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 24 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Digium Asterisk
England / London
Rank 574 636 644
Rank change year-on-year +62 +8  
Permanent jobs citing Asterisk PBX 14 20 10
As % of all permanent IT jobs advertised in London 0.042% 0.048% 0.024%
As % of the Communications & Networking category 0.26% 0.30% 0.13%
Number of salaries quoted 11 20 10
Median salary £32,500 £45,000 £49,250
Median salary % change year-on-year -27.77% -8.62%  
90% offered a salary of more than £29,000 £35,400 £39,750
10% offered a salary of more than £50,000 £50,000 £61,000
UK excluding London median salary £47,500 £35,000 £40,000
% change year-on-year +35.71% -12.50%  

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 5295 6565 7571
As % of all permanent IT job vacancies advertised in London 15.74% 15.75% 18.05%
Number of salaries quoted 4480 5534 6319
Median salary £52,500 £51,500 £51,500
Median salary % change year-on-year +1.94% -  
90% offered a salary of more than £30,000 £31,000 £30,000
10% offered a salary of more than £75,000 £75,000 £72,500
UK excluding London median salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.65%  

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 24 March 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 24 March 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 - 5 £29,000 -
Croydon - 2 £50,000 -
Asterisk PBX
England

Asterisk PBX
Top 30 Related IT Skills in London

For the 6 months to 24 March 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 30 (71.43%) Linux
2 26 (61.90%) VoIP
2 26 (61.90%) Telecoms
3 20 (47.62%) MySQL
3 20 (47.62%) Nagios
4 18 (42.86%) PHP
5 17 (40.48%) Bash Shell
5 17 (40.48%) Data Centre
6 15 (35.71%) CentOS
7 14 (33.33%) VMware
8 13 (30.95%) Firewall
9 11 (26.19%) Perl
9 11 (26.19%) Windows
10 9 (21.43%) VPN
10 9 (21.43%) Cacti
11 8 (19.05%) Open Source
11 8 (19.05%) FreeSWITCH
11 8 (19.05%) LAMP
11 8 (19.05%) DNS
11 8 (19.05%) Apache
11 8 (19.05%) Cisco Certification
12 7 (16.67%) CCNP
12 7 (16.67%) VLAN
12 7 (16.67%) Git (software)
12 7 (16.67%) Windows Server
12 7 (16.67%) Virtual Machines
13 6 (14.29%) Linux Command Line
13 6 (14.29%) Windows 7
13 6 (14.29%) VMware ESXi
13 6 (14.29%) BroadSoft

