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 26 June 2016 with a comparison to the same period over the previous 2 years.

3 months to
26 Jun 2016
Same period 2015 Same period 2014
Portable Operating System Interface (POSIX)
Rank 890 948 992
Rank change year-on-year
+58 +44
Permanent jobs citing POSIX 34 28 11
As % of all permanent IT jobs located in the UK 0.035% 0.025% 0.009%
As % of the Libraries, Frameworks & Software Standards category 0.090% 0.066% 0.023%
Number of salaries quoted 31 24 6
Median salary £47,500 £66,250 £33,250
Median salary % change year-on-year
-28.30% +99.24%
90% offered a salary of more than £37,500 £24,750 £24,500
10% offered a salary of more than £90,000 £92,500 £47,500
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
37658 42179 47625
As % of all permanent IT jobs located in the UK 38.80% 38.06% 39.48%
Number of salaries quoted 32728 36100 40719
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 £70,000 £65,000 £65,000
UK excluding London median salary £40,000 £40,000 £40,000

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 26 June 2016 within the UK.

POSIX Salary Histogram in the UK

POSIX
Top 15 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 26 June 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 +44 30 £47,500 -32.14% 3
East of England +45 14 £47,500 -19.14% 2
Cambridge +17 14 £47,500 -24.00% 2
Cambridgeshire +16 14 £47,500 -24.00% 2
London +25 9 £45,000 -45.45% 1
South East +43 6 £37,500 -28.57%
Buckinghamshire +41 5 £37,500 -28.57%
Milton Keynes +35 5 £37,500 -28.57%
Manchester - 1 £55,000 -
Berkshire - 1 £52,500 -
Kingston Upon Thames - 1 £35,000 -
Ealing - 1 £55,000 -
Hammersmith - 1 £55,000 - 1
Reading - 1 £52,500 -
North West - 1 £55,000 -

POSIX
Top 30 Related IT Skills

For the 6 months to 26 June 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 55 (75.34%) Linux
2 50 (68.49%) C++
3 32 (43.84%) Degree
4 29 (39.73%) Unix
4 29 (39.73%) Windows
5 25 (34.25%) Computer Science
6 24 (32.88%) Bash Shell
7 23 (31.51%) Multithreading
7 23 (31.51%) Java
8 22 (30.14%) C
9 20 (27.40%) Shell Script
10 18 (24.66%) SQL
11 17 (23.29%) Oracle
11 17 (23.29%) Concurrent Programming
12 16 (21.92%) FTP
12 16 (21.92%) Automotive
13 15 (20.55%) Software Engineering
13 15 (20.55%) OO
14 14 (19.18%) AWK
14 14 (19.18%) SDLC
14 14 (19.18%) Korn
15 13 (17.81%) Continuous Integration
15 13 (17.81%) Agile Software Development
15 13 (17.81%) Retail
15 13 (17.81%) STL
15 13 (17.81%) Active Directory
15 13 (17.81%) Internet
16 12 (16.44%) XML
16 12 (16.44%) ITIL
16 12 (16.44%) ERP

