The following table provides summary statistics for permanent job vacancies advertised in Cardiff with a requirement for VoIP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited VoIP over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
South Wales / Cardiff
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 59 65 73
Rank change year-on-year +6 +8  
Permanent jobs citing VoIP 2 7 2
As % of all permanent IT jobs advertised in Cardiff 0.40% 1.02% 0.26%
As % of the Communications & Networking category 3.08% 5.56% 1.28%
Number of salaries quoted 2 7 2
Median salary £42,500 £36,477 £32,500
Median salary % change year-on-year +16.51% +12.23%  
UK excluding London median salary £38,250 £37,500 £39,500
% change year-on-year +2.00% -5.06%  

VoIP 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 Cardiff with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Cardiff
Permanent job vacancies with a requirement for communications and computer networking skills 65 126 156
As % of all permanent IT job vacancies advertised in Cardiff 13.03% 18.42% 20.42%
Number of salaries quoted 61 114 131
Median salary £34,000 £35,000 £38,500
Median salary % change year-on-year -2.85% -9.09%  
90% offered a salary of more than £28,500 £25,700 £26,600
10% offered a salary of more than £50,000 £55,000 £50,000
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

VoIP
Job Vacancy Trend in Cardiff

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

Job vacancy trend for VoIP in Cardiff

VoIP
Salary Trend in Cardiff

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

Salary trend for VoIP in Cardiff

For the 6 months to 26 June 2017, IT jobs citing VoIP 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 Cardiff region with a requirement for VoIP.

1 7 (77.78%) TCP/IP
2 6 (66.67%) Linux
2 6 (66.67%) MySQL
2 6 (66.67%) Cisco
3 5 (55.56%) Firewall
4 4 (44.44%) Debian
4 4 (44.44%) PostgreSQL
4 4 (44.44%) Ubuntu
4 4 (44.44%) Brocade
4 4 (44.44%) Wireshark
4 4 (44.44%) SonicWALL
4 4 (44.44%) Microsoft
4 4 (44.44%) Red Hat
4 4 (44.44%) MPLS
4 4 (44.44%) RTP
4 4 (44.44%) Oracle
4 4 (44.44%) Java
4 4 (44.44%) Windows
4 4 (44.44%) Python
4 4 (44.44%) PBX
4 4 (44.44%) Acme Packet
4 4 (44.44%) CentOS
4 4 (44.44%) Network Monitoring
5 3 (33.33%) Telecoms
6 2 (22.22%) Ethernet
6 2 (22.22%) Computer Science
6 2 (22.22%) VMware
6 2 (22.22%) VPN
6 2 (22.22%) C#
6 2 (22.22%) PHP

VoIP
Co-occurring IT Skills in Cardiff 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:

Applications
1 2 (22.22%) Microsoft Office
2 1 (11.11%) MS Visio
Communications & Networking
1 7 (77.78%) TCP/IP
2 5 (55.56%) Firewall
3 4 (44.44%) MPLS
3 4 (44.44%) PBX
3 4 (44.44%) RTP
3 4 (44.44%) Wireshark
4 2 (22.22%) Ethernet
4 2 (22.22%) VPN
5 1 (11.11%) Cisco ASA
5 1 (11.11%) Cisco IPT
5 1 (11.11%) EIGRP
5 1 (11.11%) H.323
5 1 (11.11%) Internet
5 1 (11.11%) LAN
5 1 (11.11%) MGCP
5 1 (11.11%) Network Security
5 1 (11.11%) SAN
5 1 (11.11%) SSL
5 1 (11.11%) VLAN
5 1 (11.11%) WAN
Database & Business Intelligence
1 6 (66.67%) MySQL
2 4 (44.44%) PostgreSQL
General
1 3 (33.33%) Telecoms
Job Titles
1 4 (44.44%) Systems Engineer
2 2 (22.22%) Developer
2 2 (22.22%) IT Engineer
2 2 (22.22%) IT Support
2 2 (22.22%) IT Support Engineer
2 2 (22.22%) Support Engineer
2 2 (22.22%) Systems Developer
3 1 (11.11%) Network Engineer
3 1 (11.11%) Senior IT Engineer
3 1 (11.11%) Senior IT Support
3 1 (11.11%) Senior Support Engineer
Libraries, Frameworks & Software Standards
1 2 (22.22%) .NET
1 2 (22.22%) ASP.NET
1 2 (22.22%) Web Services
Miscellaneous
1 2 (22.22%) Computer Science
2 1 (11.11%) IVR
2 1 (11.11%) Management Information System
Operating Systems
1 6 (66.67%) Linux
2 4 (44.44%) CentOS
2 4 (44.44%) Debian
2 4 (44.44%) Ubuntu
2 4 (44.44%) Windows
3 1 (11.11%) Windows Server
3 1 (11.11%) Windows Server 2008
3 1 (11.11%) Windows Server 2012
Processes & Methodologies
1 4 (44.44%) Network Monitoring
2 2 (22.22%) DevOps
2 2 (22.22%) ITIL
3 1 (11.11%) Capacity Planning
3 1 (11.11%) Disaster Recovery
3 1 (11.11%) Mentoring
3 1 (11.11%) PRINCE2
3 1 (11.11%) Service Delivery
Programming Languages
1 4 (44.44%) Java
1 4 (44.44%) Python
2 2 (22.22%) C#
2 2 (22.22%) PHP
Qualifications
1 2 (22.22%) Computer Science Degree
1 2 (22.22%) Degree
2 1 (11.11%) CCNA
2 1 (11.11%) CCNP
2 1 (11.11%) Cisco Certification
2 1 (11.11%) SC Cleared
2 1 (11.11%) Security Cleared
System Software
1 1 (11.11%) Active Directory
1 1 (11.11%) Hyper-V
1 1 (11.11%) VMware Infrastructure
Systems Management
1 1 (11.11%) Cisco CUCM
1 1 (11.11%) Cisco UCCE
1 1 (11.11%) Cisco UCCX
Vendors
1 6 (66.67%) Cisco
2 4 (44.44%) Acme Packet
2 4 (44.44%) Brocade
2 4 (44.44%) Microsoft
2 4 (44.44%) Oracle
2 4 (44.44%) Red Hat
2 4 (44.44%) SonicWALL
3 2 (22.22%) VMware
4 1 (11.11%) Aruba
4 1 (11.11%) CheckPoint
4 1 (11.11%) Juniper