Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Xen skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Xen over the 6 months to 24 November 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.

Xen Project
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 605 527 584
Rank change year-on-year -78 +57 -48
Contract jobs citing Xen 24 93 29
As % of all contract IT jobs advertised in London 0.051% 0.21% 0.062%
As % of the System Software category 0.41% 1.68% 0.64%
Number of daily rates quoted 20 69 22
London median daily rate £465 £488 £368
Median daily rate % change year-on-year -4.62% +32.65% +0.68%
10th Percentile £178 £425 £310
90th Percentile £600 £628 £599
England median daily rate £535 £488 £400
% change year-on-year +9.74% +21.88% +6.67%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £41.50 - -

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

All System Software Skills
London
Contract vacancies with a requirement for system software skills 5816 5532 4520
As % of all contract IT jobs advertised in London 12.35% 12.27% 9.63%
Number of daily rates quoted 4169 3815 3054
London median daily rate £488 £450 £413
Median daily rate % change year-on-year +8.33% +9.09% +10.00%
10th Percentile £185 £193 £175
90th Percentile £638 £613 £600
England median daily rate £425 £413 £375
% change year-on-year +3.03% +10.00% +8.70%
Number of hourly rates quoted 143 146 210
London median hourly rate £21.25 £16.50 £16.50
Median hourly rate % change year-on-year +28.79% - +10.00%
10th Percentile £12.50 £11.63 £10.75
90th Percentile £52.40 £50.00 £34.30
England median hourly rate £16.50 £16.00 £16.00
% change year-on-year +3.13% - +6.67%

Xen
Job Vacancy Trend in London

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

Job vacancy trend for Xen in London

Xen
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Xen in London

Xen
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Xen in London over the 6 months to 24 November 2017.

Contractor daily rate histogram for Xen in London

Xen
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Xen in London.

Contractor hourly rate trend for Xen in London

Xen
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 Xen within the London region over the 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -4 5 £450 -14.29%
West London -13 1 £550 +10.00% 1
North London - 1 £450 -
Xen
England

For the 6 months to 24 November 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 London region with a requirement for Xen.

1 17 (70.83%) VMware
2 16 (66.67%) VMware Infrastructure
3 13 (54.17%) Linux
4 12 (50.00%) Continuous Integration
4 12 (50.00%) DevOps
5 11 (45.83%) Jenkins
5 11 (45.83%) Amazon AWS
5 11 (45.83%) Puppet
5 11 (45.83%) TCP/IP
5 11 (45.83%) Microsoft
6 10 (41.67%) Configuration Management
6 10 (41.67%) HTTP
6 10 (41.67%) Open Source
6 10 (41.67%) Amazon EC2
7 9 (37.50%) nginx
7 9 (37.50%) DNS
7 9 (37.50%) Apache
7 9 (37.50%) Tomcat
8 8 (33.33%) Servlets
8 8 (33.33%) Java
8 8 (33.33%) .NET
8 8 (33.33%) J2EE
8 8 (33.33%) SSL
8 8 (33.33%) DHCP
8 8 (33.33%) FTP
8 8 (33.33%) IPsec
8 8 (33.33%) Jetty
8 8 (33.33%) Google
8 8 (33.33%) Google App Engine
8 8 (33.33%) Google Cloud Platform

