Period
to 25 July 2021

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for VoIP skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited VoIP over the 6 months to 25 July 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Voice Over IP (VoIP)
England > London
6 months to
25 Jul 2021
Same period 2020 Same period 2019
Rank 427 314 465
Rank change year-on-year -113 +151 -26
Contract jobs citing VoIP 88 67 144
As % of all contract jobs advertised in London 0.30% 0.41% 0.36%
As % of the Communications & Networking category 3.18% 3.81% 3.44%
Number of daily rates quoted 59 50 104
10th Percentile £158 £149 £150
25th Percentile £239 £181 £194
Median daily rate (50th Percentile) £413 £323 £345
Median % change year-on-year +27.81% -6.45% -1.43%
75th Percentile £510 £529 £488
90th Percentile £590 £575 £525
England median daily rate £413 £400 £350
% change year-on-year +3.13% +14.29% +3.70%
Number of hourly rates quoted 0 1 5
Median hourly rate - £24.00 £19.00
Median % change year-on-year - +26.32% -6.17%
England median hourly rate £20.12 £18.50 £17.50
% change year-on-year +8.76% +5.71% -12.50%

VoIP is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Contract vacancies with a requirement for communications or computer networking skills 2,766 1,757 4,192
As % of all contract IT jobs advertised in London 9.34% 10.82% 10.35%
Number of daily rates quoted 1,885 1,220 2,869
10th Percentile £297 £255 £217
25th Percentile £400 £363 £363
Median daily rate (50th Percentile) £500 £470 £475
Median % change year-on-year +6.38% -1.05% +5.56%
75th Percentile £613 £575 £575
90th Percentile £700 £657 £656
England median daily rate £450 £450 £425
% change year-on-year - +5.88% -
Number of hourly rates quoted 35 44 100
10th Percentile £13.10 £15.08 £13.86
25th Percentile £20.00 £24.63 £17.81
Median hourly rate £30.00 £40.75 £21.75
Median % change year-on-year -26.38% +87.36% +8.75%
75th Percentile £51.88 £47.83 £43.20
90th Percentile £69.80 £53.38 £51.38
England median hourly rate £22.00 £23.50 £21.00
% change year-on-year -6.38% +11.90% +5.00%

VoIP
Job Vacancy Trend in London

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

Job vacancy trend for VoIP in London

VoIP
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing VoIP in London.

Daily rate trend for VoIP in London

VoIP
Daily Rate Histogram in London

Daily rate distribution for jobs citing VoIP in London over the 6 months to 25 July 2021.

Daily rate histogram for VoIP in London

VoIP
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing VoIP in London.

Hourly rate trend for VoIP in London

VoIP
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing VoIP within the London region over the 6 months to 25 July 2021. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -21 11 £425 -15.00% 22
East London +7 3 £165 -17.50% 5
West London -1 2 £491 +180.49% 4
VoIP
England

For the 6 months to 25 July 2021, IT contractor 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 contract job ads across the London region with a requirement for VoIP.

1 35 (39.77%) Cisco
2 33 (37.50%) Microsoft
3 30 (34.09%) LAN
4 26 (29.55%) Active Directory
4 26 (29.55%) Microsoft 365
5 25 (28.41%) WAN
5 25 (28.41%) Windows
6 23 (26.14%) Firewall
7 20 (22.73%) Telecoms
8 16 (18.18%) Wireless
9 15 (17.05%) Social Skills
10 14 (15.91%) Unified Communications
10 14 (15.91%) ITIL
10 14 (15.91%) TCP/IP
11 13 (14.77%) VMware
12 12 (13.64%) Wi-Fi
12 12 (13.64%) DNS
12 12 (13.64%) Cisco Certification
12 12 (13.64%) Azure
12 12 (13.64%) Windows Server
13 11 (12.50%) Project Delivery
13 11 (12.50%) DHCP
13 11 (12.50%) CCNP
13 11 (12.50%) Computer Science
13 11 (12.50%) SCCM
13 11 (12.50%) Network Security
14 10 (11.36%) Degree
14 10 (11.36%) VLAN
14 10 (11.36%) Finance
14 10 (11.36%) Internet

