Period
to 23 May 2019

The following table provides summary statistics for permanent job vacancies advertised in Central London with a requirement for VoIP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited VoIP over the 6 months to 23 May 2019 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
London > Central London
6 months to
23 May 2019
Same period 2018 Same period 2017
Rank 254 272 207
Rank change year-on-year +18 -65 +7
Permanent jobs citing VoIP 111 115 179
As % of all permanent IT jobs advertised in Central London 0.86% 0.82% 1.44%
As % of the Communications & Networking category 6.61% 5.08% 8.21%
Number of salaries quoted 94 102 162
Central London median annual salary £35,000 £50,000 £50,000
Median salary % change year-on-year -30.00% - +11.11%
10th Percentile £26,250 £24,750 £28,000
90th Percentile £67,500 £73,750 £77,500
London median annual salary £47,500 £45,000 £50,000
% change year-on-year +5.56% -10.00% +11.11%

VoIP 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 advertised in Central London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Central London
Permanent vacancies with a requirement for communications or computer networking skills 1,679 2,266 2,180
As % of all permanent IT jobs advertised in Central London 13.04% 16.25% 17.51%
Number of salaries quoted 1,508 2,030 1,981
Central London median annual salary £55,000 £55,000 £53,000
Median salary % change year-on-year - +3.77% +0.95%
10th Percentile £28,925 £31,250 £28,000
90th Percentile £86,250 £82,500 £77,500
London median annual salary £55,000 £55,000 £55,000

VoIP
Job Vacancy Trend in Central London

Job postings citing VoIP as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for VoIP in Central London

VoIP
Salary Trend in Central London

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

Salary trend for VoIP in Central London

VoIP
Salary Histogram in Central London

The salary distribution of IT jobs citing VoIP in Central London over the 6 months to 23 May 2019.

Salary histogram for VoIP in Central London

VoIP
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the Central London region over the 6 months to 23 May 2019. 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
City of London +32 89 £41,250 -21.43% 2
West End of London +4 8 £27,500 -35.29%
City of Westminster -2 8 - - 1
Camden +13 1 £20,500 -54.44%
VoIP
London

For the 6 months to 23 May 2019, IT jobs citing VoIP 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 across the Central London region with a requirement for VoIP.

1 77 (69.37%) Windows
2 75 (67.57%) Microsoft
3 69 (62.16%) Office 365
4 63 (56.76%) Active Directory
5 52 (46.85%) Microsoft Office
6 46 (41.44%) Firewall
6 46 (41.44%) Windows 10
7 39 (35.14%) Windows Server
7 39 (35.14%) Cisco
8 35 (31.53%) VMware
9 29 (26.13%) LAN
9 29 (26.13%) Windows 7
10 28 (25.23%) VMware Infrastructure
11 27 (24.32%) TCP/IP
11 27 (24.32%) Problem-Solving
12 25 (22.52%) DNS
12 25 (22.52%) WAN
13 24 (21.62%) DHCP
14 22 (19.82%) MS Exchange
14 22 (19.82%) ITIL
15 19 (17.12%) Windows Server 2008
15 19 (17.12%) VLAN
15 19 (17.12%) Analytical Skills
16 18 (16.22%) iPhone
17 17 (15.32%) Amazon AWS
18 16 (14.41%) Skype for Business
18 16 (14.41%) Cybersecurity
18 16 (14.41%) Skype
18 16 (14.41%) Apple
18 16 (14.41%) Avaya

