Period
to 16 July 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Xen skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Xen over the 6 months to 16 July 2018 with a comparison to the same period in the previous 2 years.

Xen Project
Central London > City of London
6 months to
16 Jul 2018
Same period 2017 Same period 2016
Rank 344 327 354
Rank change year-on-year -17 +27 +65
Permanent jobs citing Xen 7 14 28
As % of all permanent IT jobs advertised in the City of London 0.062% 0.14% 0.21%
As % of the System Software category 0.42% 1.02% 1.71%
Number of salaries quoted 7 13 27
City of London median annual salary £95,000 £70,000 £67,500
Median salary % change year-on-year +35.71% +3.70% +28.57%
10th Percentile £57,000 £36,500 £50,000
90th Percentile £97,500 £81,750 £75,000
Central London median annual salary £95,000 £67,500 £67,500
% change year-on-year +40.74% - +28.57%

Xen is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for system software skills.

All System Software Skills
City of London
Permanent vacancies with a requirement for system software skills 1,654 1,379 1,636
As % of all permanent IT jobs advertised in the City of London 14.70% 13.38% 12.03%
Number of salaries quoted 1,527 1,256 1,480
City of London median annual salary £60,000 £52,500 £52,500
Median salary % change year-on-year +14.29% - +8.25%
10th Percentile £30,000 £28,000 £27,735
90th Percentile £90,000 £82,500 £78,875
Central London median annual salary £57,500 £50,000 £50,000
% change year-on-year +15.00% - +5.26%

Xen
Job Vacancy Trend in the City of London

Job postings citing Xen as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Xen in the City of London

Xen
Salary Trend in the City of London

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

Salary trend for Xen in the City of London

Xen
Salary Histogram in the City of London

The salary distribution of IT jobs citing Xen in the City of London over the 6 months to 16 July 2018.

Salary histogram for Xen in the City of London

For the 6 months to 16 July 2018, IT jobs citing Xen also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for Xen.

1 7 (100.00%) Linux
1 7 (100.00%) Python
1 7 (100.00%) VMware
1 7 (100.00%) Amazon AWS
1 7 (100.00%) Puppet
1 7 (100.00%) Opscode Chef
1 7 (100.00%) Ansible
2 6 (85.71%) KVM
2 6 (85.71%) High Availability
2 6 (85.71%) DevOps
2 6 (85.71%) VMware Infrastructure
2 6 (85.71%) Apache
2 6 (85.71%) Unix
2 6 (85.71%) Java
3 5 (71.43%) JavaScript
3 5 (71.43%) C
3 5 (71.43%) Shell Script
3 5 (71.43%) Test Automation
3 5 (71.43%) Scala
3 5 (71.43%) Hadoop
3 5 (71.43%) Artificial Intelligence
3 5 (71.43%) Docker Swarm
3 5 (71.43%) Virtual Machines
3 5 (71.43%) Auto-Scaling
3 5 (71.43%) Kubernetes
3 5 (71.43%) Spark Streaming
3 5 (71.43%) Red Hat Spacewalk
3 5 (71.43%) Hortonworks
3 5 (71.43%) Cloudera
3 5 (71.43%) MapR

Xen
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 6 (85.71%) Apache
2 5 (71.43%) Apache Spark
3 2 (28.57%) OpenStack
4 1 (14.29%) nginx
Cloud Services
1 7 (100.00%) Amazon AWS
2 2 (28.57%) Microsoft Azure
3 1 (14.29%) AWS CloudFormation
3 1 (14.29%) DigitalOcean
3 1 (14.29%) Google Cloud Platform
3 1 (14.29%) IaaS
3 1 (14.29%) Linode
Communications & Networking
1 1 (14.29%) AMQP
1 1 (14.29%) DNS
1 1 (14.29%) Firewall
1 1 (14.29%) SSL
1 1 (14.29%) TCP/IP
Database & Business Intelligence
1 5 (71.43%) Hadoop
2 2 (28.57%) PostgreSQL
3 1 (14.29%) MySQL
General
1 1 (14.29%) Finance
Job Titles
1 5 (71.43%) Administrator
1 5 (71.43%) AWS Administrator
1 5 (71.43%) AWS DevOps
1 5 (71.43%) DevOps Administrator
1 5 (71.43%) Lead DevOps
2 2 (28.57%) Technical Administrator
2 2 (28.57%) Technical Leader
3 1 (14.29%) DevOps Engineer
3 1 (14.29%) Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 5 (71.43%) Spark Streaming
2 1 (14.29%) boto
2 1 (14.29%) LAMP
2 1 (14.29%) LAPP Stack
2 1 (14.29%) LEMP Stack
2 1 (14.29%) RabbitMQ
Miscellaneous
1 1 (14.29%) Data Centre
1 1 (14.29%) Fintech
1 1 (14.29%) Virtual Team
Operating Systems
1 7 (100.00%) Linux
2 6 (85.71%) Unix
3 1 (14.29%) Debian
Processes & Methodologies
1 6 (85.71%) DevOps
1 6 (85.71%) High Availability
2 5 (71.43%) Artificial Intelligence
2 5 (71.43%) Auto-Scaling
2 5 (71.43%) Data Science
2 5 (71.43%) Microservices
2 5 (71.43%) Test Automation
3 1 (14.29%) Continuous Integration
Programming Languages
1 7 (100.00%) Python
2 6 (85.71%) Java
3 5 (71.43%) C
3 5 (71.43%) JavaScript
3 5 (71.43%) Scala
3 5 (71.43%) Shell Script
4 2 (28.57%) Bash Shell
5 1 (14.29%) SQL
Qualifications
1 1 (14.29%) Degree
System Software
1 6 (85.71%) KVM
1 6 (85.71%) VMware Infrastructure
2 5 (71.43%) Docker
2 5 (71.43%) Virtual Machines
3 1 (14.29%) PowerDNS
3 1 (14.29%) QEMU
Systems Management
1 7 (100.00%) Ansible
1 7 (100.00%) Opscode Chef
1 7 (100.00%) Puppet
2 5 (71.43%) Docker Swarm
2 5 (71.43%) Kubernetes
2 5 (71.43%) Mesos
2 5 (71.43%) Red Hat Spacewalk
3 1 (14.29%) Salt
3 1 (14.29%) Terraform
Vendors
1 7 (100.00%) VMware
2 5 (71.43%) Cloudera
2 5 (71.43%) Hortonworks
2 5 (71.43%) MapR
3 1 (14.29%) Cisco
3 1 (14.29%) Google
3 1 (14.29%) Juniper
3 1 (14.29%) Microsoft
3 1 (14.29%) SaltStack