The following table provides summary statistics for permanent job vacancies advertised in the East of England 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 29 June 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
England / East of England
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 247 215 284
Rank change year-on-year -32 +69  
Permanent jobs citing ISDN 19 39 9
As % of all permanent IT jobs advertised in the East of England 0.31% 0.57% 0.11%
As % of the Communications & Networking category 1.71% 3.42% 0.55%
Number of salaries quoted 7 17 5
Median salary £47,500 £38,000 £42,500
Median salary % change year-on-year +25.00% -10.58%  
90% offered a salary of more than £35,500 £25,000 £27,000
10% offered a salary of more than £68,750 £63,000 £49,000
UK excluding London median salary £41,000 £39,000 £51,250
% change year-on-year +5.12% -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 the East of England with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
East of England
Permanent job vacancies with a requirement for communications and computer networking skills 1112 1142 1644
As % of all permanent IT job vacancies advertised in the East of England 18.04% 16.82% 20.09%
Number of salaries quoted 2987 3237 3249
Median salary £45,500 £45,000 £42,500
Median salary % change year-on-year +1.11% +5.88%  
90% offered a salary of more than £26,250 £25,500 £25,750
10% offered a salary of more than £68,750 £60,001 £60,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

ISDN
Job Vacancy Trend in the East of England

Job postings citing ISDN as a percentage of all IT jobs advertised in the East of England.

Job vacancy trend for ISDN in the East of England

ISDN
Salary Trend in the East of England

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

Salary trend for ISDN in the East of England

ISDN
Salary Histogram in the East of England

The salary distribution of IT jobs citing ISDN in the East of England over the 3 months to 29 June 2017.

Salary histogram for ISDN in the East of England

ISDN
Job Locations in the East of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the East of England region over the 3 months to 29 June 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
Hertfordshire -23 13 £35,000 +27.27%
Bedfordshire - 4 £62,000 -
Essex -3 1 £47,500 +35.71%
Cambridgeshire -9 1 £40,000 -27.27%
ISDN
England

For the 6 months to 29 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 East of England region with a requirement for ISDN.

1 23 (92.00%) VPN
1 23 (92.00%) Firewall
1 23 (92.00%) VLAN
2 20 (80.00%) DNS
3 19 (76.00%) WAN
3 19 (76.00%) DHCP
3 19 (76.00%) Windows
3 19 (76.00%) Linux
3 19 (76.00%) ITIL
3 19 (76.00%) LAN
3 19 (76.00%) VoIP
3 19 (76.00%) VMware
3 19 (76.00%) VMware Infrastructure
3 19 (76.00%) Windows Server
4 16 (64.00%) Skype for Business
5 15 (60.00%) Terminal Services
5 15 (60.00%) Retail
5 15 (60.00%) PBX
5 15 (60.00%) E-Commerce
5 15 (60.00%) MS Exchange
5 15 (60.00%) Microsoft
5 15 (60.00%) Active Directory
5 15 (60.00%) Windows Server 2003
5 15 (60.00%) MPLS
5 15 (60.00%) Office 365
5 15 (60.00%) PaaS
5 15 (60.00%) Windows Server 2012
5 15 (60.00%) VMware ESXi
5 15 (60.00%) Windows Server 2008
5 15 (60.00%) Red Hat Enterprise Linux

