Period
to 18 December 2018

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 18 December 2018 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
London > Central London
6 months to
18 Dec 2018
Same period 2017 Same period 2016
Rank 279 285 222
Rank change year-on-year +6 -63 +50
Permanent jobs citing VoIP 97 107 169
As % of all permanent IT jobs advertised in Central London 0.72% 0.74% 1.24%
As % of the Communications & Networking category 5.63% 5.05% 7.72%
Number of salaries quoted 79 107 157
Central London median annual salary £49,500 £45,000 £52,500
Median salary % change year-on-year +10.00% -14.29% +19.32%
10th Percentile £29,500 £24,250 £29,750
90th Percentile £72,500 £67,500 £78,750
London median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

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 1,722 2,120 2,189
As % of all permanent IT jobs advertised in Central London 12.85% 14.70% 16.05%
Number of salaries quoted 1,528 1,884 1,898
Central London median annual salary £55,000 £52,500 £55,000
Median salary % change year-on-year +4.76% -4.55% +8.91%
10th Percentile £30,000 £31,250 £29,925
90th Percentile £85,000 £80,000 £78,750
London median annual salary £55,000 £54,000 £54,000
% change year-on-year +1.85% - +8.00%

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 18 December 2018.

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 18 December 2018. 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 -16 78 £49,750 +4.74% 13
City of Westminster - 10 £33,000 -
West End of London -5 2 £37,500 -37.50%
Southwark +89 1 £30,000 -6.25%
VoIP
London

For the 6 months to 18 December 2018, 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 63 (64.95%) Windows
2 47 (48.45%) Office 365
3 46 (47.42%) Active Directory
4 44 (45.36%) Microsoft
5 41 (42.27%) Firewall
6 36 (37.11%) Windows 10
7 34 (35.05%) WAN
8 33 (34.02%) LAN
9 32 (32.99%) Cisco
10 31 (31.96%) VMware
11 28 (28.87%) ITIL
12 24 (24.74%) Microsoft Office
12 24 (24.74%) MS Exchange
12 24 (24.74%) Finance
13 23 (23.71%) Microsoft Azure
14 22 (22.68%) VPN
14 22 (22.68%) VMware Infrastructure
15 21 (21.65%) TCP/IP
15 21 (21.65%) Windows Server
16 20 (20.62%) Citrix
16 20 (20.62%) Linux
17 19 (19.59%) Infrastructure Engineering
17 19 (19.59%) Amazon AWS
18 16 (16.49%) Windows 7
18 16 (16.49%) SharePoint
18 16 (16.49%) PBX
19 15 (15.46%) MPLS
19 15 (15.46%) Telecoms
19 15 (15.46%) Problem-Solving
20 14 (14.43%) Windows Server 2012

