The following table provides summary statistics for contract job vacancies 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 28 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.

Ganglia
UK
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 596 618 641
Rank change year-on-year +22 +23  
Contract jobs citing Ganglia 12 21 1
As % of all contract IT jobs advertised in the UK 0.027% 0.039% 0.002%
As % of the Systems Management category 0.27% 0.42% 0.022%
Number of daily rates quoted 9 16 1
Median daily rate £425 £488 £400
Median daily rate % change year-on-year -12.82% +21.87%  
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 with a requirement for systems management skills.

Systems Management Skills
UK
Contract job vacancies with a requirement for systems management skills 4519 4958 4505
As % of all contract IT job vacancies advertised in the UK 10.02% 9.25% 8.34%
Number of daily rates quoted 3039 3146 2679
Median daily rate £465 £450 £417
Median daily rate % change year-on-year +3.33% +7.91%  
90% offered a daily rate of more than £300 £300 £250
10% offered a daily rate of more than £600 £550 £550
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 94 134 173
Median hourly rate £24.50 £22.50 £20.06
Median hourly rate % change year-on-year +8.88% +12.16%  
90% offered a hourly rate of more than £14.00 £13.00 £13.00
10% offered a hourly rate of more than £47.00 £55.00 £37.90
UK excluding London median hourly rate £19.00 £22.50 £20.50
% change year-on-year -15.55% +9.75%  

Ganglia
Job Vacancy Trend

The job posting trend of jobs advertised 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 the UK

Ganglia
Contractor Daily Rate Trend

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

Contractor daily rate trend for Ganglia in the UK

Ganglia
Top 7 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ganglia within the UK over the 3 months to 28 March 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
England +22 12 £425 -12.82%
Northampton - 5 £425 -
Northamptonshire - 5 £425 -
East Midlands - 5 £425 -
Manchester - 4 £400 -
North West - 4 £400 -
London +18 3 - -

For the 6 months to 28 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 with a requirement for Ganglia.

1 21 (84.00%) Java
2 17 (68.00%) Unix
3 15 (60.00%) Linux
3 15 (60.00%) Nagios
3 15 (60.00%) Puppet
3 15 (60.00%) Opscode Chef
3 15 (60.00%) DevOps
3 15 (60.00%) Graphite
4 12 (48.00%) Amazon AWS
4 12 (48.00%) OpenStack
5 11 (44.00%) Ruby
5 11 (44.00%) Configuration Management
5 11 (44.00%) Python
6 10 (40.00%) Performance Testing
6 10 (40.00%) Oracle
6 10 (40.00%) Oracle Database
6 10 (40.00%) nmon
6 10 (40.00%) Performance Engineering
6 10 (40.00%) AppDynamics
7 8 (32.00%) Travis CI
7 8 (32.00%) GoCD
7 8 (32.00%) Riemann
7 8 (32.00%) Kibana
7 8 (32.00%) Ansible
7 8 (32.00%) Jenkins
7 8 (32.00%) Continuous Integration
7 8 (32.00%) CentOS
7 8 (32.00%) Red Hat Enterprise Linux
7 8 (32.00%) Git (software)
7 8 (32.00%) Subversion

Ganglia
Co-occurring IT Skills 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 12 (48.00%) OpenStack
2 4 (16.00%) Cloud Foundry
3 3 (12.00%) Alfresco
3 3 (12.00%) Apache
3 3 (12.00%) Apache Solr
3 3 (12.00%) Elasticsearch
3 3 (12.00%) nginx
3 3 (12.00%) Tomcat
Cloud Services
1 12 (48.00%) Amazon AWS
2 4 (16.00%) AWS Elastic Beanstalk
2 4 (16.00%) Heroku
2 4 (16.00%) PaaS
3 3 (12.00%) IaaS
Communications & Networking
1 8 (32.00%) HTTPS
1 8 (32.00%) SSL
1 8 (32.00%) TCP/IP
2 4 (16.00%) DNS
Database & Business Intelligence
1 10 (40.00%) Oracle Database
2 3 (12.00%) MySQL
Development Applications
1 8 (32.00%) Git (software)
1 8 (32.00%) GoCD
1 8 (32.00%) Jenkins
1 8 (32.00%) Subversion
1 8 (32.00%) Travis CI
2 3 (12.00%) Vagrant
General
1 5 (20.00%) Banking
2 4 (16.00%) Finance
Job Titles
1 11 (44.00%) DevOps Engineer
2 7 (28.00%) Analyst
2 7 (28.00%) Performance Analyst
2 7 (28.00%) Performance Test Analyst
2 7 (28.00%) Test Analyst
3 4 (16.00%) Cloud Consultant
3 4 (16.00%) Consultant
4 3 (12.00%) Architect
4 3 (12.00%) Cloud Architect
4 3 (12.00%) Cloud Infrastructure Architect
4 3 (12.00%) Cloud Infrastructure Consultant
4 3 (12.00%) Infrastructure Architect
4 3 (12.00%) Infrastructure Consultant
4 3 (12.00%) Performance Tester
4 3 (12.00%) Tester
5 1 (4.00%) Financial Analyst
5 1 (4.00%) Service Analyst
5 1 (4.00%) Service Performance Analyst
Libraries, Frameworks & Software Standards
1 4 (16.00%) SAML
2 3 (12.00%) ActiveMQ
2 3 (12.00%) LAMP
2 3 (12.00%) LEMP Stack
2 3 (12.00%) RabbitMQ
Miscellaneous
1 4 (16.00%) Computer Science
1 4 (16.00%) Data Centre
Operating Systems
1 17 (68.00%) Unix
2 15 (60.00%) Linux
3 8 (32.00%) CentOS
3 8 (32.00%) Fedora
3 8 (32.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 15 (60.00%) DevOps
2 11 (44.00%) Configuration Management
3 10 (40.00%) Performance Engineering
3 10 (40.00%) Performance Testing
4 8 (32.00%) Agile Software Development
4 8 (32.00%) Continuous Integration
5 6 (24.00%) Performance Monitoring
5 6 (24.00%) Test Planning
5 6 (24.00%) Test Scripting
5 6 (24.00%) Test Strategy
6 5 (20.00%) Volume Testing
7 4 (16.00%) Analytics
7 4 (16.00%) Data Centre Operations
8 3 (12.00%) E-Commerce
8 3 (12.00%) Open Source
Programming Languages
1 21 (84.00%) Java
2 11 (44.00%) Python
2 11 (44.00%) Ruby
3 3 (12.00%) Perl
Qualifications
1 4 (16.00%) Degree
System Software
1 4 (16.00%) vCloud
1 4 (16.00%) VMware ESX
1 4 (16.00%) VMware ESXi
1 4 (16.00%) vSphere
Systems Management
1 15 (60.00%) Graphite
1 15 (60.00%) Nagios
1 15 (60.00%) Opscode Chef
1 15 (60.00%) Puppet
2 10 (40.00%) nmon
3 8 (32.00%) Ansible
3 8 (32.00%) Kibana
3 8 (32.00%) Riemann
4 6 (24.00%) Tivoli
4 6 (24.00%) Tivoli Monitoring
5 4 (16.00%) Cacti
5 4 (16.00%) Hyperic
5 4 (16.00%) logstash
6 3 (12.00%) StatsD
Vendors
1 10 (40.00%) AppDynamics
1 10 (40.00%) Oracle
2 8 (32.00%) Red Hat
3 6 (24.00%) IBM
4 4 (16.00%) New Relic
4 4 (16.00%) Splunk
4 4 (16.00%) VMware