The following table provides summary statistics for contract job vacancies with a requirement for Xen skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Xen over the 3 months to 22 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Xen Project
UK
Rank 549 558 566
Rank change year-on-year +9 +8  
Contract jobs citing Xen 37 72 46
As % of all contract IT jobs advertised in the UK 0.083% 0.14% 0.088%
As % of the System Software category 0.75% 1.26% 0.87%
Number of daily rates quoted 31 41 26
Median daily rate £538 £425 £375
Median daily rate % change year-on-year +26.47% +13.33%  
90% offered a daily rate of more than £401 £238 £288
10% offered a daily rate of more than £599 £600 £550
UK excluding London median daily rate £543 £390 £290
% change year-on-year +39.29% +34.48%  
Number of hourly rates quoted 0 4 1
Median hourly rate - £27.50 £16.00
Median hourly rate % change year-on-year - +71.87%  
UK excluding London median hourly rate - £32.50 -

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

Contract System Software Skills
UK
Contract job vacancies with a requirement for system software skills 4947 5703 5312
As % of all contract IT job vacancies advertised in the UK 11.14% 10.80% 10.17%
Number of daily rates quoted 3133 3442 2911
Median daily rate £400 £395 £375
Median daily rate % change year-on-year +1.26% +5.33%  
90% offered a daily rate of more than £190 £200 £188
10% offered a daily rate of more than £575 £533 £525
UK excluding London median daily rate £350 £365 £350
% change year-on-year -4.10% +4.28%  
Number of hourly rates quoted 344 448 595
Median hourly rate £17.00 £16.25 £16.00
Median hourly rate % change year-on-year +4.61% +1.56%  
90% offered a hourly rate of more than £10.50 £11.00 £11.00
10% offered a hourly rate of more than £47.00 £44.10 £31.50
UK excluding London median hourly rate £15.86 £16.50 £15.50
% change year-on-year -3.87% +6.45%  

Xen
Job Vacancy Trend

The job posting trend of jobs advertised citing Xen as a proportion of all contract or permanent IT jobs with a match in the System Software category.

Job vacancy trend for Xen in the UK

Xen
Contractor Daily Rate Trend

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

Contractor daily rate trend for Xen in the UK

Xen
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Xen over the 3 months to 22 March 2017.

Contractor daily rate histogram for Xen in the UK

Xen
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Xen in the UK

Xen
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Xen within the UK over the 3 months to 22 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 +10 32 £541 +27.35% 19
London -18 8 £500 +5.26% 6
South East +19 6 £401 -
South West +6 6 £550 +66.66% 5
Plymouth - 5 £550 -
Devon - 5 £550 -
North West +29 4 £550 - 2
Manchester +10 4 £550 - 2
East of England -6 4 £575 +8.18% 3
Salford - 4 £550 -
Essex -6 3 £575 +31.37% 1
Wales - 3 £425 -
South Wales - 3 £425 -
Cardiff - 3 £425 -
Yorkshire +3 2 £525 +61.53% 3
Kent - 2 £401 -
Berkshire - 2 £425 -
Sheffield +1 1 £525 -
South Yorkshire -2 1 £525 +23.52%
North East -6 1 £450 -
City of London -7 1 £450 +30.90% 2
Southend-on-Sea -22 1 £575 +31.42%
Winchester - 1 £290 -
Cornwall - 1 - - 1
Durham - 1 £450 -
Coventry - 1 £425 -
Ipswich - 1 - -
Maidenhead - 1 - -
Camborne - 1 - - 1
Reading - 1 £425 -

Xen
Top 30 Related IT Skills

For the 6 months to 22 March 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 with a requirement for Xen.

1 86 (93.48%) Linux
2 73 (79.35%) DevOps
3 56 (60.87%) VMware
4 55 (59.78%) VMware Infrastructure
5 54 (58.70%) Apache
6 51 (55.43%) Tomcat
7 49 (53.26%) Amazon AWS
7 49 (53.26%) Puppet
8 44 (47.83%) Jenkins
9 41 (44.57%) nginx
10 40 (43.48%) Continuous Integration
11 39 (42.39%) Bash Shell
11 39 (42.39%) Java
11 39 (42.39%) Python
12 38 (41.30%) Microsoft
12 38 (41.30%) Jetty
13 37 (40.22%) Agile Software Development
13 37 (40.22%) IIS
14 35 (38.04%) HTTP
14 35 (38.04%) WebSphere
15 34 (36.96%) Google
15 34 (36.96%) Open Source
16 29 (31.52%) Ubuntu
16 29 (31.52%) Configuration Management
17 28 (30.43%) Windows
18 27 (29.35%) .NET
19 26 (28.26%) TCP/IP
19 26 (28.26%) Firewall
19 26 (28.26%) IPsec
19 26 (28.26%) Ansible

