Period
to 22 June 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 22 June 2018 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
East of England > Hertfordshire
6 months to
22 Jun 2018
Same period 2017 Same period 2016
Rank 186 163 133
Rank change year-on-year -23 -30 +55
Permanent jobs citing VoIP 31 55 95
As % of all permanent IT jobs advertised in Hertfordshire 0.68% 1.29% 1.96%
As % of the Communications & Networking category 3.48% 7.38% 9.42%
Number of salaries quoted 24 37 87
Hertfordshire median annual salary £42,500 £40,000 £42,000
Median salary % change year-on-year +6.25% -4.76% +5.00%
10th Percentile £24,425 £23,700 £22,750
90th Percentile £50,000 £55,500 £61,500
East of England median annual salary £39,000 £38,500 £40,000
% change year-on-year +1.30% -3.75% +8.11%

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 892 745 1,008
As % of all permanent IT jobs advertised in Hertfordshire 19.49% 17.45% 20.81%
Number of salaries quoted 724 574 789
Hertfordshire median annual salary £47,500 £45,000 £42,500
Median salary % change year-on-year +5.56% +5.88% -5.56%
10th Percentile £24,000 £23,500 £24,000
90th Percentile £70,000 £65,000 £62,500
East of England median annual salary £45,000 £44,500 £43,000
% change year-on-year +1.12% +3.49% -

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 22 June 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 22 June 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
Watford -6 7 £45,000 +63.64% 1
Hemel Hempstead -13 3 £50,000 - 1
Stevenage -9 2 - -
Tring - 2 - -
Hatfield -16 1 £37,500 -6.25%
St Albans -16 1 £23,000 -48.89%
Kings Langley - 1 £20,000 -
VoIP
East of England

For the 6 months to 22 June 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 13 (41.94%) Active Directory
2 12 (38.71%) VMware
3 11 (35.48%) Cisco
3 11 (35.48%) Microsoft
3 11 (35.48%) Windows
4 10 (32.26%) Telecoms
5 9 (29.03%) Firewall
5 9 (29.03%) MS Exchange
6 8 (25.81%) CCNP
6 8 (25.81%) Cisco Certification
7 7 (22.58%) SAN
7 7 (22.58%) Replication
7 7 (22.58%) SQL Server
7 7 (22.58%) Retail
7 7 (22.58%) Data Centre
7 7 (22.58%) Windows Server
8 6 (19.35%) PBX
8 6 (19.35%) CCNA
8 6 (19.35%) DHCP
8 6 (19.35%) Wi-Fi
8 6 (19.35%) CCDP
9 5 (16.13%) Wireless
9 5 (16.13%) Change Management
9 5 (16.13%) WAN
9 5 (16.13%) DNS
9 5 (16.13%) VMware Infrastructure
9 5 (16.13%) Exchange Server 2010
9 5 (16.13%) Exchange Server 2013
10 4 (12.90%) Virtual Servers
10 4 (12.90%) Cisco CUCM

