The table below looks at the statistics for Xen skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited Xen over the 3 months to 20 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
20 Feb 2017
Same period 2016 Same period 2015
Xen Project
London / City of London
Rank 146 145 189
Rank change year-on-year
-1 +44
Contract jobs citing Xen 4 5 5
As % of all contract IT jobs located in the City of London 0.13% 0.16% 0.096%
As % of the System Software category 1.32% 1.74% 1.07%
Number of daily rates quoted 4 5 5
Median daily rate £400 £213 £375
Median daily rate % change year-on-year
+88.23% -43.33%
UK excluding London median daily rate £538 £421 £290
% change year-on-year
+27.59% +45.25%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £32.50 -

The following table is for comparison with the above and provides statistics for the entire System Software category in contract jobs advertised in the City of London region.

System Software Category
City of London
Contract IT job ads with a match in the
System Software category
302 288 469
As % of all contract IT jobs located in the City of London 10.19% 9.18% 9.05%
Number of daily rates quoted 249 216 338
Median daily rate £450 £410 £400
Median daily rate % change year-on-year
+9.75% +2.50%
90% offered a daily rate of more than £276 £250 £213
10% offered a daily rate of more than £600 £525 £525
UK excluding London median daily rate £350 £350 £350
Number of hourly rates quoted 8 13 28
Median hourly rate £22.34 £12.00 £18.50
Median hourly rate % change year-on-year
+86.12% -35.13%
90% offered a hourly rate of more than £13.50 £10.40 £12.50
10% offered a hourly rate of more than £55.00 £23.20 £22.85
UK excluding London median hourly rate £16.00 £16.00 £16.00

Xen
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing Xen as a proportion of all IT contracts with a match in the System Software category.

Xen Jobs Demand Trend in the City of London

Xen
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Xen across the City of London region.

Xen Daily Rate Trend in the City of London

Xen
Top 30 Related IT Skills in the City of London

For the 6 months to 20 February 2017, IT contractor jobs citing Xen 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 City of London region with a requirement for Xen.

1 7 (100.00%) Linux
2 6 (85.71%) Puppet
2 6 (85.71%) DevOps
3 5 (71.43%) Firewall
3 5 (71.43%) nginx
3 5 (71.43%) Apache
3 5 (71.43%) MySQL
4 4 (57.14%) Cisco
4 4 (57.14%) Ubuntu
4 4 (57.14%) PostgreSQL
5 3 (42.86%) Apache Cassandra
5 3 (42.86%) Debian
5 3 (42.86%) Opscode Chef
5 3 (42.86%) Nagios
5 3 (42.86%) Dell
5 3 (42.86%) Citrix
5 3 (42.86%) Kibana
5 3 (42.86%) Ansible
5 3 (42.86%) logstash
5 3 (42.86%) Elastic Stack
6 2 (28.57%) Jenkins
6 2 (28.57%) Python
6 2 (28.57%) HAProxy
6 2 (28.57%) Bash Shell
6 2 (28.57%) Amazon AWS
6 2 (28.57%) VMware
6 2 (28.57%) VMware Infrastructure
6 2 (28.57%) Git (software)
7 1 (14.29%) ZABBIX
7 1 (14.29%) Test Automation

Xen
Top Related 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 5 (71.43%) Apache
1 5 (71.43%) nginx
2 1 (14.29%) CloudStack
2 1 (14.29%) Jetty
2 1 (14.29%) Mule ESB
2 1 (14.29%) OpenStack
2 1 (14.29%) Tomcat
2 1 (14.29%) WebSphere
2 1 (14.29%) WildFly
Cloud Services
1 2 (28.57%) Amazon AWS
Communications & Networking
1 5 (71.43%) Firewall
2 1 (14.29%) Internet
2 1 (14.29%) LAN
2 1 (14.29%) Reverse Proxy
2 1 (14.29%) VPN
2 1 (14.29%) WAN
Database & Business Intelligence
1 5 (71.43%) MySQL
2 4 (57.14%) PostgreSQL
3 3 (42.86%) Apache Cassandra
4 1 (14.29%) NoSQL
4 1 (14.29%) SQL Server
Development Applications
1 2 (28.57%) Git (software)
1 2 (28.57%) Jenkins
2 1 (14.29%) Gerrit
2 1 (14.29%) GitLab
2 1 (14.29%) Mercurial
General
1 1 (14.29%) Banking
1 1 (14.29%) Finance
Job Titles
1 3 (42.86%) DevOps Engineer
2 2 (28.57%) Administrator
2 2 (28.57%) Systems Administrator
3 1 (14.29%) Architect
3 1 (14.29%) Infrastructure Architect
3 1 (14.29%) Linux Engineer
Libraries, Frameworks & Software Standards
1 3 (42.86%) Elastic Stack
2 1 (14.29%) LAMP
2 1 (14.29%) LAPP Stack
2 1 (14.29%) LEMP Stack
2 1 (14.29%) Middleware
2 1 (14.29%) RabbitMQ
Miscellaneous
1 1 (14.29%) Online Banking
Operating Systems
1 7 (100.00%) Linux
2 4 (57.14%) Ubuntu
3 3 (42.86%) Debian
4 1 (14.29%) CentOS
4 1 (14.29%) Red Hat Enterprise Linux
4 1 (14.29%) Solaris
4 1 (14.29%) Unix
4 1 (14.29%) Windows
Processes & Methodologies
1 6 (85.71%) DevOps
2 1 (14.29%) Configuration Management
2 1 (14.29%) High Availability
2 1 (14.29%) Infrastructure Monitoring
2 1 (14.29%) Load Balancing
2 1 (14.29%) Open Source
2 1 (14.29%) Server Virtualisation
2 1 (14.29%) Test Automation
Programming Languages
1 2 (28.57%) Bash Shell
1 2 (28.57%) Python
2 1 (14.29%) Perl
2 1 (14.29%) Ruby
2 1 (14.29%) Shell Script
2 1 (14.29%) SQL
Qualifications
1 1 (14.29%) SC Cleared
1 1 (14.29%) Security Cleared
Quality Assurance & Compliance
1 1 (14.29%) PCI DSS
System Software
1 2 (28.57%) VMware Infrastructure
2 1 (14.29%) Docker
2 1 (14.29%) Hyper-V
2 1 (14.29%) iptables
2 1 (14.29%) KVM
2 1 (14.29%) Virtual Machines
2 1 (14.29%) vSphere
2 1 (14.29%) XenServer
Systems Management
1 6 (85.71%) Puppet
2 3 (42.86%) Ansible
2 3 (42.86%) Kibana
2 3 (42.86%) logstash
2 3 (42.86%) Nagios
2 3 (42.86%) Opscode Chef
3 2 (28.57%) HAProxy
4 1 (14.29%) ZABBIX
Vendors
1 4 (57.14%) Cisco
2 3 (42.86%) Citrix
2 3 (42.86%) Dell
3 2 (28.57%) VMware
4 1 (14.29%) IBM
4 1 (14.29%) Oracle
4 1 (14.29%) Red Hat