POSIX Jobs in England

Portable Operating System Interface (POSIX)
UK > England

The table below provides summary statistics for permanent job vacancies advertised in England requiring POSIX skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited POSIX over the 6 months leading up to 12 June 2025, comparing them to the same period in the previous two years.

6 months to
12 Jun 2025
Same period 2024 Same period 2023
Rank 694 837 890
Rank change year-on-year +143 +53 +289
Permanent jobs citing POSIX 1 15 9
As % of all permanent jobs advertised in England 0.002% 0.016% 0.011%
As % of the Libraries, Frameworks & Software Standards category 0.011% 0.082% 0.038%
Number of salaries quoted 0 13 3
10th Percentile - £49,800 -
25th Percentile - - £39,250
Median annual salary (50th Percentile) - £50,000 £43,500
Median % change year-on-year - +14.94% -60.45%
75th Percentile - - £47,750
90th Percentile - £60,600 -
UK median annual salary - £50,000 £43,500
% change year-on-year - +14.94% -60.45%

All Software Libraries and Frameworks
England

POSIX falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in England.

Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 8,766 18,375 23,829
As % of all permanent jobs advertised in England 17.87% 19.31% 28.91%
Number of salaries quoted 5,337 14,556 15,724
10th Percentile £38,750 £36,250 £41,250
25th Percentile £51,250 £45,000 £51,250
Median annual salary (50th Percentile) £67,037 £60,000 £67,500
Median % change year-on-year +11.73% -11.11% +3.85%
75th Percentile £87,500 £80,000 £88,750
90th Percentile £113,750 £100,000 £110,000
UK median annual salary £66,254 £60,000 £67,500
% change year-on-year +10.42% -11.11% +3.85%

POSIX
Job Vacancy Trend in England

Job postings citing POSIX as a proportion of all IT jobs advertised in England.

Job vacancy trend for POSIX in England

POSIX
Salary Trend in England

3-month moving average salary quoted in jobs citing POSIX in England.

Salary trend 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 6 months to 12 June 2025. 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
Jobs
East of England - 1 - -
POSIX
UK

POSIX
Co-occurring Skills and Capabilities in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Development Applications
1 1 (100.00%) JIRA
Job Titles
1 1 (100.00%) Network Engineer
1 1 (100.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 1 (100.00%) Yocto
Operating Systems
1 1 (100.00%) Linux
Processes & Methodologies
1 1 (100.00%) Agile
1 1 (100.00%) CI/CD
1 1 (100.00%) Issue Tracking
1 1 (100.00%) Open Source
1 1 (100.00%) Product Requirements
1 1 (100.00%) Software Architecture
1 1 (100.00%) Software Engineering
Programming Languages
1 1 (100.00%) C