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 3 July 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
3 Jul 2015
Same period 2014 Same period 2013
Portable Operating System Interface for UNIX (POSIX)
Rank 603 567 535
Rank change year-on-year
-36 -32
Contract jobs citing POSIX 10 25 22
As % of all contract IT jobs located in the UK 0.018% 0.047% 0.045%
As % of the Libraries, Frameworks & Software Standards category 0.065% 0.17% 0.16%
Number of daily rates quoted 9 21 17
Average daily rate
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£415 £350 £325
Average daily rate % change year-on-year
+18.57% +7.69%
UK excluding London average daily rate £415 £350 £325
% change year-on-year
+18.57% +7.69%
Number of hourly rates quoted 0 0 1
Average hourly rate - - £40.00
UK excluding London average hourly rate - - £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
15302 14868 13755
As % of all contract IT jobs located in the UK 27.41% 28.09% 27.93%
Number of daily rates quoted 10241 9644 8648
Average daily rate £385 £375 £375
Average daily rate % change year-on-year
+2.66% -
90% offered a daily rate of more than £275 £265 £250
10% offered a daily rate of more than £550 £525 £550
UK excluding London average daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 225 213 332
Average hourly rate £39.00 £35.00 £35.00
Average hourly rate % change year-on-year
+11.42% -
90% offered a hourly rate of more than £19.00 £18.00 £22.20
10% offered a hourly rate of more than £55.00 £52.50 £47.50
UK excluding London average hourly rate £40.00 £33.55 £35.00
% change year-on-year
+19.22% -4.14%

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 6 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 3 July 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 -46 10 £415 +18.57% 1
Leeds - 6 £415 -
West Yorkshire - 6 £415 -
Yorkshire - 6 £415 -
London -10 4 £300 -29.41%
Kingston Upon Thames - 3 £300 -

POSIX
Top 30 Related IT Skills

For the 6 months to 3 July 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 17 (94.44%) Linux
2 15 (83.33%) UNIX
3 10 (55.56%) MySQL
3 10 (55.56%) Oracle
3 10 (55.56%) Telecoms
3 10 (55.56%) Software Engineering
4 9 (50.00%) Git (software)
4 9 (50.00%) Bash Shell
5 8 (44.44%) Service Management
5 8 (44.44%) TDD
5 8 (44.44%) Windows
5 8 (44.44%) Python
5 8 (44.44%) Test Automation
5 8 (44.44%) Continuous Integration
6 7 (38.89%) Kanban
6 7 (38.89%) Performance Testing
6 7 (38.89%) Security Testing
6 7 (38.89%) nginx
6 7 (38.89%) SimpleDB
6 7 (38.89%) hybris
6 7 (38.89%) Amazon EC2
6 7 (38.89%) Amazon S3
6 7 (38.89%) Amazon AWS
6 7 (38.89%) Puppet
6 7 (38.89%) MongoDB
6 7 (38.89%) NoSQL
6 7 (38.89%) Redis
6 7 (38.89%) Route 53
6 7 (38.89%) Couchbase
6 7 (38.89%) Amazon RDS

