The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Xen skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Xen over the 3 months to 24 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Xen Project
England / London
Rank 535 540 523
Rank change year-on-year +5 -17  
Permanent jobs citing Xen 53 116 131
As % of all permanent IT jobs advertised in London 0.16% 0.28% 0.31%
As % of the System Software category 1.28% 2.38% 2.42%
Number of salaries quoted 52 105 122
Median salary £67,500 £57,500 £53,750
Median salary % change year-on-year +17.39% +6.97%  
90% offered a salary of more than £35,000 £36,000 £35,000
10% offered a salary of more than £100,000 £70,000 £87,500
UK excluding London median salary £57,500 £42,500 £40,000
% change year-on-year +35.29% +6.25%  

Xen is in the system software 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 system software skills.

System Software Skills
London
Permanent job vacancies with a requirement for system software skills 4150 4869 5422
As % of all permanent IT job vacancies advertised in London 12.34% 11.68% 12.93%
Number of salaries quoted 3543 4230 4695
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26%  
90% offered a salary of more than £29,000 £29,000 £29,500
10% offered a salary of more than £77,500 £70,000 £70,000
UK excluding London median salary £38,000 £38,000 £37,500
% change year-on-year - +1.33%  

Xen
Job Vacancy Trend in London

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

Job vacancy trend for Xen in London

Xen
Salary Trend in London

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

Salary trend for Xen in London

Xen
Salary Histogram in London

The salary distribution of IT jobs citing Xen in London over the 3 months to 24 March 2017.

Salary histogram for Xen in London

Xen
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Xen within the London region over the 3 months to 24 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +33 3 £62,500 +4.16% 2
Xen
England

Xen
Top 30 Related IT Skills in London

For the 6 months to 24 March 2017, IT jobs citing Xen 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 Xen.

1 145 (86.83%) Linux
2 144 (86.23%) VMware
3 141 (84.43%) VMware Infrastructure
4 91 (54.49%) Windows
5 80 (47.90%) KVM
6 78 (46.71%) Puppet
7 73 (43.71%) Amazon AWS
8 69 (41.32%) Ansible
9 67 (40.12%) Python
10 66 (39.52%) Cisco
11 64 (38.32%) Agile Software Development
11 64 (38.32%) Hyper-V
12 62 (37.13%) Oracle
13 61 (36.53%) Apache
14 59 (35.33%) Finance
15 58 (34.73%) SAN
15 58 (34.73%) NAS
16 57 (34.13%) Bash Shell
17 56 (33.53%) NFS
18 55 (32.93%) Performance Tuning
19 54 (32.34%) NetApp
19 54 (32.34%) Firewall
20 52 (31.14%) Git (software)
20 52 (31.14%) iSCSI
21 51 (30.54%) EMC
21 51 (30.54%) WAN
21 51 (30.54%) Solaris
22 50 (29.94%) LAN
23 49 (29.34%) Intel
23 49 (29.34%) Benchmarking

