The following table provides summary statistics for permanent job vacancies advertised in Sheffield 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 25 June 2017 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
South Yorkshire / Sheffield
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 59 45 72
Rank change year-on-year -14 +27  
Permanent jobs citing VoIP 4 9 2
As % of all permanent IT jobs advertised in Sheffield 0.84% 1.83% 0.27%
As % of the Communications & Networking category 8.89% 9.57% 1.82%
Number of salaries quoted 3 7 2
Median salary £27,500 £31,500 £55,000
Median salary % change year-on-year -12.69% -42.72%  
UK excluding London median salary £38,000 £37,500 £39,500
% change year-on-year +1.33% -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 Sheffield with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Sheffield
Permanent job vacancies with a requirement for communications and computer networking skills 45 94 110
As % of all permanent IT job vacancies advertised in Sheffield 9.43% 19.14% 14.84%
Number of salaries quoted 38 79 101
Median salary £32,500 £38,000 £40,000
Median salary % change year-on-year -14.47% -5.00%  
90% offered a salary of more than £25,000 £25,000 £28,000
10% offered a salary of more than £55,000 £70,000 £55,000
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

VoIP
Job Vacancy Trend in Sheffield

The job posting trend of jobs advertised in Sheffield 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 Sheffield

VoIP
Salary Trend in Sheffield

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

Salary trend for VoIP in Sheffield

For the 6 months to 25 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 Sheffield region with a requirement for VoIP.

1 4 (66.67%) ITIL
1 4 (66.67%) Windows
1 4 (66.67%) Windows Server
2 3 (50.00%) Cisco Certification
2 3 (50.00%) Avaya
2 3 (50.00%) CCNA
2 3 (50.00%) Active Directory
2 3 (50.00%) ITIL V3
2 3 (50.00%) Driving Licence
3 2 (33.33%) ISO 13485
3 2 (33.33%) Data Centre
3 2 (33.33%) Technical Architecture
3 2 (33.33%) Citrix Presentation Server
3 2 (33.33%) Citrix
3 2 (33.33%) Terminal Server
3 2 (33.33%) LAN
3 2 (33.33%) ISO 14001
3 2 (33.33%) Firewall
3 2 (33.33%) Manufacturing
3 2 (33.33%) Microsoft
3 2 (33.33%) Virtual Environments
4 1 (16.67%) VMware
4 1 (16.67%) WAN
4 1 (16.67%) TCP/IP
4 1 (16.67%) SCADA

VoIP
Co-occurring IT Skills in Sheffield 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:

Communications & Networking
1 2 (33.33%) Firewall
1 2 (33.33%) LAN
2 1 (16.67%) TCP/IP
2 1 (16.67%) WAN
General
1 2 (33.33%) Manufacturing
Job Titles
1 2 (33.33%) Administrator
1 2 (33.33%) IT Administrator
1 2 (33.33%) Support Engineer
2 1 (16.67%) 2nd Line Engineer
2 1 (16.67%) 2nd Line Support
2 1 (16.67%) 2nd Line Support Engineer
2 1 (16.67%) Desktop Engineer
2 1 (16.67%) Desktop Support
2 1 (16.67%) Desktop Support Engineer
2 1 (16.67%) Infrastructure Engineer
2 1 (16.67%) Infrastructure Specialist
2 1 (16.67%) Manufacturing Engineer
2 1 (16.67%) Senior Data Warehouse Specialist
2 1 (16.67%) Senior Infrastructure Specialist
2 1 (16.67%) Server Engineer
2 1 (16.67%) Server Support
2 1 (16.67%) Server Support Engineer
Miscellaneous
1 3 (50.00%) Driving Licence
2 2 (33.33%) Data Centre
3 1 (16.67%) SCADA
Operating Systems
1 4 (66.67%) Windows
1 4 (66.67%) Windows Server
Processes & Methodologies
1 4 (66.67%) ITIL
2 3 (50.00%) ITIL V3
3 2 (33.33%) Technical Architecture
3 2 (33.33%) Virtual Environments
Qualifications
1 3 (50.00%) CCNA
1 3 (50.00%) Cisco Certification
Quality Assurance & Compliance
1 2 (33.33%) ISO 13485
1 2 (33.33%) ISO 14001
System Software
1 3 (50.00%) Active Directory
2 2 (33.33%) Citrix Presentation Server
2 2 (33.33%) Terminal Server
Vendors
1 3 (50.00%) Avaya
2 2 (33.33%) Citrix
2 2 (33.33%) Microsoft
3 1 (16.67%) VMware