POSIX
Top Related IT Skills by Category

For the 6 months to 3 July 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 7 (38.89%) Apache
1 7 (38.89%) Tomcat
1 7 (38.89%) nginx
2 1 (5.56%) Oracle Service Bus
2 1 (5.56%) Oracle Application Server
Business Applications
1 1 (5.56%) Oracle Retail
Cloud Services
1 7 (38.89%) Amazon EC2
1 7 (38.89%) Amazon S3
1 7 (38.89%) Amazon AWS
1 7 (38.89%) Route 53
1 7 (38.89%) Virtual Private Cloud
Communications & Networking
1 7 (38.89%) Internet
1 7 (38.89%) Intrusion Detection
2 3 (16.67%) SS7
2 3 (16.67%) SCCP
2 3 (16.67%) 2G
2 3 (16.67%) 3G
2 3 (16.67%) CDMA
2 3 (16.67%) 3GPP
3 2 (11.11%) DVB
4 1 (5.56%) HTTP
Database & Business Intelligence
1 10 (55.56%) MySQL
2 7 (38.89%) RDBMS
2 7 (38.89%) SimpleDB
2 7 (38.89%) MongoDB
2 7 (38.89%) NoSQL
2 7 (38.89%) Redis
2 7 (38.89%) Couchbase
2 7 (38.89%) Amazon RDS
2 7 (38.89%) Relational Database
3 3 (16.67%) Oracle Database
3 3 (16.67%) PostgreSQL
3 3 (16.67%) Oracle Database 11g
4 2 (11.11%) Oracle Database 10g
5 1 (5.56%) SQLPlus
5 1 (5.56%) Oracle Reports
5 1 (5.56%) Oracle Database 12c
Development Applications
1 9 (50.00%) Git (software)
2 2 (11.11%) ClearCase
3 1 (5.56%) Xcode
3 1 (5.56%) Subversion
3 1 (5.56%) GNU Toolchain
3 1 (5.56%) BitKeeper
3 1 (5.56%) Oracle Forms
General
1 10 (55.56%) Telecoms
2 1 (5.56%) Games
2 1 (5.56%) Retail
Job Titles
1 9 (50.00%) Software Engineer
2 7 (38.89%) Cloud Software Engineer
2 7 (38.89%) Cloud Engineer
3 5 (27.78%) DevOps Engineer
3 5 (27.78%) Developer
4 2 (11.11%) C++ Developer
4 2 (11.11%) DBA
4 2 (11.11%) Administrator
4 2 (11.11%) Oracle DBA
4 2 (11.11%) Linux Engineer
5 1 (5.56%) Linux Specialist
5 1 (5.56%) Telecoms Developer
5 1 (5.56%) iOS Developer
5 1 (5.56%) Linux Systems Engineer
5 1 (5.56%) Oracle Developer
5 1 (5.56%) Senior Oracle DBA
5 1 (5.56%) Senior DBA
5 1 (5.56%) Systems Engineer
Libraries, Frameworks & Software Standards
1 7 (38.89%) Web Services
2 3 (16.67%) Boost C++ Libraries
2 3 (16.67%) STL
3 1 (5.56%) Core Animation
3 1 (5.56%) Cocoa Touch
3 1 (5.56%) XML
3 1 (5.56%) Cocoa
3 1 (5.56%) JSON
3 1 (5.56%) Pthreads
3 1 (5.56%) RESTful
Miscellaneous
1 2 (11.11%) DTV
1 2 (11.11%) STB
2 1 (5.56%) Cryptography
2 1 (5.56%) Animation
2 1 (5.56%) iPhone
2 1 (5.56%) iPad
2 1 (5.56%) Data Structures
2 1 (5.56%) Algorithms
Operating Systems
1 17 (94.44%) Linux
2 15 (83.33%) UNIX
3 8 (44.44%) Windows
4 2 (11.11%) Debian
5 1 (5.56%) Ubuntu
5 1 (5.56%) Apple iOS
5 1 (5.56%) AIX
5 1 (5.56%) Solaris
Processes & Methodologies
1 10 (55.56%) Software Engineering
2 8 (44.44%) Continuous Integration
2 8 (44.44%) Service Management
2 8 (44.44%) TDD
2 8 (44.44%) Test Automation
3 7 (38.89%) DevOps
3 7 (38.89%) Configuration Management
3 7 (38.89%) Kanban
3 7 (38.89%) Performance Testing
3 7 (38.89%) Security Testing
3 7 (38.89%) Network Design
4 4 (22.22%) Multithreading
5 3 (16.67%) UML
6 2 (11.11%) Data Management
6 2 (11.11%) Patch Management
6 2 (11.11%) Software Architecture
6 2 (11.11%) Database Security
7 1 (5.56%) iOS Development
7 1 (5.56%) Performance Analysis
7 1 (5.56%) Memory Management
Programming Languages
1 9 (50.00%) Bash Shell
2 8 (44.44%) Python
3 5 (27.78%) Shell Script
3 5 (27.78%) C
3 5 (27.78%) C++
4 3 (16.67%) Perl
4 3 (16.67%) PL/SQL
4 3 (16.67%) SQL
5 2 (11.11%) Embedded C
5 2 (11.11%) Ruby
6 1 (5.56%) sed
6 1 (5.56%) Uniface
6 1 (5.56%) Objective-C
6 1 (5.56%) AWK
Qualifications
1 3 (16.67%) Degree
2 1 (5.56%) OCP
2 1 (5.56%) Oracle Certification
System Software
1 2 (11.11%) Oracle RAC
Systems Management
1 7 (38.89%) Puppet
1 7 (38.89%) Opscode Chef
1 7 (38.89%) HAProxy
1 7 (38.89%) Ansible
1 7 (38.89%) Salt
2 2 (11.11%) Oracle RMAN
2 2 (11.11%) Data Guard
Vendors
1 10 (55.56%) Oracle
2 7 (38.89%) hybris
3 3 (16.67%) Dialogic
3 3 (16.67%) Tieto
4 1 (5.56%) JDA
4 1 (5.56%) Red Hat
4 1 (5.56%) Apple