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 24 (24.74%) MS Exchange
2 16 (16.49%) SharePoint
3 10 (10.31%) Exchange Server 2010
4 8 (8.25%) Skype for Business
5 5 (5.15%) Exchange Server 2013
5 5 (5.15%) IIS
6 3 (3.09%) Exchange Server 2007
7 2 (2.06%) OpenStack
8 1 (1.03%) Apache
8 1 (1.03%) CMS
8 1 (1.03%) IBM Notes
8 1 (1.03%) JBoss
8 1 (1.03%) nginx
8 1 (1.03%) Tomcat
Applications
1 24 (24.74%) Microsoft Office
2 9 (9.28%) Microsoft PowerPoint
3 4 (4.12%) Microsoft Excel
4 1 (1.03%) Adobe Creative Suite
Business Applications
1 1 (1.03%) Maximo
Cloud Services
1 47 (48.45%) Office 365
2 23 (23.71%) Microsoft Azure
3 19 (19.59%) Amazon AWS
4 8 (8.25%) Azure Active Directory
5 7 (7.22%) G Suite
6 4 (4.12%) Cloud Computing
7 2 (2.06%) Amazon EC2
7 2 (2.06%) Amazon S3
7 2 (2.06%) SaaS
8 1 (1.03%) OneDrive
Communications & Networking
1 41 (42.27%) Firewall
2 34 (35.05%) WAN
3 33 (34.02%) LAN
4 22 (22.68%) VPN
5 21 (21.65%) TCP/IP
6 16 (16.49%) PBX
7 15 (15.46%) MPLS
8 14 (14.43%) Internet
9 13 (13.40%) SAN
9 13 (13.40%) Unified Communications
10 10 (10.31%) DHCP
10 10 (10.31%) DNS
10 10 (10.31%) Wireless
11 8 (8.25%) Skype
12 6 (6.19%) Ethernet
12 6 (6.19%) Telepresence
13 5 (5.15%) BGP
13 5 (5.15%) Network Security
13 5 (5.15%) OSPF
13 5 (5.15%) Remote Desktop
Database & Business Intelligence
1 10 (10.31%) SQL Server
2 3 (3.09%) MySQL
2 3 (3.09%) SQL Server 2005
2 3 (3.09%) SQL Server 2008
2 3 (3.09%) SQL Server 2012
3 2 (2.06%) Amazon RDS
3 2 (2.06%) Data Warehouse
4 1 (1.03%) Big Data
4 1 (1.03%) DB2
4 1 (1.03%) Hadoop
4 1 (1.03%) Redis
Development Applications
1 2 (2.06%) JIRA
General
1 24 (24.74%) Finance
2 15 (15.46%) Telecoms
3 6 (6.19%) Law
4 5 (5.15%) Legal
5 3 (3.09%) Advertising
6 2 (2.06%) Financial Institution
7 1 (1.03%) Banking
7 1 (1.03%) French Language
7 1 (1.03%) Manufacturing
7 1 (1.03%) Marketing
7 1 (1.03%) Pharmaceutical
7 1 (1.03%) Retail
Job Titles
1 23 (23.71%) Support Engineer
2 14 (14.43%) Infrastructure Engineer
3 11 (11.34%) IT Manager
3 11 (11.34%) IT Support
3 11 (11.34%) Network Engineer
4 10 (10.31%) 2nd Line Support
4 10 (10.31%) 3rd Line Support
5 9 (9.28%) Desktop Support
5 9 (9.28%) Infrastructure Support
6 8 (8.25%) Analyst
6 8 (8.25%) Voice Engineer
7 7 (7.22%) Support Analyst
8 6 (6.19%) Cloud Engineer
8 6 (6.19%) Infrastructure Manager
8 6 (6.19%) Infrastructure Support Engineer
8 6 (6.19%) IT Engineer
8 6 (6.19%) IT Infrastructure Manager
9 5 (5.15%) Cisco Engineer
9 5 (5.15%) IT Analyst
9 5 (5.15%) Unified Communications Engineer
Libraries, Frameworks & Software Standards
1 6 (6.19%) Middleware
2 5 (5.15%) Web Services
2 5 (5.15%) XMPP
3 3 (3.09%) 802.1X
4 2 (2.06%) Elastic Stack
5 1 (1.03%) HTML
5 1 (1.03%) Node.js
5 1 (1.03%) REST
5 1 (1.03%) SOAP
5 1 (1.03%) XML
5 1 (1.03%) X-Windows
Miscellaneous
1 12 (12.37%) Data Centre
2 8 (8.25%) Management Information System
3 7 (7.22%) Video Conferencing
4 6 (6.19%) Self-Motivation
5 5 (5.15%) Fintech
6 4 (4.12%) Analytical Skills
7 3 (3.09%) BYOD
7 3 (3.09%) iPad
7 3 (3.09%) iPhone
7 3 (3.09%) IVR
8 2 (2.06%) Client/Server
8 2 (2.06%) Microsoft Licensing
9 1 (1.03%) Data Structures
9 1 (1.03%) EPoS
9 1 (1.03%) iSeries