Xen
Top Related 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 61 (36.53%) Apache
2 49 (29.34%) Oracle Coherence
3 47 (28.14%) Tomcat
3 47 (28.14%) WebSphere
4 42 (25.15%) IIS
5 39 (23.35%) Oracle HTTP Server
6 28 (16.77%) DataSynapse
7 18 (10.78%) OpenStack
8 16 (9.58%) MS Exchange
9 15 (8.98%) nginx
10 10 (5.99%) lighttpd
11 9 (5.39%) CloudStack
12 7 (4.19%) JBoss
13 6 (3.59%) Skype for Business
14 5 (2.99%) Exchange Server 2010
14 5 (2.99%) WebLogic
14 5 (2.99%) WebSphere Application Server
15 4 (2.40%) Elasticsearch
16 3 (1.80%) Confluence
16 3 (1.80%) Exchange Server 2013
Applications
1 15 (8.98%) MS Excel
2 5 (2.99%) MS Office
Business Applications
1 28 (16.77%) RMDS
2 1 (0.60%) SAP ERP
Cloud Services
1 73 (43.71%) Amazon AWS
2 13 (7.78%) Microsoft Azure
3 10 (5.99%) IBM Cloud
3 10 (5.99%) SoftLayer
3 10 (5.99%) Virtual Private Cloud
4 8 (4.79%) Amazon EC2
5 6 (3.59%) Cloud Computing
5 6 (3.59%) Office 365
6 5 (2.99%) Amazon S3
6 5 (2.99%) Google Cloud Platform
6 5 (2.99%) SaaS
7 3 (1.80%) AWS CloudFormation
7 3 (1.80%) Google App Engine
7 3 (1.80%) IaaS
8 2 (1.20%) CloudFront
8 2 (1.20%) DigitalOcean
8 2 (1.20%) G Suite
8 2 (1.20%) Rackspace Cloud
9 1 (0.60%) Amazon CloudWatch
9 1 (0.60%) Sumo Logic
Communications & Networking
1 58 (34.73%) NAS
1 58 (34.73%) SAN
2 54 (32.34%) Firewall
3 52 (31.14%) iSCSI
4 51 (30.54%) WAN
5 50 (29.94%) LAN
6 49 (29.34%) FCoE
6 49 (29.34%) Fibre Channel
6 49 (29.34%) Multicast
7 43 (25.75%) HTTP
8 32 (19.16%) TCP/IP
9 24 (14.37%) DNS
10 14 (8.38%) Intrusion Detection
10 14 (8.38%) VPN
11 10 (5.99%) Internet
11 10 (5.99%) SSL
12 6 (3.59%) BGP
13 5 (2.99%) DHCP
13 5 (2.99%) MPLS
13 5 (2.99%) SNMP
Database & Business Intelligence
1 41 (24.55%) Hadoop
2 39 (23.35%) HBase
3 31 (18.56%) MySQL
4 16 (9.58%) SQL Server
5 13 (7.78%) Data Warehouse
6 11 (6.59%) DB2
6 11 (6.59%) OLAP
6 11 (6.59%) OLTP
6 11 (6.59%) Oracle OLAP
7 8 (4.79%) Redis
8 6 (3.59%) NoSQL
9 5 (2.99%) MongoDB
9 5 (2.99%) Relational Database
10 4 (2.40%) PostgreSQL
11 3 (1.80%) Amazon RDS
11 3 (1.80%) Apache Cassandra
12 2 (1.20%) Big Data
12 2 (1.20%) Oracle Database
12 2 (1.20%) RDBMS
13 1 (0.60%) Amazon DynamoDB
Development Applications
1 52 (31.14%) Git (software)
2 33 (19.76%) Jenkins
3 30 (17.96%) Subversion
4 11 (6.59%) JIRA
5 10 (5.99%) TeamCity
6 6 (3.59%) Vagrant
7 4 (2.40%) Hudson
7 4 (2.40%) JMeter
7 4 (2.40%) Travis CI
8 3 (1.80%) JUnit
8 3 (1.80%) RSpec
9 2 (1.20%) Ant
9 2 (1.20%) GitLab
9 2 (1.20%) GoCD
9 2 (1.20%) Gradle
9 2 (1.20%) Grunt
9 2 (1.20%) gulp
9 2 (1.20%) Mercurial
9 2 (1.20%) MSBuild
9 2 (1.20%) VersionOne
General
1 59 (35.33%) Finance
2 21 (12.57%) Banking
3 19 (11.38%) Investment Banking
4 13 (7.78%) Retail
5 8 (4.79%) Telecoms
6 3 (1.80%) Billing
6 3 (1.80%) Publishing
