Period
to 19 February 2018

The following table provides summary statistics for permanent job vacancies 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 6 months to 19 February 2018 with a comparison to the same period in the previous 2 years.

Digium Asterisk
UK
6 months to
19 Feb 2018
Same period 2017 Same period 2016
Rank 1105 1077 1195
Rank change year-on-year -28 +118 +19
Permanent jobs citing Asterisk PBX 79 102 109
As % of all permanent IT jobs advertised in the UK 0.045% 0.059% 0.052%
As % of the Communications & Networking category 0.30% 0.35% 0.31%
Number of salaries quoted 68 103 102
UK median annual salary £52,500 £42,500 £45,000
Median salary % change year-on-year +23.53% -5.56% +20.00%
10th Percentile £27,500 £30,000 £25,000
90th Percentile £60,000 £55,000 £63,750
UK excluding London median annual salary £52,500 £47,500 £37,500
% change year-on-year +10.53% +26.67% -

Asterisk PBX is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 26,641 28,854 35,047
As % of all permanent IT jobs advertised in the UK 15.18% 16.64% 16.62%
Number of salaries quoted 21,509 23,436 29,073
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £26,000 £25,750 £25,000
90th Percentile £73,750 £72,500 £70,250
UK excluding London median annual salary £40,000 £40,000 £40,000

Asterisk PBX
Job Vacancy Trend

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

Job vacancy trend for Asterisk PBX in the UK

Asterisk PBX
Salary Trend

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

Salary trend for Asterisk PBX in the UK

Asterisk PBX
Salary Histogram

The salary distribution of IT jobs citing Asterisk PBX over the 6 months to 19 February 2018.

Salary histogram for Asterisk PBX in the UK

Asterisk PBX
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Asterisk PBX within the UK over the 6 months to 19 February 2018. 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 -23 79 £52,500 +23.53% 6
UK excluding London +24 67 £52,500 +10.53% 5
South East +39 40 £52,500 +5.00% 1
North of England -12 23 £36,000 -15.29% 3
North West -7 16 £52,500 +2.94% 3
London -46 12 £60,000 +50.00% 2
Yorkshire +12 5 £28,500 -28.75%
Midlands +8 3 £45,000 -10.00%
North East - 2 £32,500 -
East Midlands - 2 £50,000 -
East of England -1 1 £27,500 -
West Midlands -6 1 £23,000 -54.00%

For the 6 months to 19 February 2018, IT jobs citing Asterisk PBX 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 Asterisk PBX.

1 59 (74.68%) Linux
1 59 (74.68%) Telecoms
2 53 (67.09%) Cisco
3 46 (58.23%) PBX
4 42 (53.16%) RTP
5 38 (48.10%) Wireshark
6 36 (45.57%) VoIP
7 34 (43.04%) UMTS
7 34 (43.04%) GSM
7 34 (43.04%) OO
7 34 (43.04%) STL
7 34 (43.04%) C++
7 34 (43.04%) Subversion
7 34 (43.04%) GGSN
7 34 (43.04%) SGSN
7 34 (43.04%) Software Engineering
7 34 (43.04%) Multithreading
7 34 (43.04%) RANAP
7 34 (43.04%) MGW
7 34 (43.04%) LTE
7 34 (43.04%) Boost C++ Libraries
7 34 (43.04%) GCC
7 34 (43.04%) GDB
7 34 (43.04%) Trac
7 34 (43.04%) Diameter Protocol
7 34 (43.04%) Cross-Platform Development
8 19 (24.05%) Windows
9 18 (22.78%) Firewall
10 17 (21.52%) PHP
11 13 (16.46%) VLAN