Xen
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 9 (37.50%) Apache
1 9 (37.50%) nginx
1 9 (37.50%) Tomcat
2 8 (33.33%) Jetty
3 7 (29.17%) IIS
3 7 (29.17%) Mongrel
3 7 (29.17%) WebSphere
4 2 (8.33%) OpenStack
5 1 (4.17%) Elasticsearch
5 1 (4.17%) Mule ESB
5 1 (4.17%) WildFly
Applications
1 1 (4.17%) Microsoft Office
Cloud Services
1 11 (45.83%) Amazon AWS
2 10 (41.67%) Amazon EC2
3 8 (33.33%) Google App Engine
3 8 (33.33%) Google Cloud Platform
4 2 (8.33%) Amazon ELB
4 2 (8.33%) Amazon S3
4 2 (8.33%) Microsoft Azure
4 2 (8.33%) Office 365
5 1 (4.17%) Amazon CloudWatch
5 1 (4.17%) AWS CloudFormation
5 1 (4.17%) AWS Lambda
5 1 (4.17%) GitHub
5 1 (4.17%) Route 53
5 1 (4.17%) Serverless
5 1 (4.17%) Stackdriver
5 1 (4.17%) Virtual Private Cloud
Communications & Networking
1 11 (45.83%) TCP/IP
2 10 (41.67%) HTTP
3 9 (37.50%) DNS
4 8 (33.33%) DHCP
4 8 (33.33%) FTP
4 8 (33.33%) IPsec
4 8 (33.33%) SSL
5 3 (12.50%) Firewall
6 1 (4.17%) HTTPS
6 1 (4.17%) ICMP
6 1 (4.17%) LAN
6 1 (4.17%) NAS
6 1 (4.17%) Reverse Proxy
6 1 (4.17%) SAN
6 1 (4.17%) VPN
6 1 (4.17%) WAN
Database & Business Intelligence
1 4 (16.67%) MySQL
2 2 (8.33%) Amazon RDS
3 1 (4.17%) Apache Cassandra
3 1 (4.17%) MongoDB
3 1 (4.17%) NoSQL
3 1 (4.17%) PostgreSQL
3 1 (4.17%) Redis
Development Applications
1 11 (45.83%) Jenkins
2 7 (29.17%) Travis CI
3 6 (25.00%) Git (software)
4 1 (4.17%) Artifactory
4 1 (4.17%) Gerrit
4 1 (4.17%) GitLab
4 1 (4.17%) Gradle
4 1 (4.17%) JIRA
4 1 (4.17%) Mercurial
4 1 (4.17%) Vagrant
General
1 1 (4.17%) Marketing
1 1 (4.17%) Retail
Job Titles
1 7 (29.17%) DevOps Engineer
2 3 (12.50%) 3rd Line Support
2 3 (12.50%) AWS Engineer
2 3 (12.50%) Cloud Engineer
2 3 (12.50%) Desktop Support
2 3 (12.50%) Operations Engineer
3 2 (8.33%) Administrator
3 2 (8.33%) Applications Specialist
3 2 (8.33%) AWS DevOps
3 2 (8.33%) AWS DevOps Engineer
3 2 (8.33%) Azure Engineer
3 2 (8.33%) Citrix Specialist
3 2 (8.33%) Infrastructure Specialist
3 2 (8.33%) Linux Engineer
3 2 (8.33%) SCCM Specialist
3 2 (8.33%) Systems Administrator
4 1 (4.17%) Citrix Engineer
4 1 (4.17%) Linux Administrator
4 1 (4.17%) Linux Specialist
4 1 (4.17%) Senior Systems Administrator
Libraries, Frameworks & Software Standards
1 8 (33.33%) .NET
1 8 (33.33%) J2EE
1 8 (33.33%) Servlets
2 2 (8.33%) LAMP
2 2 (8.33%) LEMP Stack
2 2 (8.33%) RabbitMQ
2 2 (8.33%) Sensu
3 1 (4.17%) boto
3 1 (4.17%) Elastic Stack
3 1 (4.17%) LAPP Stack
3 1 (4.17%) Memcached
3 1 (4.17%) Web Services
3 1 (4.17%) ZeroMQ
Miscellaneous
1 2 (8.33%) Blackberry
2 1 (4.17%) Computer Science
2 1 (4.17%) Data Centre
2 1 (4.17%) Video on Demand
Operating Systems
1 13 (54.17%) Linux
2 3 (12.50%) Windows
3 2 (8.33%) CentOS
3 2 (8.33%) VMS
3 2 (8.33%) Windows Server
4 1 (4.17%) Ubuntu
4 1 (4.17%) Unix
4 1 (4.17%) Windows Server 2003
Processes & Methodologies
1 12 (50.00%) Continuous Integration
1 12 (50.00%) DevOps
2 10 (41.67%) Configuration Management
2 10 (41.67%) Open Source
3 5 (20.83%) Agile Software Development
4 2 (8.33%) Capacity Management
4 2 (8.33%) E-Discovery
4 2 (8.33%) Incident Management
4 2 (8.33%) Information Security
4 2 (8.33%) Migration
4 2 (8.33%) Operations Management
4 2 (8.33%) Proactive Monitoring
4 2 (8.33%) Service Delivery
4 2 (8.33%) Task Automation
5 1 (4.17%) Application Performance Monitoring
5 1 (4.17%) Auto-Scaling
5 1 (4.17%) Continuous Delivery
5 1 (4.17%) Disruptive Innovation
5 1 (4.17%) Load Balancing
5 1 (4.17%) Performance Monitoring
Programming Languages
1 8 (33.33%) Java
2 4 (16.67%) PowerShell
2 4 (16.67%) Python
3 3 (12.50%) Bash Shell
4 2 (8.33%) Go
4 2 (8.33%) Perl
4 2 (8.33%) Ruby
5 1 (4.17%) PHP
5 1 (4.17%) SQL
Qualifications
1 6 (25.00%) Degree
2 5 (20.83%) Security Cleared
3 3 (12.50%) SC Cleared
4 1 (4.17%) Computer Science Degree
4 1 (4.17%) ISEB
Quality Assurance & Compliance
1 1 (4.17%) QA
System Software
1 16 (66.67%) VMware Infrastructure
2 3 (12.50%) KVM
2 3 (12.50%) XenApp
3 2 (8.33%) Active Directory
3 2 (8.33%) DFS Replication
3 2 (8.33%) Docker
3 2 (8.33%) Microsoft App-V
3 2 (8.33%) VMware ESXi
3 2 (8.33%) XenDesktop
4 1 (4.17%) BIND 9
4 1 (4.17%) Virtual Machines
Systems Management
1 11 (45.83%) Puppet
2 6 (25.00%) Ansible
2 6 (25.00%) XenMobile
3 2 (8.33%) Grafana
3 2 (8.33%) Graphite
3 2 (8.33%) HAProxy
3 2 (8.33%) Opscode Chef
3 2 (8.33%) SCCM
3 2 (8.33%) SCOM
3 2 (8.33%) SCOrch
3 2 (8.33%) Terraform
4 1 (4.17%) Kubernetes
4 1 (4.17%) logstash
4 1 (4.17%) Nagios
4 1 (4.17%) Salt
4 1 (4.17%) ZABBIX
Vendors
1 17 (70.83%) VMware
2 11 (45.83%) Microsoft
3 8 (33.33%) Google
4 5 (20.83%) Citrix
5 2 (8.33%) AppSense
5 2 (8.33%) F5
5 2 (8.33%) HP
5 2 (8.33%) Red Hat
5 2 (8.33%) Splunk
6 1 (4.17%) Cisco
6 1 (4.17%) Juniper
6 1 (4.17%) New Relic
6 1 (4.17%) Oracle
6 1 (4.17%) PagerDuty
6 1 (4.17%) SaltStack