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 28 May 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
28 May 2015
Same period 2014 Same period 2013
Portable Operating System Interface for UNIX (POSIX)
Rank 855 905 825
Rank change year-on-year
+50 -80
Permanent jobs citing POSIX 27 20 41
As % of all permanent IT jobs located in England 0.027% 0.018% 0.040%
As % of the Libraries, Frameworks & Software Standards category 0.071% 0.044% 0.099%
Number of salaries quoted 22 15 17
Average salary £72,500 £35,000 £40,000
Average salary % change year-on-year
+107.14% -12.50%
90% offered a salary of more than £25,500 £21,500 £35,000
10% offered a salary of more than £82,500 £54,000 £50,000
UK excluding London average salary £55,000 £33,250 £40,000
% change year-on-year
+65.41% -16.87%
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
38288 45629 41515
As % of all permanent IT jobs located in England 38.01% 40.27% 40.69%
Number of salaries quoted 33038 39233 36440
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 £60,000 £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 28 May 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 28 May 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 +59 17 £82,500 -17.50% 2
South East +10 4 £52,500 +16.66%
East of England +20 3 £42,500 +34.92%
South West -7 2 £55,000 +100.00%
West Midlands - 1 £62,500 -
POSIX
UK

POSIX
Top 30 Related IT Skills in England

For the 6 months to 28 May 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 39 (78.00%) UNIX
2 34 (68.00%) C++
3 33 (66.00%) C
4 31 (62.00%) Linux
5 22 (44.00%) Finance
6 19 (38.00%) OO
7 18 (36.00%) Python
7 18 (36.00%) STL
7 18 (36.00%) Pthreads
8 15 (30.00%) Ruby
8 15 (30.00%) Degree
9 13 (26.00%) Derivative
10 12 (24.00%) Computer Science
10 12 (24.00%) Software Engineering
10 12 (24.00%) Perl
10 12 (24.00%) MySQL
10 12 (24.00%) Relational Database
10 12 (24.00%) SDLC
11 11 (22.00%) OOP
11 11 (22.00%) Electronic Trading
12 9 (18.00%) Data Analysis
12 9 (18.00%) Debian
12 9 (18.00%) Algorithms
13 8 (16.00%) Management Information System
13 8 (16.00%) OOD
13 8 (16.00%) HTML
14 7 (14.00%) Java
14 7 (14.00%) MongoDB
14 7 (14.00%) Analytical Skills
15 6 (12.00%) Analytics

