The table below looks at the statistics for POSIX skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited POSIX over the 3 months to 1 April 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Apr 2015
Same period 2014 Same period 2013
Portable Operating System Interface for UNIX (POSIX)
Rank 873 910 846
Rank change year-on-year
+37 -64
Permanent jobs citing POSIX 30 18 44
As % of all permanent IT jobs located in the UK 0.027% 0.016% 0.040%
As % of the Libraries, Frameworks & Software Standards category 0.072% 0.038% 0.098%
Number of salaries quoted 21 14 31
Average salary £55,000 £42,250 £50,000
Average salary % change year-on-year
+30.17% -15.50%
90% offered a salary of more than £38,564 £23,300 £37,500
10% offered a salary of more than £82,500 £53,500 £52,500
UK excluding London average salary £50,000 £35,250 £47,500
% change year-on-year
+41.84% -25.78%

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

Libraries, Frameworks & Software Standards Category
UK
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
41458 46921 44837
As % of all permanent IT jobs located in the UK 37.46% 40.46% 40.37%
Number of salaries quoted 35314 39257 39115
Average salary £44,000 £42,500 £40,000
Average salary % change year-on-year
+3.52% +6.25%
90% offered a salary of more than £30,000 £30,000 £28,500
10% offered a salary of more than £65,000 £60,000 £62,500
UK excluding London average salary £40,000 £40,000 £37,500
% change year-on-year
- +6.66%

POSIX
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT 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
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing POSIX within the UK.

POSIX Salary Trend in the UK

POSIX
Salary Histogram

This chart provides a salary histogram for IT jobs citing POSIX over the 3 months to 1 April 2015 within the UK.

POSIX Salary Histogram in the UK

POSIX
Top 18 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing POSIX within the UK over the 3 months to 1 April 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
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +44 28 £62,500 +47.92% 2
London -1 14 £82,500 +13.79% 1
South East -13 8 £52,500 +10.52%
City of London +18 5 £58,750 -41.25%
East of England - 5 £38,564 -
Cambridge - 5 £38,564 -
Cambridgeshire - 5 £38,564 -
Bracknell +7 4 £52,500 +5.00%
Berkshire -6 4 £52,500 +5.00%
Buckinghamshire - 4 - -
Milton Keynes - 4 - -
Cwmbran - 2 £47,500 -
South Wales - 2 £47,500 -
Wales - 2 £47,500 -
Torfaen - 2 £47,500 -
Gloucester -7 1 £55,000 +83.33%
Gloucestershire -17 1 £55,000 +83.33%
South West -23 1 £55,000 +100.00% 1

POSIX
Top 30 Related IT Skills

For the 6 months to 1 April 2015, IT 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 IT job ads sampled that cited POSIX.

1 37 (72.55%) C
2 36 (70.59%) Linux
3 35 (68.63%) UNIX
4 32 (62.75%) C++
5 21 (41.18%) Python
6 19 (37.25%) Software Engineering
6 19 (37.25%) Pthreads
7 17 (33.33%) STL
7 17 (33.33%) Ruby
8 16 (31.37%) Degree
9 14 (27.45%) MySQL
9 14 (27.45%) OO
9 14 (27.45%) Relational Database
10 13 (25.49%) HTML
11 12 (23.53%) Java
11 12 (23.53%) Algorithms
12 11 (21.57%) Perl
13 10 (19.61%) HTTP
13 10 (19.61%) TCP/IP
14 9 (17.65%) Management Information System
14 9 (17.65%) Debian
14 9 (17.65%) Data Analysis
14 9 (17.65%) Marketing
14 9 (17.65%) Mobile Marketing
15 8 (15.69%) JavaScript
15 8 (15.69%) Apache
15 8 (15.69%) E-Commerce
15 8 (15.69%) Advertising
15 8 (15.69%) Agile Software Development
15 8 (15.69%) Computer Science

POSIX
Top Related IT Skills by Category

For the 6 months to 1 April 2015, IT 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 IT job ads sampled that cited POSIX. Up to 20 skills are shown per category.