ISDN
Co-occurring IT Skills in the East of England 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 16 (64.00%) Skype for Business
2 15 (60.00%) MS Exchange
3 4 (16.00%) Apache
3 4 (16.00%) IIS
4 1 (4.00%) SharePoint
Applications
1 13 (52.00%) Microsoft Office
Cloud Services
1 15 (60.00%) Office 365
1 15 (60.00%) PaaS
Communications & Networking
1 23 (92.00%) Firewall
1 23 (92.00%) VLAN
1 23 (92.00%) VPN
2 20 (80.00%) DNS
3 19 (76.00%) DHCP
3 19 (76.00%) LAN
3 19 (76.00%) VoIP
3 19 (76.00%) WAN
4 15 (60.00%) MPLS
4 15 (60.00%) PBX
4 15 (60.00%) Remote Desktop
5 14 (56.00%) Skype
6 9 (36.00%) TCP/IP
7 8 (32.00%) IPsec
8 4 (16.00%) Ethernet
8 4 (16.00%) FTP
8 4 (16.00%) H.323
8 4 (16.00%) IPv4
8 4 (16.00%) Wireless
8 4 (16.00%) WLAN
Database & Business Intelligence
1 4 (16.00%) SQL Server
General
1 15 (60.00%) Retail
2 12 (48.00%) Games
Job Titles
1 16 (64.00%) Support Engineer
2 15 (60.00%) 3rd Line Engineer
2 15 (60.00%) Office 365 Engineer
3 14 (56.00%) 3rd Line Support
3 14 (56.00%) 3rd Line Support Engineer
3 14 (56.00%) Active Directory Engineer
3 14 (56.00%) Active Directory Support
3 14 (56.00%) Active Directory Support Engineer
4 12 (48.00%) 3rd Line Infrastructure Engineer
4 12 (48.00%) 3rd Line Infrastructure Support
4 12 (48.00%) Infrastructure Engineer
4 12 (48.00%) Infrastructure Support
4 12 (48.00%) Infrastructure Support Engineer
5 4 (16.00%) Analyst
5 4 (16.00%) Network Analyst
5 4 (16.00%) Network Engineer
5 4 (16.00%) Telephony Analyst
6 3 (12.00%) Network Operations Analyst
6 3 (12.00%) Operations Analyst
7 2 (8.00%) 3rd Line Server Support
Libraries, Frameworks & Software Standards
1 1 (4.00%) XMPP
Miscellaneous
1 14 (56.00%) Data Centre
Operating Systems
1 19 (76.00%) Linux
1 19 (76.00%) Windows
1 19 (76.00%) Windows Server
2 15 (60.00%) Red Hat Enterprise Linux
2 15 (60.00%) Windows Server 2003
2 15 (60.00%) Windows Server 2008
2 15 (60.00%) Windows Server 2012
3 4 (16.00%) Debian
4 2 (8.00%) Unix
Processes & Methodologies
1 19 (76.00%) ITIL
2 15 (60.00%) Coaching
2 15 (60.00%) E-Commerce
2 15 (60.00%) Mentoring
3 4 (16.00%) Network Management
3 4 (16.00%) Virtual Environments
4 3 (12.00%) Service Delivery
5 2 (8.00%) Mathematics
6 1 (4.00%) Change Control
6 1 (4.00%) Incident Management
Programming Languages
1 3 (12.00%) C
Qualifications
1 5 (20.00%) Cisco Certification
2 4 (16.00%) CCNP
3 3 (12.00%) CCIE
3 3 (12.00%) Degree
4 2 (8.00%) CCNA
5 1 (4.00%) ITIL Certification
System Software
1 19 (76.00%) VMware Infrastructure
2 15 (60.00%) Active Directory
2 15 (60.00%) Terminal Services
2 15 (60.00%) VMware ESXi
3 4 (16.00%) Hyper-V
3 4 (16.00%) iptables
3 4 (16.00%) pfSense
3 4 (16.00%) Virtual Servers
Systems Management
1 13 (52.00%) WSUS
2 1 (4.00%) Cisco CUCM
2 1 (4.00%) Cisco UCCE
2 1 (4.00%) SCCM
Vendors
1 19 (76.00%) VMware
2 15 (60.00%) Microsoft
3 9 (36.00%) Cisco
4 7 (28.00%) CheckPoint
5 4 (16.00%) F5
5 4 (16.00%) Mitel
5 4 (16.00%) Oracle
5 4 (16.00%) Riverbed
5 4 (16.00%) SolarWinds