The following table provides summary statistics for permanent job vacancies advertised in Oxford 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 27 June 2017 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
Oxfordshire / Oxford
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 72 75 65
Rank change year-on-year +3 -10  
Permanent jobs citing VoIP 5 10 14
As % of all permanent IT jobs advertised in Oxford 0.71% 1.35% 1.76%
As % of the Communications & Networking category 4.81% 11.11% 9.52%
Number of salaries quoted 3 5 12
Median salary £47,500 £37,000 £64,000
Median salary % change year-on-year +28.37% -42.18%  
90% offered a salary of more than £45,500 £31,600 £26,000
10% offered a salary of more than £49,500 £45,200 £67,500
UK excluding London median salary £38,000 £37,500 £39,250
% change year-on-year +1.33% -4.45%  

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 Oxford with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Oxford
Permanent job vacancies with a requirement for communications and computer networking skills 104 90 147
As % of all permanent IT job vacancies advertised in Oxford 14.77% 12.15% 18.47%
Number of salaries quoted 72 72 140
Median salary £50,000 £42,500 £45,000
Median salary % change year-on-year +17.64% -5.55%  
90% offered a salary of more than £35,000 £23,000 £26,000
10% offered a salary of more than £62,250 £64,000 £55,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

VoIP
Job Vacancy Trend in Oxford

The job posting trend of jobs advertised in Oxford 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 Oxford

VoIP
Salary Trend in Oxford

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

Salary trend for VoIP in Oxford

For the 6 months to 27 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 Oxford region with a requirement for VoIP.

1 11 (84.62%) VPN
2 10 (76.92%) Cisco
3 9 (69.23%) WAN
4 8 (61.54%) OSPF
4 8 (61.54%) BGP
4 8 (61.54%) EIGRP
4 8 (61.54%) HSRP
5 7 (53.85%) High Availability
5 7 (53.85%) MPLS
5 7 (53.85%) IPsec
5 7 (53.85%) VRRP
5 7 (53.85%) Ethernet
6 6 (46.15%) Windows
6 6 (46.15%) Juniper
6 6 (46.15%) Firewall
7 5 (38.46%) Windows Server 2008
7 5 (38.46%) Active Directory
7 5 (38.46%) Microsoft
7 5 (38.46%) Windows Server 2012
8 4 (30.77%) LAN
9 3 (23.08%) SQL Server
9 3 (23.08%) CheckPoint
9 3 (23.08%) Hyper-V
9 3 (23.08%) Computer Science
9 3 (23.08%) TCP/IP
9 3 (23.08%) VMware
9 3 (23.08%) Infrastructure Management
9 3 (23.08%) VLAN
9 3 (23.08%) Palo Alto
10 2 (15.38%) Windows Server

VoIP
Co-occurring IT Skills in Oxford 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:

Cloud Services
1 2 (15.38%) Amazon AWS
1 2 (15.38%) Microsoft Azure
Communications & Networking
1 11 (84.62%) VPN
2 9 (69.23%) WAN
3 8 (61.54%) BGP
3 8 (61.54%) EIGRP
3 8 (61.54%) HSRP
3 8 (61.54%) OSPF
4 7 (53.85%) Ethernet
4 7 (53.85%) IPsec
4 7 (53.85%) MPLS
4 7 (53.85%) VRRP
5 6 (46.15%) Firewall
6 4 (30.77%) LAN
7 3 (23.08%) TCP/IP
7 3 (23.08%) VLAN
8 2 (15.38%) Cisco IOS
8 2 (15.38%) DHCP
8 2 (15.38%) DNS
8 2 (15.38%) Intrusion Detection
8 2 (15.38%) Network Security
8 2 (15.38%) SAN
Database & Business Intelligence
1 3 (23.08%) SQL Server
Job Titles
1 8 (61.54%) Network Engineer
2 3 (23.08%) Systems Engineer
3 2 (15.38%) AWS Engineer
3 2 (15.38%) Infrastructure Engineer
3 2 (15.38%) LAN Engineer
3 2 (15.38%) LAN/WAN Engineer
3 2 (15.38%) Network Security Engineer
3 2 (15.38%) Security Engineer
3 2 (15.38%) WAN Engineer
4 1 (7.69%) Analyst
4 1 (7.69%) Infrastructure Analyst
Libraries, Frameworks & Software Standards
1 2 (15.38%) Web Services
Miscellaneous
1 3 (23.08%) Computer Science
2 2 (15.38%) Video Conferencing
3 1 (7.69%) Data Centre
3 1 (7.69%) Public Cloud
Operating Systems
1 6 (46.15%) Windows
2 5 (38.46%) Windows Server 2008
2 5 (38.46%) Windows Server 2012
3 2 (15.38%) Linux
3 2 (15.38%) Windows Server
4 1 (7.69%) VMS
Processes & Methodologies
1 7 (53.85%) High Availability
2 3 (23.08%) Infrastructure Management
3 2 (15.38%) Change Management
3 2 (15.38%) ITIL
3 2 (15.38%) Kalman Filter
3 2 (15.38%) Mentoring
3 2 (15.38%) Network Architecture
3 2 (15.38%) Network Management
3 2 (15.38%) Problem Management
3 2 (15.38%) Service Design
3 2 (15.38%) Time Management
3 2 (15.38%) Web Filtering
4 1 (7.69%) Biometrics
4 1 (7.69%) Load Balancing
Programming Languages
1 2 (15.38%) C
1 2 (15.38%) C++
1 2 (15.38%) Java
1 2 (15.38%) Perl
1 2 (15.38%) Python
1 2 (15.38%) Ruby
Qualifications
1 2 (15.38%) Computer Science Degree
1 2 (15.38%) Degree
2 1 (7.69%) CCIE
2 1 (7.69%) CCMSE
2 1 (7.69%) CCNP
2 1 (7.69%) CCSA
2 1 (7.69%) CCSE
2 1 (7.69%) Cisco Certification
2 1 (7.69%) JNCIE
Quality Assurance & Compliance
1 2 (15.38%) PMO
System Software
1 5 (38.46%) Active Directory
2 3 (23.08%) Hyper-V
3 2 (15.38%) Virtual Machines
3 2 (15.38%) VMware ESXi
3 2 (15.38%) VMware Infrastructure
3 2 (15.38%) vSphere
Systems Management
1 2 (15.38%) Nagios
1 2 (15.38%) SCOM
Vendors
1 10 (76.92%) Cisco
2 6 (46.15%) Juniper
3 5 (38.46%) Microsoft
4 3 (23.08%) CheckPoint
4 3 (23.08%) Palo Alto
4 3 (23.08%) VMware
5 2 (15.38%) SolarWinds
6 1 (7.69%) CA
6 1 (7.69%) F5
6 1 (7.69%) Fortinet
6 1 (7.69%) HP