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 (12.33%) JBoss
2 6 (8.22%) SharePoint
3 3 (4.11%) Confluence
4 1 (1.37%) Apache ServiceMix
4 1 (1.37%) Tomcat
Applications
1 4 (5.48%) MS Excel
2 3 (4.11%) Adobe Creative Suite
2 3 (4.11%) MS Office
Business Applications
1 12 (16.44%) Oracle ERP
Cloud Services
1 6 (8.22%) Office 365
2 3 (4.11%) iTunes
2 3 (4.11%) SaaS
Communications & Networking
1 16 (21.92%) FTP
2 13 (17.81%) Internet
3 7 (9.59%) Multicast
4 4 (5.48%) HTTP
4 4 (5.48%) TCP/IP
5 3 (4.11%) DNS
5 3 (4.11%) Firewall
5 3 (4.11%) Intranet
5 3 (4.11%) Intrusion Detection
5 3 (4.11%) iSCSI
5 3 (4.11%) MPLS
5 3 (4.11%) NAS
5 3 (4.11%) SAN
5 3 (4.11%) SSH
6 1 (1.37%) DVB
6 1 (1.37%) M3UA
6 1 (1.37%) Network Security
6 1 (1.37%) RTP
6 1 (1.37%) TCAP
6 1 (1.37%) VLAN
Database & Business Intelligence
1 9 (12.33%) HBase
2 5 (6.85%) SQLPlus
3 2 (2.74%) PostgreSQL
4 1 (1.37%) Big Data
4 1 (1.37%) MySQL
4 1 (1.37%) RDBMS
4 1 (1.37%) Relational Database
Development Applications
1 9 (12.33%) JUnit
1 9 (12.33%) TestNG
2 7 (9.59%) GDB
2 7 (9.59%) Git (software)
3 6 (8.22%) Maven
4 4 (5.48%) Burp Suite
4 4 (5.48%) Jenkins
4 4 (5.48%) JIRA
4 4 (5.48%) Metasploit
5 3 (4.11%) Atlassian Bamboo
5 3 (4.11%) CMake
5 3 (4.11%) Eclipse
5 3 (4.11%) Gradle
5 3 (4.11%) Xcode
6 2 (2.74%) Toad
General
1 16 (21.92%) Automotive
2 13 (17.81%) Retail
3 7 (9.59%) Front Office
4 4 (5.48%) Finance
5 3 (4.11%) Aerospace
6 1 (1.37%) Telecoms
Job Titles
1 45 (61.64%) Developer
2 30 (41.10%) C++ Developer
3 22 (30.14%) Linux Developer
4 13 (17.81%) Applications Support
5 12 (16.44%) Java Developer
5 12 (16.44%) Senior Developer
6 9 (12.33%) Agile Developer
6 9 (12.33%) Agile Java Developer
6 9 (12.33%) Cloud Developer
6 9 (12.33%) Senior Agile Developer
6 9 (12.33%) Senior Agile Java Developer
6 9 (12.33%) Senior Java Developer
7 8 (10.96%) Analyst
7 8 (10.96%) Applications Support Analyst
7 8 (10.96%) Support Analyst
8 7 (9.59%) Linux Support
9 6 (8.22%) Junior
9 6 (8.22%) Junior C++ Developer
9 6 (8.22%) Junior Developer
10 5 (6.85%) Operations Analyst
Libraries, Frameworks & Software Standards
1 13 (17.81%) STL
2 12 (16.44%) XML
3 11 (15.07%) HTML
4 10 (13.70%) CSS
5 9 (12.33%) JSP
6 8 (10.96%) Boost C++ Libraries
7 7 (9.59%) Pthreads
8 6 (8.22%) Middleware
9 4 (5.48%) .NET
10 3 (4.11%) JSON
10 3 (4.11%) REST
10 3 (4.11%) SOAP
10 3 (4.11%) UIKit
11 1 (1.37%) FreeSWITCH
11 1 (1.37%) HTML5
11 1 (1.37%) OpenGL
11 1 (1.37%) OpenGL ES
11 1 (1.37%) Servlets
11 1 (1.37%) WebRTC
Miscellaneous
1 25 (34.25%) Computer Science
2 7 (9.59%) Algorithms
2 7 (9.59%) Equities
3 4 (5.48%) Mathematics
4 3 (4.11%) Data Structures
4 3 (4.11%) Mobile App
4 3 (4.11%) User Experience
5 2 (2.74%) Analytical Skills
5 2 (2.74%) iPad
6 1 (1.37%) Device Driver
6 1 (1.37%) Enterprise Software
6 1 (1.37%) Field-Programmable Gate Array
6 1 (1.37%) IBM Mainframe
6 1 (1.37%) IPTV
6 1 (1.37%) Mainframe
6 1 (1.37%) STB
Operating Systems
1 55 (75.34%) Linux
2 29 (39.73%) Unix
2 29 (39.73%) Windows
3 7 (9.59%) Windows Server
3 7 (9.59%) Windows Server 2003
3 7 (9.59%) Windows Server 2008
4 6 (8.22%) Windows Server 2012
5 4 (5.48%) AIX
5 4 (5.48%) HPUX
5 4 (5.48%) Kali Linux
5 4 (5.48%) Red Hat Enterprise Linux
5 4 (5.48%) Solaris
6 3 (4.11%) Apple iOS
6 3 (4.11%) CentOS
6 3 (4.11%) Ubuntu
7 1 (1.37%) Android
7 1 (1.37%) Embedded Linux
7 1 (1.37%) uClinux
7 1 (1.37%) Windows 7
7 1 (1.37%) Windows 8
Processes & Methodologies
1 23 (31.51%) Multithreading
2 17 (23.29%) Concurrent Programming
3 15 (20.55%) OO
3 15 (20.55%) Software Engineering
4 14 (19.18%) SDLC
5 13 (17.81%) Agile Software Development
5 13 (17.81%) Continuous Integration
6 12 (16.44%) Disaster Recovery
6 12 (16.44%) ERP
6 12 (16.44%) ITIL
7 9 (12.33%) Malware Analysis
7 9 (12.33%) Scrum
7 9 (12.33%) Service Delivery
8 7 (9.59%) Electronic Trading
9 6 (8.22%) Mentoring
9 6 (8.22%) Service Management
10 4 (5.48%) Configuration Management
10 4 (5.48%) E-Commerce
10 4 (5.48%) Information Security
10 4 (5.48%) Penetration Testing
Programming Languages
1 50 (68.49%) C++
2 24 (32.88%) Bash Shell
3 23 (31.51%) Java
4 22 (30.14%) C
5 20 (27.40%) Shell Script
6 18 (24.66%) SQL
7 14 (19.18%) AWK
7 14 (19.18%) Korn
8 11 (15.07%) C#
9 9 (12.33%) Perl
9 9 (12.33%) R
10 8 (10.96%) Python
11 7 (9.59%) Objective-C
12 6 (8.22%) PL/SQL
13 4 (5.48%) PHP
13 4 (5.48%) Ruby
14 3 (4.11%) ANSI C
14 3 (4.11%) Apple Swift
15 1 (1.37%) GLSL
15 1 (1.37%) JavaScript
Qualifications
1 32 (43.84%) Degree
2 4 (5.48%) CHECK Team Member
2 4 (5.48%) Security Cleared
3 3 (4.11%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 5 (6.85%) SLA
System Software
1 13 (17.81%) Active Directory
2 9 (12.33%) HDFS
3 5 (6.85%) VMware Infrastructure
4 3 (4.11%) NFS
Systems Management
1 4 (5.48%) Nmap
1 4 (5.48%) Puppet
2 3 (4.11%) Simpana
Vendors
1 17 (23.29%) Oracle
2 11 (15.07%) VMware
3 4 (5.48%) Atlassian
3 4 (5.48%) Microsoft
4 3 (4.11%) Adobe
4 3 (4.11%) CommVault
4 3 (4.11%) Intel Security
4 3 (4.11%) Perforce
4 3 (4.11%) Red Hat
5 1 (1.37%) Dialogic
5 1 (1.37%) IBM
5 1 (1.37%) Twitter
Cambridge, Cambridgeshire
Client Server
Salary: £40k to £55k + benefits
Posted: 2 days ago
Cambridge
Client Server
Salary: £35,000 to £50,000 + benefits
Posted: 10 days ago
Hammersmith and Fulham
Progressive Recruitment
Salary: competitive
Posted: 17 days ago