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 30 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
30 May 2016
Same period 2015 Same period 2014
Portable Operating System Interface (POSIX)
Rank 886 940 983
Rank change year-on-year
+54 +43
Permanent jobs citing POSIX 35 27 20
As % of all permanent IT jobs located in the UK 0.036% 0.025% 0.016%
As % of the Libraries, Frameworks & Software Standards category 0.093% 0.066% 0.041%
Number of salaries quoted 29 22 15
Median salary £47,500 £72,500 £35,000
Median salary % change year-on-year
-34.48% +107.14%
90% offered a salary of more than £37,500 £25,500 £21,500
10% offered a salary of more than £60,800 £82,500 £54,000
UK excluding London median salary £47,500 £55,000 £33,250
% change year-on-year
-13.63% +65.41%

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
37761 40947 48643
As % of all permanent IT jobs located in the UK 38.46% 37.88% 40.10%
Number of salaries quoted 32710 34988 41575
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £31,000 £30,000 £30,000
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London median salary £41,500 £40,000 £40,000
% change year-on-year
+3.75% -

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 30 May 2016 within the UK.

POSIX Salary Histogram in the UK

POSIX
Top 14 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 30 May 2016. 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
(Click see detailed
statistics and trends)
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 +56 35 £47,500 -34.48% 6
East of England +45 14 £47,500 +11.76% 6
Cambridge +18 14 £47,500 - 6
Cambridgeshire +17 14 £47,500 - 6
London +26 11 £80,000 -3.03%
South East +37 7 £52,500 -
Berkshire +21 4 £52,500 -
Reading - 4 £52,500 -
Buckinghamshire +30 3 £37,500 -
Milton Keynes +27 3 £37,500 -
North West - 3 £40,000 -
Cheshire - 2 £37,500 -
Wilmslow - 2 £37,500 -
Manchester - 1 £55,000 -

POSIX
Top 30 Related IT Skills

For the 6 months to 30 May 2016, 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 52 (75.36%) Linux
2 42 (60.87%) C++
3 34 (49.28%) Unix
3 34 (49.28%) Windows
4 33 (47.83%) Degree
5 26 (37.68%) Computer Science
6 24 (34.78%) Bash Shell
7 22 (31.88%) Multithreading
8 20 (28.99%) C
8 20 (28.99%) Shell Script
9 19 (27.54%) Java
10 18 (26.09%) SDLC
11 17 (24.64%) SQL
11 17 (24.64%) FTP
12 16 (23.19%) Oracle
13 15 (21.74%) HTML
13 15 (21.74%) OO
13 15 (21.74%) Active Directory
14 14 (20.29%) CSS
14 14 (20.29%) AWK
14 14 (20.29%) Agile Software Development
14 14 (20.29%) Software Engineering
14 14 (20.29%) Disaster Recovery
14 14 (20.29%) Concurrent Programming
14 14 (20.29%) Korn
15 13 (18.84%) Continuous Integration
15 13 (18.84%) Automotive
15 13 (18.84%) Oracle ERP
15 13 (18.84%) Retail
15 13 (18.84%) ITIL