9 1 (1.03%) Mainframe
9 1 (1.03%) Photography
9 1 (1.03%) PKI
9 1 (1.03%) PMI
9 1 (1.03%) Private Cloud
Operating Systems
1 63 (64.95%) Windows
2 36 (37.11%) Windows 10
3 21 (21.65%) Windows Server
4 20 (20.62%) Linux
5 16 (16.49%) Windows 7
6 14 (14.43%) Windows Server 2012
7 7 (7.22%) Windows Server 2008
8 6 (6.19%) Mac OS
9 5 (5.15%) Apple iOS
9 5 (5.15%) Mac OS X
10 4 (4.12%) Windows 8
11 3 (3.09%) Unix
11 3 (3.09%) Windows XP
12 1 (1.03%) Android
12 1 (1.03%) HPUX
12 1 (1.03%) Mac OS X Server
12 1 (1.03%) Red Hat Enterprise Linux
12 1 (1.03%) Solaris
12 1 (1.03%) Windows Server 2003
12 1 (1.03%) zOS
Processes & Methodologies
1 28 (28.87%) ITIL
2 19 (19.59%) Infrastructure Engineering
3 15 (15.46%) Problem-Solving
4 13 (13.40%) Project Management
5 9 (9.28%) Cybersecurity
6 8 (8.25%) Computer Science
6 8 (8.25%) ERP
7 7 (7.22%) Change Management
7 7 (7.22%) ITIL V3
7 7 (7.22%) Network Monitoring
7 7 (7.22%) Service Delivery
8 6 (6.19%) ITSM
8 6 (6.19%) Load Balancing
8 6 (6.19%) Network Design
8 6 (6.19%) Service Management
9 5 (5.15%) DevOps
9 5 (5.15%) Identity Management
9 5 (5.15%) Migration
9 5 (5.15%) Tech Ops
9 5 (5.15%) Time Management
Programming Languages
1 7 (7.22%) SQL
2 5 (5.15%) PowerShell
3 4 (4.12%) C
4 3 (3.09%) Python
5 2 (2.06%) Java
5 2 (2.06%) Perl
5 2 (2.06%) VB
6 1 (1.03%) Bash Shell
6 1 (1.03%) C#
6 1 (1.03%) PHP
Qualifications
1 11 (11.34%) Cisco Certification
2 10 (10.31%) Microsoft Certification
3 9 (9.28%) CCNA
3 9 (9.28%) CCNP
3 9 (9.28%) MCSE
4 7 (7.22%) Degree
5 4 (4.12%) MCSA
6 3 (3.09%) ITIL Certification
7 2 (2.06%) Avaya Certification
7 2 (2.06%) AWS Certification
7 2 (2.06%) CCVP
8 1 (1.03%) CCSP
8 1 (1.03%) Computer Science Degree
8 1 (1.03%) ITIL Foundation Certificate
8 1 (1.03%) MCITP
8 1 (1.03%) PMI Certification
8 1 (1.03%) PMP
8 1 (1.03%) PRINCE2 Certification
Quality Assurance & Compliance
1 5 (5.15%) ISO/IEC 27001
1 5 (5.15%) SLA
2 4 (4.12%) GDPR
3 2 (2.06%) COBIT
3 2 (2.06%) Sarbanes-Oxley
3 2 (2.06%) Solvency II
4 1 (1.03%) Cyber Essentials
4 1 (1.03%) Cyber Essentials PLUS
System Software
1 46 (47.42%) Active Directory
2 22 (22.68%) VMware Infrastructure
3 7 (7.22%) Hyper-V
3 7 (7.22%) Virtual Desktop
4 4 (4.12%) XenApp
5 2 (2.06%) VMware ESXi
5 2 (2.06%) vSphere
6 1 (1.03%) BitLocker
6 1 (1.03%) Docker
Systems Management
1 9 (9.28%) Cisco CUCM
2 6 (6.19%) Jamf Pro
2 6 (6.19%) SCCM
3 5 (5.15%) Microsoft Intune
4 3 (3.09%) Backup Exec
4 3 (3.09%) FortiGate
4 3 (3.09%) Nagios
4 3 (3.09%) XenMobile
5 2 (2.06%) Ansible
5 2 (2.06%) McAfee ePO
5 2 (2.06%) Single Sign-On
5 2 (2.06%) vCenter Server
5 2 (2.06%) WSUS
6 1 (1.03%) Graylog
6 1 (1.03%) Kubernetes
6 1 (1.03%) MaaS360
6 1 (1.03%) Malwarebytes
6 1 (1.03%) Norton AntiVirus
6 1 (1.03%) RANCID
6 1 (1.03%) ZABBIX
Vendors
1 44 (45.36%) Microsoft
2 32 (32.99%) Cisco
3 31 (31.96%) VMware
4 20 (20.62%) Citrix
5 8 (8.25%) Avaya
6 7 (7.22%) Riverbed
7 5 (5.15%) CheckPoint
7 5 (5.15%) Okta
7 5 (5.15%) Palo Alto
7 5 (5.15%) SolarWinds
7 5 (5.15%) WatchGuard
8 4 (4.12%) Aderant
8 4 (4.12%) Bloomberg
8 4 (4.12%) HP
8 4 (4.12%) iManage
8 4 (4.12%) Intapp
8 4 (4.12%) ShoreTel
9 3 (3.09%) Meraki
9 3 (3.09%) Polycom
9 3 (3.09%) Veeam