Period
to 23 February 2018

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire 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 23 February 2018 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
East of England > Hertfordshire
6 months to
23 Feb 2018
Same period 2017 Same period 2016
Rank 148 174 138
Rank change year-on-year +26 -36 +16
Permanent jobs citing VoIP 79 44 92
As % of all permanent IT jobs advertised in Hertfordshire 1.62% 0.96% 1.80%
As % of the Communications & Networking category 7.39% 6.03% 8.42%
Number of salaries quoted 60 33 91
Hertfordshire median annual salary £42,500 £32,500 £40,000
Median salary % change year-on-year +30.77% -18.75% +6.67%
10th Percentile £25,500 £22,400 £25,000
90th Percentile £67,500 £50,000 £56,250
East of England median annual salary £41,250 £42,500 £40,000
% change year-on-year -2.94% +6.25% +14.29%

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 Hertfordshire with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Hertfordshire
Permanent vacancies with a requirement for communications or computer networking skills 1,069 730 1,093
As % of all permanent IT jobs advertised in Hertfordshire 21.91% 15.99% 21.35%
Number of salaries quoted 879 539 871
Hertfordshire median annual salary £47,500 £42,500 £42,500
Median salary % change year-on-year +11.76% - -5.56%
10th Percentile £24,000 £22,950 £25,000
90th Percentile £70,000 £67,500 £63,750
East of England median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

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
Salary Trend in Hertfordshire

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

Salary trend for VoIP in Hertfordshire

VoIP
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing VoIP in Hertfordshire over the 6 months to 23 February 2018.

Salary histogram for VoIP in Hertfordshire

VoIP
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing VoIP within the Hertfordshire region over the 6 months to 23 February 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
Hemel Hempstead -7 13 £50,000 +8.70%
Watford -6 10 £50,000 +81.82%
Hatfield - 7 £42,500 -
Welwyn Garden City - 6 £37,000 - 1
Ware - 4 £27,000 -
Berkhamsted - 3 - -
Tring - 2 - -
St Albans -2 1 £23,000 -42.50%
Stevenage - 1 £55,000 - 2
Borehamwood - 1 £24,500 -
Kings Langley - 1 £20,000 -
Welwyn - 1 £42,500 -
VoIP
East of England

For the 6 months to 23 February 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 Hertfordshire region with a requirement for VoIP.

1 45 (56.96%) Windows
2 40 (50.63%) VMware
3 32 (40.51%) Microsoft
4 30 (37.97%) Windows Server
5 29 (36.71%) VMware Infrastructure
6 28 (35.44%) Active Directory
7 24 (30.38%) MS Exchange
8 21 (26.58%) SQL Server
9 19 (24.05%) SQL
9 19 (24.05%) Cisco
9 19 (24.05%) Telecoms
10 18 (22.78%) Windows Server 2008
11 17 (21.52%) Microsoft Office
12 16 (20.25%) DNS
12 16 (20.25%) DHCP
13 15 (18.99%) SAN
13 15 (18.99%) Finance
13 15 (18.99%) Disaster Recovery
13 15 (18.99%) Firewall
13 15 (18.99%) Hyper-V
13 15 (18.99%) Analytical Skills
14 14 (17.72%) Office 365
14 14 (17.72%) VPN
14 14 (17.72%) Linux
15 13 (16.46%) TCP/IP
15 13 (16.46%) Citrix
15 13 (16.46%) Windows 7
16 12 (15.19%) Windows Server 2012
16 12 (15.19%) Exchange Server 2010
16 12 (15.19%) Exchange Server 2013

