The table below looks at the statistics for POSIX skills in IT jobs advertised for the England region. 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 850 889 840
Rank change year-on-year
+39 -49
Permanent jobs citing POSIX 28 8 16
As % of all permanent IT jobs located in England 0.027% 0.007% 0.016%
As % of the Libraries, Frameworks & Software Standards category 0.073% 0.019% 0.039%
Number of salaries quoted 21 3 5
Average salary £67,500 £45,000 £35,000
Average salary % change year-on-year
+50.00% +28.57%
90% offered a salary of more than £22,500 £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%
POSIX
UK

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

Libraries, Frameworks & Software Standards Category
England
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
38607 42805 40861
As % of all permanent IT jobs located in England 37.76% 39.14% 40.15%
Number of salaries quoted 33262 36689 35616
Average salary £45,000 £43,000 £40,500
Average salary % change year-on-year
+4.65% +6.17%
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 in England

This chart provides a 3-month moving total of permanent IT jobs citing POSIX across the England region as a proportion of the total demand within the Libraries, Frameworks & Software Standards category.

POSIX Jobs Demand Trend in England

POSIX
Salary Trend in England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing POSIX across the England region.

POSIX Salary Trend in England

POSIX
Salary Histogram in England

This chart provides a salary histogram for IT jobs citing POSIX across the England region over the 3 months to 31 July 2015.

POSIX Salary Histogram in England

POSIX
Job Locations in England

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing POSIX within the England region 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
London - 18 £82,500 - 2
East of England +5 7 £55,000 +43.79% 2
South East - 2 £60,000 -
West Midlands - 1 £62,500 - 1
POSIX
UK

POSIX
Top 30 Related IT Skills in England

For the 6 months to 31 July 2015, IT jobs across the England region 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 (75.00%) UNIX
2 36 (64.29%) Linux
2 36 (64.29%) C++
3 34 (60.71%) C
4 23 (41.07%) Finance
5 22 (39.29%) Python
6 21 (37.50%) OO
7 18 (32.14%) Pthreads
8 17 (30.36%) Software Engineering
9 16 (28.57%) STL
10 15 (26.79%) Degree
11 14 (25.00%) Derivative
11 14 (25.00%) Perl
11 14 (25.00%) SDLC
12 13 (23.21%) MySQL
13 12 (21.43%) Java
13 12 (21.43%) Ruby
13 12 (21.43%) Computer Science
14 11 (19.64%) Continuous Integration
14 11 (19.64%) Windows
14 11 (19.64%) Relational Database
14 11 (19.64%) Algorithms
15 10 (17.86%) OOP
15 10 (17.86%) OOD
15 10 (17.86%) Electronic Trading
16 9 (16.07%) Data Analysis
16 9 (16.07%) Agile Software Development
16 9 (16.07%) Analytical Skills
17 8 (14.29%) Analytics
17 8 (14.29%) Boost C++ Libraries

