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 31 July 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
31 Jul 2015
Same period 2014 Same period 2013
Portable Operating System Interface for UNIX (POSIX)
Rank 863 921 864
Rank change year-on-year
+58 -57
Permanent jobs citing POSIX 29 8 16
As % of all permanent IT jobs located in the UK 0.026% 0.007% 0.015%
As % of the Libraries, Frameworks & Software Standards category 0.071% 0.018% 0.037%
Number of salaries quoted 22 3 5
Average salary £65,000 £45,000 £35,000
Average salary % change year-on-year
+44.44% +28.57%
90% offered a salary of more than £23,250 £34,200 £33,500
10% offered a salary of more than £92,500 £51,000 £40,000
UK excluding London average salary £55,000 £45,000 £35,000
% change year-on-year
+22.22% +28.57%

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
41070 45471 43326
As % of all permanent IT jobs located in the UK 37.50% 38.87% 39.85%
Number of salaries quoted 35057 38635 37492
Average salary £45,000 £42,500 £40,000
Average salary % change year-on-year
+5.88% +6.25%
90% offered a salary of more than £30,000 £30,000 £28,000
10% offered a salary of more than £65,000 £62,500 £65,000
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 31 July 2015 within the UK.

POSIX Salary Histogram in the UK

POSIX
Top 14 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 31 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
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +39 28 £67,500 +50.00% 5
London - 18 £82,500 - 2
East of England +5 7 £55,000 +43.79% 2
Cambridge +14 5 £55,000 +74.60% 2
Cambridgeshire +13 5 £55,000 +74.60% 2
Hertfordshire -12 2 £42,500 -5.55%
Watford - 2 £42,500 -
South East - 2 £60,000 -
West Midlands - 1 £62,500 - 1
Reading - 1 £67,500 -
Milton Keynes - 1 £52,500 -
Berkshire - 1 £67,500 -
Buckinghamshire - 1 £52,500 -
Birmingham - 1 £62,500 -

POSIX
Top 30 Related IT Skills

For the 6 months to 31 July 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 42 (73.68%) UNIX
2 37 (64.91%) Linux
2 37 (64.91%) C++
3 34 (59.65%) C
4 23 (40.35%) Finance
4 23 (40.35%) Python
5 21 (36.84%) OO
6 18 (31.58%) Pthreads
7 17 (29.82%) Software Engineering
8 16 (28.07%) Degree
8 16 (28.07%) STL
9 14 (24.56%) Perl
9 14 (24.56%) Derivative
9 14 (24.56%) SDLC
10 13 (22.81%) Computer Science
10 13 (22.81%) Java
10 13 (22.81%) MySQL
11 12 (21.05%) Ruby
12 11 (19.30%) Continuous Integration
12 11 (19.30%) Windows
12 11 (19.30%) Relational Database
12 11 (19.30%) Algorithms
13 10 (17.54%) OOP
13 10 (17.54%) OOD
13 10 (17.54%) Electronic Trading
14 9 (15.79%) Git (software)
14 9 (15.79%) Data Analysis
14 9 (15.79%) Agile Software Development
14 9 (15.79%) JavaScript
14 9 (15.79%) Analytical Skills