Asterisk PBX
Top Related 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 8 (19.05%) Apache
2 5 (11.90%) IIS
3 2 (4.76%) nginx
3 2 (4.76%) Skype for Business
4 1 (2.38%) MS Exchange
Cloud Services
1 5 (11.90%) Amazon AWS
1 5 (11.90%) Amazon CloudWatch
2 1 (2.38%) Office 365
2 1 (2.38%) SaaS
Communications & Networking
1 26 (61.90%) VoIP
2 13 (30.95%) Firewall
3 9 (21.43%) VPN
4 8 (19.05%) DNS
5 7 (16.67%) VLAN
6 6 (14.29%) Broadband
7 5 (11.90%) 4G
7 5 (11.90%) DHCP
7 5 (11.90%) HSRP
7 5 (11.90%) TCP/IP
8 3 (7.14%) H.323
9 2 (4.76%) 3G
9 2 (4.76%) BGP
9 2 (4.76%) IPsec
9 2 (4.76%) Kerberos
9 2 (4.76%) OSPF
9 2 (4.76%) SMPP
9 2 (4.76%) SNMP
9 2 (4.76%) TCAP
9 2 (4.76%) Wi-Fi
Database & Business Intelligence
1 20 (47.62%) MySQL
2 5 (11.90%) SQL Server
3 2 (4.76%) MongoDB
3 2 (4.76%) Redis
4 1 (2.38%) Big Data
Development Applications
1 7 (16.67%) Git (software)
2 3 (7.14%) JIRA
3 1 (2.38%) Subversion
General
1 26 (61.90%) Telecoms
2 2 (4.76%) Marketing
Job Titles
1 18 (42.86%) Administrator
2 16 (38.10%) Systems Administrator
3 14 (33.33%) Linux Administrator
3 14 (33.33%) Linux Systems Administrator
4 11 (26.19%) VoIP Engineer
5 7 (16.67%) Support Engineer
5 7 (16.67%) VoIP Support Engineer
6 6 (14.29%) Network Administrator
6 6 (14.29%) Support Specialist
7 5 (11.90%) Systems Engineer
7 5 (11.90%) VoIP Specialist
8 3 (7.14%) Developer
8 3 (7.14%) IPTV Engineer
8 3 (7.14%) Video On Demand Engineer
9 2 (4.76%) Analyst
9 2 (4.76%) Applications Support
9 2 (4.76%) C# .NET Developer
9 2 (4.76%) Network Engineer
9 2 (4.76%) Software Developer
9 2 (4.76%) Support Analyst
Libraries, Frameworks & Software Standards
1 8 (19.05%) FreeSWITCH
1 8 (19.05%) LAMP
2 5 (11.90%) FFmpeg
3 2 (4.76%) .NET
3 2 (4.76%) 802.1X
3 2 (4.76%) LEMP Stack
3 2 (4.76%) Memcached
4 1 (2.38%) XML
Miscellaneous
1 17 (40.48%) Data Centre
2 6 (14.29%) Handset
2 6 (14.29%) Linux Command Line
3 5 (11.90%) Digital Media
3 5 (11.90%) Video on Demand
4 3 (7.14%) IPTV
4 3 (7.14%) Over-the-Top Content
5 1 (2.38%) Clustering
5 1 (2.38%) Internet of Things
5 1 (2.38%) Mobile App
Operating Systems
1 30 (71.43%) Linux
2 15 (35.71%) CentOS
3 11 (26.19%) Windows
4 7 (16.67%) Windows Server
5 6 (14.29%) Windows 7
6 5 (11.90%) Windows Server 2003
6 5 (11.90%) Windows Server 2008
6 5 (11.90%) Windows XP
7 1 (2.38%) Mac OS X
7 1 (2.38%) Windows 10
Processes & Methodologies
1 8 (19.05%) Open Source
2 4 (9.52%) Configuration Management
3 3 (7.14%) A/B Testing
3 3 (7.14%) DevOps
3 3 (7.14%) Migration
4 2 (4.76%) Business Intelligence
4 2 (4.76%) Continuous Deployment
4 2 (4.76%) Continuous Integration
4 2 (4.76%) CRM
4 2 (4.76%) Mentoring
4 2 (4.76%) Online Marketing
4 2 (4.76%) Presales
4 2 (4.76%) PRINCE2
4 2 (4.76%) Project Management
5 1 (2.38%) Analytics
5 1 (2.38%) Data Integration
5 1 (2.38%) Fault Management
5 1 (2.38%) Network Monitoring
Programming Languages
1 18 (42.86%) PHP
2 17 (40.48%) Bash Shell
3 11 (26.19%) Perl
4 4 (9.52%) C#
4 4 (9.52%) Python
5 3 (7.14%) JavaScript
5 3 (7.14%) SQL
6 2 (4.76%) C
6 2 (4.76%) C++
6 2 (4.76%) Java
6 2 (4.76%) PowerShell
Qualifications
1 8 (19.05%) Cisco Certification
2 7 (16.67%) CCNP
3 6 (14.29%) CCNA
4 2 (4.76%) CCIE
5 1 (2.38%) Degree
System Software
1 7 (16.67%) Virtual Machines
2 6 (14.29%) Active Directory
2 6 (14.29%) VMware ESXi
3 5 (11.90%) pfSense
4 3 (7.14%) Corosync
4 3 (7.14%) GlusterFS
4 3 (7.14%) NFS
4 3 (7.14%) VMware Infrastructure
5 2 (4.76%) Hyper-V
5 2 (4.76%) iptables
6 1 (2.38%) Docker
6 1 (2.38%) Kamailio
Systems Management
1 20 (47.62%) Nagios
2 9 (21.43%) Cacti
3 5 (11.90%) Graylog
3 5 (11.90%) Opscode Chef
4 4 (9.52%) CFEngine
4 4 (9.52%) Puppet
5 3 (7.14%) Ansible
5 3 (7.14%) Galera Cluster
5 3 (7.14%) HAProxy
5 3 (7.14%) logstash
5 3 (7.14%) Pacemaker
6 1 (2.38%) FortiGate
6 1 (2.38%) Kubernetes
Vendors
1 14 (33.33%) VMware
2 6 (14.29%) BroadSoft
3 5 (11.90%) Microsoft
4 4 (9.52%) Cisco
5 3 (7.14%) Red Hat
6 2 (4.76%) Avaya
6 2 (4.76%) CheckPoint
6 2 (4.76%) Dell
6 2 (4.76%) EMC
6 2 (4.76%) Salesforce.com