Period
to 18 April 2019

The following table provides summary statistics for permanent job vacancies advertised in 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 April 2019 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
England > London
6 months to
18 Apr 2019
Same period 2018 Same period 2017
Rank 344 386 289
Rank change year-on-year +42 -97 -29
Permanent jobs citing VoIP 547 530 822
As % of all permanent IT jobs advertised in London 0.90% 0.76% 1.19%
As % of the Communications & Networking category 6.91% 5.28% 7.56%
Number of salaries quoted 455 476 764
London median annual salary £47,500 £45,000 £47,500
Median salary % change year-on-year +5.56% -5.26% +1.06%
10th Percentile £26,326 £25,250 £27,500
90th Percentile £76,250 £78,750 £78,375
England median annual salary £40,000 £40,000 £40,000

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 London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 7,912 10,041 10,866
As % of all permanent IT jobs advertised in London 13.01% 14.34% 15.76%
Number of salaries quoted 6,424 8,310 9,166
London median annual salary £55,000 £55,000 £55,000
10th Percentile £29,250 £31,250 £30,000
90th Percentile £87,500 £83,750 £80,500
England median annual salary £47,500 £47,000 £45,000
% change year-on-year +1.06% +4.44% -

VoIP
Job Vacancy Trend in London

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

Job vacancy trend for VoIP in London

VoIP
Salary Trend in London

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

Salary trend for VoIP in London

VoIP
Salary Histogram in London

The salary distribution of IT jobs citing VoIP in London over the 6 months to 18 April 2019.

Salary histogram for VoIP in London

VoIP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the London region over the 6 months to 18 April 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
Central London +30 108 £35,000 -22.22% 7
West London +56 55 £50,000 - 1
South London -9 18 £45,000 +12.50% 1
East London +16 17 £50,000 +58.73%
North London +15 3 £47,500 +137.50%
VoIP
England

For the 6 months to 18 April 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 London region with a requirement for VoIP.

1 292 (53.38%) Windows
2 258 (47.17%) Firewall
3 252 (46.07%) Active Directory
4 241 (44.06%) Microsoft
5 233 (42.60%) Cisco
6 226 (41.32%) Office 365
7 153 (27.97%) VMware
8 145 (26.51%) Windows Server
9 143 (26.14%) Microsoft Office
10 140 (25.59%) Windows 10
11 133 (24.31%) Finance
12 131 (23.95%) Cisco Certification
13 127 (23.22%) WAN
14 122 (22.30%) TCP/IP
15 121 (22.12%) LAN
16 113 (20.66%) DNS
17 110 (20.11%) Problem-Solving
18 107 (19.56%) Wireless
19 105 (19.20%) Microsoft Azure
20 104 (19.01%) ITIL
21 102 (18.65%) DHCP
22 95 (17.37%) VPN
23 93 (17.00%) MS Exchange
23 93 (17.00%) BGP
24 92 (16.82%) MPLS
24 92 (16.82%) OSPF
25 86 (15.72%) VMware Infrastructure
26 83 (15.17%) Linux
27 80 (14.63%) Telecoms
27 80 (14.63%) Windows 7