VoIP
Co-occurring IT Skills in Central 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 22 (19.82%) MS Exchange
2 16 (14.41%) Skype for Business
3 13 (11.71%) SharePoint
4 11 (9.91%) Exchange Server 2010
5 7 (6.31%) Exchange Server 2007
6 3 (2.70%) IIS
7 2 (1.80%) WordPress
8 1 (0.90%) Apache
8 1 (0.90%) Exchange Server 2013
8 1 (0.90%) IBM Notes
8 1 (0.90%) Tomcat
Applications
1 52 (46.85%) Microsoft Office
2 3 (2.70%) MS Visio
Cloud Services
1 69 (62.16%) Office 365
2 17 (15.32%) Amazon AWS
3 15 (13.51%) Microsoft Azure
4 8 (7.21%) Azure Active Directory
5 7 (6.31%) Dropbox
5 7 (6.31%) OneDrive
5 7 (6.31%) OpenDNS
6 4 (3.60%) SaaS
7 2 (1.80%) G Suite
8 1 (0.90%) Amazon EC2
8 1 (0.90%) Amazon S3
8 1 (0.90%) AWS Fargate
8 1 (0.90%) Azure ExpressRoute
8 1 (0.90%) IaaS
8 1 (0.90%) Virtual Private Cloud
Communications & Networking
1 46 (41.44%) Firewall
2 29 (26.13%) LAN
3 27 (24.32%) TCP/IP
4 25 (22.52%) DNS
4 25 (22.52%) WAN
5 24 (21.62%) DHCP
6 19 (17.12%) VLAN
7 16 (14.41%) Skype
8 14 (12.61%) MPLS
9 13 (11.71%) PBX
9 13 (11.71%) VPN
10 12 (10.81%) Wireless
11 11 (9.91%) Wi-Fi
12 9 (8.11%) Internet
12 9 (8.11%) WLAN
13 7 (6.31%) Unified Communications
14 6 (5.41%) Cisco ASA
14 6 (5.41%) SAN
15 4 (3.60%) BGP
15 4 (3.60%) OSPF
Database & Business Intelligence
1 7 (6.31%) SQL Server
2 1 (0.90%) Amazon RDS
Development Applications
1 1 (0.90%) Git (software)
1 1 (0.90%) Jenkins
1 1 (0.90%) JIRA
General
1 15 (13.51%) Finance
2 13 (11.71%) Telecoms
3 4 (3.60%) Law
4 3 (2.70%) Multimedia
4 3 (2.70%) Retail
5 2 (1.80%) Advertising
5 2 (1.80%) Pharmaceutical
6 1 (0.90%) Marketing
Job Titles
1 41 (36.94%) IT Support
2 30 (27.03%) Support Engineer
3 28 (25.23%) Analyst
4 23 (20.72%) IT Engineer
5 21 (18.92%) IT Support Engineer
6 19 (17.12%) Support Analyst
7 16 (14.41%) 2nd Line Support
8 15 (13.51%) IT Analyst
9 13 (11.71%) Desktop Support
10 12 (10.81%) Infrastructure Engineer
10 12 (10.81%) IT Support Analyst
10 12 (10.81%) Network Engineer
11 11 (9.91%) 2nd Line Engineer
11 11 (9.91%) Desktop Analyst
11 11 (9.91%) Network Support
12 10 (9.01%) 2nd Line Support Engineer
12 10 (9.01%) Desktop Support Analyst
12 10 (9.01%) IT Manager
12 10 (9.01%) Windows Support Analyst
13 9 (8.11%) Active Directory Support
Libraries, Frameworks & Software Standards
1 3 (2.70%) 802.1X
1 3 (2.70%) HTML
2 2 (1.80%) XMPP
3 1 (0.90%) Elastic Stack
3 1 (0.90%) LDAP
3 1 (0.90%) REST
3 1 (0.90%) SAML
Miscellaneous
1 19 (17.12%) Analytical Skills
2 18 (16.22%) iPhone
3 15 (13.51%) iPad
3 15 (13.51%) Self-Motivation
4 12 (10.81%) Video Conferencing
5 7 (6.31%) Blackberry
6 6 (5.41%) Management Information System
7 3 (2.70%) Driving Licence
7 3 (2.70%) Microsoft Licensing
8 2 (1.80%) Client/Server
8 2 (1.80%) Clustering
8 2 (1.80%) Data Centre
8 2 (1.80%) Fintech
8 2 (1.80%) Smartphone
9 1 (0.90%) Enterprise Storage
9 1 (0.90%) Foreign Exchange (FX)
9 1 (0.90%) Handset
