Period
to 28 January 2021

The following table provides summary statistics for permanent job vacancies with a requirement for OpenSIPS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited OpenSIPS over the 6 months to 28 January 2021 with a comparison to the same period in the previous 2 years.

OpenSIPS
UK
6 months to
28 Jan 2021
Same period 2020 Same period 2019
Rank 767 1027 -
Rank change year-on-year +260 - +1195
Permanent jobs citing OpenSIPS 5 2 0
As % of all permanent jobs advertised in the UK 0.008% 0.002% -
As % of the System Software category 0.041% 0.009% -
Number of salaries quoted 5 2 0
Median annual salary £57,500 £32,500 -
Median salary % change year-on-year +76.92% - -
UK excluding London median annual salary - £32,500 -

OpenSIPS is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 12,077 21,440 23,381
As % of all permanent IT jobs advertised in the UK 18.44% 17.07% 15.48%
Number of salaries quoted 10,081 17,715 19,273
Median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +11.11%
10th Percentile £29,750 £25,500 £25,500
90th Percentile £87,500 £85,000 £82,500
UK excluding London median annual salary £47,500 £42,500 £42,500
% change year-on-year +11.76% - +6.25%

OpenSIPS
Job Vacancy Trend

Job postings citing OpenSIPS as a proportion of all IT jobs advertised.

Job vacancy trend for OpenSIPS in the UK

OpenSIPS
Salary Trend

3-month moving average salary quoted in jobs citing OpenSIPS.

Salary trend for OpenSIPS in the UK

OpenSIPS
Top 2 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing OpenSIPS within the UK over the 6 months to 28 January 2021. 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
England +253 5 £57,500 +76.92% 1
London - 5 £57,500 - 1

For the 6 months to 28 January 2021, IT jobs citing OpenSIPS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for OpenSIPS.

1 5 (100.00%) Linux
1 5 (100.00%) VoIP
1 5 (100.00%) Asterisk PBX
1 5 (100.00%) FreeSWITCH
1 5 (100.00%) Kamailio
1 5 (100.00%) WebRTC
2 4 (80.00%) Secure Coding
2 4 (80.00%) Functional Testing
2 4 (80.00%) Open Source
2 4 (80.00%) Debian
2 4 (80.00%) Agile Software Development
2 4 (80.00%) Lua
2 4 (80.00%) CentOS
2 4 (80.00%) Red Hat Enterprise Linux
2 4 (80.00%) Test Automation
2 4 (80.00%) AWS
2 4 (80.00%) Software Engineering
2 4 (80.00%) Media Streaming
2 4 (80.00%) RTP
2 4 (80.00%) C
2 4 (80.00%) C++
2 4 (80.00%) HTML
2 4 (80.00%) JavaScript
2 4 (80.00%) CSS
3 1 (20.00%) Internet
3 1 (20.00%) PBX
3 1 (20.00%) Firewall
3 1 (20.00%) Telecoms
3 1 (20.00%) Degree
3 1 (20.00%) Capacity Planning

OpenSIPS
Co-occurring 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:

Cloud Services
1 4 (80.00%) AWS
Communications & Networking
1 5 (100.00%) Asterisk PBX
1 5 (100.00%) VoIP
2 4 (80.00%) RTP
3 1 (20.00%) Firewall
3 1 (20.00%) Internet
3 1 (20.00%) PBX
General
1 1 (20.00%) Telecoms
Job Titles
1 5 (100.00%) VoIP Engineer
2 4 (80.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 5 (100.00%) FreeSWITCH
1 5 (100.00%) WebRTC
2 4 (80.00%) CSS
2 4 (80.00%) HTML
Miscellaneous
1 4 (80.00%) Media Streaming
Operating Systems
1 5 (100.00%) Linux
2 4 (80.00%) CentOS
2 4 (80.00%) Debian
2 4 (80.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 4 (80.00%) Agile Software Development
1 4 (80.00%) Functional Testing
1 4 (80.00%) Open Source
1 4 (80.00%) Secure Coding
1 4 (80.00%) Software Engineering
1 4 (80.00%) Test Automation
2 1 (20.00%) Capacity Planning
2 1 (20.00%) High Availability
Programming Languages
1 4 (80.00%) C
1 4 (80.00%) C++
1 4 (80.00%) JavaScript
1 4 (80.00%) Lua
Qualifications
1 1 (20.00%) Degree
System Software
1 5 (100.00%) Kamailio
Vendors
1 1 (20.00%) Sonus
1 1 (20.00%) Yealink