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 4 (4.55%) Skype for Business
2 3 (3.41%) CMS
2 3 (3.41%) SharePoint
3 2 (2.27%) MS Exchange
4 1 (1.14%) Exchange Server 2010
4 1 (1.14%) IIS
Applications
1 5 (5.68%) MS Visio
2 4 (4.55%) Microsoft Excel
2 4 (4.55%) Microsoft PowerPoint
3 3 (3.41%) Microsoft Office
Cloud Services
1 26 (29.55%) Microsoft 365
2 12 (13.64%) Azure
3 9 (10.23%) AWS
4 5 (5.68%) Amazon EC2
4 5 (5.68%) Azure ExpressRoute
4 5 (5.68%) SaaS
5 4 (4.55%) Amazon S3
5 4 (4.55%) AWS Lambda
5 4 (4.55%) IaaS
5 4 (4.55%) Serverless
6 3 (3.41%) Cloud Computing
6 3 (3.41%) PaaS
7 1 (1.14%) Amazon EKS
7 1 (1.14%) AWS Fargate
7 1 (1.14%) Azure Active Directory
7 1 (1.14%) GCP
7 1 (1.14%) Mimecast
Communications & Networking
1 30 (34.09%) LAN
2 25 (28.41%) WAN
3 23 (26.14%) Firewall
4 16 (18.18%) Wireless
5 14 (15.91%) TCP/IP
5 14 (15.91%) Unified Communications
6 12 (13.64%) DNS
6 12 (13.64%) Wi-Fi
7 11 (12.50%) DHCP
7 11 (12.50%) Network Security
8 10 (11.36%) Internet
8 10 (11.36%) VLAN
9 9 (10.23%) MPLS
9 9 (10.23%) WebEx
10 7 (7.95%) Ethernet
10 7 (7.95%) SD-WAN
11 6 (6.82%) FTP
11 6 (6.82%) ICMP
11 6 (6.82%) SMTP
11 6 (6.82%) TETRA
Database & Business Intelligence
1 4 (4.55%) Amazon DynamoDB
1 4 (4.55%) SQL Server
1 4 (4.55%) SQL Server 2014
2 3 (3.41%) SQL Server 2012
2 3 (3.41%) SQL Server 2016
3 1 (1.14%) Big Data
Development Applications
1 1 (1.14%) JIRA
1 1 (1.14%) PowerDesigner
General
1 20 (22.73%) Telecoms
2 15 (17.05%) Social Skills
3 10 (11.36%) Finance
4 8 (9.09%) Banking
5 3 (3.41%) Analytical Skills
5 3 (3.41%) Retail
6 2 (2.27%) Financial Institution
6 2 (2.27%) Marketing
7 1 (1.14%) Back Office
7 1 (1.14%) Billing
7 1 (1.14%) Documentation Skills
7 1 (1.14%) Manufacturing
7 1 (1.14%) Organisational Skills
7 1 (1.14%) Presentation Skills
7 1 (1.14%) Public Sector
7 1 (1.14%) Spanish Language
Job Titles
1 21 (23.86%) Network Engineer
2 13 (14.77%) Architect
3 11 (12.50%) Support Engineer
4 10 (11.36%) Analyst
5 8 (9.09%) Voice Engineer
6 5 (5.68%) Infrastructure Engineer
6 5 (5.68%) Senior Voice Engineer
6 5 (5.68%) Solutions Architect
6 5 (5.68%) Voice Network Engineer
7 4 (4.55%) Applications Specialist
7 4 (4.55%) Applications Support
7 4 (4.55%) Applications Support Specialist
7 4 (4.55%) Project Manager
7 4 (4.55%) Security Engineer
7 4 (4.55%) Senior Network Engineer
7 4 (4.55%) Support Specialist
8 3 (3.41%) Cisco Network Engineer
8 3 (3.41%) Network Architect
8 3 (3.41%) Senior Telecoms Engineer
8 3 (3.41%) Telecoms Engineer
Libraries, Frameworks & Software Standards
1 5 (5.68%) 802.1X
2 4 (4.55%) Middleware
3 2 (2.27%) GraphQL
3 2 (2.27%) WebRTC
3 2 (2.27%) XMPP
4 1 (1.14%) .NET
4 1 (1.14%) Apollo GraphQL
4 1 (1.14%) ASP.NET Web API
4 1 (1.14%) HTML
4 1 (1.14%) RESTful
4 1 (1.14%) Web Services
4 1 (1.14%) WPF
Miscellaneous
1 7 (7.95%) Video Conferencing
2 6 (6.82%) CCTV
2 6 (6.82%) Fibre Optics
2 6 (6.82%) Management Information System
2 6 (6.82%) SCADA
3 4 (4.55%) Data Centre
3 4 (4.55%) Life Science
