Period
to 23 July 2017

The following table provides summary statistics for permanent job vacancies advertised in Middlesex with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 23 July 2017 with a comparison to the same period in the previous 2 years.

Linux
South East > Middlesex
6 months to
23 Jul 2017
Same period 2016 Same period 2015
Rank 21 27 24
Rank change year-on-year +6 -3 -11
Permanent jobs citing Linux 16 19 41
As % of all permanent IT jobs advertised in Middlesex 8.60% 6.44% 6.80%
As % of the Operating Systems category 38.10% 35.85% 47.13%
Number of salaries quoted 6 17 35
Middlesex median annual salary £47,500 £40,000 £47,500
Median salary % change year-on-year +18.75% -15.79% +5.56%
10th Percentile £36,250 £37,800 £37,750
90th Percentile £65,000 £55,500 £58,750
South East median annual salary £45,000 £45,000 £44,000
% change year-on-year - +2.27% +8.64%

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Middlesex with a requirement for operating system skills.

Operating System Skills
Middlesex
Permanent job vacancies with a requirement for operating system skills 42 53 87
As % of all permanent IT job vacancies advertised in Middlesex 22.58% 17.97% 14.43%
Number of salaries quoted 26 46 75
Middlesex median annual salary £35,000 £40,000 £45,000
Median salary % change year-on-year -12.50% -11.11% +5.88%
10th Percentile £27,625 £24,686 £25,200
90th Percentile £51,250 £55,000 £58,250
South East median annual salary £41,500 £42,500 £40,000
% change year-on-year -2.35% +6.25% -

Linux
Job Vacancy Trend in Middlesex

Job postings citing Linux as a percentage of all IT jobs advertised in Middlesex.

Job vacancy trend for Linux in Middlesex

Linux
Salary Trend in Middlesex

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

Salary trend for Linux in Middlesex

Linux
Salary Histogram in Middlesex

The salary distribution of IT jobs citing Linux in Middlesex over the 6 months to 23 July 2017.

Salary histogram for Linux in Middlesex

For the 6 months to 23 July 2017, IT jobs citing Linux 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 Middlesex region with a requirement for Linux.

1 12 (75.00%) Agile Software Development
2 8 (50.00%) VMware
2 8 (50.00%) VMware Infrastructure
2 8 (50.00%) Amazon AWS
2 8 (50.00%) Windows
2 8 (50.00%) Python
2 8 (50.00%) Configuration Management
2 8 (50.00%) Puppet
2 8 (50.00%) IaaS
2 8 (50.00%) Ansible
2 8 (50.00%) DevOps
3 7 (43.75%) Unix
3 7 (43.75%) Java
4 6 (37.50%) Ant
4 6 (37.50%) TeamCity
4 6 (37.50%) Computer Science
4 6 (37.50%) Integration Testing
4 6 (37.50%) Continuous Integration
4 6 (37.50%) Multithreading
4 6 (37.50%) Nagios
4 6 (37.50%) Maven
4 6 (37.50%) Marketing
4 6 (37.50%) Degree
4 6 (37.50%) SaltStack
4 6 (37.50%) Docker
4 6 (37.50%) Icinga
4 6 (37.50%) User Experience
4 6 (37.50%) Mesos
4 6 (37.50%) LXC
4 6 (37.50%) Graphite