Xen
Top Related 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 54 (58.70%) Apache
2 51 (55.43%) Tomcat
3 41 (44.57%) nginx
4 38 (41.30%) Jetty
5 37 (40.22%) IIS
6 35 (38.04%) WebSphere
7 24 (26.09%) Mongrel
8 19 (20.65%) OpenStack
9 16 (17.39%) CloudStack
10 14 (15.22%) Oracle HTTP Server
10 14 (15.22%) WildFly
11 12 (13.04%) Mule ESB
12 9 (9.78%) DataSynapse
12 9 (9.78%) Oracle Coherence
13 8 (8.70%) JBoss
14 3 (3.26%) WebLogic
15 2 (2.17%) Confluence
15 2 (2.17%) Liferay
15 2 (2.17%) SAS
15 2 (2.17%) SharePoint
Applications
1 9 (9.78%) MS Excel
2 2 (2.17%) MS PowerPoint
Business Applications
1 1 (1.09%) SAP ERP
1 1 (1.09%) SAP Oil and Gas
Cloud Services
1 49 (53.26%) Amazon AWS
2 26 (28.26%) Google Cloud Platform
3 25 (27.17%) Amazon EC2
4 24 (26.09%) Google App Engine
5 8 (8.70%) G Suite
6 5 (5.43%) IaaS
6 5 (5.43%) Microsoft Azure
7 4 (4.35%) Amazon S3
8 3 (3.26%) AWS CloudFormation
8 3 (3.26%) PaaS
9 2 (2.17%) Amazon CloudWatch
9 2 (2.17%) SaaS
9 2 (2.17%) Virtual Private Cloud
10 1 (1.09%) Amazon ElastiCache
10 1 (1.09%) Amazon ELB
10 1 (1.09%) AWS CloudTrail
10 1 (1.09%) CloudFront
10 1 (1.09%) Google Compute Engine
10 1 (1.09%) Office 365
10 1 (1.09%) Route 53
Communications & Networking
1 35 (38.04%) HTTP
2 26 (28.26%) Firewall
2 26 (28.26%) IPsec
2 26 (28.26%) TCP/IP
3 25 (27.17%) DNS
3 25 (27.17%) FTP
3 25 (27.17%) SSL
4 24 (26.09%) DHCP
5 17 (18.48%) VPN
6 15 (16.30%) LAN
6 15 (16.30%) WAN
7 13 (14.13%) NAS
7 13 (14.13%) SAN
8 12 (13.04%) Reverse Proxy
9 11 (11.96%) FCoE
9 11 (11.96%) Fibre Channel
9 11 (11.96%) iSCSI
9 11 (11.96%) Multicast
10 8 (8.70%) DMZ
10 8 (8.70%) Internet
Database & Business Intelligence
1 23 (25.00%) MySQL
2 21 (22.83%) PostgreSQL
3 18 (19.57%) SQL Server
4 12 (13.04%) NoSQL
5 9 (9.78%) Hadoop
5 9 (9.78%) HBase
6 4 (4.35%) Apache Cassandra
7 3 (3.26%) MongoDB
7 3 (3.26%) Relational Database
8 2 (2.17%) SAS Enterprise Guide
8 2 (2.17%) SAS Enterprise Miner
9 1 (1.09%) Amazon DynamoDB
9 1 (1.09%) Amazon RDS
9 1 (1.09%) CouchDB
9 1 (1.09%) Data Warehouse
9 1 (1.09%) MariaDB
9 1 (1.09%) Neo4j
9 1 (1.09%) Oracle Database
9 1 (1.09%) Redis
9 1 (1.09%) SQL Server 2008
Development Applications
1 44 (47.83%) Jenkins
2 24 (26.09%) Travis CI
3 21 (22.83%) Git (software)
4 13 (14.13%) Gerrit
4 13 (14.13%) GitLab
4 13 (14.13%) Mercurial
5 3 (3.26%) Atlassian Bamboo
6 2 (2.17%) git-flow
6 2 (2.17%) JIRA
6 2 (2.17%) Octopus Deploy
6 2 (2.17%) TeamCity
6 2 (2.17%) Vagrant
7 1 (1.09%) Cucumber
7 1 (1.09%) Hudson
7 1 (1.09%) Selenium
7 1 (1.09%) Subversion
7 1 (1.09%) Team Foundation Server
