The table below looks at the statistics for POSIX skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited POSIX over the 3 months to 17 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
17 Jan 2017
Same period 2016 Same period 2015
Portable Operating System Interface (POSIX)
UK
Rank 843 900 935
Rank change year-on-year
+57 +35
Permanent jobs citing POSIX 15 20 18
As % of all permanent IT jobs located in the UK 0.018% 0.020% 0.017%
As % of the Libraries, Frameworks & Software Standards category 0.045% 0.053% 0.047%
Number of salaries quoted 4 11 17
Median salary £55,898 £57,500 £42,500
Median salary % change year-on-year
-2.78% +35.29%
90% offered a salary of more than £41,289 £47,500 £31,750
10% offered a salary of more than £67,500 £75,000 £60,000
UK excluding London median salary £55,898 £50,000 £42,500
% change year-on-year
+11.79% +17.64%

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
33206 37465 38419
As % of all permanent IT jobs located in the UK 39.50% 38.08% 37.33%
Number of salaries quoted 28719 32262 33107
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £42,500 £42,000 £40,000
% change year-on-year
+1.19% +5.00%

POSIX
Jobs Demand Trend

The demand trend of job ads citing POSIX as a proportion of all IT jobs with a match in 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 17 January 2017 within the UK.

POSIX Salary Histogram in the UK

POSIX
Top 11 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing POSIX within the UK over the 3 months to 17 January 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +44 15 £55,898 -2.78% 5
London +68 10 - -
South East +63 3 £67,500 +17.39%
Berkshire +45 2 £67,500 +12.50%
Reading +31 2 £67,500 +12.50%
East of England +17 2 £44,296 -9.13% 5
Cambridgeshire +5 1 - - 4
Essex - 1 £44,296 - 1
Saffron Walden - 1 £44,296 - 1
Oxford - 1 £40,000 -
Oxfordshire - 1 £40,000 -

POSIX
Top 30 Related IT Skills

For the 6 months to 17 January 2017, IT jobs citing POSIX also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for POSIX.

1 16 (100.00%) C++
1 16 (100.00%) Linux
2 15 (93.75%) Java
3 14 (87.50%) Agile Software Development
4 13 (81.25%) Python
4 13 (81.25%) HTML
4 13 (81.25%) C
4 13 (81.25%) OO
5 12 (75.00%) JBoss
5 12 (75.00%) XML
5 12 (75.00%) C#
5 12 (75.00%) JUnit
5 12 (75.00%) CSS
5 12 (75.00%) JSP
5 12 (75.00%) Windows
5 12 (75.00%) Continuous Integration
5 12 (75.00%) Open Source
5 12 (75.00%) Memory Management
6 11 (68.75%) Ruby
6 11 (68.75%) Multithreading
6 11 (68.75%) Shell Script
6 11 (68.75%) PostgreSQL
6 11 (68.75%) MySQL
6 11 (68.75%) Go
6 11 (68.75%) Relational Database
7 10 (62.50%) Oracle Database
7 10 (62.50%) Analytics
7 10 (62.50%) Jenkins
7 10 (62.50%) Enterprise Software
7 10 (62.50%) Microservices

