Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the South East with a requirement for POSIX skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited POSIX over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Portable Operating System Interface (POSIX)
England > South East
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 533 584 639
Rank change year-on-year +51 +55 +21
Permanent jobs citing POSIX 16 6 13
As % of all permanent IT jobs advertised in the South East 0.052% 0.017% 0.030%
As % of the Libraries, Frameworks & Software Standards category 0.12% 0.045% 0.079%
Number of salaries quoted 11 6 13
South East median annual salary £50,000 £38,250 £60,000
Median salary % change year-on-year +30.72% -36.25% +41.18%
10th Percentile £37,000 £36,250 £51,750
90th Percentile £55,000 £71,250 £72,500
England median annual salary £50,000 £42,500 £62,500
% change year-on-year +17.65% -32.00% +38.89%

POSIX is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the South East with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
South East
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 12909 13287 16471
As % of all permanent IT jobs advertised in the South East 42.18% 38.32% 38.44%
Number of salaries quoted 11222 11689 14261
South East median annual salary £45,000 £45,000 £43,500
Median salary % change year-on-year - +3.45% +8.75%
10th Percentile £28,250 £28,343 £27,500
90th Percentile £66,925 £65,000 £63,750
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

POSIX
Job Vacancy Trend in the South East

Job postings citing POSIX as a percentage of all IT jobs advertised in the South East.

Job vacancy trend for POSIX in the South East

POSIX
Salary Trend in the South East

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

Salary trend for POSIX in the South East

POSIX
Salary Histogram in the South East

The salary distribution of IT jobs citing POSIX in the South East over the 6 months to 20 November 2017.

Salary histogram for POSIX in the South East

POSIX
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing POSIX within the South East region over the 6 months to 20 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Thames Valley +34 8 £50,000 +30.72% 1
Berkshire +50 6 £50,000 -25.93% 1
West Sussex - 6 £30,500 -
Buckinghamshire +8 1 £39,000 +4.00%
Hampshire - 1 £52,000 -
Oxfordshire - 1 £50,000 -
Surrey - 1 £45,000 -
POSIX
England

For the 6 months to 20 November 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 South East region with a requirement for POSIX.

1 12 (75.00%) Degree
2 11 (68.75%) Computer Science
3 9 (56.25%) C
3 9 (56.25%) C++
4 7 (43.75%) SQL
4 7 (43.75%) Unix
4 7 (43.75%) OO
5 6 (37.50%) PL/SQL
5 6 (37.50%) Fortran
5 6 (37.50%) FTP
5 6 (37.50%) HTTP
5 6 (37.50%) NFS
5 6 (37.50%) TCP/IP
5 6 (37.50%) DNS
5 6 (37.50%) Cisco
5 6 (37.50%) Juniper
5 6 (37.50%) SAN
5 6 (37.50%) Intranet
5 6 (37.50%) Internet
5 6 (37.50%) MPLS
5 6 (37.50%) Active Directory
5 6 (37.50%) Firewall
5 6 (37.50%) SSH
5 6 (37.50%) Intrusion Detection
5 6 (37.50%) iSCSI
5 6 (37.50%) NAS
5 6 (37.50%) Bash Shell
5 6 (37.50%) F5
5 6 (37.50%) Algorithms
5 6 (37.50%) Linux Command Line

POSIX
Co-occurring IT Skills in the South East 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:

Cloud Services
1 2 (12.50%) SaaS
Communications & Networking
1 6 (37.50%) DNS
1 6 (37.50%) Firewall
1 6 (37.50%) FTP
1 6 (37.50%) HTTP
1 6 (37.50%) Internet
1 6 (37.50%) Intranet
1 6 (37.50%) Intrusion Detection
1 6 (37.50%) iSCSI
1 6 (37.50%) MPLS
1 6 (37.50%) NAS
1 6 (37.50%) SAN
1 6 (37.50%) SSH
1 6 (37.50%) TCP/IP
2 4 (25.00%) Network Security
3 2 (12.50%) BIG-IP
3 2 (12.50%) Cisco ASA
3 2 (12.50%) Cisco IOS
3 2 (12.50%) Junos
3 2 (12.50%) NX-OS
3 2 (12.50%) WAN
Development Applications
1 2 (12.50%) Git (software)
2 1 (6.25%) Eclipse
2 1 (6.25%) JIRA
2 1 (6.25%) Subversion
2 1 (6.25%) Visual Studio
General
1 3 (18.75%) Finance
2 2 (12.50%) Electronics
2 2 (12.50%) Manufacturing
2 2 (12.50%) Marketing
2 2 (12.50%) Telecoms
Job Titles
1 8 (50.00%) Developer
2 5 (31.25%) Administrator
2 5 (31.25%) Software Developer
3 4 (25.00%) Network Administrator
4 3 (18.75%) C++ Developer
4 3 (18.75%) Systems Administrator
5 2 (12.50%) C Developer
5 2 (12.50%) C/C++ Developer
5 2 (12.50%) Cisco Administrator
5 2 (12.50%) Cisco Network Administrator
5 2 (12.50%) Firewall Administrator
5 2 (12.50%) Senior Cisco Administrator
5 2 (12.50%) Senior Network Administrator
6 1 (6.25%) Embedded C/C++ Developer
6 1 (6.25%) Embedded C++ Developer
6 1 (6.25%) Embedded Developer
6 1 (6.25%) Junior C Developer
6 1 (6.25%) Junior C++ Developer
6 1 (6.25%) Linux Developer
6 1 (6.25%) Linux Engineer
Libraries, Frameworks & Software Standards
1 1 (6.25%) Qt
1 1 (6.25%) STL
Miscellaneous
1 11 (68.75%) Computer Science
2 6 (37.50%) Algorithms
2 6 (37.50%) Linux Command Line
3 5 (31.25%) Analytical Skills
4 1 (6.25%) iSeries
4 1 (6.25%) Smartphone
Operating Systems
1 7 (43.75%) Unix
2 4 (25.00%) Linux
3 1 (6.25%) AIX
3 1 (6.25%) Embedded Linux
3 1 (6.25%) FreeBSD
3 1 (6.25%) Mac OS X
3 1 (6.25%) Red Hat Enterprise Linux
3 1 (6.25%) Windows
Processes & Methodologies
1 7 (43.75%) OO
2 5 (31.25%) Capacity Planning
2 5 (31.25%) Disaster Recovery
3 4 (25.00%) Root Cause Analysis
4 2 (12.50%) Business Intelligence
4 2 (12.50%) Customer Requirements
4 2 (12.50%) Digital Marketing
4 2 (12.50%) Mathematics
4 2 (12.50%) Physics
4 2 (12.50%) Programme Management
4 2 (12.50%) Software Engineering
5 1 (6.25%) Continuous Improvement
5 1 (6.25%) Continuous Integration
5 1 (6.25%) ITIL
5 1 (6.25%) ITIL V3
5 1 (6.25%) Multithreading
5 1 (6.25%) Project Management
5 1 (6.25%) TDD
5 1 (6.25%) Test Scripting
5 1 (6.25%) Unit Testing
Programming Languages
1 9 (56.25%) C
1 9 (56.25%) C++
2 7 (43.75%) SQL
3 6 (37.50%) Bash Shell
3 6 (37.50%) Fortran
3 6 (37.50%) PL/SQL
4 2 (12.50%) C#
4 2 (12.50%) Java
4 2 (12.50%) Perl
4 2 (12.50%) Python
5 1 (6.25%) JavaScript
5 1 (6.25%) PowerShell
Qualifications
1 12 (75.00%) Degree
2 6 (37.50%) Master's Degree
3 4 (25.00%) Computer Science Degree
4 2 (12.50%) Security Cleared
5 1 (6.25%) DV Cleared
5 1 (6.25%) PhD
5 1 (6.25%) RHCE
5 1 (6.25%) SC Cleared
System Software
1 6 (37.50%) Active Directory
1 6 (37.50%) NFS
Systems Management
1 1 (6.25%) Ansible
1 1 (6.25%) Cobbler
1 1 (6.25%) Opscode Chef
1 1 (6.25%) Puppet
1 1 (6.25%) Red Hat Satellite
Vendors
1 6 (37.50%) Cisco
1 6 (37.50%) F5
1 6 (37.50%) Juniper
2 2 (12.50%) SAP
3 1 (6.25%) IBM
3 1 (6.25%) Oracle
3 1 (6.25%) Perforce
3 1 (6.25%) Red Hat
3 1 (6.25%) VMware