7 1 (1.09%) WebDriver
General
1 8 (8.70%) Banking
2 6 (6.52%) Finance
3 1 (1.09%) Electronics
3 1 (1.09%) Investment Banking
3 1 (1.09%) Manufacturing
3 1 (1.09%) Marketing
3 1 (1.09%) Retail
3 1 (1.09%) Retail Banking
3 1 (1.09%) Telecoms
Job Titles
1 42 (45.65%) DevOps Engineer
2 12 (13.04%) Architect
3 11 (11.96%) Infrastructure Architect
4 9 (9.78%) Platform Engineer
5 8 (8.70%) Design Engineer
6 4 (4.35%) Citrix Engineer
6 4 (4.35%) DevOps Specialist
7 3 (3.26%) Administrator
7 3 (3.26%) Consultant
7 3 (3.26%) Digital Architect
7 3 (3.26%) Infrastructure Engineer
7 3 (3.26%) Infrastructure Solutions Architect
7 3 (3.26%) Lead Architect
7 3 (3.26%) SCCM Engineer
7 3 (3.26%) Solutions Architect
7 3 (3.26%) Systems Administrator
7 3 (3.26%) Windows Engineer
8 2 (2.17%) Developer
8 2 (2.17%) Network Engineer
8 2 (2.17%) Software Developer
Libraries, Frameworks & Software Standards
1 27 (29.35%) .NET
2 24 (26.09%) Servlets
3 23 (25.00%) J2EE
4 15 (16.30%) LAMP
5 14 (15.22%) LAPP Stack
5 14 (15.22%) LEMP Stack
6 12 (13.04%) RabbitMQ
7 11 (11.96%) HTML
7 11 (11.96%) Middleware
8 9 (9.78%) Rendezvous
8 9 (9.78%) XML
8 9 (9.78%) XSLT
9 6 (6.52%) Web Services
10 5 (5.43%) Elastic Stack
11 2 (2.17%) ASP.NET
11 2 (2.17%) Node.js
11 2 (2.17%) POSIX
11 2 (2.17%) YAML
12 1 (1.09%) .NET Framework
12 1 (1.09%) Java EE
Miscellaneous
1 7 (7.61%) Cloud Native
2 4 (4.35%) Online Banking
3 3 (3.26%) Analytical Skills
3 3 (3.26%) Computer Science
3 3 (3.26%) Data Centre
3 3 (3.26%) Management Information System
3 3 (3.26%) Private Cloud
4 2 (2.17%) e-Health
4 2 (2.17%) Public Cloud
4 2 (2.17%) Security Operations Centre
5 1 (1.09%) Clustering
5 1 (1.09%) Enterprise Software
5 1 (1.09%) Fintech
Operating Systems
1 86 (93.48%) Linux
2 29 (31.52%) Ubuntu
3 28 (30.43%) Windows
4 17 (18.48%) CentOS
4 17 (18.48%) Unix
5 12 (13.04%) Solaris
6 10 (10.87%) Red Hat Enterprise Linux
7 8 (8.70%) Android
7 8 (8.70%) Apple iOS
7 8 (8.70%) Mac OS X
7 8 (8.70%) Windows 10
7 8 (8.70%) Windows 7
8 4 (4.35%) Debian
9 2 (2.17%) AIX
9 2 (2.17%) Windows 2000
9 2 (2.17%) Windows Server
9 2 (2.17%) Windows XP
10 1 (1.09%) HPUX
10 1 (1.09%) SUSE
10 1 (1.09%) Windows Server 2012
Processes & Methodologies
1 73 (79.35%) DevOps
2 40 (43.48%) Continuous Integration
3 37 (40.22%) Agile Software Development
4 34 (36.96%) Open Source
5 29 (31.52%) Configuration Management
6 13 (14.13%) ITIL
6 13 (14.13%) Scrum
7 12 (13.04%) Performance Tuning
8 11 (11.96%) Continuous Delivery
9 10 (10.87%) Benchmarking
9 10 (10.87%) Load Balancing
9 10 (10.87%) Patch Management