Application Platforms
1 8 (15.69%) Apache
2 5 (9.80%) OpenStack
3 2 (3.92%) nginx
3 2 (3.92%) Node.js
Applications
1 3 (5.88%) MS Excel
1 3 (5.88%) MS Visio
1 3 (5.88%) MS PowerPoint
Cloud Services
1 6 (11.76%) PaaS
2 2 (3.92%) Route 53
2 2 (3.92%) IaaS
2 2 (3.92%) Virtual Private Cloud
2 2 (3.92%) Amazon EC2
2 2 (3.92%) Amazon S3
2 2 (3.92%) Amazon AWS
Communications & Networking
1 10 (19.61%) HTTP
1 10 (19.61%) TCP/IP
2 7 (13.73%) Internet
3 5 (9.80%) SSH
4 4 (7.84%) SSL
5 3 (5.88%) Ethernet
6 2 (3.92%) IPsec
6 2 (3.92%) Intrusion Detection
6 2 (3.92%) Network Security
7 1 (1.96%) VLAN
7 1 (1.96%) RTP
7 1 (1.96%) Q.931
7 1 (1.96%) SNMP
7 1 (1.96%) PBX
7 1 (1.96%) VoIP
Database & Business Intelligence
1 14 (27.45%) MySQL
1 14 (27.45%) Relational Database
2 7 (13.73%) MongoDB
3 6 (11.76%) Big Data
4 5 (9.80%) MariaDB
4 5 (9.80%) Neo4j
4 5 (9.80%) Apache Cassandra
4 5 (9.80%) PostgreSQL
4 5 (9.80%) CouchDB
5 4 (7.84%) Data Mining
6 2 (3.92%) RDBMS
6 2 (3.92%) SimpleDB
6 2 (3.92%) NoSQL
6 2 (3.92%) Redis
6 2 (3.92%) Amazon RDS
6 2 (3.92%) Couchbase
Development Applications
1 4 (7.84%) GNU Toolchain
2 2 (3.92%) GCC
2 2 (3.92%) GDB
2 2 (3.92%) Automake
2 2 (3.92%) Subversion
General
1 9 (17.65%) Marketing
2 8 (15.69%) Advertising
3 7 (13.73%) Finance
4 5 (9.80%) Games
5 2 (3.92%) Electronics
5 2 (3.92%) Telecoms
5 2 (3.92%) Retail
6 1 (1.96%) Banking
Job Titles
1 19 (37.25%) Developer
2 14 (27.45%) C++ Developer
3 8 (15.69%) Senior Developer
3 8 (15.69%) Software Engineer
4 6 (11.76%) Software Developer
5 5 (9.80%) Programmer
5 5 (9.80%) Development Manager
5 5 (9.80%) Senior Software Developer
5 5 (9.80%) C++ Programmer
6 4 (7.84%) Linux Engineer
6 4 (7.84%) Linux Systems Engineer
6 4 (7.84%) Systems Engineer
6 4 (7.84%) Analyst
6 4 (7.84%) Test Analyst
7 3 (5.88%) Administrator
7 3 (5.88%) Software Development Manager
7 3 (5.88%) Team Leader
7 3 (5.88%) Development Team Leader
7 3 (5.88%) Hardware Engineer
7 3 (5.88%) Software Manager
Libraries, Frameworks & Software Standards
1 19 (37.25%) Pthreads
2 17 (33.33%) STL
3 13 (25.49%) HTML
4 7 (13.73%) HTML5
5 5 (9.80%) REST
5 5 (9.80%) Web Services
6 4 (7.84%) Boost C++ Libraries
7 2 (3.92%) PCRE
7 2 (3.92%) XML
7 2 (3.92%) XSL
7 2 (3.92%) Flash
7 2 (3.92%) XHTML
7 2 (3.92%) WSDL
7 2 (3.92%) J2EE
7 2 (3.92%) CSS
7 2 (3.92%) SOAP
