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 29 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Sep 2016
Same period 2015 Same period 2014
Portable Operating System Interface (POSIX)
Rank 906 936 980
Rank change year-on-year
+30 +44
Permanent jobs citing POSIX 1 31 4
As % of all permanent IT jobs located in the UK 0.001% 0.028% 0.003%
As % of the Libraries, Frameworks & Software Standards category 0.003% 0.075% 0.009%
Number of salaries quoted 1 20 3
Median salary £42,500 £63,750 £45,000
Median salary % change year-on-year
-33.33% +41.66%
UK excluding London median salary £42,500 £60,000 £45,000
% change year-on-year
-29.16% +33.33%

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
36728 41176 43607
As % of all permanent IT jobs located in the UK 38.65% 37.68% 38.14%
Number of salaries quoted 31776 35357 36725
Median salary £47,500 £45,000 £42,500
Median salary % change year-on-year
+5.55% +5.88%
90% offered a salary of more than £31,500 £30,000 £30,000
10% offered a salary of more than £70,000 £62,500 £67,500
UK excluding London median salary £42,000 £40,000 £40,000
% change year-on-year
+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
Top 4 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 29 September 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 +35 1 £42,500 -33.33% 4
Cambridgeshire +14 1 £42,500 -22.72% 3
East of England +13 1 £42,500 -22.72% 3
Cambridge +8 1 £42,500 -22.72% 3

POSIX
Top 30 Related IT Skills

For the 6 months to 29 September 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 29 (80.56%) C++
2 28 (77.78%) Linux
3 16 (44.44%) C
3 16 (44.44%) Degree
4 15 (41.67%) Computer Science
5 12 (33.33%) Multithreading
5 12 (33.33%) Unix
6 11 (30.56%) Windows
6 11 (30.56%) Automotive
6 11 (30.56%) Concurrent Programming
7 10 (27.78%) Shell Script
7 10 (27.78%) Java
7 10 (27.78%) Oracle
7 10 (27.78%) SQL
7 10 (27.78%) Bash Shell
8 9 (25.00%) Software Engineering
8 9 (25.00%) C#
9 8 (22.22%) STL
9 8 (22.22%) Python
10 6 (16.67%) VMware
10 6 (16.67%) AWK
10 6 (16.67%) Korn
11 5 (13.89%) Retail
11 5 (13.89%) Objective-C
11 5 (13.89%) ITIL
11 5 (13.89%) FTP
11 5 (13.89%) SDLC
12 4 (11.11%) Burp Suite
12 4 (11.11%) Kali Linux
12 4 (11.11%) CHECK Team Member