Linux
Co-occurring IT Skills in Middlesex 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 6 (37.50%) OpenStack
2 4 (25.00%) Confluence
3 2 (12.50%) SAS
3 2 (12.50%) Tomcat
Business Applications
1 4 (25.00%) Oracle BPM
Cloud Services
1 8 (50.00%) Amazon AWS
1 8 (50.00%) IaaS
2 6 (37.50%) Microsoft Azure
3 2 (12.50%) Amazon CloudWatch
3 2 (12.50%) Amazon EC2
3 2 (12.50%) Amazon ELB
3 2 (12.50%) Amazon S3
3 2 (12.50%) AWS CloudFormation
3 2 (12.50%) PaaS
3 2 (12.50%) SaaS
3 2 (12.50%) Virtual Private Cloud
Communications & Networking
1 4 (25.00%) DNS
2 2 (12.50%) DHCP
2 2 (12.50%) Fibre Channel
2 2 (12.50%) SAN
Database & Business Intelligence
1 2 (12.50%) Amazon RDS
Development Applications
1 6 (37.50%) Ant
1 6 (37.50%) Jenkins
1 6 (37.50%) Maven
1 6 (37.50%) TeamCity
1 6 (37.50%) Vagrant
2 4 (25.00%) JIRA
General
1 6 (37.50%) Marketing
Job Titles
1 8 (50.00%) DevOps Engineer
2 5 (31.25%) Developer
2 5 (31.25%) Systems Engineer
3 4 (25.00%) Java Developer
4 3 (18.75%) Linux Engineer
4 3 (18.75%) Linux Systems Engineer
5 2 (12.50%) DevOps Systems Engineer
5 2 (12.50%) IT Engineer
5 2 (12.50%) Linux DevOps Engineer
5 2 (12.50%) Linux/Unix DevOps
5 2 (12.50%) Ruby Engineer
5 2 (12.50%) Senior DevOps
5 2 (12.50%) Senior DevOps Engineer
5 2 (12.50%) Senior Linux Engineer
5 2 (12.50%) Senior Linux Systems Engineer
5 2 (12.50%) Senior Systems Engineer
5 2 (12.50%) Server Engineer
6 1 (6.25%) C Developer
6 1 (6.25%) Linux Administrator
6 1 (6.25%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 4 (25.00%) ActiveMQ
1 4 (25.00%) jBPM
1 4 (25.00%) REST
1 4 (25.00%) SOAP
1 4 (25.00%) Spring
1 4 (25.00%) Spring Security
1 4 (25.00%) XML
2 2 (12.50%) J2EE
3 1 (6.25%) AngularJS
3 1 (6.25%) STL
3 1 (6.25%) Swing
Miscellaneous
1 6 (37.50%) Computer Science
1 6 (37.50%) User Experience
2 2 (12.50%) Hybrid Cloud
Operating Systems
1 8 (50.00%) Windows
2 7 (43.75%) Unix
3 6 (37.50%) CoreOS
4 2 (12.50%) Windows Server
4 2 (12.50%) Windows Server 2003
4 2 (12.50%) Windows Server 2008
4 2 (12.50%) Windows Server 2012
Processes & Methodologies
1 12 (75.00%) Agile Software Development
2 8 (50.00%) Configuration Management
2 8 (50.00%) DevOps
3 6 (37.50%) Continuous Integration
3 6 (37.50%) Integration Testing
3 6 (37.50%) Multithreading
3 6 (37.50%) Test Automation
4 4 (25.00%) AOP
4 4 (25.00%) Performance Analysis
4 4 (25.00%) Scrum
5 2 (12.50%) Auto-Scaling
5 2 (12.50%) Digital Transformation Programme
5 2 (12.50%) High Availability
5 2 (12.50%) ITIL
Programming Languages
1 8 (50.00%) Python
2 7 (43.75%) Java
3 3 (18.75%) Bash Shell
3 3 (18.75%) Perl
4 2 (12.50%) PHP
4 2 (12.50%) Ruby
5 1 (6.25%) C
5 1 (6.25%) C++
5 1 (6.25%) SQL
Qualifications
1 6 (37.50%) Computer Science Degree
1 6 (37.50%) Degree
1 6 (37.50%) Master's Degree
2 2 (12.50%) ITIL Certification
2 2 (12.50%) MCP
2 2 (12.50%) MCSA
2 2 (12.50%) MCSE
2 2 (12.50%) Microsoft Certification
2 2 (12.50%) VMware Certified Professional (VCP)
System Software
1 8 (50.00%) VMware Infrastructure
2 6 (37.50%) Apache ZooKeeper
2 6 (37.50%) Docker
2 6 (37.50%) LXC
3 2 (12.50%) Active Directory
3 2 (12.50%) NFS
3 2 (12.50%) Sendmail
3 2 (12.50%) Virtual Servers
3 2 (12.50%) vSphere
Systems Management
1 8 (50.00%) Ansible
1 8 (50.00%) Puppet
2 6 (37.50%) Graphite
2 6 (37.50%) Icinga
2 6 (37.50%) Mesos
2 6 (37.50%) Nagios
2 6 (37.50%) Opscode Chef
3 2 (12.50%) SCCM
3 2 (12.50%) vCenter Server
Vendors
1 8 (50.00%) VMware
2 6 (37.50%) New Relic
2 6 (37.50%) Rackspace
2 6 (37.50%) SaltStack
3 5 (31.25%) Oracle
4 2 (12.50%) HP