The following table provides summary statistics for permanent job vacancies advertised in Gatwick 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 28 June 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
West Sussex / Gatwick
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 26 28 -
Rank change year-on-year +2 -  
Permanent jobs citing ISDN 1 3 0
As % of all permanent IT jobs advertised in Gatwick 1.05% 1.76% -
As % of the Communications & Networking category 5.26% 8.11% -
Number of salaries quoted 1 3 0
Median salary £70,000 £52,500 -
Median salary % change year-on-year +33.33% -  
UK excluding London median salary £41,500 £39,000 £51,250
% change year-on-year +6.41% -23.90%  

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 Gatwick with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Gatwick
Permanent job vacancies with a requirement for communications and computer networking skills 19 37 18
As % of all permanent IT job vacancies advertised in Gatwick 20.00% 21.76% 14.63%
Number of salaries quoted 17 31 15
Median salary £59,000 £60,000 £45,000
Median salary % change year-on-year -1.66% +33.33%  
90% offered a salary of more than £45,000 £52,500 £27,000
10% offered a salary of more than £70,000 £65,000 £60,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

ISDN
Job Vacancy Trend in Gatwick

The job posting trend of jobs advertised in Gatwick 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 Gatwick

ISDN
Salary Trend in Gatwick

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

Salary trend for ISDN in Gatwick

For the 6 months to 28 June 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 Gatwick region with a requirement for ISDN.

1 4 (100.00%) LAN
1 4 (100.00%) WAN
1 4 (100.00%) DHCP
1 4 (100.00%) Ethernet
1 4 (100.00%) DNS
1 4 (100.00%) SSL
1 4 (100.00%) SLA
1 4 (100.00%) Cisco
1 4 (100.00%) Cisco Prime
1 4 (100.00%) Cisco Certification
1 4 (100.00%) Juniper
1 4 (100.00%) SAN
1 4 (100.00%) 3G
1 4 (100.00%) MPLS
1 4 (100.00%) OSPF
1 4 (100.00%) BGP
1 4 (100.00%) DDNS
1 4 (100.00%) DSL
1 4 (100.00%) TACACS
1 4 (100.00%) Firewall
1 4 (100.00%) Management Information System
1 4 (100.00%) Wi-Fi
1 4 (100.00%) Wireless
1 4 (100.00%) IPsec
1 4 (100.00%) Information Management
1 4 (100.00%) Network Design
1 4 (100.00%) PKI
1 4 (100.00%) Operations Management
1 4 (100.00%) Load Balancing
1 4 (100.00%) Barracuda Networks

ISDN
Co-occurring IT Skills in Gatwick 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:

Communications & Networking
1 4 (100.00%) 3G
1 4 (100.00%) BGP
1 4 (100.00%) DDNS
1 4 (100.00%) DHCP
1 4 (100.00%) DNS
1 4 (100.00%) DSL
1 4 (100.00%) Ethernet
1 4 (100.00%) Firewall
1 4 (100.00%) IPsec
1 4 (100.00%) Junos
1 4 (100.00%) LAN
1 4 (100.00%) MPLS
1 4 (100.00%) OSPF
1 4 (100.00%) SAN
1 4 (100.00%) SSL
1 4 (100.00%) TACACS
1 4 (100.00%) Unified Communications
1 4 (100.00%) WAN
1 4 (100.00%) Wi-Fi
1 4 (100.00%) Wireless
Job Titles
1 4 (100.00%) Juniper Engineer
1 4 (100.00%) Network Engineer
1 4 (100.00%) Senior Network Engineer
Miscellaneous
1 4 (100.00%) Data Centre
1 4 (100.00%) Management Information System
1 4 (100.00%) PKI
2 2 (50.00%) Computer Science
Operating Systems
1 2 (50.00%) Linux
1 2 (50.00%) Unix
Processes & Methodologies
1 4 (100.00%) Adaptive Security
1 4 (100.00%) Change Control
1 4 (100.00%) Information Management
1 4 (100.00%) ITIL
1 4 (100.00%) Load Balancing
1 4 (100.00%) Network Design
1 4 (100.00%) Operations Management
1 4 (100.00%) WAN Optimisation
2 2 (50.00%) Kalman Filter
2 2 (50.00%) Mathematics
2 2 (50.00%) Web Filtering
Qualifications
1 4 (100.00%) Cisco Certification
2 2 (50.00%) Degree
Quality Assurance & Compliance
1 4 (100.00%) SLA
Systems Management
1 4 (100.00%) Cisco Prime
1 4 (100.00%) SolarWinds Orion
Vendors
1 4 (100.00%) Barracuda Networks
1 4 (100.00%) Cisco
1 4 (100.00%) F5
1 4 (100.00%) Juniper
1 4 (100.00%) Palo Alto
1 4 (100.00%) SolarWinds
2 2 (50.00%) Forcepoint