The table below looks at the statistics for POSIX skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited POSIX over the 3 months to 27 March 2015 with a comparison to the same period in 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.

Location
3 months to
27 Mar 2015
Same period 2014 Same period 2013
Portable Operating System Interface for UNIX (POSIX)
Rank 592 543 534
Rank change year-on-year
-49 -9
Contract jobs citing POSIX 7 27 6
As % of all contract IT jobs located in the UK 0.013% 0.052% 0.013%
As % of the Libraries, Frameworks & Software Standards category 0.049% 0.19% 0.048%
Number of daily rates quoted 4 15 2
Average daily rate
Keep up to 90%
of your Daily Rate
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£375 £350 £385
Average daily rate % change year-on-year
+7.14% -9.09%
90% offered a daily rate of more than £323 £300 £333
10% offered a daily rate of more than £401 £419 £437
UK excluding London average daily rate £375 £323 £385
% change year-on-year
+16.27% -16.23%
Number of hourly rates quoted 0 8 4
Average hourly rate - £40.00 £40.00
UK excluding London average hourly rate - £40.00 £40.00

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
14151 14119 12451
As % of all contract IT jobs located in the UK 26.37% 27.20% 27.03%
Number of daily rates quoted 9202 8972 7852
Average daily rate £388 £375 £363
Average daily rate % change year-on-year
+3.33% +3.44%
90% offered a daily rate of more than £275 £260 £260
10% offered a daily rate of more than £546 £525 £550
UK excluding London average daily rate £350 £330 £325
% change year-on-year
+6.06% +1.53%
Number of hourly rates quoted 179 221 325
Average hourly rate £35.00 £35.00 £35.00
90% offered a hourly rate of more than £18.31 £16.87 £17.00
10% offered a hourly rate of more than £46.50 £53.50 £43.50
UK excluding London average hourly rate £36.00 £35.00 £35.00
% change year-on-year
+2.85% -

POSIX
Jobs Demand Trend

This chart provides the 3-month moving total of IT contractor jobs citing POSIX within the UK as a proportion of the total demand within 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 18 Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing POSIX within the UK over the 3 months to 27 March 2015. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -29 7 £375 +7.14% 1
South East -48 3 £375 +15.38%
Bracknell - 2 £338 -
Berkshire - 2 £338 -
London -2 1 - - 1
Milton Keynes - - - -
Torfaen - - - -
East of England - - - -
South Wales - - - -
South West - - - -
Wales - - - -
Buckinghamshire - - - -
Cambridgeshire - - - -
Gloucestershire - - - -
City of London - - - -
Cambridge - - - -
Cwmbran - - - -
Gloucester - - - -

POSIX
Top 30 Related IT Skills

For the 6 months to 27 March 2015, IT contractor jobs within the UK citing POSIX also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited POSIX.

1 11 (100.00%) Linux
2 7 (63.64%) UNIX
3 6 (54.55%) C
4 5 (45.45%) Python
4 5 (45.45%) Ruby
5 4 (36.36%) Software Engineering
5 4 (36.36%) C++
5 4 (36.36%) Oracle
5 4 (36.36%) Shell Script
6 3 (27.27%) Perl
6 3 (27.27%) UML
6 3 (27.27%) ClearCase
6 3 (27.27%) Test Automation
6 3 (27.27%) Bash Shell
6 3 (27.27%) Software Architecture
7 2 (18.18%) Puppet
7 2 (18.18%) MongoDB
7 2 (18.18%) NoSQL
7 2 (18.18%) Redis
7 2 (18.18%) Route 53
7 2 (18.18%) Couchbase
7 2 (18.18%) Amazon RDS
7 2 (18.18%) User Stories
7 2 (18.18%) Database Security
7 2 (18.18%) Opscode Chef
7 2 (18.18%) Relational Database
7 2 (18.18%) Oracle Database
7 2 (18.18%) HAProxy
7 2 (18.18%) DevOps
7 2 (18.18%) Salt

POSIX
Top Related IT Skills by Category

For the 6 months to 27 March 2015, IT contractor jobs within the UK citing POSIX also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited POSIX. Up to 20 skills are shown per category.