10 8 (8.70%) Infrastructure Management
10 8 (8.70%) Virtual Infrastructure
11 7 (7.61%) Software Distribution
11 7 (7.61%) Translating Business Requirements
11 7 (7.61%) Use Case
12 5 (5.43%) Microservices
12 5 (5.43%) Software Delivery
13 4 (4.35%) Mentoring
Programming Languages
1 39 (42.39%) Bash Shell
1 39 (42.39%) Java
1 39 (42.39%) Python
2 21 (22.83%) Perl
3 17 (18.48%) Ruby
3 17 (18.48%) SQL
4 15 (16.30%) Shell Script
5 12 (13.04%) PowerShell
6 11 (11.96%) JavaScript
7 4 (4.35%) C
8 2 (2.17%) C++
8 2 (2.17%) Go
8 2 (2.17%) Haskell
8 2 (2.17%) R
9 1 (1.09%) C#
9 1 (1.09%) PHP
9 1 (1.09%) Scala
Qualifications
1 12 (13.04%) Security Cleared
2 9 (9.78%) SC Cleared
3 5 (5.43%) CISSP
4 4 (4.35%) Cisco Certification
4 4 (4.35%) Degree
5 3 (3.26%) CCNA
5 3 (3.26%) CCNP
5 3 (3.26%) CISA
5 3 (3.26%) CISM
6 2 (2.17%) BPSS Clearance
6 2 (2.17%) GSEC
6 2 (2.17%) MCSE
6 2 (2.17%) Microsoft Certification
6 2 (2.17%) SANS
6 2 (2.17%) SSCP
7 1 (1.09%) ACMT
7 1 (1.09%) AWS Certification
7 1 (1.09%) CCA
7 1 (1.09%) Citrix Certification
7 1 (1.09%) MCTS
Quality Assurance & Compliance
1 3 (3.26%) Disclosure Scotland
2 2 (2.17%) PCI DSS
3 1 (1.09%) ISO/IEC 27001
3 1 (1.09%) SLA
System Software
1 55 (59.78%) VMware Infrastructure
2 17 (18.48%) KVM
3 16 (17.39%) Docker
4 15 (16.30%) vSphere
4 15 (16.30%) XenServer
5 14 (15.22%) Virtual Machines
6 12 (13.04%) Hyper-V
7 11 (11.96%) NFS
7 11 (11.96%) SRDF
8 10 (10.87%) Active Directory
9 9 (9.78%) Oracle RAC
9 9 (9.78%) XenApp
9 9 (9.78%) XenDesktop
10 8 (8.70%) BitLocker
11 2 (2.17%) LXC
11 2 (2.17%) Postfix
11 2 (2.17%) Shibboleth
12 1 (1.09%) Microsoft Virtual Server
12 1 (1.09%) Squid
12 1 (1.09%) VMware ESX
Systems Management
1 49 (53.26%) Puppet
2 26 (28.26%) Ansible
3 24 (26.09%) Opscode Chef
4 16 (17.39%) Kibana
5 15 (16.30%) logstash
6 14 (15.22%) HAProxy
7 12 (13.04%) Cobbler
7 12 (13.04%) ZABBIX
8 9 (9.78%) SCCM
9 8 (8.70%) WSUS
10 5 (5.43%) Terraform
11 4 (4.35%) Mesos
11 4 (4.35%) Nagios
12 3 (3.26%) Marathon
12 3 (3.26%) Rundeck
13 2 (2.17%) OpenAM
13 2 (2.17%) Packer
13 2 (2.17%) QRadar
14 1 (1.09%) Grafana
14 1 (1.09%) XenMobile
Vendors
1 56 (60.87%) VMware
2 38 (41.30%) Microsoft
3 34 (36.96%) Google
4 21 (22.83%) Red Hat
5 20 (21.74%) IBM
5 20 (21.74%) Oracle
6 17 (18.48%) Cisco
7 12 (13.04%) Citrix
8 11 (11.96%) Dell
8 11 (11.96%) EMC
8 11 (11.96%) HP
8 11 (11.96%) Intel
8 11 (11.96%) NetApp
9 10 (10.87%) Apple
10 9 (9.78%) Sybase
10 9 (9.78%) TIBCO
11 8 (8.70%) Symantec
12 7 (7.61%) ServiceNow
13 4 (4.35%) AppDynamics
14 3 (3.26%) MuleSoft
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