The following table provides summary statistics for permanent job vacancies advertised in Watford 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)
Hertfordshire / Watford
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 50 53 72
Rank change year-on-year +3 +19  
Permanent jobs citing ISDN 13 5 4
As % of all permanent IT jobs advertised in Watford 2.40% 1.03% 0.75%
As % of the Communications & Networking category 9.70% 4.35% 2.78%
Number of salaries quoted 1 0 1
Median salary £35,000 - £45,000
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 Watford with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Watford
Permanent job vacancies with a requirement for communications and computer networking skills 134 115 144
As % of all permanent IT job vacancies advertised in Watford 24.72% 23.76% 26.87%
Number of salaries quoted 100 84 75
Median salary £40,250 £45,000 £52,500
Median salary % change year-on-year -10.55% -14.28%  
90% offered a salary of more than £25,700 £26,000 £29,000
10% offered a salary of more than £62,500 £70,500 £55,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

ISDN
Job Vacancy Trend in Watford

The job posting trend of jobs advertised in Watford 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 Watford

ISDN
Salary Trend in Watford

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

Salary trend for ISDN in Watford

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 Watford region with a requirement for ISDN.

1 15 (100.00%) ITIL
1 15 (100.00%) Windows
1 15 (100.00%) Linux
1 15 (100.00%) E-Commerce
1 15 (100.00%) MS Exchange
1 15 (100.00%) LAN
1 15 (100.00%) PBX
1 15 (100.00%) VoIP
1 15 (100.00%) WAN
1 15 (100.00%) DHCP
1 15 (100.00%) VPN
1 15 (100.00%) DNS
1 15 (100.00%) Microsoft
1 15 (100.00%) Active Directory
1 15 (100.00%) Terminal Services
1 15 (100.00%) Windows Server 2003
1 15 (100.00%) MPLS
1 15 (100.00%) Firewall
1 15 (100.00%) VMware
1 15 (100.00%) Retail
1 15 (100.00%) VLAN
1 15 (100.00%) VMware Infrastructure
1 15 (100.00%) Windows Server 2008
1 15 (100.00%) Red Hat Enterprise Linux
1 15 (100.00%) PaaS
1 15 (100.00%) VMware ESXi
1 15 (100.00%) Skype for Business
1 15 (100.00%) Office 365
1 15 (100.00%) Windows Server 2012
1 15 (100.00%) Mentoring

ISDN
Co-occurring IT Skills in Watford 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 15 (100.00%) MS Exchange
1 15 (100.00%) Skype for Business
Applications
1 13 (86.67%) Microsoft Office
Cloud Services
1 15 (100.00%) Office 365
1 15 (100.00%) PaaS
Communications & Networking
1 15 (100.00%) DHCP
1 15 (100.00%) DNS
1 15 (100.00%) Firewall
1 15 (100.00%) LAN
1 15 (100.00%) MPLS
1 15 (100.00%) PBX
1 15 (100.00%) Remote Desktop
1 15 (100.00%) VLAN
1 15 (100.00%) VoIP
1 15 (100.00%) VPN
1 15 (100.00%) WAN
2 13 (86.67%) Skype
3 1 (6.67%) TCP/IP
General
1 15 (100.00%) Retail
2 12 (80.00%) Games
Job Titles
1 15 (100.00%) 3rd Line Engineer
1 15 (100.00%) Office 365 Engineer
2 14 (93.33%) 3rd Line Support
2 14 (93.33%) 3rd Line Support Engineer
2 14 (93.33%) Active Directory Engineer
2 14 (93.33%) Active Directory Support
2 14 (93.33%) Active Directory Support Engineer
2 14 (93.33%) Support Engineer
3 12 (80.00%) 3rd Line Infrastructure Engineer
3 12 (80.00%) 3rd Line Infrastructure Support
3 12 (80.00%) Infrastructure Engineer
3 12 (80.00%) Infrastructure Support
3 12 (80.00%) Infrastructure Support Engineer
4 2 (13.33%) Exchange Engineer
4 2 (13.33%) Exchange Support
4 2 (13.33%) Server Engineer
4 2 (13.33%) Server Support
4 2 (13.33%) Windows Engineer
4 2 (13.33%) Windows Server Engineer
4 2 (13.33%) Windows Server Support
Miscellaneous
1 14 (93.33%) Data Centre
Operating Systems
1 15 (100.00%) Linux
1 15 (100.00%) Red Hat Enterprise Linux
1 15 (100.00%) Windows
1 15 (100.00%) Windows Server
1 15 (100.00%) Windows Server 2003
1 15 (100.00%) Windows Server 2008
1 15 (100.00%) Windows Server 2012
Processes & Methodologies
1 15 (100.00%) Coaching
1 15 (100.00%) E-Commerce
1 15 (100.00%) ITIL
1 15 (100.00%) Mentoring
2 2 (13.33%) Mathematics
Programming Languages
1 3 (20.00%) C
Qualifications
1 3 (20.00%) Degree
System Software
1 15 (100.00%) Active Directory
1 15 (100.00%) Terminal Services
1 15 (100.00%) VMware ESXi
1 15 (100.00%) VMware Infrastructure
Systems Management
1 13 (86.67%) WSUS
2 1 (6.67%) SCCM
Vendors
1 15 (100.00%) Microsoft
1 15 (100.00%) VMware
2 3 (20.00%) CheckPoint