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 9 (29.03%) MS Exchange
2 5 (16.13%) Exchange Server 2010
2 5 (16.13%) Exchange Server 2013
3 1 (3.23%) SAS
Applications
1 4 (12.90%) Microsoft Office
Communications & Networking
1 9 (29.03%) Firewall
2 7 (22.58%) SAN
3 6 (19.35%) DHCP
3 6 (19.35%) PBX
3 6 (19.35%) Wi-Fi
4 5 (16.13%) DNS
4 5 (16.13%) WAN
4 5 (16.13%) Wireless
5 4 (12.90%) Cisco ASA
5 4 (12.90%) Network Security
5 4 (12.90%) VPN
6 3 (9.68%) 4G
6 3 (9.68%) iSCSI
6 3 (9.68%) LAN
6 3 (9.68%) MPLS
6 3 (9.68%) Radio Access Network
7 2 (6.45%) Cisco IOS
7 2 (6.45%) Unified Communications
8 1 (3.23%) IMAP
8 1 (3.23%) Internet
Database & Business Intelligence
1 7 (22.58%) SQL Server
2 3 (9.68%) SQL Server 2008
3 2 (6.45%) Oracle Database
Development Applications
1 1 (3.23%) Cucumber
1 1 (3.23%) Selenium
1 1 (3.23%) WebDriver
General
1 10 (32.26%) Telecoms
2 7 (22.58%) Retail
3 2 (6.45%) Finance
3 2 (6.45%) Military
Job Titles
1 5 (16.13%) Network Engineer
2 4 (12.90%) 3rd Line Engineer
2 4 (12.90%) Analyst
2 4 (12.90%) Cisco Analyst
2 4 (12.90%) Cisco Network Analyst
2 4 (12.90%) Network Analyst
3 3 (9.68%) IT Manager
3 3 (9.68%) Radio Engineer
3 3 (9.68%) Radio Network Engineer
3 3 (9.68%) Wintel Engineer
4 2 (6.45%) 1st Line Support
4 2 (6.45%) Head of Infrastructure
4 2 (6.45%) Infrastructure Engineer
4 2 (6.45%) Infrastructure Manager
4 2 (6.45%) Project Manager
4 2 (6.45%) Support Engineer
4 2 (6.45%) Telecoms Engineer
4 2 (6.45%) Telecoms Manager
4 2 (6.45%) Tester
5 1 (3.23%) Mobile Project Manager
Miscellaneous
1 7 (22.58%) Data Centre
1 7 (22.58%) Replication
2 4 (12.90%) iSeries
3 1 (3.23%) Analytical Skills
3 1 (3.23%) EPoS
3 1 (3.23%) Linux Command Line
3 1 (3.23%) Social Media
3 1 (3.23%) Video Conferencing
Operating Systems
1 11 (35.48%) Windows
2 7 (22.58%) Windows Server
3 4 (12.90%) Windows 7
3 4 (12.90%) Windows Server 2012
4 3 (9.68%) Windows Server 2008
5 2 (6.45%) Linux
Processes & Methodologies
1 5 (16.13%) Change Management
2 4 (12.90%) Data Privacy
2 4 (12.90%) Information Security
2 4 (12.90%) Load Balancing
2 4 (12.90%) Migration
3 3 (9.68%) Disaster Recovery
3 3 (9.68%) Network Planning
3 3 (9.68%) Organisational Awareness
3 3 (9.68%) Problem Management
4 2 (6.45%) Capacity Planning
4 2 (6.45%) Network Design
4 2 (6.45%) Project Management
4 2 (6.45%) Test Automation
5 1 (3.23%) Agile Software Development
5 1 (3.23%) Continuous Improvement
5 1 (3.23%) Customer Engagement
5 1 (3.23%) Integration Testing
5 1 (3.23%) Manual Testing
5 1 (3.23%) Open Source
5 1 (3.23%) Test Strategy
Programming Languages
1 3 (9.68%) C
1 3 (9.68%) PowerShell
1 3 (9.68%) SQL
1 3 (9.68%) VBScript
2 1 (3.23%) C#
2 1 (3.23%) ES6
2 1 (3.23%) JavaScript
Qualifications
1 8 (25.81%) CCNP
1 8 (25.81%) Cisco Certification
2 6 (19.35%) CCDP
2 6 (19.35%) CCNA
3 4 (12.90%) CCDA
4 2 (6.45%) MCSE
4 2 (6.45%) Microsoft Certification
4 2 (6.45%) SC Cleared
4 2 (6.45%) Security Cleared
Quality Assurance & Compliance
1 2 (6.45%) SLA
2 1 (3.23%) QA
System Software
1 13 (41.94%) Active Directory
2 5 (16.13%) VMware Infrastructure
3 4 (12.90%) Microsoft Virtual Server
3 4 (12.90%) Virtual Servers
4 3 (9.68%) Hyper-V
5 2 (6.45%) vSphere
Systems Management
1 4 (12.90%) Cisco CUCM
Vendors
1 12 (38.71%) VMware
2 11 (35.48%) Cisco
2 11 (35.48%) Microsoft
3 4 (12.90%) EMC
3 4 (12.90%) IBM
4 3 (9.68%) Avaya
4 3 (9.68%) Citrix
4 3 (9.68%) HP
5 2 (6.45%) Ericsson
5 2 (6.45%) Oracle
6 1 (3.23%) Brocade
6 1 (3.23%) Juniper
6 1 (3.23%) Mitel
6 1 (3.23%) Sage