Asterisk PBX
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 5 (6.33%) MS Exchange
2 4 (5.06%) Exchange Server 2010
3 3 (3.80%) Apache
3 3 (3.80%) IIS
4 1 (1.27%) nginx
4 1 (1.27%) Tomcat
Applications
1 1 (1.27%) Microsoft Office
Cloud Services
1 5 (6.33%) Office 365
2 2 (2.53%) Amazon AWS
3 1 (1.27%) IBM Cloud
3 1 (1.27%) SoftLayer
Communications & Networking
1 46 (58.23%) PBX
2 42 (53.16%) RTP
3 38 (48.10%) Wireshark
4 36 (45.57%) VoIP
5 34 (43.04%) Diameter Protocol
5 34 (43.04%) GGSN
5 34 (43.04%) GSM
5 34 (43.04%) LTE
5 34 (43.04%) MGW
5 34 (43.04%) RANAP
5 34 (43.04%) SGSN
5 34 (43.04%) UMTS
6 18 (22.78%) Firewall
7 13 (16.46%) VLAN
8 12 (15.19%) DNS
8 12 (15.19%) LAN
8 12 (15.19%) WAN
9 11 (13.92%) TCP/IP
9 11 (13.92%) VPN
10 10 (12.66%) IPv6
Database & Business Intelligence
1 9 (11.39%) MySQL
2 5 (6.33%) PostgreSQL
2 5 (6.33%) SQL Server
3 3 (3.80%) SQL Server 2000
3 3 (3.80%) SQL Server 2005
4 1 (1.27%) Amazon DynamoDB
4 1 (1.27%) Amazon Redshift
4 1 (1.27%) Couchbase
4 1 (1.27%) MongoDB
4 1 (1.27%) NoSQL
4 1 (1.27%) Redis
4 1 (1.27%) SQL Server 2012
4 1 (1.27%) SQL Server 2016
4 1 (1.27%) SQL Server Reporting Services
Development Applications
1 34 (43.04%) GCC
1 34 (43.04%) GDB
1 34 (43.04%) Subversion
1 34 (43.04%) Trac
2 7 (8.86%) Git (software)
3 2 (2.53%) JIRA
General
1 59 (74.68%) Telecoms
2 5 (6.33%) Billing
3 4 (5.06%) Finance
4 3 (3.80%) Marketing
5 2 (2.53%) Electronics
5 2 (2.53%) Manufacturing
Job Titles
1 34 (43.04%) C++ Software Engineer
1 34 (43.04%) Software Engineer
2 27 (34.18%) Telecoms Engineer
3 26 (32.91%) Telecoms Software Engineer
4 18 (22.78%) Network Engineer
5 17 (21.52%) Core Network Engineer
6 16 (20.25%) Linux Engineer
7 9 (11.39%) VoIP Engineer
8 8 (10.13%) Support Engineer
9 6 (7.59%) Architect
9 6 (7.59%) Designer
9 6 (7.59%) Network Designer
10 5 (6.33%) 2nd/3rd Line Support
10 5 (6.33%) 3rd Line Support
10 5 (6.33%) IT Support
11 4 (5.06%) Network Architect
11 4 (5.06%) Voice Architect
12 3 (3.80%) 3rd Line Support Engineer
12 3 (3.80%) Senior IT Support
12 3 (3.80%) Senior Support Engineer
Libraries, Frameworks & Software Standards
1 34 (43.04%) Boost C++ Libraries
1 34 (43.04%) STL
2 6 (7.59%) FreeSWITCH
3 5 (6.33%) Web Services
4 4 (5.06%) LAMP
5 3 (3.80%) LDAP
6 2 (2.53%) JTAPI
6 2 (2.53%) RFC 2833
6 2 (2.53%) TAPI
7 1 (1.27%) CCXML
7 1 (1.27%) Elastic Stack
7 1 (1.27%) Kafka
7 1 (1.27%) LEMP Stack
7 1 (1.27%) Memcached
7 1 (1.27%) VXML
Miscellaneous
1 8 (10.13%) Data Centre
2 5 (6.33%) Greenfield Project
3 2 (2.53%) Client/Server
3 2 (2.53%) Linux Command Line
