Period
to 18 December 2018

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

Voice Over IP (VoIP)
England > London
6 months to
18 Dec 2018
Same period 2017 Same period 2016
Rank 362 358 302
Rank change year-on-year -4 -56 -34
Permanent jobs citing VoIP 551 644 856
As % of all permanent IT jobs advertised in London 0.83% 0.87% 1.16%
As % of the Communications & Networking category 6.24% 6.16% 7.37%
Number of salaries quoted 470 595 800
London median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% -
10th Percentile £26,585 £24,750 £26,250
90th Percentile £76,250 £78,750 £78,750
England median annual salary £37,750 £40,000 £39,500
% change year-on-year -5.63% +1.27% -1.25%

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 8,827 10,457 11,620
As % of all permanent IT jobs advertised in London 13.31% 14.16% 15.78%
Number of salaries quoted 7,155 8,647 9,867
London median annual salary £55,000 £54,000 £54,000
Median salary % change year-on-year +1.85% - +8.00%
10th Percentile £30,000 £31,000 £30,000
90th Percentile £85,000 £80,000 £80,000
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

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 December 2018.

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 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
Central London +6 97 £49,500 +10.00% 14
West London +7 41 £40,000 -11.11% 13
South London -16 21 £46,250 -11.90%
East London -11 11 £56,500 +45.81% 2
North London +9 4 £30,000 +50.00% 3
VoIP
England

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 London region with a requirement for VoIP.

1 287 (52.09%) Windows
2 260 (47.19%) Firewall
3 248 (45.01%) Cisco
4 230 (41.74%) Microsoft
5 205 (37.21%) Active Directory
6 181 (32.85%) WAN
7 177 (32.12%) LAN
8 176 (31.94%) Office 365
9 149 (27.04%) VMware
10 145 (26.32%) Cisco Certification
11 142 (25.77%) Windows Server
12 137 (24.86%) Finance
13 136 (24.68%) VPN
14 131 (23.77%) TCP/IP
15 120 (21.78%) Wireless
16 116 (21.05%) MPLS
17 108 (19.60%) Windows 10
18 102 (18.51%) DNS
19 99 (17.97%) Microsoft Office
20 98 (17.79%) OSPF
21 97 (17.60%) BGP
21 97 (17.60%) Problem-Solving
22 94 (17.06%) ITIL
23 91 (16.52%) Data Centre
23 91 (16.52%) Cisco CUCM
24 89 (16.15%) Windows 7
25 87 (15.79%) Linux
26 86 (15.61%) DHCP
26 86 (15.61%) VMware Infrastructure
27 84 (15.25%) MS Exchange

