The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for POSIX skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited POSIX over the 3 months to 27 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Portable Operating System Interface (POSIX)
UK / England
Rank 808 893 903
Rank change year-on-year +85 +10  
Permanent jobs citing POSIX 35 39 28
As % of all permanent IT jobs advertised in England 0.044% 0.040% 0.028%
As % of the Libraries, Frameworks & Software Standards category 0.11% 0.10% 0.073%
Number of salaries quoted 23 32 19
Median salary £37,500 £51,250 £62,500
Median salary % change year-on-year -26.82% -18.00%  
90% offered a salary of more than £30,000 £40,000 £38,564
10% offered a salary of more than £62,500 £79,500 £84,000
UK excluding London median salary £30,000 £47,500 £50,000
% change year-on-year -36.84% -5.00%  

POSIX is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
England
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 31967 37414 38219
As % of all permanent IT job vacancies advertised in England 40.23% 38.59% 37.81%
Number of salaries quoted 27513 32546 32751
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £31,500 £31,000 £30,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

POSIX
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing POSIX as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for POSIX in England

POSIX
Salary Trend in England

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

Salary trend for POSIX in England

POSIX
Salary Histogram in England

The salary distribution of IT jobs citing POSIX in England over the 3 months to 27 March 2017.

Salary histogram for POSIX in England

POSIX
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing POSIX within the England region over the 3 months to 27 March 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
East of England +36 15 £30,000 -29.41% 4
London +73 11 £62,500 -16.66% 1
South East +62 5 £41,500 -20.95% 1
North West -12 4 £40,000 -
POSIX
UK

POSIX
Top 30 Related IT Skills in England

For the 6 months to 27 March 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 across the England region with a requirement for POSIX.

1 37 (84.09%) C++
2 33 (75.00%) C
2 33 (75.00%) Python
3 28 (63.64%) Linux
4 27 (61.36%) Mathematics
5 25 (56.82%) Software Engineering
6 22 (50.00%) Degree
7 21 (47.73%) Agile Software Development
8 20 (45.45%) OO
8 20 (45.45%) Java
8 20 (45.45%) Computer Science
9 19 (43.18%) Perl
9 19 (43.18%) TCP/IP
9 19 (43.18%) Shell Script
10 17 (38.64%) HTML
10 17 (38.64%) Windows
10 17 (38.64%) Jenkins
11 16 (36.36%) Continuous Integration
11 16 (36.36%) Open Source
11 16 (36.36%) Memory Management
11 16 (36.36%) STL
11 16 (36.36%) CSS
11 16 (36.36%) C#
11 16 (36.36%) Finance
12 15 (34.09%) SQL
12 15 (34.09%) JSP
12 15 (34.09%) JUnit
12 15 (34.09%) Oracle
12 15 (34.09%) XML
12 15 (34.09%) JBoss

