Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for ISDN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISDN over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
East of England > Hertfordshire
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 200 186 232
Rank change year-on-year -14 +46 -13
Permanent jobs citing ISDN 14 29 6
As % of all permanent IT jobs advertised in Hertfordshire 0.32% 0.65% 0.11%
As % of the Communications & Networking category 1.52% 3.68% 0.57%
Number of salaries quoted 1 10 2
Hertfordshire median annual salary £35,000 £28,500 £34,500
Median salary % change year-on-year +22.81% -17.39% -13.75%
10th Percentile £32,500 £26,325 £25,850
90th Percentile £37,500 £67,500 £45,150
East of England median annual salary £35,000 £42,500 £39,000
% change year-on-year -17.65% +8.97% +21.88%

ISDN 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 924 788 1051
As % of all permanent IT jobs advertised in Hertfordshire 21.00% 17.79% 19.49%
Number of salaries quoted 769 620 759
Hertfordshire median annual salary £45,000 £45,000 £45,000
10th Percentile £25,000 £23,000 £26,250
90th Percentile £68,750 £65,000 £63,750
East of England median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

ISDN
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for ISDN in Hertfordshire

ISDN
Salary Trend in Hertfordshire

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

Salary trend for ISDN in Hertfordshire

ISDN
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the Hertfordshire region over the 6 months to 20 November 2017. 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 -10 14 £35,000 +20.69%
ISDN
East of England

For the 6 months to 20 November 2017, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for ISDN.

1 14 (100.00%) Microsoft Office
1 14 (100.00%) ITIL
1 14 (100.00%) Windows
1 14 (100.00%) Linux
1 14 (100.00%) E-Commerce
1 14 (100.00%) MS Exchange
1 14 (100.00%) LAN
1 14 (100.00%) PBX
1 14 (100.00%) VoIP
1 14 (100.00%) WAN
1 14 (100.00%) DHCP
1 14 (100.00%) VPN
1 14 (100.00%) DNS
1 14 (100.00%) Microsoft
1 14 (100.00%) Active Directory
1 14 (100.00%) Terminal Services
1 14 (100.00%) Windows Server 2003
1 14 (100.00%) MPLS
1 14 (100.00%) Firewall
1 14 (100.00%) VMware
1 14 (100.00%) Retail
1 14 (100.00%) VLAN
1 14 (100.00%) PaaS
1 14 (100.00%) VMware ESXi
1 14 (100.00%) Skype for Business
1 14 (100.00%) Office 365
1 14 (100.00%) Windows Server 2012
1 14 (100.00%) Mentoring
1 14 (100.00%) Coaching
1 14 (100.00%) Skype

ISDN
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 14 (100.00%) MS Exchange
1 14 (100.00%) Skype for Business
Applications
1 14 (100.00%) Microsoft Office
Cloud Services
1 14 (100.00%) Office 365
1 14 (100.00%) PaaS
Communications & Networking
1 14 (100.00%) DHCP
1 14 (100.00%) DNS
1 14 (100.00%) Firewall
1 14 (100.00%) LAN
1 14 (100.00%) MPLS
1 14 (100.00%) PBX
1 14 (100.00%) Remote Desktop
1 14 (100.00%) Skype
1 14 (100.00%) VLAN
1 14 (100.00%) VoIP
1 14 (100.00%) VPN
1 14 (100.00%) WAN
2 1 (7.14%) TCP/IP
General
1 14 (100.00%) Retail
2 13 (92.86%) Games
Job Titles
1 14 (100.00%) 3rd Line Engineer
2 13 (92.86%) 3rd Line Support
2 13 (92.86%) 3rd Line Support Engineer
2 13 (92.86%) Support Engineer
3 9 (64.29%) Office 365 Engineer
4 8 (57.14%) 3rd Line Infrastructure Engineer
4 8 (57.14%) 3rd Line Infrastructure Support
4 8 (57.14%) Active Directory Engineer
4 8 (57.14%) Active Directory Support
4 8 (57.14%) Active Directory Support Engineer
4 8 (57.14%) Infrastructure Engineer
4 8 (57.14%) Infrastructure Support
4 8 (57.14%) Infrastructure Support Engineer
5 1 (7.14%) 3rd Line Network Engineer
5 1 (7.14%) IP Network Engineer
5 1 (7.14%) LAN Engineer
5 1 (7.14%) Network Engineer
5 1 (7.14%) VMware Engineer
Miscellaneous
1 13 (92.86%) Data Centre
Operating Systems
1 14 (100.00%) Linux
1 14 (100.00%) Red Hat Enterprise Linux
1 14 (100.00%) Windows
1 14 (100.00%) Windows Server
1 14 (100.00%) Windows Server 2003
1 14 (100.00%) Windows Server 2008
1 14 (100.00%) Windows Server 2012
Processes & Methodologies
1 14 (100.00%) Coaching
1 14 (100.00%) E-Commerce
1 14 (100.00%) ITIL
1 14 (100.00%) Mentoring
2 5 (35.71%) DNA
Programming Languages
1 1 (7.14%) C
Qualifications
1 1 (7.14%) Degree
System Software
1 14 (100.00%) Active Directory
1 14 (100.00%) Terminal Services
1 14 (100.00%) VMware ESXi
1 14 (100.00%) VMware Infrastructure
Systems Management
1 14 (100.00%) WSUS
2 1 (7.14%) SCCM
Vendors
1 14 (100.00%) Microsoft
1 14 (100.00%) VMware
2 1 (7.14%) CheckPoint