VoIP
Co-occurring IT Skills in 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 93 (17.00%) MS Exchange
2 73 (13.35%) Skype for Business
3 70 (12.80%) SharePoint
4 39 (7.13%) Exchange Server 2010
5 21 (3.84%) Exchange Server 2013
6 20 (3.66%) CMS
7 19 (3.47%) Exchange Server 2007
8 13 (2.38%) IIS
9 8 (1.46%) Confluence
10 7 (1.28%) Tomcat
11 6 (1.10%) Apache
12 4 (0.73%) Elasticsearch
13 3 (0.55%) Blackberry Enterprise Server
14 2 (0.37%) nginx
14 2 (0.37%) SharePoint Server
15 1 (0.18%) IBM Notes
Applications
1 143 (26.14%) Microsoft Office
2 21 (3.84%) Microsoft Excel
3 17 (3.11%) Microsoft PowerPoint
4 14 (2.56%) MS Visio
5 5 (0.91%) InVision
5 5 (0.91%) Photoshop
Business Applications
1 3 (0.55%) Dynamics CRM
2 2 (0.37%) Dynamics NAV
2 2 (0.37%) Remedy ITSM
Cloud Services
1 226 (41.32%) Office 365
2 105 (19.20%) Microsoft Azure
3 62 (11.33%) Amazon AWS
4 33 (6.03%) Azure Active Directory
5 23 (4.20%) OneDrive
6 21 (3.84%) SaaS
7 13 (2.38%) G Suite
8 12 (2.19%) Dropbox
8 12 (2.19%) OpenDNS
9 10 (1.83%) Amazon S3
9 10 (1.83%) Mimecast
10 7 (1.28%) Slack
11 5 (0.91%) Adobe Creative Cloud
11 5 (0.91%) Amazon EC2
11 5 (0.91%) Virtual Private Cloud
12 3 (0.55%) AWS Fargate
12 3 (0.55%) IaaS
13 2 (0.37%) Azure ExpressRoute
14 1 (0.18%) PaaS
14 1 (0.18%) Route 53
Communications & Networking
1 258 (47.17%) Firewall
2 127 (23.22%) WAN
3 122 (22.30%) TCP/IP
4 121 (22.12%) LAN
5 113 (20.66%) DNS
6 107 (19.56%) Wireless
7 102 (18.65%) DHCP
8 95 (17.37%) VPN
9 93 (17.00%) BGP
10 92 (16.82%) MPLS
10 92 (16.82%) OSPF
11 78 (14.26%) SAN
12 68 (12.43%) Unified Communications
13 61 (11.15%) Skype
14 58 (10.60%) PBX
15 56 (10.24%) Cisco Nexus
16 52 (9.51%) Cisco ASA
17 50 (9.14%) EIGRP
17 50 (9.14%) IPsec
18 49 (8.96%) VLAN
Database & Business Intelligence
1 34 (6.22%) SQL Server
2 14 (2.56%) SQL Server 2012
3 12 (2.19%) PostgreSQL
4 7 (1.28%) SQL Server 2008
5 6 (1.10%) Data Warehouse
6 5 (0.91%) Redis
7 4 (0.73%) Hadoop
7 4 (0.73%) SQL Server 2005
7 4 (0.73%) SQL Server 2014
7 4 (0.73%) SQL Server 2016
8 3 (0.55%) Amazon RDS
8 3 (0.55%) MySQL
9 1 (0.18%) Big Data
9 1 (0.18%) DB2
Development Applications
1 20 (3.66%) JIRA
2 17 (3.11%) Git (software)
3 7 (1.28%) Jenkins
4 5 (0.91%) Axure RP
4 5 (0.91%) Bitbucket
4 5 (0.91%) Gradle
5 1 (0.18%) Hudson
General
1 133 (24.31%) Finance
2 80 (14.63%) Telecoms
3 46 (8.41%) Banking
4 36 (6.58%) Retail
5 18 (3.29%) Front Office
5 18 (3.29%) Law
6 13 (2.38%) Advertising
7 12 (2.19%) Marketing
8 9 (1.65%) Legal
9 6 (1.10%) Manufacturing
9 6 (1.10%) Multimedia
10 4 (0.73%) Billing
11 3 (0.55%) Games
12 2 (0.37%) Back Office
12 2 (0.37%) Financial Institution
12 2 (0.37%) French Language
