The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Ganglia skills. Included is a benchmarking guide to the salaries 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.

Ganglia
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 594 637 651
Rank change year-on-year +43 +14  
Permanent jobs citing Ganglia 8 1 18
As % of all permanent IT jobs advertised in London 0.022% 0.002% 0.041%
As % of the Systems Management category 0.21% 0.025% 0.48%
Number of salaries quoted 8 1 15
Median salary £65,000 £85,000 £62,500
Median salary % change year-on-year -23.52% +36.00%  
90% offered a salary of more than £57,750 £85,000 £50,000
10% offered a salary of more than £67,500 £85,000 £74,000
UK excluding London median salary - £54,000 £52,500
% change year-on-year - +2.85%  

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

Systems Management Skills
London
Permanent job vacancies with a requirement for systems management skills 3835 4041 3788
As % of all permanent IT job vacancies advertised in London 10.45% 10.08% 8.56%
Number of salaries quoted 3173 3497 3163
Median salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.34%  
90% offered a salary of more than £40,860 £40,000 £40,000
10% offered a salary of more than £85,000 £75,000 £77,500
UK excluding London median salary £46,000 £45,000 £44,500
% change year-on-year +2.22% +1.12%  

Ganglia
Job Vacancy Trend in London

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

Job vacancy trend for Ganglia in London

Ganglia
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Ganglia in London.

Salary trend for Ganglia in London

Ganglia
Salary Histogram in London

The salary distribution of IT jobs citing Ganglia in London over the 3 months to 27 June 2017.

Salary histogram for Ganglia in London

Ganglia
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 2 £65,000 -
Ganglia
England

For the 6 months to 27 June 2017, IT jobs citing Ganglia also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Ganglia.

1 16 (88.89%) Nagios
2 14 (77.78%) DevOps
3 13 (72.22%) Opscode Chef
3 13 (72.22%) Amazon AWS
3 13 (72.22%) Configuration Management
3 13 (72.22%) Linux
4 11 (61.11%) Python
5 10 (55.56%) Ansible
6 9 (50.00%) Graphite
7 8 (44.44%) Docker
7 8 (44.44%) Bash Shell
7 8 (44.44%) Puppet
7 8 (44.44%) Perl
7 8 (44.44%) Ruby
7 8 (44.44%) Load Balancing
8 7 (38.89%) ZABBIX
8 7 (38.89%) Unix
8 7 (38.89%) E-Commerce
8 7 (38.89%) TCP/IP
8 7 (38.89%) High Availability
9 6 (33.33%) Oracle Database
9 6 (33.33%) Jenkins
9 6 (33.33%) Windows
9 6 (33.33%) Oracle
10 5 (27.78%) Web Services
10 5 (27.78%) Microsoft
10 5 (27.78%) Internet
10 5 (27.78%) Clustering
10 5 (27.78%) Business Continuity
10 5 (27.78%) Disaster Recovery