7 2 (1.20%) Back Office
7 2 (1.20%) Games
7 2 (1.20%) Marketing
8 1 (0.60%) Advertising
8 1 (0.60%) Legal
Job Titles
1 54 (32.34%) Architect
2 49 (29.34%) Infrastructure Architect
3 38 (22.75%) Infrastructure Technical Architect
3 38 (22.75%) Technical Architect
3 38 (22.75%) Technical Infrastructure Architect
4 30 (17.96%) DevOps Engineer
5 26 (15.57%) Linux Engineer
6 24 (14.37%) Infrastructure Solutions Architect
6 24 (14.37%) Solutions Architect
6 24 (14.37%) Technical Solutions Architect
7 21 (12.57%) Administrator
8 18 (10.78%) Systems Engineer
9 16 (9.58%) Systems Administrator
10 15 (8.98%) Linux Administrator
10 15 (8.98%) NOC Engineer
11 14 (8.38%) Storage Architect
11 14 (8.38%) Virtualisation Architect
11 14 (8.38%) Virtualisation Technical Architect
12 13 (7.78%) Linux DevOps Engineer
12 13 (7.78%) Network Infrastructure Architect
Libraries, Frameworks & Software Standards
1 44 (26.35%) Middleware
2 32 (19.16%) HTML
3 30 (17.96%) XML
4 28 (16.77%) Rendezvous
4 28 (16.77%) Ultra Messaging
4 28 (16.77%) XSLT
5 13 (7.78%) LAMP
6 9 (5.39%) RabbitMQ
7 7 (4.19%) .NET
8 6 (3.59%) Web Services
9 5 (2.99%) Kafka
9 5 (2.99%) LEMP Stack
10 4 (2.40%) ActiveMQ
10 4 (2.40%) CSS
10 4 (2.40%) jQuery
10 4 (2.40%) libvirt
10 4 (2.40%) Sensu
10 4 (2.40%) Servlets
11 3 (1.80%) React
11 3 (1.80%) REST
Miscellaneous
1 26 (15.57%) Data Centre
2 7 (4.19%) Analytical Skills
2 7 (4.19%) Computer Science
3 6 (3.59%) Enterprise Software
3 6 (3.59%) Hybrid Cloud
4 5 (2.99%) Algorithms
5 4 (2.40%) Linux Command Line
5 4 (2.40%) Management Information System
5 4 (2.40%) Replication
6 3 (1.80%) iPad
6 3 (1.80%) Mobile App
7 2 (1.20%) Client/Server
7 2 (1.20%) Clustering
7 2 (1.20%) Digital Media
7 2 (1.20%) Fat Client
7 2 (1.20%) Fintech
7 2 (1.20%) Thin Client
8 1 (0.60%) Blackberry
8 1 (0.60%) Blog
8 1 (0.60%) Equities
Operating Systems
1 145 (86.83%) Linux
2 91 (54.49%) Windows
3 51 (30.54%) Solaris
4 24 (14.37%) Windows Server
5 22 (13.17%) Debian
6 19 (11.38%) Red Hat Enterprise Linux
7 18 (10.78%) Ubuntu
8 17 (10.18%) Windows Server 2012
9 14 (8.38%) CentOS
10 13 (7.78%) Windows Server 2008
11 12 (7.19%) Unix
12 4 (2.40%) Android
12 4 (2.40%) Apple iOS
12 4 (2.40%) Windows Server 2003
13 2 (1.20%) Windows 7
14 1 (0.60%) CoreOS
14 1 (0.60%) Fedora
14 1 (0.60%) Mac OS
14 1 (0.60%) VMS
14 1 (0.60%) Windows 8
Processes & Methodologies
1 64 (38.32%) Agile Software Development
2 55 (32.93%) Performance Tuning
3 49 (29.34%) Benchmarking
4 45 (26.95%) DevOps
5 30 (17.96%) Load Balancing
6 27 (16.17%) Continuous Integration
7 25 (14.97%) Configuration Management
8 20 (11.98%) Disaster Recovery
9 17 (10.18%) High Availability
10 15 (8.98%) ITIL
11 14 (8.38%) Storage Virtualisation
12 13 (7.78%) Server Hardening
13 11 (6.59%) Risk Management