12 2 (0.37%) Pharmaceutical
Job Titles
1 87 (15.90%) Network Engineer
2 76 (13.89%) Analyst
3 74 (13.53%) Support Engineer
4 72 (13.16%) IT Support
5 54 (9.87%) Infrastructure Engineer
6 49 (8.96%) Cisco Engineer
6 49 (8.96%) Support Analyst
7 48 (8.78%) IT Engineer
8 40 (7.31%) IT Manager
9 38 (6.95%) Desktop Support
10 33 (6.03%) Cisco Network Engineer
11 32 (5.85%) IT Support Engineer
11 32 (5.85%) VoIP Engineer
12 31 (5.67%) IT Analyst
13 29 (5.30%) Voice Engineer
14 28 (5.12%) 2nd Line Support
14 28 (5.12%) Cisco Voice Engineer
14 28 (5.12%) Senior Network Engineer
15 27 (4.94%) IT Support Analyst
16 25 (4.57%) Architect
Libraries, Frameworks & Software Standards
1 35 (6.40%) XMPP
2 21 (3.84%) Web Services
3 20 (3.66%) 802.1X
4 9 (1.65%) RESTful
4 9 (1.65%) WebRTC
4 9 (1.65%) WSH
5 8 (1.46%) SAML
6 5 (0.91%) Dropwizard
6 5 (0.91%) Framer.js
6 5 (0.91%) LDAP
6 5 (0.91%) OAuth
6 5 (0.91%) Protocol Buffers
6 5 (0.91%) WebSockets
7 4 (0.73%) HTML
8 3 (0.55%) Elastic Stack
8 3 (0.55%) REST
9 2 (0.37%) Kafka
10 1 (0.18%) Express
10 1 (0.18%) LAMP
10 1 (0.18%) Middleware
Miscellaneous
1 74 (13.53%) Analytical Skills
2 61 (11.15%) Data Centre
3 43 (7.86%) Management Information System
3 43 (7.86%) Self-Motivation
4 39 (7.13%) Video Conferencing
5 23 (4.20%) iPhone
6 18 (3.29%) Clustering
7 17 (3.11%) iPad
8 15 (2.74%) User Experience
9 12 (2.19%) Microsoft Licensing
10 10 (1.83%) Replication
11 9 (1.65%) Driving Licence
12 8 (1.46%) Blackberry
12 8 (1.46%) Hedge funds
12 8 (1.46%) Hybrid Cloud
12 8 (1.46%) PKI
13 7 (1.28%) Fintech
13 7 (1.28%) Handset
14 5 (0.91%) BYOD
14 5 (0.91%) Public Cloud
Operating Systems
1 292 (53.38%) Windows
2 145 (26.51%) Windows Server
3 140 (25.59%) Windows 10
4 83 (15.17%) Linux
5 80 (14.63%) Windows 7
6 68 (12.43%) Windows Server 2008
7 63 (11.52%) Windows Server 2012
8 35 (6.40%) Apple iOS
9 34 (6.22%) Android
10 26 (4.75%) Mac OS X
11 17 (3.11%) Windows Server 2003
12 13 (2.38%) Mac OS
12 13 (2.38%) Windows 8
13 9 (1.65%) Unix
13 9 (1.65%) Windows XP
14 7 (1.28%) CentOS
15 4 (0.73%) Ubuntu
16 2 (0.37%) Data ONTAP
16 2 (0.37%) Windows Vista
17 1 (0.18%) HPUX
Processes & Methodologies
1 110 (20.11%) Problem-Solving
2 104 (19.01%) ITIL
3 66 (12.07%) Infrastructure Engineering
4 49 (8.96%) Project Management
5 44 (8.04%) Cybersecurity
6 37 (6.76%) Service Delivery
7 35 (6.40%) Computer Science
8 34 (6.22%) Patch Management
8 34 (6.22%) Service Management
9 32 (5.85%) Migration
9 32 (5.85%) Technical Leadership
10 30 (5.48%) Change Management
11 29 (5.30%) Network Monitoring
12 28 (5.12%) Agile Software Development
12 28 (5.12%) Disaster Recovery
13 23 (4.20%) Mentoring
14 22 (4.02%) Infrastructure Monitoring