Application Platforms
1 2 (18.18%) Apache
1 2 (18.18%) Tomcat
1 2 (18.18%) nginx
2 1 (9.09%) Oracle Service Bus
2 1 (9.09%) Node.js
2 1 (9.09%) Oracle Application Server
Cloud Services
1 2 (18.18%) Amazon EC2
1 2 (18.18%) Amazon S3
1 2 (18.18%) Amazon AWS
1 2 (18.18%) Route 53
1 2 (18.18%) Virtual Private Cloud
Communications & Networking
1 2 (18.18%) DVB
1 2 (18.18%) Intrusion Detection
2 1 (9.09%) Internet
Database & Business Intelligence
1 2 (18.18%) MySQL
1 2 (18.18%) RDBMS
1 2 (18.18%) Oracle Database 10g
1 2 (18.18%) Oracle Database 11g
1 2 (18.18%) SimpleDB
1 2 (18.18%) MongoDB
1 2 (18.18%) NoSQL
1 2 (18.18%) Redis
1 2 (18.18%) Couchbase
1 2 (18.18%) Amazon RDS
1 2 (18.18%) Oracle Database
1 2 (18.18%) Relational Database
2 1 (9.09%) Oracle Database 12c
Development Applications
1 3 (27.27%) ClearCase
2 2 (18.18%) Git (software)
3 1 (9.09%) GNU Toolchain
3 1 (9.09%) BitKeeper
3 1 (9.09%) JIRA
General
1 2 (18.18%) Telecoms
Job Titles
1 4 (36.36%) Software Engineer
2 2 (18.18%) DBA
2 2 (18.18%) Administrator
2 2 (18.18%) Oracle DBA
2 2 (18.18%) Linux Engineer
3 1 (9.09%) Linux Specialist
3 1 (9.09%) Cloud Software Engineer
3 1 (9.09%) Cloud Engineer
3 1 (9.09%) Linux Systems Engineer
3 1 (9.09%) Tester
3 1 (9.09%) Embedded Software Engineer
3 1 (9.09%) Senior Oracle DBA
3 1 (9.09%) Senior DBA
3 1 (9.09%) Python Developer
3 1 (9.09%) Developer
3 1 (9.09%) Analyst
3 1 (9.09%) Test Analyst
3 1 (9.09%) Systems Engineer
Libraries, Frameworks & Software Standards
1 2 (18.18%) Web Services
Miscellaneous
1 2 (18.18%) DTV
1 2 (18.18%) STB
2 1 (9.09%) Client/Server
Operating Systems
1 11 (100.00%) Linux
2 7 (63.64%) UNIX
3 2 (18.18%) Windows
3 2 (18.18%) Debian
4 1 (9.09%) Ubuntu
4 1 (9.09%) AIX
4 1 (9.09%) Solaris
Processes & Methodologies
1 4 (36.36%) Software Engineering
2 3 (27.27%) UML
2 3 (27.27%) Test Automation
2 3 (27.27%) Software Architecture
3 2 (18.18%) User Stories
3 2 (18.18%) Database Security
3 2 (18.18%) Security Testing
3 2 (18.18%) Continuous Integration
3 2 (18.18%) Kanban
3 2 (18.18%) Configuration Management
3 2 (18.18%) Service Management
3 2 (18.18%) TDD
3 2 (18.18%) Data Management
3 2 (18.18%) Network Design
3 2 (18.18%) DevOps
4 1 (9.09%) Performance Testing
4 1 (9.09%) Agile Software Development
4 1 (9.09%) Database Tuning
4 1 (9.09%) Test Scripting
4 1 (9.09%) Performance Analysis
Programming Languages
1 6 (54.55%) C
2 5 (45.45%) Python
2 5 (45.45%) Ruby
3 4 (36.36%) Shell Script
3 4 (36.36%) C++
4 3 (27.27%) Perl
4 3 (27.27%) Bash Shell
5 2 (18.18%) Lua
5 2 (18.18%) Embedded C
5 2 (18.18%) PL/SQL
5 2 (18.18%) SQL
6 1 (9.09%) PHP
6 1 (9.09%) AWK
6 1 (9.09%) sed
Qualifications
1 2 (18.18%) SC Cleared
1 2 (18.18%) Security Cleared
2 1 (9.09%) OCP
2 1 (9.09%) Oracle Certification
2 1 (9.09%) Degree
System Software
1 2 (18.18%) Oracle RAC
Systems Management
1 2 (18.18%) Oracle RMAN
1 2 (18.18%) Data Guard
1 2 (18.18%) Puppet
1 2 (18.18%) Opscode Chef
1 2 (18.18%) HAProxy
1 2 (18.18%) Salt
2 1 (9.09%) Ansible
Vendors
1 4 (36.36%) Oracle
2 1 (9.09%) Red Hat
2 1 (9.09%) hybris