14 10 (5.99%) Build Automation
14 10 (5.99%) Mentoring
15 8 (4.79%) Continuous Improvement
16 7 (4.19%) Auto-Scaling
16 7 (4.19%) Server Virtualisation
17 6 (3.59%) Kalman Filter
17 6 (3.59%) Web Filtering
Programming Languages
1 67 (40.12%) Python
2 57 (34.13%) Bash Shell
3 39 (23.35%) Java
4 38 (22.75%) JavaScript
5 29 (17.37%) Perl
5 29 (17.37%) SQL
6 25 (14.97%) Ruby
7 11 (6.59%) Shell Script
8 9 (5.39%) PHP
9 8 (4.79%) PowerShell
10 4 (2.40%) C++
11 3 (1.80%) Go
11 3 (1.80%) Scala
12 2 (1.20%) C#
12 2 (1.20%) Clojure
12 2 (1.20%) Erlang
13 1 (0.60%) AWK
13 1 (0.60%) C
13 1 (0.60%) Jython
13 1 (0.60%) sed
Qualifications
1 7 (4.19%) Degree
2 4 (2.40%) Microsoft Certification
3 3 (1.80%) CCNA
3 3 (1.80%) CCSA
3 3 (1.80%) CCSE
3 3 (1.80%) Cisco Certification
3 3 (1.80%) MCSE
4 2 (1.20%) MCSA
5 1 (0.60%) AWS Certification
5 1 (0.60%) CCNP
5 1 (0.60%) CISA
5 1 (0.60%) CISM
5 1 (0.60%) CISSP
5 1 (0.60%) MCITP
5 1 (0.60%) MCP
5 1 (0.60%) MCSD
5 1 (0.60%) Oracle Certification
Quality Assurance & Compliance
1 7 (4.19%) PCI DSS
1 7 (4.19%) SLA
2 4 (2.40%) ISO/IEC 27001
3 3 (1.80%) DICOM
3 3 (1.80%) HL7
4 1 (0.60%) QA
System Software
1 141 (84.43%) VMware Infrastructure
2 80 (47.90%) KVM
3 64 (38.32%) Hyper-V
4 56 (33.53%) NFS
5 49 (29.34%) Oracle RAC
5 49 (29.34%) SRDF
6 26 (15.57%) QEMU
7 23 (13.77%) Docker
8 19 (11.38%) vSphere
9 16 (9.58%) Active Directory
10 10 (5.99%) VirtualBox
11 9 (5.39%) Virtual Machines
11 9 (5.39%) XenServer
12 5 (2.99%) XenApp
13 4 (2.40%) VMware ESXi
14 3 (1.80%) LXC
14 3 (1.80%) VMware ESX
14 3 (1.80%) XenDesktop
15 2 (1.20%) iptables
15 2 (1.20%) Samba
Systems Management
1 78 (46.71%) Puppet
2 69 (41.32%) Ansible
3 47 (28.14%) Opscode Chef
4 39 (23.35%) Salt
5 23 (13.77%) Nagios
6 20 (11.98%) Kubernetes
7 19 (11.38%) ZABBIX
8 18 (10.78%) Mesos
9 12 (7.19%) Terraform
10 10 (5.99%) Cobbler
10 10 (5.99%) HAProxy
11 8 (4.79%) Graphite
12 5 (2.99%) rkt
12 5 (2.99%) Tivoli
13 4 (2.40%) Red Hat Spacewalk
13 4 (2.40%) SCCM
13 4 (2.40%) WSUS
14 3 (1.80%) Ganglia
14 3 (1.80%) StatsD
15 2 (1.20%) collectd
Vendors
1 144 (86.23%) VMware
2 66 (39.52%) Cisco
3 62 (37.13%) Oracle
4 54 (32.34%) NetApp
5 51 (30.54%) EMC
6 49 (29.34%) Intel
7 41 (24.55%) IBM
8 38 (22.75%) Sybase
9 28 (16.77%) TIBCO
10 27 (16.17%) SaltStack
11 20 (11.98%) Microsoft
12 15 (8.98%) Red Hat
13 14 (8.38%) Citrix
14 10 (5.99%) HP
15 7 (4.19%) CommVault
15 7 (4.19%) EnterpriseDB
15 7 (4.19%) Veeam
16 6 (3.59%) CheckPoint
16 6 (3.59%) Rackspace
17 5 (2.99%) Symantec
Central London / West End
Client Server
Salary: £35k to £50k + benefits
Posted: 2 days ago
London
Client Server
Salary: £35000 - £50000 per annum + benefits
Posted: 14 days ago
London
Client Server
Salary: £35k to £50k + benefits
Posted: 22 days ago