POSIX
Top Related IT Skills by Category

For the 6 months to 31 July 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 5 (8.77%) OpenStack
2 2 (3.51%) Apache
2 2 (3.51%) nginx
2 2 (3.51%) Confluence
2 2 (3.51%) Node.js
3 1 (1.75%) JBoss
Cloud Services
1 3 (5.26%) Amazon AWS
2 2 (3.51%) Route 53
2 2 (3.51%) IaaS
2 2 (3.51%) Virtual Private Cloud
2 2 (3.51%) Amazon EC2
2 2 (3.51%) Amazon S3
Communications & Networking
1 6 (10.53%) HTTP
2 4 (7.02%) SSH
3 3 (5.26%) TCP/IP
3 3 (5.26%) Internet
4 2 (3.51%) Intrusion Detection
5 1 (1.75%) NGN
Database & Business Intelligence
1 13 (22.81%) MySQL
2 11 (19.30%) Relational Database
3 7 (12.28%) MongoDB
4 6 (10.53%) PostgreSQL
5 5 (8.77%) CouchDB
5 5 (8.77%) Apache Cassandra
5 5 (8.77%) Neo4j
5 5 (8.77%) MariaDB
6 2 (3.51%) Amazon RDS
6 2 (3.51%) Couchbase
6 2 (3.51%) NoSQL
6 2 (3.51%) Redis
6 2 (3.51%) SimpleDB
6 2 (3.51%) RDBMS
Development Applications
1 9 (15.79%) Git (software)
2 6 (10.53%) JIRA
3 5 (8.77%) Subversion
3 5 (8.77%) Jenkins
4 4 (7.02%) Visual Studio
4 4 (7.02%) Eclipse
5 2 (3.51%) GNU Toolchain
6 1 (1.75%) Artifactory
6 1 (1.75%) TestNG
6 1 (1.75%) Maven
6 1 (1.75%) JUnit
General
1 23 (40.35%) Finance
2 6 (10.53%) Financial Institution
3 5 (8.77%) Games
4 4 (7.02%) Marketing
4 4 (7.02%) Front Office
5 2 (3.51%) Telecoms
5 2 (3.51%) Advertising
5 2 (3.51%) Retail
Job Titles
1 33 (57.89%) Developer
2 20 (35.09%) C++ Developer
3 12 (21.05%) Senior Developer
4 7 (12.28%) Programmer
4 7 (12.28%) C++ Programmer
4 7 (12.28%) Senior C++ Developer
5 6 (10.53%) Software Engineer
6 5 (8.77%) Senior Software Developer
6 5 (8.77%) Software Developer
6 5 (8.77%) DevOps Engineer
6 5 (8.77%) Senior DevOps Engineer
7 3 (5.26%) Analyst
7 3 (5.26%) Test Analyst
8 2 (3.51%) Systems Administrator
8 2 (3.51%) Systems Engineer
8 2 (3.51%) Development Manager
8 2 (3.51%) Senior Manager
8 2 (3.51%) Graduate
8 2 (3.51%) Graduate Developer
8 2 (3.51%) Administrator
Libraries, Frameworks & Software Standards
1 18 (31.58%) Pthreads
2 16 (28.07%) STL
3 8 (14.04%) HTML
3 8 (14.04%) Boost C++ Libraries
4 6 (10.53%) Web Services
5 5 (8.77%) HTML5
5 5 (8.77%) REST
6 3 (5.26%) XML
6 3 (5.26%) J2EE
6 3 (5.26%) CSS
7 2 (3.51%) XSL
7 2 (3.51%) Flash
7 2 (3.51%) XHTML
7 2 (3.51%) WSDL
7 2 (3.51%) LAMP
7 2 (3.51%) Apache Axis
7 2 (3.51%) Apache Flex
7 2 (3.51%) SOAP
8 1 (1.75%) J2SE
8 1 (1.75%) JSP
Miscellaneous
1 14 (24.56%) Derivative
2 13 (22.81%) Computer Science
3 11 (19.30%) Algorithms
4 9 (15.79%) Analytical Skills
5 7 (12.28%) Management Information System
6 6 (10.53%) Statistics
6 6 (10.53%) Hedge funds
6 6 (10.53%) Mathematics
7 5 (8.77%) Physics
7 5 (8.77%) Informatics
7 5 (8.77%) Artificial Intelligence
8 4 (7.02%) Client/Server
8 4 (7.02%) Foreign Exchange (FX)
9 2 (3.51%) PKI
9 2 (3.51%) User Experience
9 2 (3.51%) Data Structures
9 2 (3.51%) Data Centre
10 1 (1.75%) Tandem
Operating Systems
1 42 (73.68%) UNIX
2 37 (64.91%) Linux
3 11 (19.30%) Windows
4 6 (10.53%) Debian
5 4 (7.02%) FreeBSD
5 4 (7.02%) Mac OS X
6 1 (1.75%) SUSE
6 1 (1.75%) AIX
6 1 (1.75%) HPUX
6 1 (1.75%) Solaris
6 1 (1.75%) Ubuntu
6 1 (1.75%) Mac OS
Processes & Methodologies
1 21 (36.84%) OO
2 17 (29.82%) Software Engineering
3 14 (24.56%) SDLC
4 11 (19.30%) Continuous Integration
5 10 (17.54%) Electronic Trading
5 10 (17.54%) OOD
5 10 (17.54%) OOP
6 9 (15.79%) Agile Software Development
6 9 (15.79%) Data Analysis
7 8 (14.04%) Analytics
8 7 (12.28%) Test Scripting
8 7 (12.28%) DevOps
9 6 (10.53%) TDD
9 6 (10.53%) Configuration Management
10 5 (8.77%) Bioinformatics
10 5 (8.77%) Extreme Programming
10 5 (8.77%) Open Source
10 5 (8.77%) Memory Management
10 5 (8.77%) Hidden Markov Model
10 5 (8.77%) Game Theory
Programming Languages
1 37 (64.91%) C++
2 34 (59.65%) C
3 23 (40.35%) Python
4 14 (24.56%) Perl
5 13 (22.81%) Java
6 12 (21.05%) Ruby
7 9 (15.79%) JavaScript
8 6 (10.53%) PHP
9 5 (8.77%) C#
9 5 (8.77%) Haskell
9 5 (8.77%) Bash Shell
9 5 (8.77%) R
9 5 (8.77%) Go
10 4 (7.02%) PowerShell
11 3 (5.26%) Lua
11 3 (5.26%) Shell Script
12 2 (3.51%) SQL
Qualifications
1 16 (28.07%) Degree
2 8 (14.04%) Security Cleared
3 4 (7.02%) DV Cleared
3 4 (7.02%) SC Cleared
3 4 (7.02%) OCP
3 4 (7.02%) Oracle Certification
4 1 (1.75%) BC Cleared
Quality Assurance & Compliance
1 1 (1.75%) SLA
System Software
1 5 (8.77%) KVM
1 5 (8.77%) Docker
1 5 (8.77%) LXC
1 5 (8.77%) Slurm Workload Manager
1 5 (8.77%) Xen
2 4 (7.02%) VMware Infrastructure
Systems Management
1 7 (12.28%) Puppet
2 5 (8.77%) Mesos
3 4 (7.02%) Opscode Chef
4 2 (3.51%) HAProxy
5 1 (1.75%) Ansible
Vendors
1 5 (8.77%) Pegasus
1 5 (8.77%) VMware
2 2 (3.51%) Perforce
2 2 (3.51%) Facebook
2 2 (3.51%) Oracle
3 1 (1.75%) Sun
3 1 (1.75%) Red Hat
3 1 (1.75%) Atlassian
City, London
Client Server
Salary: £85k to £100k + bonus + benefits
Posted: 2 days ago
London
CLIENT SERVER
Salary: £85k to £100k + bonus + benefits
Posted: 2 days ago
Cambridge
Computer Futures
Salary: £55000 - £65000 per annum + competitive
Posted: 13 days ago
Coventry
Computer Futures
Salary: £50000 - £55000 per annum + competitive
Posted: 20 days ago
Cambridge
Computer Futures
Salary: £55000 - £65000 per annum + 10% Bonus, Pension, Bens.
Posted: 20 days ago