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 (16.67%) OpenStack
2 2 (11.11%) Apache
3 1 (5.56%) Apache Pig
3 1 (5.56%) Confluence
3 1 (5.56%) MS Exchange
Cloud Services
1 13 (72.22%) Amazon AWS
2 5 (27.78%) Microsoft Azure
Communications & Networking
1 7 (38.89%) TCP/IP
2 5 (27.78%) Internet
3 3 (16.67%) Firewall
3 3 (16.67%) VoIP
3 3 (16.67%) VPN
4 1 (5.56%) Kerberos
4 1 (5.56%) SAN
Database & Business Intelligence
1 6 (33.33%) Oracle Database
2 4 (22.22%) MySQL
3 1 (5.56%) Apache Hive
3 1 (5.56%) Hadoop
3 1 (5.56%) Oracle Database 10g
3 1 (5.56%) PostgreSQL
Development Applications
1 6 (33.33%) Jenkins
2 4 (22.22%) Git (software)
3 3 (16.67%) JMeter
3 3 (16.67%) JUnit
3 3 (16.67%) RSpec
3 3 (16.67%) Vagrant
4 2 (11.11%) Atlassian Bamboo
5 1 (5.56%) JIRA
5 1 (5.56%) Subversion
General
1 3 (16.67%) Retail
2 1 (5.56%) Banking
Job Titles
1 8 (44.44%) DevOps Engineer
2 5 (27.78%) Infrastructure Engineer
3 4 (22.22%) AWS Engineer
3 4 (22.22%) Linux Engineer
3 4 (22.22%) Senior Infrastructure Engineer
4 3 (16.67%) AWS DevOps
4 3 (16.67%) AWS DevOps Engineer
4 3 (16.67%) Linux DevOps Engineer
4 3 (16.67%) Linux/Unix DevOps
5 2 (11.11%) Administrator
6 1 (5.56%) Analyst
6 1 (5.56%) Cloud Engineer
6 1 (5.56%) Linux Administrator
6 1 (5.56%) Linux Systems Administrator
6 1 (5.56%) Performance Analyst
6 1 (5.56%) Performance Test Analyst
6 1 (5.56%) Senior Linux Engineer
6 1 (5.56%) Systems Administrator
6 1 (5.56%) Systems Engineer
6 1 (5.56%) Test Analyst
Libraries, Frameworks & Software Standards
1 5 (27.78%) Web Services
2 4 (22.22%) Sensu
3 3 (16.67%) libvirt
Miscellaneous
1 5 (27.78%) Clustering
2 2 (11.11%) Linux Command Line
Operating Systems
1 13 (72.22%) Linux
2 7 (38.89%) Unix
3 6 (33.33%) Windows
4 1 (5.56%) Windows Server
4 1 (5.56%) Windows Server 2008
4 1 (5.56%) Windows Server 2012
Processes & Methodologies
1 14 (77.78%) DevOps
2 13 (72.22%) Configuration Management
3 8 (44.44%) Load Balancing
4 7 (38.89%) E-Commerce
4 7 (38.89%) High Availability
5 5 (27.78%) Business Continuity
5 5 (27.78%) Disaster Recovery
5 5 (27.78%) IT Strategy
5 5 (27.78%) Open Source
6 4 (22.22%) Capacity Planning
6 4 (22.22%) Continuous Integration
7 3 (16.67%) Agile Software Development
7 3 (16.67%) Line Management
7 3 (16.67%) Open Source Development
7 3 (16.67%) Performance Testing
7 3 (16.67%) Software Engineering
7 3 (16.67%) Unit Testing
8 2 (11.11%) Data Security
9 1 (5.56%) Migration
9 1 (5.56%) Test Scripting
Programming Languages
1 11 (61.11%) Python
2 8 (44.44%) Bash Shell
2 8 (44.44%) Perl
2 8 (44.44%) Ruby
3 1 (5.56%) Java
3 1 (5.56%) PL/SQL
3 1 (5.56%) SQL
Quality Assurance & Compliance
1 1 (5.56%) Data Quality
System Software
1 8 (44.44%) Docker
2 3 (16.67%) KVM
2 3 (16.67%) Xen
3 1 (5.56%) Active Directory
3 1 (5.56%) HDFS
3 1 (5.56%) NFS
3 1 (5.56%) VMware Infrastructure
Systems Management
1 16 (88.89%) Nagios
2 13 (72.22%) Opscode Chef
3 10 (55.56%) Ansible
4 9 (50.00%) Graphite
5 8 (44.44%) Puppet
6 7 (38.89%) ZABBIX
7 5 (27.78%) Riemann
8 3 (16.67%) Docker Swarm
8 3 (16.67%) Kubernetes
8 3 (16.67%) Mesos
8 3 (16.67%) StatsD
9 2 (11.11%) Terraform
10 1 (5.56%) BMC PATROL
10 1 (5.56%) Cacti
10 1 (5.56%) OpenView
Vendors
1 6 (33.33%) Oracle
2 5 (27.78%) Microsoft
3 2 (11.11%) Dell
4 1 (5.56%) AppDynamics
4 1 (5.56%) BMC
4 1 (5.56%) Cloudera
4 1 (5.56%) HP
4 1 (5.56%) New Relic
4 1 (5.56%) SaltStack
4 1 (5.56%) SGI
4 1 (5.56%) VMware