9 1 (0.90%) IVR
9 1 (0.90%) Replication
9 1 (0.90%) User Experience
Operating Systems
1 77 (69.37%) Windows
2 46 (41.44%) Windows 10
3 39 (35.14%) Windows Server
4 29 (26.13%) Windows 7
5 19 (17.12%) Windows Server 2008
6 12 (10.81%) Apple iOS
6 12 (10.81%) Mac OS X
6 12 (10.81%) Windows Server 2012
7 10 (9.01%) Android
7 10 (9.01%) Linux
8 9 (8.11%) Windows 8
9 3 (2.70%) Mac OS
10 1 (0.90%) CentOS
10 1 (0.90%) Windows XP
Processes & Methodologies
1 27 (24.32%) Problem-Solving
2 22 (19.82%) ITIL
3 16 (14.41%) Cybersecurity
4 12 (10.81%) Infrastructure Engineering
5 10 (9.01%) Service Delivery
6 9 (8.11%) Asset Management
6 9 (8.11%) Infrastructure Monitoring
6 9 (8.11%) Vulnerability Management
7 8 (7.21%) Configuration Management
7 8 (7.21%) Project Management
8 7 (6.31%) Change Control
8 7 (6.31%) Incident Management
8 7 (6.31%) Multi-Factor Authentication
8 7 (6.31%) Risk Management
8 7 (6.31%) Technical Leadership
8 7 (6.31%) Two-Factor Authentication
8 7 (6.31%) Vulnerability Assessment
9 6 (5.41%) Creative Problem-Solving
9 6 (5.41%) Document Management
9 6 (5.41%) Patch Management
Programming Languages
1 9 (8.11%) PowerShell
2 6 (5.41%) SQL
3 3 (2.70%) C
3 3 (2.70%) C#
3 3 (2.70%) Java
3 3 (2.70%) VB
4 2 (1.80%) Python
5 1 (0.90%) Bash Shell
5 1 (0.90%) Ruby
5 1 (0.90%) Shell Script
Qualifications
1 14 (12.61%) Microsoft Certification
2 12 (10.81%) Cisco Certification
3 9 (8.11%) CCNA
3 9 (8.11%) MCSA
4 7 (6.31%) Degree
5 6 (5.41%) CCNP
6 4 (3.60%) A+ Certification
6 4 (3.60%) ITIL Foundation Certificate
7 3 (2.70%) Avaya Certification
7 3 (2.70%) DBS Check
8 2 (1.80%) HND
8 2 (1.80%) MCP
8 2 (1.80%) MCSE
9 1 (0.90%) CCENT
9 1 (0.90%) CompTIA Security+
9 1 (0.90%) ITIL Certification
9 1 (0.90%) MCITP
9 1 (0.90%) MCTS
9 1 (0.90%) Network+ Certification
Quality Assurance & Compliance
1 4 (3.60%) SLA
2 1 (0.90%) ISO/IEC 27001
System Software
1 63 (56.76%) Active Directory
2 28 (25.23%) VMware Infrastructure
3 11 (9.91%) Hyper-V
4 6 (5.41%) VMware Workstation
4 6 (5.41%) XenDesktop
5 4 (3.60%) VMware ESXi
6 2 (1.80%) vSphere
7 1 (0.90%) BitLocker
7 1 (0.90%) Docker
7 1 (0.90%) XenApp
Systems Management
1 5 (4.50%) Cisco CUCM
2 3 (2.70%) Cisco UCCX
2 3 (2.70%) Malwarebytes
2 3 (2.70%) McAfee ePO
2 3 (2.70%) Norton AntiVirus
2 3 (2.70%) vCenter Server
2 3 (2.70%) WSUS
3 2 (1.80%) Backup Exec
3 2 (1.80%) SCCM
4 1 (0.90%) Ansible
4 1 (0.90%) FortiGate
4 1 (0.90%) Grafana
4 1 (0.90%) Kubernetes
4 1 (0.90%) Nessus
4 1 (0.90%) ZABBIX
Vendors
1 75 (67.57%) Microsoft
2 39 (35.14%) Cisco
3 35 (31.53%) VMware
4 16 (14.41%) Apple
4 16 (14.41%) Avaya
5 15 (13.51%) HP
6 11 (9.91%) Citrix
6 11 (9.91%) Meraki
7 10 (9.01%) Qualys
8 8 (7.21%) SonicWALL
9 7 (6.31%) ConnectWise
9 7 (6.31%) Webroot
10 6 (5.41%) Fortinet
10 6 (5.41%) ProCurve
10 6 (5.41%) SolarWinds
11 5 (4.50%) Palo Alto
12 4 (3.60%) McAfee
12 4 (3.60%) Symantec
13 3 (2.70%) CheckPoint
13 3 (2.70%) Sophos