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 3 (8.33%) Confluence
2 2 (5.56%) SharePoint
3 1 (2.78%) JBoss
Business Applications
1 4 (11.11%) Oracle ERP
Cloud Services
1 2 (5.56%) Office 365
2 1 (2.78%) iTunes
Communications & Networking
1 5 (13.89%) FTP
2 1 (2.78%) CDMA
2 1 (2.78%) DVB
2 1 (2.78%) INAP
2 1 (2.78%) Internet
2 1 (2.78%) M3UA
2 1 (2.78%) Multicast
2 1 (2.78%) TCAP
Database & Business Intelligence
1 2 (5.56%) SQLPlus
2 1 (2.78%) HBase
2 1 (2.78%) MySQL
2 1 (2.78%) PostgreSQL
Development Applications
1 4 (11.11%) Burp Suite
1 4 (11.11%) Git (software)
1 4 (11.11%) Jenkins
1 4 (11.11%) JIRA
1 4 (11.11%) Metasploit
2 3 (8.33%) Atlassian Bamboo
2 3 (8.33%) CMake
2 3 (8.33%) Gradle
2 3 (8.33%) Maven
3 2 (5.56%) Toad
4 1 (2.78%) GDB
4 1 (2.78%) JUnit
4 1 (2.78%) TestNG
4 1 (2.78%) Xcode
General
1 11 (30.56%) Automotive
2 5 (13.89%) Retail
3 4 (11.11%) Finance
4 3 (8.33%) Aerospace
5 1 (2.78%) Front Office
5 1 (2.78%) Telecoms
Job Titles
1 21 (58.33%) Developer
2 19 (52.78%) C++ Developer
3 9 (25.00%) Linux Developer
4 6 (16.67%) Applications Support
5 5 (13.89%) Analyst
5 5 (13.89%) Applications Support Analyst
5 5 (13.89%) Support Analyst
6 4 (11.11%) Consultant
6 4 (11.11%) Junior
6 4 (11.11%) Junior C++ Developer
6 4 (11.11%) Junior Developer
6 4 (11.11%) Penetration Test Consultant
6 4 (11.11%) Principal Consultant
6 4 (11.11%) Principal Security Consultant
6 4 (11.11%) Security Consultant
7 3 (8.33%) DevOps Engineer
8 2 (5.56%) Linux Support
8 2 (5.56%) Operational Support Analyst
8 2 (5.56%) Operations Analyst
8 2 (5.56%) Operations Support Analyst
Libraries, Frameworks & Software Standards
1 8 (22.22%) STL
2 4 (11.11%) .NET
3 2 (5.56%) Boost C++ Libraries
3 2 (5.56%) Middleware
4 1 (2.78%) CSS
4 1 (2.78%) HTML
4 1 (2.78%) JSP
4 1 (2.78%) Pthreads
4 1 (2.78%) UIKit
4 1 (2.78%) XML
Miscellaneous
1 15 (41.67%) Computer Science
2 3 (8.33%) Mathematics
3 1 (2.78%) Algorithms
3 1 (2.78%) Data Structures
3 1 (2.78%) Equities
3 1 (2.78%) IPTV
3 1 (2.78%) Mobile App
3 1 (2.78%) STB
3 1 (2.78%) User Experience
Operating Systems
1 28 (77.78%) Linux
2 12 (33.33%) Unix
3 11 (30.56%) Windows
4 4 (11.11%) AIX
4 4 (11.11%) HPUX
4 4 (11.11%) Kali Linux
4 4 (11.11%) Solaris
5 2 (5.56%) Windows Server
5 2 (5.56%) Windows Server 2003
5 2 (5.56%) Windows Server 2008
5 2 (5.56%) Windows Server 2012
6 1 (2.78%) Apple iOS
Processes & Methodologies
1 12 (33.33%) Multithreading
2 11 (30.56%) Concurrent Programming
3 9 (25.00%) Software Engineering
4 5 (13.89%) ITIL
4 5 (13.89%) SDLC
5 4 (11.11%) Configuration Management
5 4 (11.11%) Continuous Integration
5 4 (11.11%) DevOps
5 4 (11.11%) ERP
5 4 (11.11%) Information Security
5 4 (11.11%) Mentoring
5 4 (11.11%) Penetration Testing
5 4 (11.11%) Test Management
6 3 (8.33%) Build Automation
7 2 (5.56%) Disaster Recovery
7 2 (5.56%) OO
7 2 (5.56%) Regulatory Compliance
7 2 (5.56%) Service Management
8 1 (2.78%) Functional Programming
8 1 (2.78%) Malware Analysis
Programming Languages
1 29 (80.56%) C++
2 16 (44.44%) C
3 10 (27.78%) Bash Shell
3 10 (27.78%) Java
3 10 (27.78%) Shell Script
3 10 (27.78%) SQL
4 9 (25.00%) C#
5 8 (22.22%) Python
6 6 (16.67%) AWK
6 6 (16.67%) Korn
7 5 (13.89%) Objective-C
8 4 (11.11%) PHP
8 4 (11.11%) Ruby
9 3 (8.33%) PL/SQL
10 1 (2.78%) Apple Swift
10 1 (2.78%) Perl
10 1 (2.78%) R
Qualifications
1 16 (44.44%) Degree
2 4 (11.11%) CHECK Team Member
2 4 (11.11%) Security Cleared
3 3 (8.33%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 2 (5.56%) PCI DSS
2 1 (2.78%) SLA
System Software
1 4 (11.11%) VMware Infrastructure
2 2 (5.56%) Active Directory
3 1 (2.78%) HDFS
Systems Management
1 4 (11.11%) Nmap
1 4 (11.11%) Puppet
Vendors
1 10 (27.78%) Oracle
2 6 (16.67%) VMware
3 4 (11.11%) Atlassian
4 3 (8.33%) Perforce
5 1 (2.78%) Dialogic
Cambridge
Client Server
Salary: £35000 - £50000 per annum + benefits
Posted: 10 days ago
Cambridge
Pro-Quest
Salary: 45000-85000 Per Annum + excellent benefits package
Posted: 7 days ago
Cambridge
Client Server
Salary: £40k to £55k + benefits
Posted: 21 days ago
Manchester
Computer Futures
Salary: competitive
Posted: 23 days ago