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 9 (13.04%) JBoss
2 7 (10.14%) SharePoint
3 3 (4.35%) Confluence
4 1 (1.45%) Apache ServiceMix
4 1 (1.45%) Tomcat
Applications
1 5 (7.25%) MS Excel
2 4 (5.80%) Adobe Creative Suite
2 4 (5.80%) MS Office
Business Applications
1 13 (18.84%) Oracle ERP
Cloud Services
1 7 (10.14%) Office 365
2 3 (4.35%) iTunes
2 3 (4.35%) SaaS
Communications & Networking
1 17 (24.64%) FTP
2 13 (18.84%) Internet
3 8 (11.59%) Multicast
4 5 (7.25%) TCP/IP
5 4 (5.80%) HTTP
6 3 (4.35%) DNS
6 3 (4.35%) Firewall
6 3 (4.35%) Intranet
6 3 (4.35%) Intrusion Detection
6 3 (4.35%) iSCSI
6 3 (4.35%) MPLS
6 3 (4.35%) NAS
6 3 (4.35%) SAN
6 3 (4.35%) SSH
7 2 (2.90%) PBX
8 1 (1.45%) 3G
8 1 (1.45%) 3GPP
8 1 (1.45%) CDMA
8 1 (1.45%) SNMP
8 1 (1.45%) VoIP
Database & Business Intelligence
1 9 (13.04%) HBase
2 5 (7.25%) Big Data
2 5 (7.25%) SQLPlus
3 2 (2.90%) PostgreSQL
4 1 (1.45%) MySQL
4 1 (1.45%) RDBMS
4 1 (1.45%) Relational Database
Development Applications
1 9 (13.04%) JUnit
1 9 (13.04%) TestNG
2 8 (11.59%) GDB
3 7 (10.14%) Git (software)
4 6 (8.70%) Maven
5 4 (5.80%) Jenkins
5 4 (5.80%) JIRA
6 3 (4.35%) Atlassian Bamboo
6 3 (4.35%) CMake
6 3 (4.35%) Eclipse
6 3 (4.35%) Gradle
6 3 (4.35%) Xcode
7 1 (1.45%) CppUnit
7 1 (1.45%) Toad
General
1 13 (18.84%) Automotive
1 13 (18.84%) Retail
2 8 (11.59%) Front Office
3 3 (4.35%) Aerospace
4 1 (1.45%) Telecoms
Job Titles
1 41 (59.42%) Developer
2 26 (37.68%) C++ Developer
3 20 (28.99%) Linux Developer
4 13 (18.84%) Applications Support
5 12 (17.39%) Java Developer
5 12 (17.39%) Senior Developer
6 9 (13.04%) Agile Developer
6 9 (13.04%) Agile Java Developer
6 9 (13.04%) Cloud Developer
6 9 (13.04%) Senior Agile Developer
6 9 (13.04%) Senior Agile Java Developer
6 9 (13.04%) Senior Java Developer
7 8 (11.59%) Analyst
7 8 (11.59%) Applications Support Analyst
7 8 (11.59%) Support Analyst
8 7 (10.14%) Linux Support
8 7 (10.14%) Software Engineer
9 6 (8.70%) Operational Support Analyst
9 6 (8.70%) Operations Analyst
9 6 (8.70%) Operations Support Analyst
Libraries, Frameworks & Software Standards
1 15 (21.74%) HTML
2 14 (20.29%) CSS
3 12 (17.39%) STL
3 12 (17.39%) XML
4 9 (13.04%) Boost C++ Libraries
4 9 (13.04%) JSP
5 8 (11.59%) Pthreads
6 7 (10.14%) Middleware
7 3 (4.35%) JSON
7 3 (4.35%) REST
7 3 (4.35%) SOAP
7 3 (4.35%) UIKit
8 2 (2.90%) FreeSWITCH
9 1 (1.45%) HTML5
9 1 (1.45%) OpenGL
9 1 (1.45%) OpenGL ES
9 1 (1.45%) Servlets
9 1 (1.45%) WebRTC
Miscellaneous
1 26 (37.68%) Computer Science
2 8 (11.59%) Algorithms
2 8 (11.59%) Equities
2 8 (11.59%) Mathematics
3 6 (8.70%) Analytical Skills
4 5 (7.25%) Enterprise Software
4 5 (7.25%) IBM Mainframe
4 5 (7.25%) Mainframe
5 3 (4.35%) Data Structures
5 3 (4.35%) Mobile App