POSIX
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 12 (75.00%) JBoss
2 10 (62.50%) Jetty
2 10 (62.50%) nginx
2 10 (62.50%) Tomcat
2 10 (62.50%) WebLogic
2 10 (62.50%) WebSphere
3 1 (6.25%) OpenStack
Communications & Networking
1 10 (62.50%) HTTP
1 10 (62.50%) HTTPS
1 10 (62.50%) SNMP
1 10 (62.50%) TCP/IP
2 2 (12.50%) Internet
3 1 (6.25%) Fibre Channel
3 1 (6.25%) iSCSI
3 1 (6.25%) Modbus
3 1 (6.25%) SAN
Database & Business Intelligence
1 11 (68.75%) MySQL
1 11 (68.75%) PostgreSQL
1 11 (68.75%) Relational Database
2 10 (62.50%) InterSystems Cache
2 10 (62.50%) Oracle Database
2 10 (62.50%) Oracle Database 11g
3 2 (12.50%) HBase
4 1 (6.25%) Apache Cassandra
4 1 (6.25%) CouchDB
4 1 (6.25%) MariaDB
4 1 (6.25%) MongoDB
4 1 (6.25%) Neo4j
Development Applications
1 12 (75.00%) JUnit
2 10 (62.50%) Ant
2 10 (62.50%) CppUnit
2 10 (62.50%) Eclipse
2 10 (62.50%) GDB
2 10 (62.50%) Hudson
2 10 (62.50%) Jenkins
2 10 (62.50%) Maven
2 10 (62.50%) Sonatype Nexus
2 10 (62.50%) Subversion
2 10 (62.50%) Valgrind
2 10 (62.50%) XMLSpy
3 2 (12.50%) TestNG
4 1 (6.25%) Git (software)
General
1 10 (62.50%) Banking
1 10 (62.50%) Finance
2 1 (6.25%) Automotive
2 1 (6.25%) Games
Job Titles
1 9 (56.25%) Developer
2 7 (43.75%) C++ Developer
3 6 (37.50%) Senior Software Engineer
3 6 (37.50%) Software Engineer
4 5 (31.25%) C++ Software Engineer
4 5 (31.25%) Senior C++ Software Engineer
5 2 (12.50%) Linux Developer
6 1 (6.25%) C Developer
6 1 (6.25%) C/C++ Developer
6 1 (6.25%) Development Engineer
6 1 (6.25%) Embedded C Developer
6 1 (6.25%) Embedded C/C++ Developer
6 1 (6.25%) Embedded C++ Developer
6 1 (6.25%) Embedded Developer
6 1 (6.25%) Junior C++ Developer
6 1 (6.25%) Junior Developer
6 1 (6.25%) Linux Engineer
6 1 (6.25%) Principal Developer
6 1 (6.25%) Principal Software Developer
6 1 (6.25%) Virtualisation Engineer
Libraries, Frameworks & Software Standards
1 13 (81.25%) HTML
2 12 (75.00%) CSS
2 12 (75.00%) JSP
2 12 (75.00%) XML
3 10 (62.50%) DOM
3 10 (62.50%) Hibernate
3 10 (62.50%) J2EE
3 10 (62.50%) Java EE
3 10 (62.50%) JAXB
3 10 (62.50%) JMS
3 10 (62.50%) JRules
3 10 (62.50%) JSF
3 10 (62.50%) SAX
3 10 (62.50%) SOAP
3 10 (62.50%) Spring
3 10 (62.50%) STL
3 10 (62.50%) Web Services
3 10 (62.50%) WSDL
3 10 (62.50%) XSD
3 10 (62.50%) XSLT
Miscellaneous
1 10 (62.50%) Enterprise Software
2 4 (25.00%) Computer Science
3 2 (12.50%) Mathematics
3 2 (12.50%) Physics
4 1 (6.25%) Algorithms
4 1 (6.25%) Artificial Intelligence
4 1 (6.25%) Data Centre
4 1 (6.25%) Device Driver
4 1 (6.25%) e-Health
4 1 (6.25%) Grid Computing
4 1 (6.25%) Informatics
4 1 (6.25%) Statistics
Operating Systems
1 16 (100.00%) Linux
2 12 (75.00%) Windows
3 1 (6.25%) Embedded Linux
Processes & Methodologies
1 14 (87.50%) Agile Software Development
2 13 (81.25%) OO
3 12 (75.00%) Continuous Integration
3 12 (75.00%) Memory Management
3 12 (75.00%) Open Source
4 11 (68.75%) Multithreading
5 10 (62.50%) Analytics
5 10 (62.50%) AOP
5 10 (62.50%) API Design
5 10 (62.50%) BPMN
5 10 (62.50%) ETL
5 10 (62.50%) Microservices
5 10 (62.50%) RUP
5 10 (62.50%) UML
5 10 (62.50%) Workflow
6 8 (50.00%) Software Engineering
7 2 (12.50%) Malware Analysis
7 2 (12.50%) Scrum
7 2 (12.50%) SDLC
7 2 (12.50%) Service Delivery
Programming Languages
1 16 (100.00%) C++
2 15 (93.75%) Java
3 13 (81.25%) C
3 13 (81.25%) Python
4 12 (75.00%) C#
5 11 (68.75%) Go
5 11 (68.75%) Ruby
5 11 (68.75%) Shell Script
6 10 (62.50%) Groovy
6 10 (62.50%) JavaScript
6 10 (62.50%) Scala
6 10 (62.50%) SQL
7 4 (25.00%) Perl
8 3 (18.75%) R
9 2 (12.50%) Haskell
10 1 (6.25%) Bash Shell
10 1 (6.25%) F#
10 1 (6.25%) OCaml
Qualifications
1 6 (37.50%) Degree
2 1 (6.25%) CISSP
2 1 (6.25%) GSEC
2 1 (6.25%) PhD
System Software
1 2 (12.50%) HDFS
2 1 (6.25%) Docker
2 1 (6.25%) KVM
2 1 (6.25%) LXC
2 1 (6.25%) QEMU
2 1 (6.25%) Slurm Workload Manager
2 1 (6.25%) Xen
Systems Management
1 1 (6.25%) Mesos
Vendors
1 10 (62.50%) Altova
1 10 (62.50%) Google
1 10 (62.50%) ILOG
1 10 (62.50%) Oracle
1 10 (62.50%) Splunk
2 1 (6.25%) Pegasus
Cambridge, Cambridgeshire
Total Recruitment Specialists Limited / TRG / Total recruitment group
Salary: £28000 - £32000 Per Annum + benfits
Posted: 14 hours ago
Cambridge, Cambridgeshire
ECM Selection
Salary: to £70k+ with top package + benefits
Posted: 3 days ago
Cambridgeshire
ReThink Recruitment
Posted: 6 days ago
Saffron Walden, Essex
The Wellcome Trust Sanger Institute
Posted: 10 days ago
Cambridge
The Wellcome Trust Sanger Institute
Salary: £38989 - £49602 per annum + excellent benefits
Posted: 11 days ago