The table below looks at the statistics for VoIP skills in IT jobs advertised for the City of London region. Included is a guide to the salaries offered in IT jobs that have cited VoIP over the 3 months to 17 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
17 Jan 2017
Same period 2016 Same period 2015
Voice Over IP (VoIP)
London / City of London
Rank 173 182 161
Rank change year-on-year
+9 -21
Permanent jobs citing VoIP 55 77 152
As % of all permanent IT jobs located in the City of London 1.10% 1.21% 1.52%
As % of the Communications & Networking category 6.24% 8.06% 8.60%
Number of salaries quoted 51 75 140
Median salary £47,500 £50,000 £52,500
Median salary % change year-on-year
-5.00% -4.76%
90% offered a salary of more than £25,000 £30,000 £25,500
10% offered a salary of more than £77,500 £75,000 £65,250
UK excluding London median salary £37,500 £38,500 £35,000
% change year-on-year
-2.59% +10.00%

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised in the City of London region.

Communications & Networking Category
City of London
Permanent IT job ads with a match in the
Communications & Networking category
882 955 1768
As % of all permanent IT jobs located in the City of London 17.57% 15.00% 17.64%
Number of salaries quoted 794 836 1531
Median salary £52,500 £50,000 £50,000
Median salary % change year-on-year
+5.00% -
90% offered a salary of more than £26,000 £31,500 £30,500
10% offered a salary of more than £77,500 £70,000 £77,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

VoIP
Jobs Demand Trend in the City of London

The demand trend of job ads across the City of London region citing VoIP as a proportion of all IT jobs with a match in the Communications & Networking category.

VoIP Jobs Demand Trend in the City of London

VoIP
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing VoIP across the City of London region.

VoIP Salary Trend in the City of London

VoIP
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing VoIP across the City of London region over the 3 months to 17 January 2017.

VoIP Salary Histogram in the City of London

VoIP
Top 30 Related IT Skills in the City of London

For the 6 months to 17 January 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 City of London region with a requirement for VoIP.

1 63 (55.26%) Firewall
2 55 (48.25%) Windows
2 55 (48.25%) Cisco
3 49 (42.98%) Microsoft
4 47 (41.23%) Active Directory
5 46 (40.35%) VMware
6 39 (34.21%) VMware Infrastructure
7 36 (31.58%) WAN
7 36 (31.58%) Windows Server
8 33 (28.95%) LAN
9 31 (27.19%) SQL
9 31 (27.19%) DNS
10 27 (23.68%) DHCP
11 26 (22.81%) Mitel
12 25 (21.93%) MPLS
13 22 (19.30%) Wi-Fi
13 22 (19.30%) Disaster Recovery
13 22 (19.30%) Linux
14 21 (18.42%) VPN
15 20 (17.54%) Citrix
15 20 (17.54%) Cisco Certification
16 19 (16.67%) MS Exchange
16 19 (16.67%) Retail
17 18 (15.79%) Penetration Testing
17 18 (15.79%) Business Continuity
17 18 (15.79%) Cisco ASA
17 18 (15.79%) Oracle
17 18 (15.79%) SAN
17 18 (15.79%) BMC
17 18 (15.79%) VMware ESX

