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 3 months to 26 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Integrated Service Digital Network (ISDN)
East of England / Hertfordshire
Rank 137 130 160
Rank change year-on-year -7 +30  
Permanent jobs citing ISDN 3 28 1
As % of all permanent IT jobs advertised in Hertfordshire 0.14% 1.09% 0.043%
As % of the Communications & Networking category 0.85% 4.84% 0.17%
Number of salaries quoted 0 10 1
Median salary - £29,750 £26,500
Median salary % change year-on-year - +12.26%  
UK excluding London median salary £45,000 £37,000 £42,500
% change year-on-year +21.62% -12.94%  

ISDN is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Hertfordshire
Permanent job vacancies with a requirement for communications and computer networking skills 354 579 578
As % of all permanent IT job vacancies advertised in Hertfordshire 16.32% 22.51% 24.70%
Number of salaries quoted 249 463 426
Median salary £45,000 £40,000 £42,500
Median salary % change year-on-year +12.50% -5.88%  
90% offered a salary of more than £24,150 £25,000 £24,000
10% offered a salary of more than £60,000 £62,500 £65,000
UK excluding London median salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.65%  

ISDN
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing ISDN as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

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 3 months to 26 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford - 3 - - 1
ISDN
East of England

ISDN
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 26 March 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 19 (100.00%) LAN
2 18 (94.74%) WAN
2 18 (94.74%) ITIL
2 18 (94.74%) VPN
3 17 (89.47%) PBX
4 11 (57.89%) TCP/IP
4 11 (57.89%) CCNA
4 11 (57.89%) Cisco Certification
5 10 (52.63%) Cisco
5 10 (52.63%) Firewall
5 10 (52.63%) Wireless
6 9 (47.37%) BGP
6 9 (47.37%) MPLS
6 9 (47.37%) VLAN
6 9 (47.37%) VoIP
6 9 (47.37%) DNS
6 9 (47.37%) DHCP
6 9 (47.37%) Linux
6 9 (47.37%) CCNP
6 9 (47.37%) Remote Desktop
7 8 (42.11%) Mentoring
7 8 (42.11%) Coaching
7 8 (42.11%) Cisco Wireless
7 8 (42.11%) Office 365
7 8 (42.11%) Cisco CUCM
7 8 (42.11%) Windows Server 2012
7 8 (42.11%) Data Centre
7 8 (42.11%) Driving Licence
7 8 (42.11%) PaaS
7 8 (42.11%) Skype for Business

ISDN
Top Related 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 8 (42.11%) MS Exchange
1 8 (42.11%) Skype for Business
Cloud Services
1 8 (42.11%) Office 365
1 8 (42.11%) PaaS
Communications & Networking
1 19 (100.00%) LAN
2 18 (94.74%) VPN
2 18 (94.74%) WAN
3 17 (89.47%) PBX
4 11 (57.89%) TCP/IP
5 10 (52.63%) Firewall
5 10 (52.63%) Wireless
6 9 (47.37%) BGP
6 9 (47.37%) DHCP
6 9 (47.37%) DNS
6 9 (47.37%) MPLS
6 9 (47.37%) Remote Desktop
6 9 (47.37%) VLAN
6 9 (47.37%) VoIP
7 8 (42.11%) Cisco ASA
7 8 (42.11%) Cisco Wireless
7 8 (42.11%) OSPF
8 3 (15.79%) Broadband
9 2 (10.53%) Network Security
10 1 (5.26%) Unified Communications
General
1 8 (42.11%) Retail
Job Titles
1 8 (42.11%) 3rd Line Engineer
1 8 (42.11%) 3rd Line Support
1 8 (42.11%) 3rd Line Support Engineer
1 8 (42.11%) Network Engineer
1 8 (42.11%) Network Operations Engineer
1 8 (42.11%) Office 365 Engineer
1 8 (42.11%) Operations Engineer
1 8 (42.11%) Support Engineer
2 5 (26.32%) 3rd Line Server Engineer
2 5 (26.32%) 3rd Line Server Support
2 5 (26.32%) Active Directory Engineer
2 5 (26.32%) Active Directory Support
2 5 (26.32%) Active Directory Support Engineer
2 5 (26.32%) Exchange Engineer
2 5 (26.32%) Exchange Support
2 5 (26.32%) Server Engineer
2 5 (26.32%) Windows Engineer
2 5 (26.32%) Windows Server Engineer
2 5 (26.32%) Windows Server Support
2 5 (26.32%) Windows Support Engineer
Libraries, Frameworks & Software Standards
1 1 (5.26%) COM
Miscellaneous
1 8 (42.11%) Data Centre
1 8 (42.11%) Driving Licence
2 2 (10.53%) e-Health
3 1 (5.26%) Analytical Skills
Operating Systems
1 9 (47.37%) Linux
2 8 (42.11%) Red Hat Enterprise Linux
2 8 (42.11%) Windows
2 8 (42.11%) Windows Server
2 8 (42.11%) Windows Server 2003
2 8 (42.11%) Windows Server 2008
2 8 (42.11%) Windows Server 2012
3 1 (5.26%) Unix
Processes & Methodologies
1 18 (94.74%) ITIL
2 8 (42.11%) Adaptive Security
2 8 (42.11%) Agile Software Development
2 8 (42.11%) Coaching
2 8 (42.11%) E-Commerce
2 8 (42.11%) Mathematics
2 8 (42.11%) Mentoring
3 2 (10.53%) Network Design
3 2 (10.53%) Network Monitoring
4 1 (5.26%) Root Cause Analysis
4 1 (5.26%) Ticket Management
Programming Languages
1 8 (42.11%) C
2 1 (5.26%) Bash Shell
2 1 (5.26%) Perl
Qualifications
1 11 (57.89%) CCNA
1 11 (57.89%) Cisco Certification
2 9 (47.37%) CCNP
3 8 (42.11%) Degree
3 8 (42.11%) ITIL Certification
4 3 (15.79%) JNCIA
4 3 (15.79%) JNCIP
5 2 (10.53%) JNCIE
5 2 (10.53%) JNCIS
5 2 (10.53%) SC Cleared
5 2 (10.53%) Security Cleared
Quality Assurance & Compliance
1 1 (5.26%) SLA
System Software
1 8 (42.11%) Active Directory
1 8 (42.11%) Terminal Services
1 8 (42.11%) VMware ESX
1 8 (42.11%) VMware Infrastructure
Systems Management
1 8 (42.11%) Cisco CUCM
Vendors
1 10 (52.63%) Cisco
2 8 (42.11%) CheckPoint
2 8 (42.11%) Microsoft
2 8 (42.11%) VMware
3 2 (10.53%) Juniper
Watford, Hertfordshire
Salmon Ltd
Salary: Unspecified Competitive salary + Bonus + Benefits
Posted: 11 days ago