4 1 (1.27%) Analytical Skills
4 1 (1.27%) Computer Science
4 1 (1.27%) Driving Licence
4 1 (1.27%) Handset
4 1 (1.27%) IVR
4 1 (1.27%) Video Conferencing
Operating Systems
1 59 (74.68%) Linux
2 19 (24.05%) Windows
3 13 (16.46%) Windows Server
3 13 (16.46%) Windows Server 2012
4 7 (8.86%) CentOS
5 5 (6.33%) Ubuntu
5 5 (6.33%) Windows Server 2008
6 2 (2.53%) Debian
6 2 (2.53%) Fedora
6 2 (2.53%) openSUSE
6 2 (2.53%) Windows 10
6 2 (2.53%) Windows 7
7 1 (1.27%) Windows 8
Processes & Methodologies
1 34 (43.04%) Cross-Platform Development
1 34 (43.04%) Multithreading
1 34 (43.04%) OO
1 34 (43.04%) Software Engineering
2 7 (8.86%) Configuration Management
2 7 (8.86%) Presales
3 6 (7.59%) ITIL
3 6 (7.59%) Network Management
4 5 (6.33%) Network Planning
4 5 (6.33%) OOP
4 5 (6.33%) Open Source
5 4 (5.06%) Customer-Centricity
5 4 (5.06%) Network Monitoring
5 4 (5.06%) Project Management
6 3 (3.80%) Analytics
6 3 (3.80%) Business Analysis
6 3 (3.80%) Disaster Recovery
6 3 (3.80%) ITIL V3
6 3 (3.80%) Problem Management
7 2 (2.53%) Digital Marketing
Programming Languages
1 34 (43.04%) C++
2 17 (21.52%) PHP
3 13 (16.46%) Python
4 12 (15.19%) Perl
4 12 (15.19%) SQL
5 7 (8.86%) Bash Shell
6 4 (5.06%) C
7 1 (1.27%) Ruby
Qualifications
1 4 (5.06%) Degree
2 3 (3.80%) Linux+ Certification
2 3 (3.80%) LPIC
2 3 (3.80%) RHCE
3 2 (2.53%) CCNA
3 2 (2.53%) Cisco Certification
4 1 (1.27%) Computer Science Degree
4 1 (1.27%) Master's Degree
Quality Assurance & Compliance
1 8 (10.13%) PCI DSS
2 4 (5.06%) ISO/IEC 27001
3 2 (2.53%) ISO 14001
3 2 (2.53%) ISO 9001
3 2 (2.53%) PA-DSS
3 2 (2.53%) SLA
4 1 (1.27%) GDPR
System Software
1 13 (16.46%) Active Directory
2 6 (7.59%) Kamailio
2 6 (7.59%) VMware Infrastructure
3 5 (6.33%) OpenSIPS
4 2 (2.53%) VMware ESXi
4 2 (2.53%) vSphere
5 1 (1.27%) Apache ZooKeeper
5 1 (1.27%) Hyper-V
5 1 (1.27%) iptables
Systems Management
1 7 (8.86%) Puppet
2 6 (7.59%) Cacti
2 6 (7.59%) Nagios
2 6 (7.59%) OpenNMS
2 6 (7.59%) RANCID
2 6 (7.59%) SCCM
2 6 (7.59%) SCOM
3 4 (5.06%) vCenter Server
4 1 (1.27%) Ansible
4 1 (1.27%) Backup Exec
4 1 (1.27%) Consul
4 1 (1.27%) Grafana
4 1 (1.27%) Graphite
4 1 (1.27%) HAProxy
4 1 (1.27%) Icinga
4 1 (1.27%) Riemann
Vendors
1 53 (67.09%) Cisco
2 12 (15.19%) Huawei
3 8 (10.13%) BroadSoft
3 8 (10.13%) Ericsson
3 8 (10.13%) Microsoft
3 8 (10.13%) VMware
4 7 (8.86%) HP
5 6 (7.59%) Brocade
5 6 (7.59%) Foundry
5 6 (7.59%) GENBAND
5 6 (7.59%) Juniper
5 6 (7.59%) Sonus
5 6 (7.59%) ZyXEL
6 5 (6.33%) Avaya
6 5 (6.33%) F5
7 2 (2.53%) Citrix
7 2 (2.53%) Dell
7 2 (2.53%) Hitachi
7 2 (2.53%) Red Hat
7 2 (2.53%) SAP