7 2 (3.92%) Apache Axis
7 2 (3.92%) Apache Flex
8 1 (1.96%) Qt
8 1 (1.96%) LAMP
Miscellaneous
1 12 (23.53%) Algorithms
2 9 (17.65%) Management Information System
3 8 (15.69%) Computer Science
4 7 (13.73%) Open Source
4 7 (13.73%) Derivative
5 5 (9.80%) Statistics
5 5 (9.80%) Informatics
5 5 (9.80%) Mathematics
5 5 (9.80%) Physics
5 5 (9.80%) Artificial Intelligence
5 5 (9.80%) Analytical Skills
6 4 (7.84%) Client/Server
7 3 (5.88%) Device Driver
7 3 (5.88%) Hedge funds
8 2 (3.92%) Data Integration
8 2 (3.92%) User Experience
8 2 (3.92%) Cryptography
8 2 (3.92%) SCADA
9 1 (1.96%) Data Structures
9 1 (1.96%) Embedded Systems
Operating Systems
1 36 (70.59%) Linux
2 35 (68.63%) UNIX
3 9 (17.65%) Debian
4 6 (11.76%) Windows
5 4 (7.84%) Embedded Linux
6 1 (1.96%) uClinux
Processes & Methodologies
1 19 (37.25%) Software Engineering
2 14 (27.45%) OO
3 9 (17.65%) Data Analysis
3 9 (17.65%) Mobile Marketing
4 8 (15.69%) Agile Software Development
4 8 (15.69%) E-Commerce
5 7 (13.73%) OOD
5 7 (13.73%) Configuration Management
5 7 (13.73%) OOP
5 7 (13.73%) Electronic Trading
6 6 (11.76%) Analytics
6 6 (11.76%) Cyber Security
6 6 (11.76%) Multithreading
7 5 (9.80%) Extreme Programming
7 5 (9.80%) Bioinformatics
7 5 (9.80%) Hidden Markov Model
7 5 (9.80%) Game Theory
7 5 (9.80%) Gibbs Sampling
7 5 (9.80%) Memory Management
8 3 (5.88%) Low Latency
Programming Languages
1 37 (72.55%) C
2 32 (62.75%) C++
3 21 (41.18%) Python
4 17 (33.33%) Ruby
5 12 (23.53%) Java
6 11 (21.57%) Perl
7 8 (15.69%) JavaScript
8 5 (9.80%) PHP
8 5 (9.80%) Haskell
8 5 (9.80%) R
8 5 (9.80%) Golang
9 4 (7.84%) Bash Shell
9 4 (7.84%) Lua
10 3 (5.88%) Shell Script
11 1 (1.96%) Embedded C
11 1 (1.96%) C#
Qualifications
1 16 (31.37%) Degree
2 3 (5.88%) HND
2 3 (5.88%) Security Cleared
3 1 (1.96%) MBA
3 1 (1.96%) SC Cleared
System Software
1 5 (9.80%) Xen
1 5 (9.80%) KVM
1 5 (9.80%) Docker
1 5 (9.80%) LXC
1 5 (9.80%) Slurm Workload Manager
2 3 (5.88%) Firmware
Systems Management
1 5 (9.80%) Mesos
2 2 (3.92%) Puppet
2 2 (3.92%) Opscode Chef
2 2 (3.92%) HAProxy
Vendors
1 5 (9.80%) Pegasus
2 3 (5.88%) Facebook
2 3 (5.88%) Microsoft
2 3 (5.88%) Genesys
3 2 (3.92%) Oracle
South West
ANSON MCCADE
Salary: Up to £55,000
Posted: Yesterday
London Bridge, London, South East, United Kingdom
Steel
Salary: Competitive
Posted: 14 days ago