The following table provides summary statistics for permanent job vacancies advertised in Twickenham with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 3 months to 22 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Linux
London / Twickenham
Rank - 10 12
Permanent jobs citing Linux 0 10 4
As % of all permanent IT jobs advertised in Twickenham - 12.82% 6.15%
As % of the Operating Systems category - 52.63% 40.00%
Number of salaries quoted 0 10 2
Median salary - £50,000 £60,000
Median salary % change year-on-year - -16.66%  
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

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 Twickenham with a requirement for operating system skills.

Operating System Skills
Twickenham
Permanent job vacancies with a requirement for operating system skills 16 19 10
As % of all permanent IT job vacancies advertised in Twickenham 31.37% 24.36% 15.38%
Number of salaries quoted 12 19 8
Median salary £35,000 £37,500 £36,000
Median salary % change year-on-year -6.66% +4.16%  
90% offered a salary of more than £22,500 £35,000 £22,000
10% offered a salary of more than £50,000 £60,000 £51,000
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Twickenham

The job posting trend of jobs advertised in Twickenham citing Linux as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in Twickenham

Linux
Salary Trend in Twickenham

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

Salary trend for Linux in Twickenham

Linux
Top 30 Related IT Skills in Twickenham

For the 6 months to 22 March 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 Twickenham region with a requirement for Linux.

1 4 (100.00%) Windows
1 4 (100.00%) Active Directory
1 4 (100.00%) VMware
1 4 (100.00%) Windows Server 2008
1 4 (100.00%) Windows Server 2012
1 4 (100.00%) Windows Server
2 3 (75.00%) Virtual Servers
2 3 (75.00%) vSphere
2 3 (75.00%) Fibre Channel
2 3 (75.00%) VMware Certified Professional (VCP)
2 3 (75.00%) SCCM
2 3 (75.00%) VMware Infrastructure
2 3 (75.00%) HP
2 3 (75.00%) Microsoft Certification
2 3 (75.00%) ITIL Certification
2 3 (75.00%) SAN
2 3 (75.00%) Windows Server 2003
2 3 (75.00%) ITIL
2 3 (75.00%) MCP
2 3 (75.00%) MCSE
2 3 (75.00%) MCSA
2 3 (75.00%) SAS
2 3 (75.00%) DHCP
2 3 (75.00%) DNS
3 1 (25.00%) SQL Server 2012
3 1 (25.00%) SQL Server 2008
3 1 (25.00%) PowerShell
3 1 (25.00%) Microsoft
3 1 (25.00%) SQL
3 1 (25.00%) .NET

Linux
Top Related IT Skills in Twickenham 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 3 (75.00%) SAS
2 1 (25.00%) IIS
Communications & Networking
1 3 (75.00%) DHCP
1 3 (75.00%) DNS
1 3 (75.00%) Fibre Channel
1 3 (75.00%) SAN
Database & Business Intelligence
1 1 (25.00%) SQL Server
1 1 (25.00%) SQL Server 2008
1 1 (25.00%) SQL Server 2012
Job Titles
1 2 (50.00%) IT Engineer
1 2 (50.00%) Systems Engineer
2 1 (25.00%) Analyst
2 1 (25.00%) Infrastructure Engineer
2 1 (25.00%) Senior Analyst
2 1 (25.00%) Senior Support Analyst
2 1 (25.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 1 (25.00%) .NET
Operating Systems
1 4 (100.00%) Windows
1 4 (100.00%) Windows Server
1 4 (100.00%) Windows Server 2008
1 4 (100.00%) Windows Server 2012
2 3 (75.00%) Windows Server 2003
Processes & Methodologies
1 3 (75.00%) ITIL
Programming Languages
1 1 (25.00%) PowerShell
1 1 (25.00%) SQL
Qualifications
1 3 (75.00%) ITIL Certification
1 3 (75.00%) MCP
1 3 (75.00%) MCSA
1 3 (75.00%) MCSE
1 3 (75.00%) Microsoft Certification
1 3 (75.00%) VMware Certified Professional (VCP)
System Software
1 4 (100.00%) Active Directory
2 3 (75.00%) Virtual Servers
2 3 (75.00%) VMware Infrastructure
2 3 (75.00%) vSphere
Systems Management
1 3 (75.00%) SCCM
Vendors
1 4 (100.00%) VMware
2 3 (75.00%) HP
3 1 (25.00%) Microsoft