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 84 (15.25%) MS Exchange
2 80 (14.52%) Skype for Business
3 47 (8.53%) SharePoint
4 45 (8.17%) Exchange Server 2010
5 37 (6.72%) CMS
6 23 (4.17%) Exchange Server 2013
7 15 (2.72%) IIS
8 14 (2.54%) Exchange Server 2007
9 9 (1.63%) Apache
10 8 (1.45%) Tomcat
11 6 (1.09%) nginx
12 4 (0.73%) Elasticsearch
12 4 (0.73%) SharePoint Server
13 2 (0.36%) OpenStack
14 1 (0.18%) Confluence
14 1 (0.18%) IBM Notes
14 1 (0.18%) JBoss
14 1 (0.18%) SAS
14 1 (0.18%) WordPress
Applications
1 99 (17.97%) Microsoft Office
2 23 (4.17%) Microsoft Excel
3 18 (3.27%) Microsoft PowerPoint
4 17 (3.09%) MS Visio
5 4 (0.73%) InVision
5 4 (0.73%) Photoshop
6 1 (0.18%) Adobe Creative Suite
Business Applications
1 5 (0.91%) Dynamics CRM
2 4 (0.73%) Dynamics NAV
3 3 (0.54%) Remedy ITSM
4 2 (0.36%) Maximo
5 1 (0.18%) Dynamics AX
5 1 (0.18%) NetSuite
5 1 (0.18%) Payment Gateway
Cloud Services
1 176 (31.94%) Office 365
2 73 (13.25%) Microsoft Azure
3 60 (10.89%) Amazon AWS
4 27 (4.90%) G Suite
5 15 (2.72%) Azure Active Directory
6 14 (2.54%) SaaS
7 13 (2.36%) Amazon EC2
8 12 (2.18%) Amazon S3
9 11 (2.00%) Cloud Computing
10 8 (1.45%) OneDrive
11 5 (0.91%) IaaS
11 5 (0.91%) Mimecast
11 5 (0.91%) OpenDNS
11 5 (0.91%) Virtual Private Cloud
12 4 (0.73%) Adobe Creative Cloud
12 4 (0.73%) Dropbox
13 3 (0.54%) PaaS
14 2 (0.36%) Google Cloud Platform
15 1 (0.18%) Dynamics 365
15 1 (0.18%) Yammer
Communications & Networking
1 260 (47.19%) Firewall
2 181 (32.85%) WAN
3 177 (32.12%) LAN
4 136 (24.68%) VPN
5 131 (23.77%) TCP/IP
6 120 (21.78%) Wireless
7 116 (21.05%) MPLS
8 102 (18.51%) DNS
9 98 (17.79%) OSPF
10 97 (17.60%) BGP
11 86 (15.61%) DHCP
12 79 (14.34%) Unified Communications
13 72 (13.07%) Cisco Nexus
14 70 (12.70%) Skype
15 64 (11.62%) SAN
16 62 (11.25%) EIGRP
16 62 (11.25%) IPsec
17 59 (10.71%) VLAN
18 56 (10.16%) Network Security
19 53 (9.62%) Internet
Database & Business Intelligence
1 34 (6.17%) SQL Server
2 12 (2.18%) MySQL
3 11 (2.00%) SQL Server 2008
4 10 (1.81%) SQL Server 2014
5 9 (1.63%) Data Warehouse
5 9 (1.63%) SQL Server 2012
5 9 (1.63%) SQL Server 2016
6 7 (1.27%) Amazon RDS
7 5 (0.91%) Hadoop
7 5 (0.91%) SQL Server 2005
8 4 (0.73%) Big Data
8 4 (0.73%) DB2
8 4 (0.73%) PostgreSQL
9 2 (0.36%) Redis
10 1 (0.18%) MariaDB
10 1 (0.18%) NoSQL
10 1 (0.18%) Power BI
Development Applications
1 13 (2.36%) JIRA
2 4 (0.73%) Axure RP
3 3 (0.54%) Jenkins
3 3 (0.54%) Selenium
4 1 (0.18%) AppScan
4 1 (0.18%) Atlassian Bamboo
4 1 (0.18%) AutoIt
4 1 (0.18%) Bitbucket
4 1 (0.18%) Git (software)
4 1 (0.18%) HP UFT
4 1 (0.18%) Hudson
4 1 (0.18%) Metasploit
4 1 (0.18%) Paros
4 1 (0.18%) Rational Functional Tester
4 1 (0.18%) Robot Framework
4 1 (0.18%) Sikuli
4 1 (0.18%) Sonatype Nexus
4 1 (0.18%) Vagrant
4 1 (0.18%) WinRunner
General
