The table below looks at the statistics for POSIX skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited POSIX over the 3 months to 25 May 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
25 May 2016
Same period 2015 Same period 2014
Portable Operating System Interface (POSIX)
Rank 638 630 609
Rank change year-on-year
-8 -21
Contract jobs citing POSIX 3 8 17
As % of all contract IT jobs located in the UK 0.006% 0.015% 0.032%
As % of the Libraries, Frameworks & Software Standards category 0.020% 0.055% 0.12%
Number of daily rates quoted 1 5 12
Median daily rate £388 £415 £300
Median daily rate % change year-on-year
-6.62% +38.33%
UK excluding London median daily rate £388 £415 £300
% change year-on-year
-6.62% +38.33%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £37.50
UK excluding London median hourly rate - - £37.50

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised across the UK.

Libraries, Frameworks & Software Standards Category
UK
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
14889 14604 14477
As % of all contract IT jobs located in the UK 27.72% 26.95% 27.46%
Number of daily rates quoted 10557 9592 9635
Median daily rate £420 £388 £375
Median daily rate % change year-on-year
+8.38% +3.33%
90% offered a daily rate of more than £300 £280 £270
10% offered a daily rate of more than £575 £550 £525
UK excluding London median daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 172 201 174
Median hourly rate £35.00 £35.00 £35.00
90% offered a hourly rate of more than £11.00 £17.00 £17.85
10% offered a hourly rate of more than £55.00 £47.53 £55.00
UK excluding London median hourly rate £34.75 £37.50 £35.00
% change year-on-year
-7.33% +7.14%

POSIX
Jobs Demand Trend

The demand trend of contract jobs citing POSIX as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

POSIX Jobs Demand Trend in the UK

POSIX
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing POSIX within the UK.

POSIX Daily Rate Trend in the UK

POSIX
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing POSIX within the UK.

POSIX Hourly Rate Trend in the UK

POSIX
Top 7 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing POSIX within the UK over the 3 months to 25 May 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -20 3 £388 -6.62% 5
South West - 2 - -
Bournemouth - 2 - -
Dorset - 2 - -
South East - 1 £388 -
Winchester - 1 £388 -
Hampshire - 1 £388 -

POSIX
Top 30 Related IT Skills

For the 6 months to 25 May 2016, IT contractor jobs citing POSIX also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for POSIX.

1 8 (88.89%) Linux
2 5 (55.56%) Unix
2 5 (55.56%) AIX
2 5 (55.56%) Solaris
3 4 (44.44%) Red Hat Enterprise Linux
4 3 (33.33%) Data Guard
4 3 (33.33%) Oracle RAC
4 3 (33.33%) Oracle RMAN
4 3 (33.33%) Agile Software Development
4 3 (33.33%) Subversion
4 3 (33.33%) Oracle Application Server
4 3 (33.33%) Windows
4 3 (33.33%) PL/SQL
4 3 (33.33%) SQL
4 3 (33.33%) Oracle
4 3 (33.33%) Shell Script
4 3 (33.33%) Oracle Service Bus
4 3 (33.33%) Database Security
4 3 (33.33%) Oracle Database
5 2 (22.22%) Kernel Tuning
5 2 (22.22%) Oracle Database 12c
5 2 (22.22%) Public Cloud
5 2 (22.22%) Driving Licence
5 2 (22.22%) Project Management
5 2 (22.22%) IBM
5 2 (22.22%) Oracle Database 10g
5 2 (22.22%) Sun
5 2 (22.22%) Python
5 2 (22.22%) Red Hat
5 2 (22.22%) C

