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 24 August 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
24 Aug 2016
Same period 2015 Same period 2014
Portable Operating System Interface (POSIX)
Rank 660 652 595
Rank change year-on-year
-8 -57
Contract jobs citing POSIX 1 10 29
As % of all contract IT jobs located in the UK 0.002% 0.017% 0.052%
As % of the Libraries, Frameworks & Software Standards category 0.006% 0.061% 0.19%
Number of daily rates quoted 0 7 22
Median daily rate - £300 £363
Median daily rate % change year-on-year
- -17.24%
UK excluding London median daily rate - £415 £363
% change year-on-year
- +14.48%
Number of hourly rates quoted 0 1 0
Median hourly rate - £35.00 -
UK excluding London median hourly rate - £35.00 -

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
16193 16315 15394
As % of all contract IT jobs located in the UK 29.70% 27.91% 27.75%
Number of daily rates quoted 11229 11015 9789
Median daily rate £420 £400 £375
Median daily rate % change year-on-year
+5.00% +6.66%
90% offered a daily rate of more than £300 £288 £270
10% offered a daily rate of more than £550 £550 £525
UK excluding London median daily rate £375 £363 £350
% change year-on-year
+3.44% +3.57%
Number of hourly rates quoted 199 286 218
Median hourly rate £40.00 £39.00 £35.00
Median hourly rate % change year-on-year
+2.56% +11.42%
90% offered a hourly rate of more than £19.97 £17.50 £17.50
10% offered a hourly rate of more than £52.00 £52.17 £55.60
UK excluding London median hourly rate £40.00 £39.25 £34.00
% change year-on-year
+1.91% +15.44%

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 4 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 24 August 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 -7 1 - - 3
Hertfordshire - 1 - -
Stevenage - 1 - -
East of England - 1 - - 3

POSIX
Top 30 Related IT Skills

For the 6 months to 24 August 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 4 (100.00%) Linux
2 3 (75.00%) Python
2 3 (75.00%) Red Hat Enterprise Linux
2 3 (75.00%) Agile Software Development
3 2 (50.00%) Subversion
3 2 (50.00%) Kernel Tuning
3 2 (50.00%) Public Cloud
3 2 (50.00%) Performance Testing
3 2 (50.00%) Bash Shell
3 2 (50.00%) Java
3 2 (50.00%) Unix
3 2 (50.00%) Windows
4 1 (25.00%) Doxygen
4 1 (25.00%) Degree
4 1 (25.00%) Computer Science
4 1 (25.00%) Aerospace
4 1 (25.00%) Validation
4 1 (25.00%) VMware
4 1 (25.00%) IC Design
4 1 (25.00%) AIX
4 1 (25.00%) Solaris
4 1 (25.00%) IBM
4 1 (25.00%) Sun
4 1 (25.00%) Red Hat
4 1 (25.00%) Shell Script
4 1 (25.00%) Project Management
4 1 (25.00%) Computer Architecture
4 1 (25.00%) Waterfall
4 1 (25.00%) Puppet
4 1 (25.00%) Cygwin

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:

Applications
1 1 (25.00%) Doxygen
Cloud Services
1 1 (25.00%) Amazon AWS
Development Applications
1 2 (50.00%) Subversion
2 1 (25.00%) Emacs
2 1 (25.00%) GCC
2 1 (25.00%) Git (software)
2 1 (25.00%) Mercurial
General
1 1 (25.00%) Aerospace
Job Titles
1 2 (50.00%) Linux Engineer
1 2 (50.00%) Linux Systems Engineer
1 2 (50.00%) Systems Engineer
2 1 (25.00%) Administrator
2 1 (25.00%) Embedded Engineer
2 1 (25.00%) Linux Administrator
2 1 (25.00%) Software Validation Engineer
2 1 (25.00%) Unix Administrator
2 1 (25.00%) Validation Engineer
Libraries, Frameworks & Software Standards
1 1 (25.00%) boto
Miscellaneous
1 2 (50.00%) Public Cloud
2 1 (25.00%) Computer Science
2 1 (25.00%) Driving Licence
2 1 (25.00%) Embedded Systems
2 1 (25.00%) iSeries
Operating Systems
1 4 (100.00%) Linux
2 3 (75.00%) Red Hat Enterprise Linux
3 2 (50.00%) Unix
3 2 (50.00%) Windows
4 1 (25.00%) AIX
4 1 (25.00%) Solaris
Processes & Methodologies
1 3 (75.00%) Agile Software Development
2 2 (50.00%) Kernel Tuning
2 2 (50.00%) Performance Testing
3 1 (25.00%) Computer Architecture
3 1 (25.00%) Digital Signal Processing
3 1 (25.00%) IC Design
3 1 (25.00%) Project Management
3 1 (25.00%) Signal Processing
3 1 (25.00%) Validation
3 1 (25.00%) Waterfall
Programming Languages
1 3 (75.00%) Python
2 2 (50.00%) Bash Shell
2 2 (50.00%) Java
3 1 (25.00%) C
3 1 (25.00%) PowerShell
3 1 (25.00%) Shell Script
Qualifications
1 1 (25.00%) Degree
1 1 (25.00%) SC Cleared
1 1 (25.00%) Security Cleared
Quality Assurance & Compliance
1 1 (25.00%) MISRA
1 1 (25.00%) MISRA C
System Software
1 1 (25.00%) Cygwin
Systems Management
1 1 (25.00%) CFEngine
1 1 (25.00%) Opscode Chef
1 1 (25.00%) Puppet
Vendors
1 1 (25.00%) IBM
1 1 (25.00%) Red Hat
1 1 (25.00%) Sun
1 1 (25.00%) VMware