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 24 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
24 Feb 2017
Same period 2016 Same period 2015
Portable Operating System Interface (POSIX)
UK
Rank 830 912 928
Rank change year-on-year
+82 +16
Permanent jobs citing POSIX 27 34 25
As % of all permanent IT jobs located in the UK 0.032% 0.033% 0.023%
As % of the Libraries, Frameworks & Software Standards category 0.081% 0.087% 0.063%
Number of salaries quoted 13 25 19
Median salary £30,000 £52,500 £52,500
Median salary % change year-on-year
-42.85% -
UK excluding London median salary £30,000 £47,500 £47,500
% change year-on-year
-36.84% -

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
33171 39031 39969
As % of all permanent IT jobs located in the UK 39.38% 38.19% 37.42%
Number of salaries quoted 28481 33605 34253
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 £42,500 £40,000
% change year-on-year
- +6.25%

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 24 February 2017 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 median salaries quoted in IT jobs citing POSIX within the UK over the 3 months to 24 February 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 +90 26 £30,000 -42.85% 4
East of England +25 10 £30,000 -33.33% 2
London +74 9 - - 2
Cambridgeshire +14 9 £30,000 -33.33% 2
Cambridge +13 7 £30,000 -33.33% 2
South East +37 4 £40,000 -20.00%
North West -11 3 - -
Manchester -20 3 - -
Buckinghamshire - 2 £38,750 -
Milton Keynes - 2 £38,750 -
Reading +40 1 £45,000 -14.28%
Berkshire +27 1 £45,000 -14.28%
Oxfordshire - 1 £40,000 -
Saffron Walden - 1 £44,296 -
Oxford - 1 £40,000 -
Glasgow - 1 £72,500 - 1
Scotland - 1 £72,500 - 1
Essex - 1 £44,296 -

POSIX
Top 30 Related IT Skills

For the 6 months to 24 February 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 28 (84.85%) C++
1 28 (84.85%) Python
2 26 (78.79%) C
3 23 (69.70%) Linux
4 22 (66.67%) Mathematics
5 19 (57.58%) Java
6 18 (54.55%) Software Engineering
6 18 (54.55%) Agile Software Development
7 17 (51.52%) Open Source
8 16 (48.48%) Memory Management
8 16 (48.48%) C#
8 16 (48.48%) HTML
8 16 (48.48%) OO
9 15 (45.45%) JBoss
9 15 (45.45%) XML
9 15 (45.45%) STL
9 15 (45.45%) Windows
9 15 (45.45%) SQL
9 15 (45.45%) Oracle
9 15 (45.45%) JUnit
9 15 (45.45%) CSS
9 15 (45.45%) JSP
9 15 (45.45%) HTTP
9 15 (45.45%) Shell Script
9 15 (45.45%) PostgreSQL
9 15 (45.45%) Relational Database
9 15 (45.45%) Continuous Integration
10 14 (42.42%) Go
10 14 (42.42%) REST
10 14 (42.42%) API Design