VoIP
Top Related IT Skills in the City of 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 19 (16.67%) MS Exchange
2 18 (15.79%) Skype for Business
3 10 (8.77%) Exchange Server 2007
3 10 (8.77%) IIS
4 5 (4.39%) Exchange Server 2010
5 4 (3.51%) Exchange Server 2013
6 3 (2.63%) SharePoint
7 2 (1.75%) Blackberry Enterprise Server
7 2 (1.75%) Exchange Server 2003
7 2 (1.75%) SharePoint Server
8 1 (0.88%) Apache
8 1 (0.88%) CMS
Applications
1 17 (14.91%) MS Office
2 9 (7.89%) MS Excel
3 1 (0.88%) 3ds Max
3 1 (0.88%) AutoCAD
3 1 (0.88%) MS PowerPoint
3 1 (0.88%) MS Visio
3 1 (0.88%) Revit
Cloud Services
1 18 (15.79%) IBM Cloud
2 14 (12.28%) Amazon AWS
3 9 (7.89%) Office 365
4 3 (2.63%) SaaS
5 2 (1.75%) Microsoft Azure
6 1 (0.88%) AdWords
6 1 (0.88%) Google Analytics
6 1 (0.88%) Mimecast
Communications & Networking
1 63 (55.26%) Firewall
2 36 (31.58%) WAN
3 33 (28.95%) LAN
4 31 (27.19%) DNS
5 27 (23.68%) DHCP
6 25 (21.93%) MPLS
7 22 (19.30%) Wi-Fi
8 21 (18.42%) VPN
9 18 (15.79%) 4G
9 18 (15.79%) Cisco ASA
9 18 (15.79%) SAN
10 13 (11.40%) TCP/IP
10 13 (11.40%) Unified Communications
11 9 (7.89%) ADSL
11 9 (7.89%) DSL
12 7 (6.14%) BGP
12 7 (6.14%) OSPF
12 7 (6.14%) Skype
12 7 (6.14%) Wireless
13 6 (5.26%) ISDN
Database & Business Intelligence
1 11 (9.65%) SQL Server
General
1 19 (16.67%) Retail
2 18 (15.79%) Finance
3 9 (7.89%) Turkish Language
4 8 (7.02%) Marketing
4 8 (7.02%) Telecoms
5 6 (5.26%) Law
6 3 (2.63%) Banking
7 2 (1.75%) Legal
Job Titles
1 18 (15.79%) Programme Manager
2 15 (13.16%) IT Support
2 15 (13.16%) Support Engineer
3 14 (12.28%) Analyst
4 12 (10.53%) Infrastructure Manager
4 12 (10.53%) Infrastructure Programme Manager
5 11 (9.65%) IT Engineer
5 11 (9.65%) IT Support Engineer
6 10 (8.77%) Network Engineer
7 9 (7.89%) Architect
8 8 (7.02%) Administrator
8 8 (7.02%) Security Architect
9 7 (6.14%) Desktop Engineer
9 7 (6.14%) Infrastructure Engineer
9 7 (6.14%) Microsoft Engineer
9 7 (6.14%) Technical Manager
10 6 (5.26%) Support Analyst
11 5 (4.39%) IT Manager
11 5 (4.39%) Systems Administrator
11 5 (4.39%) Systems Engineer
Libraries, Frameworks & Software Standards
1 6 (5.26%) XMPP
2 4 (3.51%) 802.1X
3 2 (1.75%) WSH
Miscellaneous
1 16 (14.04%) Analytical Skills
1 16 (14.04%) Video Conferencing
2 9 (7.89%) Driving Licence
3 6 (5.26%) Blackberry
4 5 (4.39%) Computer Science
4 5 (4.39%) Data Centre
4 5 (4.39%) iPhone
5 3 (2.63%) Clustering
5 3 (2.63%) Public Cloud
6 2 (1.75%) Hybrid Cloud
6 2 (1.75%) Internet of Things
6 2 (1.75%) Management Information System
6 2 (1.75%) PKI
6 2 (1.75%) Social Media
7 1 (0.88%) Enterprise Cloud
7 1 (0.88%) Fintech
7 1 (0.88%) Hedge funds
7 1 (0.88%) iPad
7 1 (0.88%) Mobile App