POSIX
Top Related IT Skills in England by Category

For the 6 months to 31 July 2015, IT jobs across the England region 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 (8.93%) OpenStack
2 2 (3.57%) Apache
2 2 (3.57%) nginx
2 2 (3.57%) Node.js
3 1 (1.79%) JBoss
3 1 (1.79%) Confluence
Cloud Services
1 3 (5.36%) Amazon AWS
2 2 (3.57%) Route 53
2 2 (3.57%) IaaS
2 2 (3.57%) Virtual Private Cloud
2 2 (3.57%) Amazon EC2
2 2 (3.57%) Amazon S3
Communications & Networking
1 6 (10.71%) HTTP
2 4 (7.14%) SSH
3 3 (5.36%) TCP/IP
3 3 (5.36%) Internet
4 2 (3.57%) Intrusion Detection
5 1 (1.79%) NGN
Database & Business Intelligence
1 13 (23.21%) MySQL
2 11 (19.64%) Relational Database
3 7 (12.50%) MongoDB
4 6 (10.71%) PostgreSQL
5 5 (8.93%) CouchDB
5 5 (8.93%) Apache Cassandra
5 5 (8.93%) Neo4j
5 5 (8.93%) MariaDB
6 2 (3.57%) Amazon RDS
6 2 (3.57%) Couchbase
6 2 (3.57%) NoSQL
6 2 (3.57%) Redis
6 2 (3.57%) SimpleDB
6 2 (3.57%) RDBMS
Development Applications
1 8 (14.29%) Git (software)
2 5 (8.93%) JIRA
2 5 (8.93%) Jenkins
3 4 (7.14%) Visual Studio
3 4 (7.14%) Eclipse
3 4 (7.14%) Subversion
4 2 (3.57%) GNU Toolchain
5 1 (1.79%) Artifactory
5 1 (1.79%) TestNG
5 1 (1.79%) Maven
5 1 (1.79%) JUnit
General
1 23 (41.07%) Finance
2 6 (10.71%) Financial Institution
3 5 (8.93%) Games
4 4 (7.14%) Marketing
4 4 (7.14%) Front Office
5 2 (3.57%) Telecoms
5 2 (3.57%) Advertising
5 2 (3.57%) Retail
Job Titles
1 32 (57.14%) Developer
2 20 (35.71%) C++ Developer
3 12 (21.43%) Senior Developer
4 7 (12.50%) Programmer
4 7 (12.50%) C++ Programmer
4 7 (12.50%) Senior C++ Developer
5 6 (10.71%) Software Engineer
6 5 (8.93%) Senior Software Developer
6 5 (8.93%) Software Developer
6 5 (8.93%) DevOps Engineer
6 5 (8.93%) Senior DevOps Engineer
7 3 (5.36%) Analyst
7 3 (5.36%) Test Analyst
8 2 (3.57%) Systems Administrator
8 2 (3.57%) Systems Engineer
8 2 (3.57%) Development Manager
8 2 (3.57%) Senior Manager
8 2 (3.57%) Graduate
8 2 (3.57%) Graduate Developer
8 2 (3.57%) Administrator
Libraries, Frameworks & Software Standards
1 18 (32.14%) Pthreads
2 16 (28.57%) STL
3 8 (14.29%) HTML
3 8 (14.29%) Boost C++ Libraries
4 6 (10.71%) Web Services
5 5 (8.93%) HTML5
5 5 (8.93%) REST
6 3 (5.36%) XML
6 3 (5.36%) J2EE
6 3 (5.36%) CSS
7 2 (3.57%) XSL
7 2 (3.57%) Flash
7 2 (3.57%) XHTML
7 2 (3.57%) WSDL
7 2 (3.57%) LAMP
7 2 (3.57%) Apache Axis
7 2 (3.57%) Apache Flex
7 2 (3.57%) SOAP
8 1 (1.79%) J2SE
8 1 (1.79%) JSP
Miscellaneous
1 14 (25.00%) Derivative
2 12 (21.43%) Computer Science
3 11 (19.64%) Algorithms
4 9 (16.07%) Analytical Skills
5 7 (12.50%) Management Information System
6 6 (10.71%) Hedge funds
7 5 (8.93%) Artificial Intelligence
7 5 (8.93%) Statistics
7 5 (8.93%) Informatics
7 5 (8.93%) Mathematics
7 5 (8.93%) Physics
8 4 (7.14%) Client/Server
8 4 (7.14%) Foreign Exchange (FX)
9 2 (3.57%) PKI
9 2 (3.57%) User Experience
9 2 (3.57%) Data Structures
9 2 (3.57%) Data Centre
10 1 (1.79%) Tandem
Operating Systems
1 42 (75.00%) UNIX
2 36 (64.29%) Linux
3 11 (19.64%) Windows
4 6 (10.71%) Debian
5 4 (7.14%) FreeBSD
5 4 (7.14%) Mac OS X
6 1 (1.79%) SUSE
6 1 (1.79%) AIX
6 1 (1.79%) HPUX
6 1 (1.79%) Solaris
6 1 (1.79%) Ubuntu
Processes & Methodologies
1 21 (37.50%) OO
2 17 (30.36%) Software Engineering
3 14 (25.00%) SDLC
4 11 (19.64%) Continuous Integration
5 10 (17.86%) Electronic Trading
5 10 (17.86%) OOD
5 10 (17.86%) OOP
6 9 (16.07%) Agile Software Development
6 9 (16.07%) Data Analysis
7 8 (14.29%) Analytics
8 7 (12.50%) Test Scripting
8 7 (12.50%) DevOps
9 6 (10.71%) TDD
9 6 (10.71%) Configuration Management
10 5 (8.93%) Bioinformatics
10 5 (8.93%) Extreme Programming
10 5 (8.93%) Open Source
10 5 (8.93%) Memory Management
10 5 (8.93%) Hidden Markov Model
10 5 (8.93%) Game Theory
Programming Languages
1 36 (64.29%) C++
2 34 (60.71%) C
3 22 (39.29%) Python
4 14 (25.00%) Perl
5 12 (21.43%) Java
5 12 (21.43%) Ruby
6 8 (14.29%) JavaScript
7 6 (10.71%) PHP
8 5 (8.93%) Haskell
8 5 (8.93%) Bash Shell
8 5 (8.93%) R
8 5 (8.93%) Go
9 4 (7.14%) PowerShell
9 4 (7.14%) C#
10 3 (5.36%) Shell Script
10 3 (5.36%) Lua
11 2 (3.57%) SQL
Qualifications
1 15 (26.79%) Degree
2 8 (14.29%) Security Cleared
3 4 (7.14%) DV Cleared
3 4 (7.14%) SC Cleared
3 4 (7.14%) OCP
3 4 (7.14%) Oracle Certification
4 1 (1.79%) BC Cleared
Quality Assurance & Compliance
1 1 (1.79%) SLA
System Software
1 5 (8.93%) KVM
1 5 (8.93%) Docker
1 5 (8.93%) LXC
1 5 (8.93%) Slurm Workload Manager
1 5 (8.93%) Xen
2 4 (7.14%) VMware Infrastructure
Systems Management
1 7 (12.50%) Puppet
2 5 (8.93%) Mesos
3 4 (7.14%) Opscode Chef
4 2 (3.57%) HAProxy
5 1 (1.79%) Ansible
Vendors
1 5 (8.93%) Pegasus
1 5 (8.93%) VMware
2 2 (3.57%) Facebook
2 2 (3.57%) Perforce
2 2 (3.57%) Oracle
3 1 (1.79%) Sun
3 1 (1.79%) Red Hat
City, London
Client Server
Salary: £85k to £100k + bonus + benefits
Posted: Yesterday
London
CLIENT SERVER
Salary: £85k to £100k + bonus + benefits
Posted: Yesterday
Cambridge
Computer Futures
Salary: £55000 - £65000 per annum + competitive
Posted: 12 days ago
Coventry
Computer Futures
Salary: £50000 - £55000 per annum + competitive
Posted: 19 days ago
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Salary: £55000 - £65000 per annum + 10% Bonus, Pension, Bens.
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