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 15 (45.45%) JBoss
2 13 (39.39%) Jetty
2 13 (39.39%) nginx
2 13 (39.39%) Tomcat
2 13 (39.39%) WebLogic
2 13 (39.39%) WebSphere
3 1 (3.03%) OpenStack
Communications & Networking
1 15 (45.45%) HTTP
2 14 (42.42%) TCP/IP
3 13 (39.39%) HTTPS
3 13 (39.39%) SNMP
4 7 (21.21%) Bluetooth
4 7 (21.21%) Wi-Fi
4 7 (21.21%) Wireless
5 6 (18.18%) SAN
6 3 (9.09%) Internet
6 3 (9.09%) iSCSI
7 2 (6.06%) Fibre Channel
8 1 (3.03%) Firewall
8 1 (3.03%) FTP
8 1 (3.03%) Intranet
8 1 (3.03%) Intrusion Detection
8 1 (3.03%) Modbus
8 1 (3.03%) MPLS
8 1 (3.03%) NAS
8 1 (3.03%) Network Security
8 1 (3.03%) SSH
Database & Business Intelligence
1 15 (45.45%) PostgreSQL
1 15 (45.45%) Relational Database
2 14 (42.42%) MySQL
3 13 (39.39%) InterSystems Cache
3 13 (39.39%) Oracle Database
3 13 (39.39%) Oracle Database 11g
4 2 (6.06%) HBase
5 1 (3.03%) Apache Cassandra
5 1 (3.03%) CouchDB
5 1 (3.03%) MariaDB
5 1 (3.03%) MongoDB
5 1 (3.03%) Neo4j
5 1 (3.03%) Redis
Development Applications
1 15 (45.45%) JUnit
2 13 (39.39%) Ant
2 13 (39.39%) CppUnit
2 13 (39.39%) Eclipse
2 13 (39.39%) GDB
2 13 (39.39%) Hudson
2 13 (39.39%) Jenkins
2 13 (39.39%) Maven
2 13 (39.39%) Sonatype Nexus
2 13 (39.39%) Subversion
2 13 (39.39%) Valgrind
2 13 (39.39%) XMLSpy
3 2 (6.06%) TestNG
4 1 (3.03%) Git (software)
General
1 13 (39.39%) Banking
1 13 (39.39%) Finance
2 1 (3.03%) Games
Job Titles
1 15 (45.45%) Software Engineer
2 12 (36.36%) Developer
3 9 (27.27%) C++ Developer
4 8 (24.24%) Senior Software Engineer
5 7 (21.21%) C++ Software Engineer
5 7 (21.21%) Embedded Engineer
5 7 (21.21%) Embedded Software Engineer
5 7 (21.21%) Graduate
5 7 (21.21%) Graduate Embedded Software Engineer
5 7 (21.21%) Graduate Software Engineer
5 7 (21.21%) Senior C++ Software Engineer
6 3 (9.09%) Infrastructure Specialist
6 3 (9.09%) Linux Specialist
6 3 (9.09%) Unix Specialist
7 2 (6.06%) Development Engineer
7 2 (6.06%) Linux Engineer
7 2 (6.06%) Software Developer
7 2 (6.06%) Virtualisation Engineer
8 1 (3.03%) Infrastructure Support Specialist
8 1 (3.03%) Principal Developer
Libraries, Frameworks & Software Standards
1 16 (48.48%) HTML
2 15 (45.45%) CSS
2 15 (45.45%) JSP
2 15 (45.45%) STL
2 15 (45.45%) XML
3 14 (42.42%) REST
4 13 (39.39%) Apache OpenJPA
4 13 (39.39%) Boost C++ Libraries
4 13 (39.39%) DOM
4 13 (39.39%) Drools
4 13 (39.39%) JAX-WS
4 13 (39.39%) JMS
4 13 (39.39%) JPA
4 13 (39.39%) LEMP Stack
4 13 (39.39%) Node.js
4 13 (39.39%) Pthreads
4 13 (39.39%) RESTful
4 13 (39.39%) Web Services
4 13 (39.39%) XSD
4 13 (39.39%) XSLT
Miscellaneous
1 13 (39.39%) Enterprise Software
2 12 (36.36%) Computer Science
3 7 (21.21%) Embedded Systems
4 2 (6.06%) Algorithms
4 2 (6.06%) Analytical Skills
4 2 (6.06%) Data Centre
4 2 (6.06%) Device Driver
5 1 (3.03%) Data Structures
5 1 (3.03%) e-Health
5 1 (3.03%) Grid Computing
5 1 (3.03%) Linux Command Line
Operating Systems
1 23 (69.70%) Linux
2 15 (45.45%) Windows
3 3 (9.09%) CentOS
3 3 (9.09%) HPUX
3 3 (9.09%) Red Hat Enterprise Linux
3 3 (9.09%) SUSE
3 3 (9.09%) Unix
4 1 (3.03%) Embedded Linux
Processes & Methodologies
1 22 (66.67%) Mathematics
2 18 (54.55%) Agile Software Development
2 18 (54.55%) Software Engineering
3 17 (51.52%) Open Source
4 16 (48.48%) Memory Management
4 16 (48.48%) OO
5 15 (45.45%) Continuous Integration
6 14 (42.42%) API Design
7 13 (39.39%) Analytics
7 13 (39.39%) AOP
7 13 (39.39%) BPMN
7 13 (39.39%) ETL
7 13 (39.39%) Microservices
7 13 (39.39%) Multithreading
7 13 (39.39%) RUP
7 13 (39.39%) UML
7 13 (39.39%) Workflow
8 7 (21.21%) Computer Architecture
8 7 (21.21%) Embedded Software Development
9 2 (6.06%) Software Architecture
Programming Languages
1 28 (84.85%) C++
1 28 (84.85%) Python
2 26 (78.79%) C
3 19 (57.58%) Java
4 16 (48.48%) C#
5 15 (45.45%) Shell Script
5 15 (45.45%) SQL
6 14 (42.42%) Go
6 14 (42.42%) Perl
6 14 (42.42%) Ruby
7 13 (39.39%) Groovy
7 13 (39.39%) JavaScript
7 13 (39.39%) Scala
8 6 (18.18%) Bash Shell
9 3 (9.09%) AWK
9 3 (9.09%) Haskell
9 3 (9.09%) Korn
9 3 (9.09%) R
9 3 (9.09%) sed
10 2 (6.06%) OCaml
Qualifications
1 14 (42.42%) Degree
2 1 (3.03%) CISSP
2 1 (3.03%) GSEC
2 1 (3.03%) PhD
System Software
1 7 (21.21%) Firmware
2 3 (9.09%) VMware Infrastructure
3 2 (6.06%) HDFS
3 2 (6.06%) QEMU
4 1 (3.03%) Active Directory
4 1 (3.03%) Docker
4 1 (3.03%) KVM
4 1 (3.03%) LXC
4 1 (3.03%) NFS
4 1 (3.03%) Slurm Workload Manager
4 1 (3.03%) Xen
Systems Management
1 1 (3.03%) Mesos
1 1 (3.03%) Simpana
Vendors
1 15 (45.45%) Oracle
2 13 (39.39%) Altova
2 13 (39.39%) Google
2 13 (39.39%) ILOG
2 13 (39.39%) Splunk
3 3 (9.09%) HP
3 3 (9.09%) Microsoft
3 3 (9.09%) Red Hat
3 3 (9.09%) Sun
3 3 (9.09%) VMware
4 1 (3.03%) CommVault
4 1 (3.03%) Intel Security
4 1 (3.03%) Pegasus
Cambridge, Cambridgeshire
ECM Selection
Salary: to £70k+ with top package + benefits
Posted: 2 days ago
London
Winston Fox
Salary: Bonus
Posted: Yesterday
Glasgow, Lanarkshire
Scene One Ltd
Posted: Yesterday
Central London / West End
RICHARD WHEELER ASSOCIATES
Salary: From £57,000 to £70,000 per annum Negot (plus v strong benefits)
Posted: Yesterday
Cambridge
TRG
Salary: 28000-32000 Per Annum + benfits
Posted: 25 days ago