1 137 (24.86%) Finance
2 71 (12.89%) Telecoms
3 63 (11.43%) Banking
4 33 (5.99%) Retail
5 21 (3.81%) Legal
6 19 (3.45%) Front Office
7 16 (2.90%) Law
8 13 (2.36%) Advertising
9 10 (1.81%) Manufacturing
10 8 (1.45%) Games
10 8 (1.45%) Marketing
10 8 (1.45%) Multimedia
11 4 (0.73%) Investment Banking
12 3 (0.54%) Billing
12 3 (0.54%) French Language
13 2 (0.36%) Back Office
13 2 (0.36%) Financial Institution
14 1 (0.18%) Electronics
14 1 (0.18%) Pharmaceutical
Job Titles
1 98 (17.79%) Support Engineer
2 94 (17.06%) Network Engineer
3 57 (10.34%) Analyst
4 56 (10.16%) Cisco Engineer
5 51 (9.26%) Voice Engineer
6 50 (9.07%) Infrastructure Engineer
7 47 (8.53%) IT Support
8 38 (6.90%) Cisco Network Engineer
9 34 (6.17%) VoIP Engineer
10 32 (5.81%) Cisco Voice Engineer
10 32 (5.81%) IT Engineer
11 31 (5.63%) IT Manager
12 30 (5.44%) 2nd Line Support
13 28 (5.08%) Desktop Support
13 28 (5.08%) Support Analyst
14 26 (4.72%) 2nd Line Engineer
14 26 (4.72%) Architect
15 22 (3.99%) Infrastructure Analyst
15 22 (3.99%) Telephony Engineer
15 22 (3.99%) Voice Network Engineer
Libraries, Frameworks & Software Standards
1 44 (7.99%) XMPP
2 24 (4.36%) 802.1X
3 19 (3.45%) Web Services
4 10 (1.81%) Middleware
5 4 (0.73%) Elastic Stack
5 4 (0.73%) Framer.js
5 4 (0.73%) HTML
5 4 (0.73%) LDAP
6 3 (0.54%) Kafka
7 2 (0.36%) CSS
7 2 (0.36%) LAMP
7 2 (0.36%) REST
7 2 (0.36%) WSH
8 1 (0.18%) CodeIgniter
8 1 (0.18%) FIX Protocol
8 1 (0.18%) JSON
8 1 (0.18%) SOAP
8 1 (0.18%) Velocity
8 1 (0.18%) XML
8 1 (0.18%) X-Windows
Miscellaneous
1 91 (16.52%) Data Centre
2 57 (10.34%) Analytical Skills
3 49 (8.89%) Self-Motivation
4 44 (7.99%) Video Conferencing
5 37 (6.72%) Management Information System
6 18 (3.27%) Clustering
6 18 (3.27%) User Experience
7 17 (3.09%) NHS
8 15 (2.72%) Fintech
9 11 (2.00%) Virtual Team
10 9 (1.63%) EPoS
10 9 (1.63%) Hedge funds
10 9 (1.63%) iPhone
10 9 (1.63%) IVR
11 8 (1.45%) PKI
12 7 (1.27%) Replication
13 6 (1.09%) Handset
13 6 (1.09%) iPad
13 6 (1.09%) Microsoft Licensing
13 6 (1.09%) Private Cloud
Operating Systems
1 287 (52.09%) Windows
2 142 (25.77%) Windows Server
3 108 (19.60%) Windows 10
4 89 (16.15%) Windows 7
5 87 (15.79%) Linux
6 78 (14.16%) Windows Server 2008
7 59 (10.71%) Windows Server 2012
8 21 (3.81%) Apple iOS
9 20 (3.63%) Mac OS X
10 18 (3.27%) Unix
11 15 (2.72%) Android
11 15 (2.72%) Windows Server 2003
12 11 (2.00%) CentOS
12 11 (2.00%) Windows 8
13 9 (1.63%) Mac OS
13 9 (1.63%) Windows XP
14 7 (1.27%) Data ONTAP
15 4 (0.73%) HPUX
15 4 (0.73%) Solaris
15 4 (0.73%) zOS
Processes & Methodologies
1 97 (17.60%) Problem-Solving
2 94 (17.06%) ITIL
3 73 (13.25%) Infrastructure Engineering
4 44 (7.99%) Project Management
5 40 (7.26%) Service Delivery
6 35 (6.35%) Disaster Recovery
6 35 (6.35%) Information Security
6 35 (6.35%) Patch Management
