Period
to 17 January 2019

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 17 January 2019 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)
East of England > Hertfordshire
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 82 91 89
Rank change year-on-year +9 -2 -6
Contract jobs citing VoIP 15 9 5
As % of all contract IT jobs advertised in Hertfordshire 1.04% 0.58% 0.35%
As % of the Communications & Networking category 5.10% 3.35% 1.61%
Number of daily rates quoted 13 2 4
Hertfordshire median daily rate £300 £281 £281
Median daily rate % change year-on-year +6.67% - -13.46%
10th Percentile £126 £261 £181
90th Percentile £450 £297 £675
East of England median daily rate £250 £168 £250
% change year-on-year +49.25% -33.00% -16.67%
Number of hourly rates quoted 0 5 0
Hertfordshire median hourly rate - £16.81 -
East of England median hourly rate £16.50 £16.81 £23.06
% change year-on-year -1.81% -27.11% +12.46%

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 Hertfordshire with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Hertfordshire
Contract vacancies with a requirement for communications or computer networking skills 294 269 311
As % of all contract IT jobs advertised in Hertfordshire 20.32% 17.35% 21.95%
Number of daily rates quoted 117 118 162
Hertfordshire median daily rate £375 £363 £375
Median daily rate % change year-on-year +3.45% -3.33% -
10th Percentile £193 £188 £195
90th Percentile £500 £550 £538
East of England median daily rate £388 £363 £350
% change year-on-year +6.90% +3.57% -6.67%
Number of hourly rates quoted 30 34 10
Hertfordshire median hourly rate £16.00 £16.65 £36.60
Median hourly rate % change year-on-year -3.92% -54.50% +74.29%
10th Percentile £12.25 £11.63 £13.38
90th Percentile £66.81 £31.28 £44.53
East of England median hourly rate £16.50 £29.75 £34.62
% change year-on-year -44.54% -14.07% +15.40%

VoIP
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for VoIP in Hertfordshire

VoIP
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing VoIP in Hertfordshire.

Contractor daily rate trend for VoIP in Hertfordshire

VoIP
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing VoIP in Hertfordshire over the 6 months to 17 January 2019.

Contractor daily rate histogram for VoIP in Hertfordshire

VoIP
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing VoIP in Hertfordshire.

Contractor hourly rate trend for VoIP in Hertfordshire

VoIP
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing VoIP within the Hertfordshire region over the 6 months to 17 January 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Waltham Cross - 4 £300 -
Watford +10 3 £399 +32.92%
Hatfield - 1 - - 5
Letchworth - 1 - -
St Albans - 1 £175 -
VoIP
East of England

For the 6 months to 17 January 2019, 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 Hertfordshire region with a requirement for VoIP.

1 10 (66.67%) Windows
2 7 (46.67%) Linux
3 6 (40.00%) Microsoft
4 5 (33.33%) Cisco
4 5 (33.33%) Active Directory
4 5 (33.33%) DHCP
4 5 (33.33%) HTTP
4 5 (33.33%) TCP/IP
4 5 (33.33%) VPN
4 5 (33.33%) Python
4 5 (33.33%) Perl
4 5 (33.33%) C
4 5 (33.33%) Telecoms
4 5 (33.33%) Subversion
4 5 (33.33%) Hyper-V
4 5 (33.33%) Team Foundation Server
5 4 (26.67%) Valgrind
5 4 (26.67%) FreeSWITCH
5 4 (26.67%) GDB
5 4 (26.67%) Office 365
5 4 (26.67%) KVM
5 4 (26.67%) IGMP
5 4 (26.67%) VLAN
5 4 (26.67%) Wireshark
5 4 (26.67%) Internet
5 4 (26.67%) RTCP
5 4 (26.67%) RTP
5 4 (26.67%) C++
5 4 (26.67%) OO
5 4 (26.67%) Visual Studio