3 4 (4.55%) PKI
4 3 (3.41%) Mainframe
5 2 (2.27%) BYOD
5 2 (2.27%) Clustering
5 2 (2.27%) EPoS
6 1 (1.14%) Greenfield Project
6 1 (1.14%) Handset
6 1 (1.14%) Hybrid Cloud
6 1 (1.14%) Replication
6 1 (1.14%) Thin Client
6 1 (1.14%) Video\Live Streaming
6 1 (1.14%) Virtual Team
6 1 (1.14%) Web 2.0
Operating Systems
1 25 (28.41%) Windows
2 12 (13.64%) Windows Server
3 10 (11.36%) Windows 10
4 7 (7.95%) Apple iOS
5 5 (5.68%) Windows 7
6 4 (4.55%) Linux
6 4 (4.55%) Windows Server 2012
6 4 (4.55%) Windows Server 2016
7 3 (3.41%) Android
8 2 (2.27%) Mac OS
8 2 (2.27%) Unix
8 2 (2.27%) Windows Server 2008
9 1 (1.14%) Solaris
Processes & Methodologies
1 14 (15.91%) ITIL
2 11 (12.50%) Computer Science
2 11 (12.50%) Project Delivery
3 9 (10.23%) Migration
4 7 (7.95%) Infrastructure Engineering
5 6 (6.82%) Acceptance Criteria
5 6 (6.82%) Business Continuity
5 6 (6.82%) Information Security
5 6 (6.82%) Stakeholder Management
6 5 (5.68%) BCP
6 5 (5.68%) Business Continuity Planning
6 5 (5.68%) Problem-Solving
6 5 (5.68%) Project Management
7 4 (4.55%) Cybersecurity
7 4 (4.55%) Identity Access Management
7 4 (4.55%) Network Management
7 4 (4.55%) Network Monitoring
7 4 (4.55%) SABSA
7 4 (4.55%) Security Architecture
7 4 (4.55%) Translating Business Requirements
Programming Languages
1 5 (5.68%) PowerShell
2 4 (4.55%) SQL
3 2 (2.27%) Apple Swift
3 2 (2.27%) C
3 2 (2.27%) JavaScript
4 1 (1.14%) C#
4 1 (1.14%) Java
Qualifications
1 12 (13.64%) Cisco Certification
2 11 (12.50%) CCNP
3 10 (11.36%) Degree
4 6 (6.82%) Microsoft Certification
5 5 (5.68%) CCNA
5 5 (5.68%) Security Cleared
6 4 (4.55%) CISSP
6 4 (4.55%) Computer Science Degree
6 4 (4.55%) GIAC
6 4 (4.55%) SC Cleared
7 3 (3.41%) TOGAF Certification
8 2 (2.27%) CCDP
8 2 (2.27%) CCIE
8 2 (2.27%) CCSA
8 2 (2.27%) ITIL Foundation Certificate
8 2 (2.27%) MCSE
9 1 (1.14%) CCIE Collaboration
9 1 (1.14%) MCITP
9 1 (1.14%) MCP
Quality Assurance & Compliance
1 6 (6.82%) SLA
2 4 (4.55%) ISO/IEC 27001
3 1 (1.14%) COBIT
3 1 (1.14%) HAZOP
3 1 (1.14%) PCI DSS
3 1 (1.14%) QA
System Software
1 26 (29.55%) Active Directory
2 9 (10.23%) VMware Infrastructure
3 4 (4.55%) vSphere
4 3 (3.41%) Hyper-V
4 3 (3.41%) VMware Workstation
5 1 (1.14%) Docker
5 1 (1.14%) Kamailio
5 1 (1.14%) XenApp
5 1 (1.14%) XenDesktop
Systems Management
1 11 (12.50%) SCCM
2 10 (11.36%) Cisco CUCM
3 5 (5.68%) Cisco UCCX
4 3 (3.41%) SCOM
4 3 (3.41%) SCSM
5 2 (2.27%) Microsoft Intune
5 2 (2.27%) Tivoli Storage Manager
6 1 (1.14%) Backup Exec
6 1 (1.14%) Cisco UCCE
6 1 (1.14%) Nessus
6 1 (1.14%) RSA Archer
6 1 (1.14%) WhatsUp Gold
6 1 (1.14%) WSUS
Vendors
1 35 (39.77%) Cisco
2 33 (37.50%) Microsoft
3 13 (14.77%) VMware
4 6 (6.82%) ServiceNow
5 5 (5.68%) Meraki
5 5 (5.68%) Palo Alto
6 3 (3.41%) Citrix
6 3 (3.41%) IBM
6 3 (3.41%) Mitel
6 3 (3.41%) Siemens
7 2 (2.27%) Aruba
7 2 (2.27%) Avaya
7 2 (2.27%) CheckPoint
7 2 (2.27%) Dialogic
7 2 (2.27%) Oracle
7 2 (2.27%) Remedy
7 2 (2.27%) SolarWinds
7 2 (2.27%) Sonus
7 2 (2.27%) Veeam
7 2 (2.27%) Xerox