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 24 (30.38%) MS Exchange
2 12 (15.19%) Exchange Server 2010
2 12 (15.19%) Exchange Server 2013
3 8 (10.13%) Tomcat
4 6 (7.59%) SharePoint
5 4 (5.06%) Apache
5 4 (5.06%) IIS
6 1 (1.27%) SAS
Applications
1 17 (21.52%) Microsoft Office
2 1 (1.27%) Microsoft Excel
Cloud Services
1 14 (17.72%) Office 365
2 6 (7.59%) SaaS
Communications & Networking
1 16 (20.25%) DHCP
1 16 (20.25%) DNS
2 15 (18.99%) Firewall
2 15 (18.99%) SAN
3 14 (17.72%) VPN
4 13 (16.46%) TCP/IP
5 11 (13.92%) Wireless
6 9 (11.39%) iSCSI
6 9 (11.39%) WAN
7 8 (10.13%) LAN
8 7 (8.86%) Internet
8 7 (8.86%) PBX
9 6 (7.59%) VLAN
10 5 (6.33%) Wi-Fi
11 4 (5.06%) 4G
11 4 (5.06%) Radio Access Network
12 3 (3.80%) CTI
12 3 (3.80%) Unified Communications
13 1 (1.27%) 3G
13 1 (1.27%) IMAP
Database & Business Intelligence
1 21 (26.58%) SQL Server
2 9 (11.39%) SQL Server 2008
3 8 (10.13%) MySQL
3 8 (10.13%) SQL Server Reporting Services
4 2 (2.53%) Oracle Database
Development Applications
1 1 (1.27%) Cucumber
1 1 (1.27%) Selenium
1 1 (1.27%) WebDriver
General
1 19 (24.05%) Telecoms
2 15 (18.99%) Finance
3 5 (6.33%) Manufacturing
3 5 (6.33%) Pharmaceutical
4 4 (5.06%) Legal
4 4 (5.06%) Multimedia
5 2 (2.53%) Retail
Job Titles
1 12 (15.19%) IT Support
2 11 (13.92%) 3rd Line Engineer
3 10 (12.66%) IT Manager
4 8 (10.13%) IT Engineer
4 8 (10.13%) Support Engineer
5 7 (8.86%) Consultant
5 7 (8.86%) IT Support Engineer
6 6 (7.59%) Network Engineer
7 5 (6.33%) Infrastructure Engineer
7 5 (6.33%) Project Manager
7 5 (6.33%) Systems Engineer
7 5 (6.33%) Telecoms Manager
8 4 (5.06%) Avaya Consultant
8 4 (5.06%) Business Sales Executive
8 4 (5.06%) IT Analyst
8 4 (5.06%) IT Support Analyst
8 4 (5.06%) New Business Sales Executive
8 4 (5.06%) Systems Support Engineer
8 4 (5.06%) Technical Consultant
8 4 (5.06%) Telecoms Project Manager
Libraries, Frameworks & Software Standards
1 4 (5.06%) Web Services
Miscellaneous
1 15 (18.99%) Analytical Skills
2 7 (8.86%) Replication
3 4 (5.06%) Data Centre
4 3 (3.80%) PlayStation
5 2 (2.53%) Data Protection Act
5 2 (2.53%) User Experience
6 1 (1.27%) Blackberry
6 1 (1.27%) EPoS
6 1 (1.27%) IVR
6 1 (1.27%) Linux Command Line
6 1 (1.27%) Social Media
6 1 (1.27%) Video Conferencing
6 1 (1.27%) Virtual Team
Operating Systems
1 45 (56.96%) Windows
2 30 (37.97%) Windows Server
3 18 (22.78%) Windows Server 2008
4 14 (17.72%) Linux
5 13 (16.46%) Windows 7
6 12 (15.19%) Windows Server 2012
7 6 (7.59%) Unix
8 3 (3.80%) Windows 10
8 3 (3.80%) Windows XP
9 2 (2.53%) Android
10 1 (1.27%) Apple iOS
10 1 (1.27%) Mac OS
Processes & Methodologies
1 15 (18.99%) Disaster Recovery
2 10 (12.66%) ITIL
3 9 (11.39%) Change Management
3 9 (11.39%) Problem Management
4 8 (10.13%) Release Management
4 8 (10.13%) Software Deployment
5 7 (8.86%) Cybersecurity
6 5 (6.33%) Analytical Thinking
6 5 (6.33%) CRM
6 5 (6.33%) IT Strategy
6 5 (6.33%) Project Management
6 5 (6.33%) Technical Architecture
7 4 (5.06%) Business Development
7 4 (5.06%) ITIL V3
7 4 (5.06%) Service Delivery
8 3 (3.80%) Data Analysis
8 3 (3.80%) Network Planning
8 3 (3.80%) Stakeholder Management
9 2 (2.53%) Cryptography
9 2 (2.53%) Penetration Testing
Programming Languages
1 19 (24.05%) SQL
2 11 (13.92%) PowerShell
3 9 (11.39%) VBScript
4 5 (6.33%) C
5 3 (3.80%) C#
5 3 (3.80%) JavaScript
6 2 (2.53%) Bash Shell
6 2 (2.53%) C++
6 2 (2.53%) VB
6 2 (2.53%) VB6
7 1 (1.27%) ES6
Qualifications
1 11 (13.92%) Microsoft Certification
2 7 (8.86%) MCSE
3 6 (7.59%) CCNA
3 6 (7.59%) Cisco Certification
4 4 (5.06%) CCAA
4 4 (5.06%) Citrix Certification
4 4 (5.06%) MCITP
4 4 (5.06%) MCP
4 4 (5.06%) MCTS
4 4 (5.06%) VMware Certified Professional (VCP)
5 2 (2.53%) CCNP
Quality Assurance & Compliance
1 8 (10.13%) ISO/IEC 27001
1 8 (10.13%) PCI DSS
2 6 (7.59%) GAMP
2 6 (7.59%) GxP
2 6 (7.59%) SLA
3 2 (2.53%) Cyber Essentials
3 2 (2.53%) Cyber Essentials PLUS
4 1 (1.27%) GMP
4 1 (1.27%) HIPAA
4 1 (1.27%) QA
System Software
1 29 (36.71%) VMware Infrastructure
2 28 (35.44%) Active Directory
3 15 (18.99%) Hyper-V
4 6 (7.59%) Xen
5 5 (6.33%) Microsoft Virtual Server
5 5 (6.33%) Virtual Servers
6 3 (3.80%) vSphere
Systems Management
1 5 (6.33%) Opscode Chef
2 3 (3.80%) WSUS
3 2 (2.53%) Ansible
3 2 (2.53%) Puppet
Vendors
1 40 (50.63%) VMware
2 32 (40.51%) Microsoft
3 19 (24.05%) Cisco
4 13 (16.46%) Citrix
5 9 (11.39%) HP
6 8 (10.13%) Avaya
7 4 (5.06%) Siemens
7 4 (5.06%) SonicWALL
8 2 (2.53%) Brocade
8 2 (2.53%) Juniper
8 2 (2.53%) Mitel
8 2 (2.53%) Oracle
9 1 (1.27%) Apple
9 1 (1.27%) Sage
9 1 (1.27%) Zeacom