The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Asterisk PBX skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Asterisk PBX over the 3 months to 22 June 2017 with a comparison to the same period in the previous 2 years.

Digium Asterisk
England / London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 602 622 662
Rank change year-on-year +20 +40  
Permanent jobs citing Asterisk PBX 12 26 13
As % of all permanent IT jobs advertised in London 0.033% 0.065% 0.029%
As % of the Communications & Networking category 0.21% 0.40% 0.18%
Number of salaries quoted 12 26 13
Median salary £32,500 £46,500 £40,000
Median salary % change year-on-year -30.10% +16.25%  
UK excluding London median salary £44,000 £45,000 £50,000
% change year-on-year -2.22% -10.00%  

Asterisk PBX is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
London
Permanent job vacancies with a requirement for communications and computer networking skills 5827 6424 7264
As % of all permanent IT job vacancies advertised in London 15.97% 15.98% 16.16%
Number of salaries quoted 4805 5554 6167
Median salary £55,000 £55,000 £50,000
Median salary % change year-on-year - +10.00%  
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £75,000 £75,000 £75,000
UK excluding London median salary £42,500 £42,500 £42,500

Asterisk PBX
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Asterisk PBX as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for Asterisk PBX in London

Asterisk PBX
Salary Trend in London

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

Salary trend for Asterisk PBX in London

Asterisk PBX
Salary Histogram in London

The salary distribution of IT jobs citing Asterisk PBX in London over the 3 months to 22 June 2017.

Salary histogram for Asterisk PBX in London

Asterisk PBX
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Asterisk PBX within the London region over the 3 months to 22 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Romford - 10 £32,500 -
Asterisk PBX
England

For the 6 months to 22 June 2017, IT jobs citing Asterisk PBX 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 London region with a requirement for Asterisk PBX.

1 20 (80.00%) Telecoms
2 17 (68.00%) VoIP
3 14 (56.00%) Broadband
3 14 (56.00%) Handset
3 14 (56.00%) BroadSoft
4 7 (28.00%) Linux
5 6 (24.00%) Git (software)
5 6 (24.00%) FreeSWITCH
5 6 (24.00%) Open Source
6 4 (16.00%) Cacti
6 4 (16.00%) DevOps
6 4 (16.00%) Nagios
7 3 (12.00%) Firewall
7 3 (12.00%) VMware
7 3 (12.00%) Continuous Integration
7 3 (12.00%) H.323
7 3 (12.00%) VPN
7 3 (12.00%) Python
7 3 (12.00%) Perl
7 3 (12.00%) PHP
7 3 (12.00%) MySQL
7 3 (12.00%) Opscode Chef
7 3 (12.00%) Amazon AWS
7 3 (12.00%) 4G
7 3 (12.00%) Puppet
7 3 (12.00%) Data Centre
7 3 (12.00%) User Experience
7 3 (12.00%) A/B Testing
8 2 (8.00%) Continuous Deployment
8 2 (8.00%) Bash Shell

