The following table provides summary statistics for contract job vacancies advertised in Middlesex with a requirement for Unix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unix over the 3 months to 27 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.

Unix
South East / Middlesex
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 18 22 20
Rank change year-on-year +4 -2  
Contract jobs citing Unix 2 1 3
As % of all contract IT jobs advertised in Middlesex 1.60% 0.63% 1.86%
As % of the Operating Systems category 9.52% 3.85% 15.00%
Number of daily rates quoted 2 0 3
Median daily rate £350 - £345
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £31.50 £35.00 £35.00
% change year-on-year -10.00% -  

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

Contract Operating System Skills
Middlesex
Contract job vacancies with a requirement for operating system skills 21 26 20
As % of all contract IT job vacancies advertised in Middlesex 16.80% 16.46% 12.42%
Number of daily rates quoted 12 13 10
Median daily rate £350 £388 £350
Median daily rate % change year-on-year -9.67% +10.71%  
90% offered a daily rate of more than £232 £152 £280
10% offered a daily rate of more than £550 £500 £450
UK excluding London median daily rate £390 £363 £338
% change year-on-year +7.58% +7.40%  
Number of hourly rates quoted 0 9 0
Median hourly rate - £44.00 -
UK excluding London median hourly rate £15.25 £16.84 £15.50
% change year-on-year -9.44% +8.64%  

Unix
Job Vacancy Trend in Middlesex

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

Job vacancy trend for Unix in Middlesex

Unix
Contractor Daily Rate Trend in Middlesex

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

Contractor daily rate trend for Unix in Middlesex

Unix
Contractor Hourly Rate Trend in Middlesex

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

Contractor hourly rate trend for Unix in Middlesex

Unix
Top 30 Co-occurring IT Skills in Middlesex

For the 6 months to 27 March 2017, IT contractor jobs citing Unix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Middlesex region with a requirement for Unix.

1 7 (100.00%) SQL
2 5 (71.43%) SQL Server
2 5 (71.43%) Linux
2 5 (71.43%) Perl
3 3 (42.86%) Advertising
3 3 (42.86%) Wireshark
3 3 (42.86%) Fiddler
3 3 (42.86%) DevOps
3 3 (42.86%) Over-the-Top Content
4 2 (28.57%) Multithreading
4 2 (28.57%) WinForms
4 2 (28.57%) UniBasic
4 2 (28.57%) Redback
4 2 (28.57%) SQL Server 2005
4 2 (28.57%) JSON
4 2 (28.57%) OOP
4 2 (28.57%) OO
4 2 (28.57%) Ingres
4 2 (28.57%) IBM
4 2 (28.57%) ASP.NET
4 2 (28.57%) CSS
4 2 (28.57%) STL
4 2 (28.57%) Web Services
4 2 (28.57%) XML
4 2 (28.57%) Windows
4 2 (28.57%) T-SQL
4 2 (28.57%) VB.NET
4 2 (28.57%) .NET
4 2 (28.57%) C#
4 2 (28.57%) C++

Unix
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:

Communications & Networking
1 3 (42.86%) Wireshark
Database & Business Intelligence
1 5 (71.43%) SQL Server
2 2 (28.57%) Ingres
2 2 (28.57%) SQL Server 2005
3 1 (14.29%) MySQL
Development Applications
1 3 (42.86%) Fiddler
General
1 3 (42.86%) Advertising
Job Titles
1 4 (57.14%) Developer
2 2 (28.57%) .NET Developer
2 2 (28.57%) C# .NET Developer
2 2 (28.57%) C# Developer
2 2 (28.57%) C++ Developer
3 1 (14.29%) C# VB.NET Developer
3 1 (14.29%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 2 (28.57%) .NET
1 2 (28.57%) ASP.NET
1 2 (28.57%) CSS
1 2 (28.57%) HTML
1 2 (28.57%) HTML5
1 2 (28.57%) JSON
1 2 (28.57%) STL
1 2 (28.57%) Web Services
1 2 (28.57%) WinForms
1 2 (28.57%) XML
Miscellaneous
1 3 (42.86%) Over-the-Top Content
2 1 (14.29%) PlayStation
2 1 (14.29%) Xbox
Operating Systems
1 5 (71.43%) Linux
2 2 (28.57%) Windows
Processes & Methodologies
1 3 (42.86%) DevOps
2 2 (28.57%) Multithreading
2 2 (28.57%) OO
2 2 (28.57%) OOP
2 2 (28.57%) Prototyping
3 1 (14.29%) Operational Acceptance Testing
Programming Languages
1 7 (100.00%) SQL
2 5 (71.43%) Perl
3 2 (28.57%) C#
3 2 (28.57%) C++
3 2 (28.57%) Java
3 2 (28.57%) JavaScript
3 2 (28.57%) T-SQL
3 2 (28.57%) UniBasic
3 2 (28.57%) VB.NET
4 1 (14.29%) PowerShell
Vendors
1 2 (28.57%) IBM
1 2 (28.57%) Redback
2 1 (14.29%) Google