7 1 (0.88%) User Experience
Operating Systems
1 55 (48.25%) Windows
2 36 (31.58%) Windows Server
3 22 (19.30%) Linux
4 18 (15.79%) Windows 10
5 16 (14.04%) Windows Server 2003
6 14 (12.28%) Windows XP
7 10 (8.77%) Windows 7
7 10 (8.77%) Windows Server 2008
7 10 (8.77%) Windows Server 2012
8 4 (3.51%) Red Hat Enterprise Linux
9 2 (1.75%) Android
9 2 (1.75%) CentOS
9 2 (1.75%) Mac OS X
9 2 (1.75%) Ubuntu
9 2 (1.75%) Windows 8
10 1 (0.88%) Apple iOS
Processes & Methodologies
1 22 (19.30%) Disaster Recovery
2 18 (15.79%) Business Continuity
2 18 (15.79%) Network Segmentation
2 18 (15.79%) Penetration Testing
3 12 (10.53%) Project Management
4 9 (7.89%) Software Testing
5 8 (7.02%) ITIL
6 7 (6.14%) SIEM
7 6 (5.26%) Asset Management
7 6 (5.26%) Capacity Planning
8 5 (4.39%) Information Security
8 5 (4.39%) Network Design
8 5 (4.39%) Presales
8 5 (4.39%) Problem Management
8 5 (4.39%) Server Virtualisation
9 4 (3.51%) High Availability
9 4 (3.51%) Mentoring
9 4 (3.51%) Service Delivery
10 3 (2.63%) Investment Management
10 3 (2.63%) Target Operating Model
Programming Languages
1 31 (27.19%) SQL
2 7 (6.14%) PowerShell
3 4 (3.51%) Bash Shell
3 4 (3.51%) Python
4 2 (1.75%) VBScript
5 1 (0.88%) C
Qualifications
1 20 (17.54%) Cisco Certification
2 15 (13.16%) CCNP
3 13 (11.40%) Microsoft Certification
4 11 (9.65%) Degree
5 9 (7.89%) PhD
6 8 (7.02%) MCSE
7 6 (5.26%) CCNA
8 5 (4.39%) MCDST
9 3 (2.63%) CISSP
9 3 (2.63%) MCITP
10 2 (1.75%) CCIE
10 2 (1.75%) CCVP
10 2 (1.75%) MCP
10 2 (1.75%) VMware Certified Professional (VCP)
11 1 (0.88%) CCENT
11 1 (0.88%) CCSA
11 1 (0.88%) MCSA
11 1 (0.88%) Microsoft Certified Architect
Quality Assurance & Compliance
1 6 (5.26%) SLA
2 3 (2.63%) ISO/IEC 27001
System Software
1 47 (41.23%) Active Directory
2 39 (34.21%) VMware Infrastructure
3 18 (15.79%) Virtual Servers
3 18 (15.79%) VMware ESX
4 9 (7.89%) XenServer
5 4 (3.51%) Hyper-V
5 4 (3.51%) vSphere
6 2 (1.75%) VMware ESXi
6 2 (1.75%) XenApp
7 1 (0.88%) Xen
Systems Management
1 18 (15.79%) BMC PATROL
2 9 (7.89%) Backup Exec
2 9 (7.89%) FortiGate
2 9 (7.89%) XenMobile
3 6 (5.26%) Cisco CUCM
3 6 (5.26%) Cisco UCCE
4 5 (4.39%) Cisco UCCX
5 4 (3.51%) SCCM
6 3 (2.63%) WSUS
7 1 (0.88%) Failover Clustering
7 1 (0.88%) Microsoft Clustering
Vendors
1 55 (48.25%) Cisco
2 49 (42.98%) Microsoft
3 46 (40.35%) VMware
4 26 (22.81%) Mitel
5 20 (17.54%) Citrix
6 18 (15.79%) BMC
6 18 (15.79%) Oracle
7 14 (12.28%) HP
8 11 (9.65%) Palo Alto
8 11 (9.65%) Polycom
9 10 (8.77%) Veeam
10 9 (7.89%) EMC
10 9 (7.89%) IronPort
11 7 (6.14%) Avaya
12 4 (3.51%) CheckPoint
12 4 (3.51%) Dell
12 4 (3.51%) LANDesk
13 3 (2.63%) Juniper
13 3 (2.63%) Riverbed
14 2 (1.75%) Apple