VoIP
Co-occurring IT Skills in Hertfordshire 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 1 (6.67%) SharePoint
1 1 (6.67%) Skype for Business
Applications
1 3 (20.00%) Microsoft Office
2 1 (6.67%) Microsoft Excel
Cloud Services
1 4 (26.67%) Office 365
2 1 (6.67%) Microsoft Azure
Communications & Networking
1 5 (33.33%) DHCP
1 5 (33.33%) HTTP
1 5 (33.33%) TCP/IP
1 5 (33.33%) VPN
2 4 (26.67%) IGMP
2 4 (26.67%) Internet
2 4 (26.67%) PBX
2 4 (26.67%) RTCP
2 4 (26.67%) RTP
2 4 (26.67%) SNMP
2 4 (26.67%) VLAN
2 4 (26.67%) Wireshark
3 3 (20.00%) Firewall
3 3 (20.00%) LAN
3 3 (20.00%) MPLS
3 3 (20.00%) WAN
3 3 (20.00%) Wireless
4 2 (13.33%) BGP
4 2 (13.33%) Network Security
5 1 (6.67%) Cisco ASA
Database & Business Intelligence
1 1 (6.67%) MySQL
1 1 (6.67%) SQL Server
Development Applications
1 5 (33.33%) Subversion
1 5 (33.33%) Team Foundation Server
2 4 (26.67%) GDB
2 4 (26.67%) Valgrind
2 4 (26.67%) Visual Studio
General
1 5 (33.33%) Telecoms
Job Titles
1 5 (33.33%) Developer
2 4 (26.67%) C Developer
2 4 (26.67%) Software Developer
2 4 (26.67%) VoIP Developer
3 3 (20.00%) Network Engineer
4 2 (13.33%) 1st Line Support
4 2 (13.33%) Architect
4 2 (13.33%) Desktop Support
4 2 (13.33%) Network Architect
5 1 (6.67%) 2nd Line Support
5 1 (6.67%) Deployment Engineer
5 1 (6.67%) Deskside Support
5 1 (6.67%) Desktop Engineer
5 1 (6.67%) Desktop Support Engineer
5 1 (6.67%) Infrastructure Engineer
5 1 (6.67%) Network Designer
5 1 (6.67%) Security Engineer
5 1 (6.67%) Senior Network Engineer
5 1 (6.67%) Support Consultant
5 1 (6.67%) Support Engineer
Libraries, Frameworks & Software Standards
1 4 (26.67%) FreeSWITCH
1 4 (26.67%) XML
Miscellaneous
1 3 (20.00%) Data Centre
2 1 (6.67%) Driving Licence
2 1 (6.67%) Handset
2 1 (6.67%) PKI
2 1 (6.67%) Security Operations Centre
Operating Systems
1 10 (66.67%) Windows
2 7 (46.67%) Linux
3 2 (13.33%) Windows 7
4 1 (6.67%) Apple iOS
4 1 (6.67%) Mac OS X
4 1 (6.67%) Windows 10
4 1 (6.67%) Windows 8
4 1 (6.67%) Windows Server
4 1 (6.67%) Windows Server 2008
4 1 (6.67%) Windows Server 2012
Processes & Methodologies
1 4 (26.67%) OO
2 3 (20.00%) ITIL
3 2 (13.33%) Network Monitoring
4 1 (6.67%) DNA
4 1 (6.67%) High Availability
4 1 (6.67%) Infrastructure Engineering
4 1 (6.67%) ITIL V3
4 1 (6.67%) Network Architecture
4 1 (6.67%) Network Optimisation
4 1 (6.67%) Network Virtualisation
4 1 (6.67%) Security Operations
4 1 (6.67%) SIEM
4 1 (6.67%) TOGAF
Programming Languages
1 5 (33.33%) C
1 5 (33.33%) Perl
1 5 (33.33%) Python
2 4 (26.67%) C++
3 1 (6.67%) Bash Shell
3 1 (6.67%) C#
3 1 (6.67%) PowerShell
3 1 (6.67%) SQL
3 1 (6.67%) VBScript
Qualifications
1 1 (6.67%) CCNP
1 1 (6.67%) Cisco Certification
1 1 (6.67%) SC Cleared
1 1 (6.67%) Security Cleared
Quality Assurance & Compliance
1 1 (6.67%) Cyber Essentials
1 1 (6.67%) Cyber Essentials PLUS
1 1 (6.67%) ISO/IEC 27001
1 1 (6.67%) SLA
System Software
1 5 (33.33%) Active Directory
1 5 (33.33%) Hyper-V
2 4 (26.67%) KVM
2 4 (26.67%) VirtualBox
3 2 (13.33%) Firmware
3 2 (13.33%) VMware Infrastructure
4 1 (6.67%) Microsoft Virtual Server
4 1 (6.67%) Virtual Servers
4 1 (6.67%) VMware ESXi
Systems Management
1 2 (13.33%) Microsoft Intune
2 1 (6.67%) QRadar
Vendors
1 6 (40.00%) Microsoft
2 5 (33.33%) Cisco
3 3 (20.00%) Juniper
4 2 (13.33%) Trend Micro
4 2 (13.33%) VMware
5 1 (6.67%) Apple
5 1 (6.67%) BT
5 1 (6.67%) CheckPoint
5 1 (6.67%) Citrix
5 1 (6.67%) Dell
5 1 (6.67%) F5
5 1 (6.67%) Fortinet
5 1 (6.67%) HP
5 1 (6.67%) jetNEXUS
5 1 (6.67%) Mitel
5 1 (6.67%) SolarWinds
5 1 (6.67%) Sophos