Asterisk PBX
Co-occurring IT Skills in London 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 1 (4.00%) Apache
1 1 (4.00%) IIS
1 1 (4.00%) Tomcat
Cloud Services
1 3 (12.00%) Amazon AWS
2 1 (4.00%) Amazon CloudWatch
2 1 (4.00%) Amazon EC2
2 1 (4.00%) Amazon ELB
2 1 (4.00%) Amazon S3
2 1 (4.00%) Microsoft Azure
2 1 (4.00%) Office 365
2 1 (4.00%) SaaS
Communications & Networking
1 17 (68.00%) VoIP
2 14 (56.00%) Broadband
3 3 (12.00%) 4G
3 3 (12.00%) Firewall
3 3 (12.00%) H.323
3 3 (12.00%) VPN
4 2 (8.00%) Internet
5 1 (4.00%) DHCP
5 1 (4.00%) DNS
5 1 (4.00%) GSM
5 1 (4.00%) HSRP
5 1 (4.00%) LTE
5 1 (4.00%) PSTN
5 1 (4.00%) TCP/IP
5 1 (4.00%) VLAN
5 1 (4.00%) Wireshark
Database & Business Intelligence
1 3 (12.00%) MySQL
2 1 (4.00%) Big Data
2 1 (4.00%) InfluxDB
2 1 (4.00%) SQL Server
Development Applications
1 6 (24.00%) Git (software)
2 1 (4.00%) Jenkins
2 1 (4.00%) JIRA
2 1 (4.00%) Maven
2 1 (4.00%) Subversion
General
1 20 (80.00%) Telecoms
Job Titles
1 13 (52.00%) Support Engineer
2 9 (36.00%) VoIP Engineer
3 7 (28.00%) Asterisk Engineer
3 7 (28.00%) Support Specialist
3 7 (28.00%) Telecoms Engineer
3 7 (28.00%) Telecoms Support Engineer
3 7 (28.00%) VoIP Specialist
4 6 (24.00%) VoIP Support Engineer
5 4 (16.00%) Administrator
6 2 (8.00%) Development Engineer
6 2 (8.00%) Linux Administrator
6 2 (8.00%) Linux Systems Administrator
6 2 (8.00%) Nagios Administrator
6 2 (8.00%) Systems Administrator
7 1 (4.00%) AWS DevOps
7 1 (4.00%) AWS DevOps Engineer
7 1 (4.00%) Azure DevOps
7 1 (4.00%) Azure Engineer
7 1 (4.00%) SQL Analyst
7 1 (4.00%) SQL Support Analyst
Libraries, Frameworks & Software Standards
1 6 (24.00%) FreeSWITCH
2 1 (4.00%) FFmpeg
2 1 (4.00%) LAMP
2 1 (4.00%) Sensu
Miscellaneous
1 14 (56.00%) Handset
2 3 (12.00%) Data Centre
2 3 (12.00%) User Experience
3 1 (4.00%) Digital Media
3 1 (4.00%) Fintech
3 1 (4.00%) Internet of Things
3 1 (4.00%) Linux Command Line
3 1 (4.00%) Mobile App
3 1 (4.00%) Video on Demand
Operating Systems
1 7 (28.00%) Linux
2 2 (8.00%) CentOS
2 2 (8.00%) Windows
2 2 (8.00%) Windows 7
3 1 (4.00%) Mac OS X
3 1 (4.00%) VMS
3 1 (4.00%) Windows 10
3 1 (4.00%) Windows Server
3 1 (4.00%) Windows Server 2003
3 1 (4.00%) Windows Server 2008
3 1 (4.00%) Windows XP
Processes & Methodologies
1 6 (24.00%) Open Source
2 4 (16.00%) DevOps
3 3 (12.00%) A/B Testing
3 3 (12.00%) Continuous Integration
4 2 (8.00%) Configuration Management
4 2 (8.00%) Continuous Deployment
5 1 (4.00%) Analytics
5 1 (4.00%) CRM
5 1 (4.00%) Data Integration
5 1 (4.00%) Hardware Maintenance
5 1 (4.00%) Network Management
5 1 (4.00%) People Management
5 1 (4.00%) Presales
5 1 (4.00%) PRINCE2
5 1 (4.00%) Project Management
5 1 (4.00%) Task Automation
Programming Languages
1 3 (12.00%) Perl
1 3 (12.00%) PHP
1 3 (12.00%) Python
2 2 (8.00%) Bash Shell
2 2 (8.00%) C#
2 2 (8.00%) Java
2 2 (8.00%) SQL
3 1 (4.00%) Erlang
3 1 (4.00%) JavaScript
3 1 (4.00%) Ruby
Qualifications
1 1 (4.00%) CCNA
1 1 (4.00%) CCNP
1 1 (4.00%) Cisco Certification
1 1 (4.00%) Degree
System Software
1 2 (8.00%) Active Directory
1 2 (8.00%) Docker
2 1 (4.00%) iptables
2 1 (4.00%) pfSense
2 1 (4.00%) Snort
2 1 (4.00%) Virtual Machines
2 1 (4.00%) VMware ESXi
Systems Management
1 4 (16.00%) Cacti
1 4 (16.00%) Nagios
2 3 (12.00%) Opscode Chef
2 3 (12.00%) Puppet
3 2 (8.00%) CFEngine
4 1 (4.00%) FortiGate
4 1 (4.00%) Grafana
4 1 (4.00%) Graphite
4 1 (4.00%) Graylog
4 1 (4.00%) Kubernetes
4 1 (4.00%) Munin
4 1 (4.00%) Prometheus
4 1 (4.00%) Salt
4 1 (4.00%) Terraform
Vendors
1 14 (56.00%) BroadSoft
2 3 (12.00%) VMware
3 1 (4.00%) Microsoft
3 1 (4.00%) Salesforce.com