5 3 (4.35%) User Experience
6 2 (2.90%) iPad
7 1 (1.45%) Device Driver
7 1 (1.45%) Field-Programmable Gate Array
Operating Systems
1 52 (75.36%) Linux
2 34 (49.28%) Unix
2 34 (49.28%) Windows
3 8 (11.59%) Windows Server
3 8 (11.59%) Windows Server 2003
3 8 (11.59%) Windows Server 2008
4 7 (10.14%) Windows Server 2012
5 5 (7.25%) zOS
6 4 (5.80%) AIX
6 4 (5.80%) HPUX
6 4 (5.80%) Red Hat Enterprise Linux
6 4 (5.80%) Solaris
7 3 (4.35%) Apple iOS
7 3 (4.35%) CentOS
7 3 (4.35%) Ubuntu
8 2 (2.90%) Embedded Linux
8 2 (2.90%) uClinux
9 1 (1.45%) Android
9 1 (1.45%) Windows 7
9 1 (1.45%) Windows 8
Processes & Methodologies
1 22 (31.88%) Multithreading
2 18 (26.09%) SDLC
3 15 (21.74%) OO
4 14 (20.29%) Agile Software Development
4 14 (20.29%) Concurrent Programming
4 14 (20.29%) Disaster Recovery
4 14 (20.29%) Software Engineering
5 13 (18.84%) Continuous Integration
5 13 (18.84%) ERP
5 13 (18.84%) ITIL
6 9 (13.04%) Malware Analysis
6 9 (13.04%) Scrum
6 9 (13.04%) Service Delivery
7 8 (11.59%) Electronic Trading
8 7 (10.14%) Service Management
9 6 (8.70%) E-Commerce
10 5 (7.25%) Mentoring
10 5 (7.25%) Network Management
10 5 (7.25%) Open Source
10 5 (7.25%) Product Management
Programming Languages
1 42 (60.87%) C++
2 24 (34.78%) Bash Shell
3 20 (28.99%) C
3 20 (28.99%) Shell Script
4 19 (27.54%) Java
5 17 (24.64%) SQL
6 14 (20.29%) AWK
6 14 (20.29%) Korn
7 9 (13.04%) Perl
7 9 (13.04%) R
8 7 (10.14%) C#
9 6 (8.70%) PL/SQL
10 5 (7.25%) Assembly Language
10 5 (7.25%) JavaScript
11 4 (5.80%) Python
12 3 (4.35%) ANSI C
12 3 (4.35%) Apple Swift
12 3 (4.35%) Objective-C
13 1 (1.45%) Embedded C++
13 1 (1.45%) GLSL
Qualifications
1 33 (47.83%) Degree
2 2 (2.90%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 5 (7.25%) SLA
System Software
1 15 (21.74%) Active Directory
2 9 (13.04%) HDFS
3 5 (7.25%) VMware Infrastructure
4 3 (4.35%) NFS
Systems Management
1 4 (5.80%) Puppet
2 3 (4.35%) Simpana
Vendors
1 16 (23.19%) Oracle
2 12 (17.39%) VMware
3 5 (7.25%) IBM
3 5 (7.25%) Microsoft
4 4 (5.80%) Adobe
4 4 (5.80%) Atlassian
5 3 (4.35%) CommVault
5 3 (4.35%) Intel Security
5 3 (4.35%) Perforce
5 3 (4.35%) Red Hat
6 1 (1.45%) Dialogic
6 1 (1.45%) Google
6 1 (1.45%) Twitter
Cambridge, Cambridgeshire
Client Server
Salary: £40k to £55k + benefits
Posted: 2 days ago
Cambridge
Client Server
Salary: £40k to £55k + benefits
Posted: 3 days ago
Cambridge
Client Server
Salary: £40k to £55k + benefits
Posted: 12 days ago
Cambridge
Client Server
Salary: £35,000 to £50,000 + benefits
Posted: 19 days ago
Cambridge
Computer Futures
Salary: competitive
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Cambridge
Computer Futures
Salary: £40000 - £50000 per annum + competitive
Posted: 26 days ago