POSIX
Top Related IT Skills 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 (33.33%) Oracle Application Server
1 3 (33.33%) Oracle Service Bus
Cloud Services
1 1 (11.11%) Amazon AWS
Communications & Networking
1 1 (11.11%) HTTP
Database & Business Intelligence
1 3 (33.33%) Oracle Database
2 2 (22.22%) Oracle Database 10g
2 2 (22.22%) Oracle Database 11g
2 2 (22.22%) Oracle Database 12c
Development Applications
1 3 (33.33%) Subversion
2 1 (11.11%) Xcode
Job Titles
1 3 (33.33%) DBA
1 3 (33.33%) Linux Engineer
1 3 (33.33%) Oracle DBA
2 2 (22.22%) Linux Systems Engineer
2 2 (22.22%) Systems Engineer
3 1 (11.11%) Administrator
3 1 (11.11%) Developer
3 1 (11.11%) Embedded Engineer
3 1 (11.11%) Embedded Linux Engineer
3 1 (11.11%) Embedded Linux Software Engineer
3 1 (11.11%) Embedded Software Engineer
3 1 (11.11%) iOS Developer
3 1 (11.11%) Linux Administrator
3 1 (11.11%) Linux Specialist
3 1 (11.11%) Software Engineer
3 1 (11.11%) SQL DBA
3 1 (11.11%) Unix Administrator
3 1 (11.11%) Unix Specialist
Libraries, Frameworks & Software Standards
1 1 (11.11%) boto
1 1 (11.11%) Cocoa
1 1 (11.11%) Cocoa Touch
1 1 (11.11%) Core Animation
1 1 (11.11%) JSON
1 1 (11.11%) Oracle GoldenGate
1 1 (11.11%) Pthreads
1 1 (11.11%) RESTful
1 1 (11.11%) XML
Miscellaneous
1 2 (22.22%) Driving Licence
1 2 (22.22%) iSeries
1 2 (22.22%) Public Cloud
2 1 (11.11%) Algorithms
2 1 (11.11%) Animation
2 1 (11.11%) Cryptography
2 1 (11.11%) Data Structures
2 1 (11.11%) Embedded Systems
2 1 (11.11%) iPad
2 1 (11.11%) iPhone
Operating Systems
1 8 (88.89%) Linux
2 5 (55.56%) AIX
2 5 (55.56%) Solaris
2 5 (55.56%) Unix
3 4 (44.44%) Red Hat Enterprise Linux
4 3 (33.33%) Windows
5 1 (11.11%) Apple iOS
Processes & Methodologies
1 3 (33.33%) Agile Software Development
1 3 (33.33%) Database Security
2 2 (22.22%) Database Tuning
2 2 (22.22%) Kernel Tuning
2 2 (22.22%) Performance Testing
2 2 (22.22%) Project Management
2 2 (22.22%) Software Engineering
3 1 (11.11%) Automated Testing
3 1 (11.11%) Code Optimisation
3 1 (11.11%) Continuous Integration
3 1 (11.11%) iOS Development
3 1 (11.11%) Memory Management
3 1 (11.11%) Multithreading
3 1 (11.11%) MVC
3 1 (11.11%) OO
3 1 (11.11%) OOA/OOD
3 1 (11.11%) Requirements Analysis
3 1 (11.11%) Scrum
3 1 (11.11%) TDD
3 1 (11.11%) UML
Programming Languages
1 3 (33.33%) PL/SQL
1 3 (33.33%) Shell Script
1 3 (33.33%) SQL
2 2 (22.22%) Bash Shell
2 2 (22.22%) C
2 2 (22.22%) Python
3 1 (11.11%) C++
3 1 (11.11%) Java
3 1 (11.11%) Objective-C
3 1 (11.11%) Perl
3 1 (11.11%) PowerShell
Qualifications
1 2 (22.22%) SC Cleared
1 2 (22.22%) Security Cleared
2 1 (11.11%) Oracle Certification
System Software
1 3 (33.33%) Oracle RAC
Systems Management
1 3 (33.33%) Data Guard
1 3 (33.33%) Oracle RMAN
2 1 (11.11%) CFEngine
2 1 (11.11%) Opscode Chef
2 1 (11.11%) Puppet
Vendors
1 3 (33.33%) Oracle
2 2 (22.22%) IBM
2 2 (22.22%) Red Hat
2 2 (22.22%) Sun
2 2 (22.22%) VMware
3 1 (11.11%) Apple