systems management skills 2106 2173 1785
As % of all contract IT job vacancies advertised in London 11.06% 9.89% 8.57%
Number of daily rates quoted 1497 1532 1224
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £350 £340 £298
10% offered a daily rate of more than £613 £575 £575
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 21 22 37
Median hourly rate £47.00 £22.50 £19.00
Median hourly rate % change year-on-year +108.88% +18.42%  
UK excluding London median hourly rate £19.50 £23.25 £21.50
% change year-on-year -16.12% +8.13%  

Ganglia
Job Vacancy Trend in London

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

Job vacancy trend for Ganglia in London

Ganglia
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Ganglia in London

Ganglia
Top 30 Related IT Skills in London

For the 6 months to 22 March 2017, IT contractor jobs citing Ganglia 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 London region with a requirement for Ganglia.

1 8 (100.00%) Unix
2 7 (87.50%) Linux
2 7 (87.50%) Nagios
2 7 (87.50%) Puppet
2 7 (87.50%) Opscode Chef
2 7 (87.50%) DevOps
2 7 (87.50%) Graphite
3 4 (50.00%) AWS Elastic Beanstalk
3 4 (50.00%) Data Centre
3 4 (50.00%) Data Centre Operations
3 4 (50.00%) logstash
3 4 (50.00%) Hyperic
3 4 (50.00%) Cloud Foundry
3 4 (50.00%) New Relic
3 4 (50.00%) Splunk
3 4 (50.00%) vCloud
3 4 (50.00%) OpenStack
3 4 (50.00%) Analytics
3 4 (50.00%) VMware ESXi
3 4 (50.00%) vSphere
3 4 (50.00%) PaaS
3 4 (50.00%) Heroku
3 4 (50.00%) Cacti
3 4 (50.00%) Amazon AWS
3 4 (50.00%) VMware
3 4 (50.00%) VMware ESX
3 4 (50.00%) Degree
3 4 (50.00%) Computer Science
3 4 (50.00%) DNS
3 4 (50.00%) SAML

Ganglia
Top Related IT Skills in 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 4 (50.00%) Cloud Foundry
1 4 (50.00%) OpenStack
2 3 (37.50%) Alfresco
2 3 (37.50%) Apache
2 3 (37.50%) Apache Solr
2 3 (37.50%) Elasticsearch
2 3 (37.50%) nginx
2 3 (37.50%) Tomcat
Cloud Services
1 4 (50.00%) Amazon AWS
1 4 (50.00%) AWS Elastic Beanstalk
1 4 (50.00%) Heroku
1 4 (50.00%) PaaS
2 3 (37.50%) IaaS
Communications & Networking
1 4 (50.00%) DNS
Database & Business Intelligence
1 3 (37.50%) MySQL
2 1 (12.50%) Oracle Database
Development Applications
1 3 (37.50%) Vagrant
Job Titles
1 4 (50.00%) Cloud Consultant
1 4 (50.00%) Consultant
2 3 (37.50%) Architect
2 3 (37.50%) Cloud Architect
2 3 (37.50%) Cloud Infrastructure Architect
2 3 (37.50%) Cloud Infrastructure Consultant
2 3 (37.50%) DevOps Engineer
2 3 (37.50%) Infrastructure Architect
2 3 (37.50%) Infrastructure Consultant
3 1 (12.50%) Performance Tester
3 1 (12.50%) Tester
Libraries, Frameworks & Software Standards
1 4 (50.00%) SAML
2 3 (37.50%) ActiveMQ
2 3 (37.50%) LAMP
2 3 (37.50%) LEMP Stack
2 3 (37.50%) RabbitMQ
Miscellaneous
1 4 (50.00%) Computer Science
1 4 (50.00%) Data Centre
Operating Systems
1 8 (100.00%) Unix
2 7 (87.50%) Linux
Processes & Methodologies
1 7 (87.50%) DevOps
2 4 (50.00%) Analytics
2 4 (50.00%) Data Centre Operations
3 3 (37.50%) Configuration Management
3 3 (37.50%) E-Commerce
3 3 (37.50%) Open Source
4 1 (12.50%) Performance Engineering
4 1 (12.50%) Performance Testing
Programming Languages
1 4 (50.00%) Java
2 3 (37.50%) Perl
2 3 (37.50%) Python
2 3 (37.50%) Ruby
Qualifications
1 4 (50.00%) Degree
System Software
1 4 (50.00%) vCloud
1 4 (50.00%) VMware ESX
1 4 (50.00%) VMware ESXi
1 4 (50.00%) vSphere
Systems Management
1 7 (87.50%) Graphite
1 7 (87.50%) Nagios
1 7 (87.50%) Opscode Chef
1 7 (87.50%) Puppet
2 4 (50.00%) Cacti
2 4 (50.00%) Hyperic
2 4 (50.00%) logstash
3 3 (37.50%) StatsD
4 1 (12.50%) nmon
Vendors
1 4 (50.00%) New Relic
1 4 (50.00%) Splunk
1 4 (50.00%) VMware
2 1 (12.50%) AppDynamics
2 1 (12.50%) Oracle