Period
to 14 July 2020

The following table provides summary statistics for permanent job vacancies with a requirement for Kamailio skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Kamailio over the 6 months to 14 July 2020 with a comparison to the same period in the previous 2 years.

Kamailio (formerly OpenSER)
UK
6 months to
14 Jul 2020
Same period 2019 Same period 2018
Rank 786 1113 1203
Rank change year-on-year +327 +90 +14
Permanent jobs citing Kamailio 23 7 5
As % of all permanent jobs advertised in the UK 0.030% 0.005% 0.003%
As % of the System Software category 0.17% 0.028% 0.020%
Number of salaries quoted 40 12 5
Median annual salary £60,000 £61,000 £45,000
Median salary % change year-on-year -1.64% +35.56% +12.50%
10th Percentile £51,250 £58,000 £29,750
90th Percentile £67,875 £64,000 £68,750
UK excluding London median annual salary £65,000 £61,000 £40,000
% change year-on-year +6.56% +52.50% -

Kamailio 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 13,374 24,752 25,549
As % of all permanent IT jobs advertised in the UK 17.71% 16.96% 14.33%
Number of salaries quoted 10,946 20,311 20,655
Median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +10.47%
10th Percentile £28,000 £25,750 £25,000
90th Percentile £87,500 £85,000 £80,000
UK excluding London median annual salary £45,000 £42,500 £41,800
% change year-on-year +5.88% +1.67% +11.47%

Kamailio
Job Vacancy Trend

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

Job vacancy trend for Kamailio in the UK

Kamailio
Salary Trend

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

Salary trend for Kamailio in the UK

Kamailio
Salary Histogram

Salary distribution for jobs citing Kamailio over the 6 months to 14 July 2020.

Salary histogram for Kamailio in the UK

Kamailio
Top 7 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kamailio within the UK over the 6 months to 14 July 2020. 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 +288 21 £55,000 -9.84%
Work from Home +70 18 £55,000 -9.84%
London - 16 £55,000 -
UK excluding London +231 5 £65,000 +6.56%
South East +154 4 £65,000 +6.56%
East Midlands - 1 - -
Midlands - 1 - -

For the 6 months to 14 July 2020, IT jobs citing Kamailio 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 Kamailio.

1 23 (100.00%) VoIP
2 19 (82.61%) Asterisk PBX
2 19 (82.61%) Open Source
2 19 (82.61%) Linux
3 17 (73.91%) FreeSWITCH
4 12 (52.17%) DevOps
5 10 (43.48%) Telecoms
6 9 (39.13%) WebRTC
7 8 (34.78%) DNS
8 7 (30.43%) Python
8 7 (30.43%) MySQL
8 7 (30.43%) Bash Shell
8 7 (30.43%) Linux Command Line
8 7 (30.43%) Kubernetes
8 7 (30.43%) Docker
9 6 (26.09%) Wireshark
9 6 (26.09%) CentOS
9 6 (26.09%) NoSQL
9 6 (26.09%) REST
9 6 (26.09%) High Availability
9 6 (26.09%) TCP/IP
9 6 (26.09%) RTP
10 4 (17.39%) Analytical Skills
10 4 (17.39%) Unified Communications
11 2 (8.70%) GENBAND
11 2 (8.70%) Sonus
11 2 (8.70%) BroadSoft
11 2 (8.70%) STUN
12 1 (4.35%) RabbitMQ
12 1 (4.35%) Git (software)

Kamailio
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 1 (4.35%) Amazon ECS
1 1 (4.35%) Amazon S3
1 1 (4.35%) AWS
1 1 (4.35%) AWS Lambda
1 1 (4.35%) Serverless
Communications & Networking
1 23 (100.00%) VoIP
2 19 (82.61%) Asterisk PBX
3 8 (34.78%) DNS
4 6 (26.09%) RTP
4 6 (26.09%) TCP/IP
4 6 (26.09%) Wireshark
5 4 (17.39%) Unified Communications
6 2 (8.70%) STUN
7 1 (4.35%) CTI
Database & Business Intelligence
1 7 (30.43%) MySQL
2 6 (26.09%) NoSQL
3 1 (4.35%) Amazon DynamoDB
Development Applications
1 1 (4.35%) Git (software)
General
1 10 (43.48%) Telecoms
Job Titles
1 22 (95.65%) VoIP Engineer
2 12 (52.17%) DevOps Engineer
3 10 (43.48%) Asterisk Engineer
4 4 (17.39%) Open Source Engineer
5 2 (8.70%) Applications Engineer
5 2 (8.70%) Design Engineer
6 1 (4.35%) C++ Developer
6 1 (4.35%) Developer
Libraries, Frameworks & Software Standards
1 17 (73.91%) FreeSWITCH
2 9 (39.13%) WebRTC
3 6 (26.09%) REST
4 1 (4.35%) ActiveMQ
4 1 (4.35%) LAMP
4 1 (4.35%) RabbitMQ
4 1 (4.35%) Web Services
Miscellaneous
1 7 (30.43%) Linux Command Line
2 4 (17.39%) Analytical Skills
3 1 (4.35%) Self-Motivation
Operating Systems
1 19 (82.61%) Linux
2 6 (26.09%) CentOS
Processes & Methodologies
1 19 (82.61%) Open Source
2 12 (52.17%) DevOps
3 6 (26.09%) High Availability
4 1 (4.35%) CRM
4 1 (4.35%) Infrastructure as Code
4 1 (4.35%) Software Architecture
4 1 (4.35%) Test Automation
Programming Languages
1 7 (30.43%) Bash Shell
1 7 (30.43%) Python
2 1 (4.35%) C#
2 1 (4.35%) C++
2 1 (4.35%) SQL
System Software
1 7 (30.43%) Docker
Systems Management
1 7 (30.43%) Kubernetes
2 1 (4.35%) Ansible
2 1 (4.35%) Opscode Chef
2 1 (4.35%) Terraform
Vendors
1 2 (8.70%) BroadSoft
1 2 (8.70%) GENBAND
1 2 (8.70%) Sonus
2 1 (4.35%) SaltStack