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 27 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.

Ganglia
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 421 415 430
Rank change year-on-year -6 +15  
Contract jobs citing Ganglia 3 12 4
As % of all contract IT jobs advertised in London 0.014% 0.055% 0.017%
As % of the Systems Management category 0.13% 0.49% 0.22%
Number of daily rates quoted 1 11 4
Median daily rate £425 £455 £348
Median daily rate % change year-on-year -6.59% +30.93%  
UK excluding London median daily rate £425 £388 £288
% change year-on-year +9.67% +34.78%  
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 2366 2437 1860
As % of all contract IT job vacancies advertised in London 11.37% 11.19% 8.07%
Number of daily rates quoted 1711 1736 1268
Median daily rate £518 £488 £438
Median daily rate % change year-on-year +6.15% +11.42%  
90% offered a daily rate of more than £363 £338 £280
10% offered a daily rate of more than £625 £600 £575
UK excluding London median daily rate £450 £400 £380
% change year-on-year +12.50% +5.26%  
Number of hourly rates quoted 15 15 27
Median hourly rate £27.00 £19.00 £25.00
Median hourly rate % change year-on-year +42.10% -24.00%  
90% offered a hourly rate of more than £12.00 £17.99 £14.50
10% offered a hourly rate of more than £47.00 £47.25 £40.00
UK excluding London median hourly rate £17.50 £33.00 £20.50
% change year-on-year -46.96% +60.97%  

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
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ganglia within the London region over the 3 months to 27 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 1 £425 -
Ganglia
England

For the 6 months to 27 June 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 5 (83.33%) Unix
2 4 (66.67%) Splunk
2 4 (66.67%) logstash
2 4 (66.67%) DevOps
3 3 (50.00%) Graphite
3 3 (50.00%) AWS Elastic Beanstalk
3 3 (50.00%) Data Centre
3 3 (50.00%) Data Centre Operations
3 3 (50.00%) Computer Science Degree
3 3 (50.00%) vCloud
3 3 (50.00%) OpenStack
3 3 (50.00%) Analytics
3 3 (50.00%) Linux
3 3 (50.00%) DNS
3 3 (50.00%) Opscode Chef
3 3 (50.00%) Hyperic
3 3 (50.00%) Cloud Foundry
3 3 (50.00%) New Relic
3 3 (50.00%) Java
3 3 (50.00%) SAML
3 3 (50.00%) Nagios
3 3 (50.00%) VMware
3 3 (50.00%) Degree
3 3 (50.00%) Computer Science
3 3 (50.00%) Cacti
3 3 (50.00%) Amazon AWS
3 3 (50.00%) vSphere
3 3 (50.00%) PaaS
3 3 (50.00%) Heroku
3 3 (50.00%) Puppet

Ganglia
Co-occurring 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 3 (50.00%) Cloud Foundry
1 3 (50.00%) OpenStack
2 1 (16.67%) DataSynapse
2 1 (16.67%) Elasticsearch
Cloud Services
1 3 (50.00%) Amazon AWS
1 3 (50.00%) AWS Elastic Beanstalk
1 3 (50.00%) Heroku
1 3 (50.00%) PaaS
Communications & Networking
1 3 (50.00%) DNS
Database & Business Intelligence
1 2 (33.33%) Oracle Database
General
1 2 (33.33%) Banking
Job Titles
1 3 (50.00%) Cloud Consultant
1 3 (50.00%) Consultant
2 2 (33.33%) Architect
2 2 (33.33%) Cloud Architect
2 2 (33.33%) Cloud Infrastructure Architect
2 2 (33.33%) Cloud Infrastructure Consultant
2 2 (33.33%) Infrastructure Architect
2 2 (33.33%) Infrastructure Consultant
3 1 (16.67%) Grid Engineer
3 1 (16.67%) Performance Test Leader
3 1 (16.67%) Test Leader
3 1 (16.67%) TIBCO Engineer
Libraries, Frameworks & Software Standards
1 3 (50.00%) SAML
2 1 (16.67%) Elastic Stack
2 1 (16.67%) Middleware
Miscellaneous
1 3 (50.00%) Computer Science
1 3 (50.00%) Data Centre
2 1 (16.67%) Equities
2 1 (16.67%) Fixed Income
2 1 (16.67%) Foreign Exchange (FX)
2 1 (16.67%) Grid Computing
2 1 (16.67%) Virtual Team
Operating Systems
1 5 (83.33%) Unix
2 3 (50.00%) Linux
3 1 (16.67%) Windows
3 1 (16.67%) Windows Server
3 1 (16.67%) Windows Server 2008
Processes & Methodologies
1 4 (66.67%) DevOps
2 3 (50.00%) Analytics
2 3 (50.00%) Data Centre Operations
3 2 (33.33%) Performance Monitoring
3 2 (33.33%) Performance Testing
3 2 (33.33%) Test Planning
4 1 (16.67%) Configuration Management
4 1 (16.67%) Disaster Recovery
4 1 (16.67%) ITIL
4 1 (16.67%) Migration
4 1 (16.67%) Project Management
4 1 (16.67%) Workflow
Programming Languages
1 3 (50.00%) Java
2 1 (16.67%) PowerShell
Qualifications
1 3 (50.00%) Computer Science Degree
1 3 (50.00%) Degree
System Software
1 3 (50.00%) vCloud
1 3 (50.00%) VMware ESXi
1 3 (50.00%) vSphere
Systems Management
1 4 (66.67%) logstash
2 3 (50.00%) Cacti
2 3 (50.00%) Graphite
2 3 (50.00%) Hyperic
2 3 (50.00%) Nagios
2 3 (50.00%) Opscode Chef
2 3 (50.00%) Puppet
3 2 (33.33%) nmon
4 1 (16.67%) Ansible
4 1 (16.67%) ITRS Geneos
4 1 (16.67%) Kibana
Vendors
1 4 (66.67%) Splunk
2 3 (50.00%) New Relic
2 3 (50.00%) VMware
3 2 (33.33%) AppDynamics
3 2 (33.33%) Oracle
4 1 (16.67%) TIBCO