POSIX
Top Related IT Skills in England by Category

For the 6 months to 28 May 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 (10.00%) OpenStack
2 2 (4.00%) Node.js
2 2 (4.00%) nginx
2 2 (4.00%) Apache
Cloud Services
1 2 (4.00%) Virtual Private Cloud
1 2 (4.00%) IaaS
1 2 (4.00%) Route 53
1 2 (4.00%) Amazon EC2
1 2 (4.00%) Amazon S3
1 2 (4.00%) Amazon AWS
Communications & Networking
1 6 (12.00%) HTTP
2 5 (10.00%) SSH
3 3 (6.00%) TCP/IP
4 2 (4.00%) Intrusion Detection
4 2 (4.00%) Internet
5 1 (2.00%) IPsec
5 1 (2.00%) Network Security
Database & Business Intelligence
1 12 (24.00%) MySQL
1 12 (24.00%) Relational Database
2 7 (14.00%) MongoDB
3 5 (10.00%) PostgreSQL
3 5 (10.00%) CouchDB
3 5 (10.00%) Apache Cassandra
3 5 (10.00%) Neo4j
3 5 (10.00%) MariaDB
4 2 (4.00%) Amazon RDS
4 2 (4.00%) Couchbase
4 2 (4.00%) SimpleDB
4 2 (4.00%) NoSQL
4 2 (4.00%) Redis
4 2 (4.00%) RDBMS
Development Applications
1 4 (8.00%) GNU Toolchain
2 1 (2.00%) Git (software)
2 1 (2.00%) Jenkins
General
1 22 (44.00%) Finance
2 5 (10.00%) Games
3 4 (8.00%) Marketing
3 4 (8.00%) Financial Institution
4 2 (4.00%) Retail
4 2 (4.00%) Front Office
4 2 (4.00%) Advertising
4 2 (4.00%) Telecoms
5 1 (2.00%) Electronics
Job Titles
1 31 (62.00%) Developer
2 19 (38.00%) C++ Developer
3 11 (22.00%) Senior Developer
4 6 (12.00%) Senior C++ Developer
4 6 (12.00%) Programmer
4 6 (12.00%) C++ Programmer
5 5 (10.00%) Senior Software Developer
5 5 (10.00%) Software Developer
6 4 (8.00%) Linux Systems Engineer
6 4 (8.00%) Linux Engineer
6 4 (8.00%) Systems Engineer
7 3 (6.00%) Administrator
7 3 (6.00%) Analyst
7 3 (6.00%) Test Analyst
8 2 (4.00%) Senior Development Manager
8 2 (4.00%) Graduate Developer
8 2 (4.00%) Real Time Engineer
8 2 (4.00%) Graduate
8 2 (4.00%) Systems Administrator
8 2 (4.00%) Development Manager
Libraries, Frameworks & Software Standards
1 18 (36.00%) STL
1 18 (36.00%) Pthreads
2 8 (16.00%) HTML
3 6 (12.00%) HTML5
3 6 (12.00%) Boost C++ Libraries
3 6 (12.00%) Web Services
4 5 (10.00%) REST
5 2 (4.00%) Apache Axis
5 2 (4.00%) Apache Flex
5 2 (4.00%) WSDL
5 2 (4.00%) XHTML
5 2 (4.00%) Flash
5 2 (4.00%) J2EE
5 2 (4.00%) XML
5 2 (4.00%) XSL
5 2 (4.00%) CSS
5 2 (4.00%) SOAP
5 2 (4.00%) LAMP
Miscellaneous
1 13 (26.00%) Derivative
2 12 (24.00%) Computer Science
3 9 (18.00%) Algorithms
4 8 (16.00%) Management Information System
5 7 (14.00%) Analytical Skills
6 5 (10.00%) Artificial Intelligence
6 5 (10.00%) Statistics
6 5 (10.00%) Informatics
6 5 (10.00%) Mathematics
6 5 (10.00%) Physics
7 4 (8.00%) Hedge funds
7 4 (8.00%) Client/Server
8 2 (4.00%) Data Structures
8 2 (4.00%) User Experience
8 2 (4.00%) Data Centre
8 2 (4.00%) Foreign Exchange (FX)
9 1 (2.00%) Tandem
9 1 (2.00%) Cryptography
9 1 (2.00%) PKI
9 1 (2.00%) SCADA
Operating Systems
1 39 (78.00%) UNIX
2 31 (62.00%) Linux
3 9 (18.00%) Debian
4 4 (8.00%) Windows
Processes & Methodologies
1 19 (38.00%) OO
2 12 (24.00%) Software Engineering
2 12 (24.00%) SDLC
3 11 (22.00%) OOP
3 11 (22.00%) Electronic Trading
4 9 (18.00%) Data Analysis
5 8 (16.00%) OOD
6 6 (12.00%) Analytics
6 6 (12.00%) Open Source
7 5 (10.00%) Extreme Programming
7 5 (10.00%) Agile Software Development
7 5 (10.00%) Bioinformatics
7 5 (10.00%) Multithreading
7 5 (10.00%) Memory Management
7 5 (10.00%) Hidden Markov Model
7 5 (10.00%) Game Theory
7 5 (10.00%) Gibbs Sampling
8 4 (8.00%) Patch Management
8 4 (8.00%) Mobile Marketing
8 4 (8.00%) Cyber Security
Programming Languages
1 34 (68.00%) C++
2 33 (66.00%) C
3 18 (36.00%) Python
4 15 (30.00%) Ruby
5 12 (24.00%) Perl
6 7 (14.00%) Java
7 6 (12.00%) PHP
8 5 (10.00%) JavaScript
8 5 (10.00%) Haskell
8 5 (10.00%) Bash Shell
8 5 (10.00%) R
8 5 (10.00%) Go
9 3 (6.00%) Lua
10 1 (2.00%) Shell Script
Qualifications
1 15 (30.00%) Degree
2 4 (8.00%) Security Cleared
3 3 (6.00%) SC Cleared
4 1 (2.00%) HND
System Software
1 5 (10.00%) Xen
1 5 (10.00%) LXC
1 5 (10.00%) KVM
1 5 (10.00%) Docker
1 5 (10.00%) Slurm Workload Manager
2 1 (2.00%) Firmware
2 1 (2.00%) VMware Infrastructure
Systems Management
1 5 (10.00%) Mesos
2 3 (6.00%) Puppet
3 2 (4.00%) Opscode Chef
3 2 (4.00%) HAProxy
Vendors
1 5 (10.00%) Pegasus
2 2 (4.00%) Facebook
2 2 (4.00%) Oracle
3 1 (2.00%) Perforce
3 1 (2.00%) VMware
3 1 (2.00%) Genesys
City, London
Client Server
Salary: £75k to £90k + bonus + benefits
Posted: 2 days ago
London
CLIENT SERVER
Salary: £75k to £90k + bonus + benefits
Posted: 9 days ago