14 22 (4.02%) Network Design
15 21 (3.84%) Configuration Management
15 21 (3.84%) IT Strategy
Programming Languages
1 57 (10.42%) PowerShell
2 40 (7.31%) SQL
3 22 (4.02%) Java
4 9 (1.65%) C
4 9 (1.65%) C++
4 9 (1.65%) VBScript
5 8 (1.46%) Python
6 6 (1.10%) Bash Shell
6 6 (1.10%) VB
7 5 (0.91%) Objective-C
7 5 (0.91%) PHP
8 4 (0.73%) C#
8 4 (0.73%) Go
8 4 (0.73%) Ruby
9 1 (0.18%) Tcl
Qualifications
1 131 (23.95%) Cisco Certification
2 78 (14.26%) CCNA
3 73 (13.35%) CCNP
4 69 (12.61%) CCIE
5 62 (11.33%) Degree
6 45 (8.23%) Microsoft Certification
7 36 (6.58%) CCVP
8 25 (4.57%) MCSE
9 21 (3.84%) Computer Science Degree
10 20 (3.66%) Security Cleared
11 12 (2.19%) CCDP
11 12 (2.19%) CCIE Collaboration
11 12 (2.19%) ITIL Certification
12 11 (2.01%) CISSP
13 10 (1.83%) CCNP Voice
14 9 (1.65%) MCSA
15 8 (1.46%) A+ Certification
16 7 (1.28%) CCIE Routing and Switching
17 5 (0.91%) Avaya Certification
17 5 (0.91%) SANS
Quality Assurance & Compliance
1 31 (5.67%) SLA
2 18 (3.29%) ISO/IEC 27001
3 17 (3.11%) GDPR
4 16 (2.93%) PCI DSS
5 4 (0.73%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 3 (0.55%) Cyber Essentials
6 3 (0.55%) Sarbanes-Oxley
7 1 (0.18%) ISO 22301
7 1 (0.18%) PMO
System Software
1 252 (46.07%) Active Directory
2 86 (15.72%) VMware Infrastructure
3 49 (8.96%) Hyper-V
4 22 (4.02%) vSphere
4 22 (4.02%) XenApp
5 19 (3.47%) Docker
6 17 (3.11%) XenDesktop
7 11 (2.01%) Terminal Services
7 11 (2.01%) Virtual Servers
8 10 (1.83%) VMware ESXi
9 9 (1.65%) VMware Workstation
10 8 (1.46%) NFS
11 7 (1.28%) Firmware
11 7 (1.28%) Microsoft Virtual Server
11 7 (1.28%) Virtual Desktop
12 3 (0.55%) ProxySG
12 3 (0.55%) Virtual Machines
12 3 (0.55%) VMware Server
13 2 (0.37%) DFS Replication
13 2 (0.37%) VMFS
Systems Management
1 66 (12.07%) Cisco CUCM
2 46 (8.41%) SCCM
3 29 (5.30%) Cisco UCCX
4 26 (4.75%) Backup Exec
5 23 (4.20%) Cisco UCCE
6 20 (3.66%) Microsoft Intune
7 18 (3.29%) Nagios
8 10 (1.83%) Nessus
8 10 (1.83%) WSUS
9 9 (1.65%) Ansible
9 9 (1.65%) ZABBIX
10 8 (1.46%) Cisco Prime
10 8 (1.46%) Single Sign-On
10 8 (1.46%) vCenter Server
11 6 (1.10%) AirWatch
11 6 (1.10%) Norton AntiVirus
12 5 (0.91%) Kubernetes
12 5 (0.91%) MaaS360
12 5 (0.91%) Opscode Chef
12 5 (0.91%) XenMobile
Vendors
1 241 (44.06%) Microsoft
2 233 (42.60%) Cisco
3 153 (27.97%) VMware
4 76 (13.89%) Citrix
5 61 (11.15%) Palo Alto
6 52 (9.51%) Mitel
7 47 (8.59%) Meraki
8 42 (7.68%) HP
8 42 (7.68%) SolarWinds
9 39 (7.13%) CheckPoint
10 37 (6.76%) Avaya
11 32 (5.85%) Apple
11 32 (5.85%) Veeam
12 31 (5.67%) Juniper
13 30 (5.48%) BT
14 29 (5.30%) Riverbed
15 28 (5.12%) Speakerbus
16 23 (4.20%) EMC
16 23 (4.20%) Polycom
17 18 (3.29%) Dell