Period
to 22 November 2017

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 22 November 2017 with a comparison to the same period in the previous 2 years.

Kamailio (formerly OpenSER)
UK
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 1151 1200 1298
Rank change year-on-year +49 +98 +25
Permanent jobs citing Kamailio 31 25 11
As % of all permanent IT jobs advertised in the UK 0.017% 0.013% 0.005%
As % of the System Software category 0.13% 0.11% 0.045%
Number of salaries quoted 30 16 11
UK median annual salary £40,000 £35,000 £45,000
Median salary % change year-on-year +14.29% -22.22% +5.88%
10th Percentile £35,000 £32,500 £41,750
90th Percentile £68,750 £40,000 £76,250
UK excluding London median annual salary £40,000 £35,000 £43,500
% change year-on-year +14.29% -19.54% +2.35%

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 23324 23525 24433
As % of all permanent IT jobs advertised in the UK 12.91% 12.37% 11.32%
Number of salaries quoted 19513 19759 20382
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +1.53%
10th Percentile £23,750 £23,500 £22,500
90th Percentile £75,000 £72,500 £67,500
UK excluding London median annual salary £40,000 £37,500 £37,500
% change year-on-year +6.67% - +7.14%

Kamailio
Job Vacancy Trend

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

Job vacancy trend for Kamailio in the UK

Kamailio
Salary Trend

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

Salary trend for Kamailio in the UK

Kamailio
Salary Histogram

The salary distribution of IT jobs citing Kamailio over the 6 months to 22 November 2017.

Salary histogram for Kamailio in the UK

Kamailio
Top 6 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 22 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
England +24 31 £40,000 +14.29% 2
UK excluding London +43 23 £40,000 +14.29% 1
South East +52 22 £40,000 +14.29% 1
London +2 8 £67,500 +68.75% 1
North West - 1 - -
North of England - 1 - -

For the 6 months to 22 November 2017, IT jobs citing Kamailio 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 Kamailio.

1 31 (100.00%) Linux
2 30 (96.77%) VoIP
2 30 (96.77%) Telecoms
2 30 (96.77%) Bash Shell
3 23 (74.19%) RTP
4 22 (70.97%) WAN
4 22 (70.97%) Wireshark
4 22 (70.97%) Lua
4 22 (70.97%) CentOS
4 22 (70.97%) Open Source
5 9 (29.03%) FreeSWITCH
5 9 (29.03%) Git (software)
5 9 (29.03%) Python
6 8 (25.81%) MySQL
6 8 (25.81%) nginx
6 8 (25.81%) Configuration Management
6 8 (25.81%) Replication
6 8 (25.81%) Puppet
6 8 (25.81%) HAProxy
6 8 (25.81%) DevOps
6 8 (25.81%) LEMP Stack
7 7 (22.58%) Linux Command Line
7 7 (22.58%) BIND 9
7 7 (22.58%) PHP-FPM
7 7 (22.58%) Private Cloud
7 7 (22.58%) uWSGI
7 7 (22.58%) VMware ESXi
7 7 (22.58%) Confluence
7 7 (22.58%) MariaDB
7 7 (22.58%) WSGI

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:

Application Platforms
1 8 (25.81%) nginx
2 7 (22.58%) Confluence
2 7 (22.58%) uWSGI
3 2 (6.45%) Apache
4 1 (3.23%) IIS
4 1 (3.23%) Tomcat
Cloud Services
1 1 (3.23%) Amazon AWS
1 1 (3.23%) IBM Cloud
1 1 (3.23%) Microsoft Azure
1 1 (3.23%) Office 365
1 1 (3.23%) SoftLayer
Communications & Networking
1 30 (96.77%) VoIP
2 23 (74.19%) RTP
3 22 (70.97%) WAN
3 22 (70.97%) Wireshark
4 7 (22.58%) BGP
4 7 (22.58%) Cisco ASA
4 7 (22.58%) Cisco IOS
4 7 (22.58%) DNS
4 7 (22.58%) HTTP
4 7 (22.58%) SMTP
4 7 (22.58%) SNMP
4 7 (22.58%) SSL
4 7 (22.58%) VLAN
5 1 (3.23%) Asterisk PBX
5 1 (3.23%) Firewall
5 1 (3.23%) PBX
5 1 (3.23%) Reverse Proxy
5 1 (3.23%) TCP/IP
Database & Business Intelligence
1 8 (25.81%) MySQL
2 7 (22.58%) MariaDB
3 1 (3.23%) Amazon DynamoDB
3 1 (3.23%) Amazon Redshift
3 1 (3.23%) Couchbase
3 1 (3.23%) MongoDB
3 1 (3.23%) NoSQL
3 1 (3.23%) PostgreSQL
3 1 (3.23%) Redis
3 1 (3.23%) SQL Server
Development Applications
1 9 (29.03%) Git (software)
2 7 (22.58%) JIRA
2 7 (22.58%) Subversion
3 1 (3.23%) Team Foundation Server
3 1 (3.23%) Visual Studio Team System
General
1 30 (96.77%) Telecoms
2 1 (3.23%) Billing
Job Titles
1 8 (25.81%) DevOps Engineer
2 7 (22.58%) Senior DevOps
2 7 (22.58%) Senior DevOps Engineer
3 5 (16.13%) DevOps Systems Engineer
3 5 (16.13%) Linux DevOps Engineer
3 5 (16.13%) Linux Engineer
3 5 (16.13%) Linux Systems Engineer
3 5 (16.13%) Linux/Unix DevOps
3 5 (16.13%) Systems Engineer
4 4 (12.90%) Senior Linux Engineer
4 4 (12.90%) Senior Linux Systems Engineer
4 4 (12.90%) Senior Systems Engineer
5 2 (6.45%) Infrastructure Engineer
6 1 (3.23%) Cloud Engineer
6 1 (3.23%) Linux Scripter
6 1 (3.23%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 9 (29.03%) FreeSWITCH
2 8 (25.81%) LEMP Stack
3 7 (22.58%) Django
3 7 (22.58%) PHP-FPM
3 7 (22.58%) WSGI
4 1 (3.23%) CCXML
4 1 (3.23%) Elastic Stack
4 1 (3.23%) Kafka
4 1 (3.23%) LAMP
4 1 (3.23%) LAPP Stack
4 1 (3.23%) Memcached
4 1 (3.23%) VXML
Miscellaneous
1 8 (25.81%) Replication
2 7 (22.58%) Linux Command Line
2 7 (22.58%) Private Cloud
2 7 (22.58%) Wiki
3 1 (3.23%) Analytical Skills
3 1 (3.23%) Computer Science
3 1 (3.23%) Data Centre
Operating Systems
1 31 (100.00%) Linux
2 22 (70.97%) CentOS
3 7 (22.58%) Debian
3 7 (22.58%) Ubuntu
4 1 (3.23%) Windows
4 1 (3.23%) Windows Server
Processes & Methodologies
1 22 (70.97%) Open Source
2 8 (25.81%) Configuration Management
2 8 (25.81%) DevOps
3 7 (22.58%) BCP
3 7 (22.58%) Release Management
4 2 (6.45%) High Availability
5 1 (3.23%) Disaster Recovery
5 1 (3.23%) Load Balancing
Programming Languages
1 30 (96.77%) Bash Shell
2 22 (70.97%) Lua
3 9 (29.03%) Python
4 7 (22.58%) Perl
4 7 (22.58%) PHP
5 1 (3.23%) PowerShell
5 1 (3.23%) Ruby
5 1 (3.23%) Shell Script
5 1 (3.23%) SQL
Qualifications
1 1 (3.23%) Computer Science Degree
1 1 (3.23%) Degree
1 1 (3.23%) Master's Degree
System Software
1 7 (22.58%) BIND 9
1 7 (22.58%) Postfix
1 7 (22.58%) VMware ESXi
1 7 (22.58%) VMware Infrastructure
2 1 (3.23%) Active Directory
2 1 (3.23%) Apache ZooKeeper
2 1 (3.23%) Hyper-V
Systems Management
1 8 (25.81%) HAProxy
1 8 (25.81%) Puppet
2 7 (22.58%) Cacti
2 7 (22.58%) Munin
2 7 (22.58%) Nagios
3 1 (3.23%) Ansible
3 1 (3.23%) Consul
3 1 (3.23%) Grafana
3 1 (3.23%) Graphite
3 1 (3.23%) Icinga
3 1 (3.23%) Riemann
Vendors
1 7 (22.58%) Cisco
1 7 (22.58%) Dell
1 7 (22.58%) VMware
2 1 (3.23%) Microsoft
2 1 (3.23%) Rackspace
2 1 (3.23%) Sage