The following table provides summary statistics for permanent job vacancies advertised in Essex 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 29 June 2017 with a comparison to the same period in the previous 2 years.

Xen Project
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank - 87 -
Permanent jobs citing Xen 0 2 0
As % of all permanent IT jobs advertised in Essex - 0.20% -
As % of the System Software category - 1.90% -
Number of salaries quoted 0 0 0
Essex median annual salary - - -
East of England median annual salary £58,500 £46,250 £40,000
% change year-on-year +26.48% +15.62%  

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 Essex with a requirement for system software skills.

System Software Skills
Essex
Permanent job vacancies with a requirement for system software skills 127 105 153
As % of all permanent IT job vacancies advertised in Essex 13.37% 10.34% 12.37%
Number of salaries quoted 175 174 145
Essex median annual salary £45,000 £40,000 £37,500
Median salary % change year-on-year +12.50% +6.66%  
10th Percentile £26,700 £23,000 £28,000
90th Percentile £53,750 £52,500 £55,000
East of England median annual salary £44,500 £42,500 £40,000
% change year-on-year +4.70% +6.25%  

Xen
Job Vacancy Trend in Essex

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

Job vacancy trend for Xen in Essex

Xen
Salary Trend in Essex

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

Salary trend for Xen in Essex

For the 6 months to 29 June 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 Essex region with a requirement for Xen.

1 2 (100.00%) Linux
2 1 (50.00%) OO
2 1 (50.00%) Apache
2 1 (50.00%) Python
2 1 (50.00%) PhD
2 1 (50.00%) OOD
2 1 (50.00%) POSIX
2 1 (50.00%) Cisco
2 1 (50.00%) CISSP
2 1 (50.00%) NetApp
2 1 (50.00%) Pegasus
2 1 (50.00%) Firewall
2 1 (50.00%) Data Security
2 1 (50.00%) Games
2 1 (50.00%) PostgreSQL
2 1 (50.00%) Extreme Programming
2 1 (50.00%) VMware
2 1 (50.00%) Grid Computing
2 1 (50.00%) GSEC
2 1 (50.00%) Agile Software Development
2 1 (50.00%) Data Management
2 1 (50.00%) e-Health
2 1 (50.00%) Data Analysis
2 1 (50.00%) Artificial Intelligence
2 1 (50.00%) Bioinformatics
2 1 (50.00%) Ruby
2 1 (50.00%) Statistics
2 1 (50.00%) Degree
2 1 (50.00%) Informatics
2 1 (50.00%) Mathematics

Xen
Co-occurring IT Skills in Essex 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 1 (50.00%) Apache
1 1 (50.00%) OpenStack
Communications & Networking
1 1 (50.00%) Firewall
Database & Business Intelligence
1 1 (50.00%) Apache Cassandra
1 1 (50.00%) CouchDB
1 1 (50.00%) MariaDB
1 1 (50.00%) MongoDB
1 1 (50.00%) MySQL
1 1 (50.00%) Neo4j
1 1 (50.00%) PostgreSQL
1 1 (50.00%) Relational Database
General
1 1 (50.00%) Games
Job Titles
1 1 (50.00%) Administrator
1 1 (50.00%) Developer
1 1 (50.00%) Linux Administrator
1 1 (50.00%) Linux Systems Administrator
1 1 (50.00%) Principal Developer
1 1 (50.00%) Principal Software Developer
1 1 (50.00%) Software Developer
Libraries, Frameworks & Software Standards
1 1 (50.00%) HTML
1 1 (50.00%) HTML5
1 1 (50.00%) POSIX
Miscellaneous
1 1 (50.00%) Algorithms
1 1 (50.00%) Computer Science
1 1 (50.00%) e-Health
1 1 (50.00%) Grid Computing
Operating Systems
1 2 (100.00%) Linux
2 1 (50.00%) Unix
2 1 (50.00%) Windows
Processes & Methodologies
1 1 (50.00%) Agile Software Development
1 1 (50.00%) Artificial Intelligence
1 1 (50.00%) Data Analysis
1 1 (50.00%) Data Management
1 1 (50.00%) Data Security
1 1 (50.00%) Extreme Programming
1 1 (50.00%) Game Theory
1 1 (50.00%) Gibbs Sampling
1 1 (50.00%) Hidden Markov Model
1 1 (50.00%) Informatics
1 1 (50.00%) Machine Learning
1 1 (50.00%) Mathematics
1 1 (50.00%) Memory Management
1 1 (50.00%) OO
1 1 (50.00%) OOD
1 1 (50.00%) Open Source
1 1 (50.00%) Performance Tuning
1 1 (50.00%) Physics
1 1 (50.00%) SABSA
1 1 (50.00%) Statistics
Programming Languages
1 1 (50.00%) C
1 1 (50.00%) C++
1 1 (50.00%) Go
1 1 (50.00%) Haskell
1 1 (50.00%) Java
1 1 (50.00%) Perl
1 1 (50.00%) Python
1 1 (50.00%) R
1 1 (50.00%) Ruby
Qualifications
1 1 (50.00%) CISSP
1 1 (50.00%) Computer Science Degree
1 1 (50.00%) Degree
1 1 (50.00%) GSEC
1 1 (50.00%) PhD
System Software
1 1 (50.00%) Docker
1 1 (50.00%) KVM
1 1 (50.00%) LXC
1 1 (50.00%) Slurm Workload Manager
1 1 (50.00%) VMware Infrastructure
Systems Management
1 1 (50.00%) Mesos
Vendors
1 1 (50.00%) Cisco
1 1 (50.00%) NetApp
1 1 (50.00%) Pegasus
1 1 (50.00%) VMware