POSIX
Top Related IT Skills in England 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 (34.09%) JBoss
2 14 (31.82%) Tomcat
3 13 (29.55%) Jetty
3 13 (29.55%) nginx
3 13 (29.55%) WebLogic
3 13 (29.55%) WebSphere
4 1 (2.27%) OpenStack
Communications & Networking
1 19 (43.18%) TCP/IP
2 14 (31.82%) HTTP
3 13 (29.55%) HTTPS
3 13 (29.55%) SNMP
4 11 (25.00%) Bluetooth
4 11 (25.00%) Wi-Fi
4 11 (25.00%) Wireless
5 8 (18.18%) SAN
6 5 (11.36%) Internet
6 5 (11.36%) iSCSI
7 3 (6.82%) DNS
7 3 (6.82%) Firewall
7 3 (6.82%) FTP
7 3 (6.82%) Intranet
7 3 (6.82%) Intrusion Detection
7 3 (6.82%) MPLS
7 3 (6.82%) NAS
7 3 (6.82%) Network Security
7 3 (6.82%) Software-Defined Networking
7 3 (6.82%) SSH
Database & Business Intelligence
1 14 (31.82%) MySQL
1 14 (31.82%) PostgreSQL
1 14 (31.82%) Relational Database
2 13 (29.55%) InterSystems Cache
2 13 (29.55%) Oracle Database
2 13 (29.55%) Oracle Database 11g
3 2 (4.55%) HBase
4 1 (2.27%) Apache Cassandra
4 1 (2.27%) CouchDB
4 1 (2.27%) Data Mining
4 1 (2.27%) MariaDB
4 1 (2.27%) MongoDB
4 1 (2.27%) Neo4j
Development Applications
1 17 (38.64%) Jenkins
2 15 (34.09%) JUnit
3 14 (31.82%) GDB
4 13 (29.55%) Ant
4 13 (29.55%) CppUnit
4 13 (29.55%) Eclipse
4 13 (29.55%) Hudson
4 13 (29.55%) Maven
4 13 (29.55%) Sonatype Nexus
4 13 (29.55%) Subversion
4 13 (29.55%) Valgrind
4 13 (29.55%) XMLSpy
5 3 (6.82%) JIRA
6 2 (4.55%) Git (software)
6 2 (4.55%) TestNG
7 1 (2.27%) Atlassian Bamboo
7 1 (2.27%) GCC
General
1 16 (36.36%) Finance
2 13 (29.55%) Banking
3 3 (6.82%) Telecoms
4 1 (2.27%) Games
Job Titles
1 19 (43.18%) Software Engineer
2 15 (34.09%) Developer
3 12 (27.27%) C++ Developer
4 11 (25.00%) Embedded Engineer
4 11 (25.00%) Embedded Software Engineer
4 11 (25.00%) Graduate
4 11 (25.00%) Graduate Embedded Software Engineer
4 11 (25.00%) Graduate Software Engineer
5 8 (18.18%) Senior Software Engineer
6 7 (15.91%) C++ Software Engineer
6 7 (15.91%) Senior C++ Software Engineer
7 4 (9.09%) Linux Developer
8 3 (6.82%) Administrator
8 3 (6.82%) Infrastructure Specialist
8 3 (6.82%) Linux Engineer
8 3 (6.82%) Linux Specialist
8 3 (6.82%) Senior C++ Developer
8 3 (6.82%) Senior Developer
8 3 (6.82%) Systems Administrator
8 3 (6.82%) Unix Specialist
Libraries, Frameworks & Software Standards
1 17 (38.64%) HTML
2 16 (36.36%) CSS
2 16 (36.36%) STL
3 15 (34.09%) JSP
3 15 (34.09%) XML
4 14 (31.82%) Boost C++ Libraries
4 14 (31.82%) Node.js
4 14 (31.82%) Web Services
5 13 (29.55%) DOM
5 13 (29.55%) Hibernate
5 13 (29.55%) J2EE
5 13 (29.55%) JAXB
5 13 (29.55%) JMS
5 13 (29.55%) LEMP Stack
5 13 (29.55%) REST
5 13 (29.55%) SAX
5 13 (29.55%) SOAP
5 13 (29.55%) WSDL
5 13 (29.55%) XSD
5 13 (29.55%) XSLT
Miscellaneous
1 20 (45.45%) Computer Science
2 13 (29.55%) Enterprise Software
3 11 (25.00%) Embedded Systems
4 3 (6.82%) Linux Command Line
5 2 (4.55%) Algorithms
5 2 (4.55%) Analytical Skills
5 2 (4.55%) Data Centre
5 2 (4.55%) Device Driver
6 1 (2.27%) Data Structures
6 1 (2.27%) e-Health
6 1 (2.27%) Equities
6 1 (2.27%) Fixed Income
6 1 (2.27%) Foreign Exchange (FX)
6 1 (2.27%) Grid Computing
6 1 (2.27%) Management Information System
Operating Systems
1 28 (63.64%) Linux
2 17 (38.64%) Windows
3 5 (11.36%) Unix
4 3 (6.82%) CentOS
4 3 (6.82%) HPUX
4 3 (6.82%) Red Hat Enterprise Linux
4 3 (6.82%) SUSE
5 1 (2.27%) Debian
5 1 (2.27%) Embedded Linux
Processes & Methodologies
1 27 (61.36%) Mathematics
2 25 (56.82%) Software Engineering
3 21 (47.73%) Agile Software Development
4 20 (45.45%) OO
5 16 (36.36%) Continuous Integration
5 16 (36.36%) Memory Management
5 16 (36.36%) Open Source
6 14 (31.82%) Multithreading
7 13 (29.55%) Analytics
7 13 (29.55%) AOP
7 13 (29.55%) API Design
7 13 (29.55%) BPMN
7 13 (29.55%) ETL
7 13 (29.55%) Microservices
7 13 (29.55%) RUP
7 13 (29.55%) UML
7 13 (29.55%) Workflow
8 11 (25.00%) Computer Architecture
8 11 (25.00%) Embedded Software Development
9 5 (11.36%) OOD
Programming Languages
1 37 (84.09%) C++
2 33 (75.00%) C
2 33 (75.00%) Python
3 20 (45.45%) Java
4 19 (43.18%) Perl
4 19 (43.18%) Shell Script
5 16 (36.36%) C#
6 15 (34.09%) SQL
7 14 (31.82%) Go
7 14 (31.82%) JavaScript
7 14 (31.82%) Ruby
8 13 (29.55%) Groovy
8 13 (29.55%) Scala
9 9 (20.45%) Bash Shell
10 3 (6.82%) AWK
10 3 (6.82%) Haskell
10 3 (6.82%) Korn
10 3 (6.82%) R
10 3 (6.82%) sed
11 2 (4.55%) OCaml
Qualifications
1 22 (50.00%) Degree
2 1 (2.27%) CISSP
2 1 (2.27%) GSEC
2 1 (2.27%) PhD
System Software
1 11 (25.00%) Firmware
2 4 (9.09%) VMware Infrastructure
3 3 (6.82%) NFS
4 2 (4.55%) Docker
4 2 (4.55%) HDFS
4 2 (4.55%) QEMU
5 1 (2.27%) Active Directory
5 1 (2.27%) KVM
5 1 (2.27%) LXC
5 1 (2.27%) Slurm Workload Manager
5 1 (2.27%) Xen
Systems Management
1 1 (2.27%) Mesos
1 1 (2.27%) Puppet
1 1 (2.27%) Simpana
Vendors
1 15 (34.09%) Oracle
2 13 (29.55%) Altova
2 13 (29.55%) Google
2 13 (29.55%) ILOG
2 13 (29.55%) Splunk
3 4 (9.09%) VMware
4 3 (6.82%) HP
4 3 (6.82%) Microsoft
4 3 (6.82%) Red Hat
4 3 (6.82%) Sun
5 1 (2.27%) CommVault
5 1 (2.27%) Intel Security
5 1 (2.27%) Pegasus
5 1 (2.27%) Perforce
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Salary: 45,000 to 55,000 + Bonus
Posted: 2 hours ago
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Salary: Competitive + Benefits
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Salary: Competitive + Benefits
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Salary: From £45,000 to £65,000 per annum
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Salary: 28000-32000 Per Annum + benfits
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