7 33 (5.99%) Service Management
8 30 (5.44%) Cybersecurity
9 28 (5.08%) Computer Science
10 27 (4.90%) Mentoring
11 26 (4.72%) CRM
12 25 (4.54%) Change Management
12 25 (4.54%) Network Monitoring
12 25 (4.54%) Time Management
13 23 (4.17%) Network Design
13 23 (4.17%) Technical Leadership
13 23 (4.17%) Vulnerability Assessment
14 21 (3.81%) Migration
Programming Languages
1 35 (6.35%) PowerShell
2 34 (6.17%) SQL
3 12 (2.18%) Python
4 11 (2.00%) C
5 8 (1.45%) Java
5 8 (1.45%) PHP
6 7 (1.27%) VB
7 6 (1.09%) VBScript
8 5 (0.91%) Bash Shell
9 3 (0.54%) Perl
10 2 (0.36%) C#
11 1 (0.18%) Java 8
Qualifications
1 145 (26.32%) Cisco Certification
2 80 (14.52%) CCNP
3 79 (14.34%) CCNA
4 57 (10.34%) CCIE
5 53 (9.62%) Degree
6 46 (8.35%) CCVP
7 37 (6.72%) Microsoft Certification
8 23 (4.17%) MCSE
9 12 (2.18%) CCNP Voice
10 9 (1.63%) Computer Science Degree
11 8 (1.45%) Master's Degree
11 8 (1.45%) MCSA
12 7 (1.27%) CCDP
12 7 (1.27%) Security Cleared
13 6 (1.09%) CISSP
13 6 (1.09%) CREST Certified
13 6 (1.09%) ITIL Certification
14 5 (0.91%) MCP
14 5 (0.91%) Postgraduate
15 4 (0.73%) CISA
Quality Assurance & Compliance
1 30 (5.44%) SLA
2 22 (3.99%) ISO/IEC 27001
3 13 (2.36%) GDPR
4 10 (1.81%) PCI DSS
5 5 (0.91%) Sarbanes-Oxley
6 4 (0.73%) Cyber Essentials
7 2 (0.36%) COBIT
7 2 (0.36%) Cyber Essentials PLUS
7 2 (0.36%) QA
7 2 (0.36%) Solvency II
System Software
1 205 (37.21%) Active Directory
2 86 (15.61%) VMware Infrastructure
3 42 (7.62%) Hyper-V
4 21 (3.81%) XenApp
5 19 (3.45%) Terminal Services
6 17 (3.09%) vSphere
7 11 (2.00%) Virtual Desktop
8 9 (1.63%) VMware ESXi
9 8 (1.45%) NFS
9 8 (1.45%) Virtual Servers
10 7 (1.27%) XenDesktop
11 6 (1.09%) Virtual Machines
12 5 (0.91%) VMFS
13 4 (0.73%) DFS Replication
13 4 (0.73%) Docker
14 3 (0.54%) Firmware
14 3 (0.54%) VMware Server
15 1 (0.18%) Ceph
15 1 (0.18%) KVM
15 1 (0.18%) Postfix
Systems Management
1 91 (16.52%) Cisco CUCM
2 29 (5.26%) Cisco UCCE
2 29 (5.26%) Cisco UCCX
3 26 (4.72%) SCCM
4 25 (4.54%) Backup Exec
5 21 (3.81%) Nagios
6 13 (2.36%) vCenter Server
7 12 (2.18%) Cisco Prime
8 10 (1.81%) Microsoft Intune
9 9 (1.63%) WSUS
10 8 (1.45%) Ansible
10 8 (1.45%) Nessus
11 7 (1.27%) Jamf Pro
11 7 (1.27%) XenMobile
12 6 (1.09%) MaaS360
12 6 (1.09%) SolarWinds Orion
13 5 (0.91%) Failover Clustering
13 5 (0.91%) FortiGate
14 4 (0.73%) Single Sign-On
14 4 (0.73%) ZABBIX
Vendors
1 248 (45.01%) Cisco
2 230 (41.74%) Microsoft
3 149 (27.04%) VMware
4 80 (14.52%) Citrix
5 75 (13.61%) Palo Alto
6 50 (9.07%) Mitel
7 49 (8.89%) SolarWinds
8 46 (8.35%) CheckPoint
9 45 (8.17%) Avaya
10 37 (6.72%) HP
11 35 (6.35%) Riverbed
11 35 (6.35%) Veeam
12 33 (5.99%) BT
12 33 (5.99%) Speakerbus
13 30 (5.44%) Google
13 30 (5.44%) Juniper
14 27 (4.90%) Meraki
15 24 (4.36%) Polycom
16 23 (4.17%) Red Box
17 22 (3.99%) Fortinet