The following table provides summary statistics for permanent job vacancies advertised in London 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 27 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Integrated Service Digital Network (ISDN)
England / London
Rank 541 610 629
Rank change year-on-year +69 +19  
Permanent jobs citing ISDN 35 43 33
As % of all permanent IT jobs advertised in London 0.10% 0.10% 0.077%
As % of the Communications & Networking category 0.66% 0.65% 0.43%
Number of salaries quoted 16 41 18
Median salary £56,000 £52,500 £38,750
Median salary % change year-on-year +6.66% +35.48%  
90% offered a salary of more than £39,500 £32,500 £27,200
10% offered a salary of more than £61,250 £75,000 £47,500
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 London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
London
Permanent job vacancies with a requirement for communications and computer networking skills 5264 6618 7703
As % of all permanent IT job vacancies advertised in London 15.73% 15.77% 17.97%
Number of salaries quoted 4449 5583 6436
Median salary £52,500 £51,000 £51,500
Median salary % change year-on-year +2.94% -0.97%  
90% offered a salary of more than £30,922 £31,000 £30,000
10% offered a salary of more than £75,000 £75,000 £72,500
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

ISDN
Job Vacancy Trend in London

The job posting trend of jobs advertised in London 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 London

ISDN
Salary Trend in London

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

Salary trend for ISDN in London

ISDN
Salary Histogram in London

The salary distribution of IT jobs citing ISDN in London over the 3 months to 27 March 2017.

Salary histogram for ISDN in London

ISDN
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the London region over the 3 months to 27 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
City of London +42 2 £45,000 -18.18%
ISDN
England

ISDN
Top 30 Related IT Skills in London

For the 6 months to 27 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 London region with a requirement for ISDN.

1 44 (84.62%) Cisco
2 27 (51.92%) ITIL
3 26 (50.00%) Microsoft
4 24 (46.15%) Unified Communications
5 23 (44.23%) MS Exchange
5 23 (44.23%) WAN
6 21 (40.38%) Skype for Business
6 21 (40.38%) Video Conferencing
6 21 (40.38%) Skype
7 20 (38.46%) Firewall
7 20 (38.46%) Finance
8 19 (36.54%) Sonus
8 19 (36.54%) Office 365
9 18 (34.62%) Time Management
10 17 (32.69%) Polycom
10 17 (32.69%) Cisco Certification
10 17 (32.69%) Mentoring
10 17 (32.69%) User Experience
10 17 (32.69%) Virtual Team
11 16 (30.77%) LAN
12 14 (26.92%) Wireless
13 13 (25.00%) VMware Infrastructure
13 13 (25.00%) VMware
14 12 (23.08%) VPN
14 12 (23.08%) CCNA
15 11 (21.15%) VoIP
15 11 (21.15%) TCP/IP
15 11 (21.15%) Cisco CUCM
16 9 (17.31%) DHCP
16 9 (17.31%) DNS

ISDN
Top Related IT Skills in London 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 23 (44.23%) MS Exchange
2 21 (40.38%) Skype for Business
3 4 (7.69%) Exchange Server 2010
3 4 (7.69%) IIS
4 1 (1.92%) Exchange Server 2007
4 1 (1.92%) Exchange Server 2013
Applications
1 5 (9.62%) MS Office
2 3 (5.77%) MS Excel
Business Applications
1 2 (3.85%) Cisco SocialMiner
Cloud Services
1 19 (36.54%) Office 365
Communications & Networking
1 24 (46.15%) Unified Communications
2 23 (44.23%) WAN
3 21 (40.38%) Skype
4 20 (38.46%) Firewall
5 16 (30.77%) LAN
6 14 (26.92%) Wireless
7 12 (23.08%) VPN
8 11 (21.15%) TCP/IP
8 11 (21.15%) VoIP
9 9 (17.31%) DHCP
9 9 (17.31%) DNS
10 7 (13.46%) Broadband
10 7 (13.46%) Cisco ASA
10 7 (13.46%) Network Security
11 6 (11.54%) Cisco Nexus
11 6 (11.54%) IPsec
11 6 (11.54%) MPLS
11 6 (11.54%) OSPF
12 5 (9.62%) Ethernet
12 5 (9.62%) Spanning Tree
Database & Business Intelligence
1 1 (1.92%) SQL Server
1 1 (1.92%) SQL Server 2005
1 1 (1.92%) SQL Server 2008
1 1 (1.92%) SQL Server 2012
General
1 20 (38.46%) Finance
2 3 (5.77%) Telecoms
3 2 (3.85%) Law
Job Titles
1 21 (40.38%) Unified Communications Engineer
2 17 (32.69%) Lync Engineer
3 12 (23.08%) Analyst
4 7 (13.46%) Network Analyst
5 6 (11.54%) Cisco Analyst
5 6 (11.54%) Network Engineer
6 5 (9.62%) Cisco Network Analyst
6 5 (9.62%) Infrastructure Support
7 3 (5.77%) Administrator
7 3 (5.77%) Consultant
7 3 (5.77%) Infrastructure Analyst
7 3 (5.77%) Infrastructure Engineer
7 3 (5.77%) Infrastructure Support Analyst
7 3 (5.77%) Support Analyst
7 3 (5.77%) Support Engineer
7 3 (5.77%) Systems Administrator
7 3 (5.77%) Telephony Engineer
7 3 (5.77%) Voice Engineer
8 2 (3.85%) Technical Consultant
8 2 (3.85%) Telecoms Analyst
Libraries, Frameworks & Software Standards
1 5 (9.62%) XMPP
2 3 (5.77%) 802.1X
Miscellaneous
1 21 (40.38%) Video Conferencing
2 17 (32.69%) User Experience
2 17 (32.69%) Virtual Team
3 6 (11.54%) Data Centre
4 5 (9.62%) Analytical Skills
4 5 (9.62%) e-Health
5 1 (1.92%) Management Information System
5 1 (1.92%) PKI
Operating Systems
1 7 (13.46%) Windows
2 5 (9.62%) Windows Server
3 4 (7.69%) Windows Server 2008
3 4 (7.69%) Windows Server 2012
4 3 (5.77%) Windows 7
5 1 (1.92%) Windows XP
Processes & Methodologies
1 27 (51.92%) ITIL
2 18 (34.62%) Time Management
3 17 (32.69%) Mentoring
4 8 (15.38%) Network Design
5 7 (13.46%) Network Monitoring
5 7 (13.46%) Project Management
6 5 (9.62%) Kalman Filter
6 5 (9.62%) Virtual Infrastructure
7 3 (5.77%) Change Management
7 3 (5.77%) Configuration Management
7 3 (5.77%) Contingency Planning
7 3 (5.77%) Disaster Recovery
7 3 (5.77%) Information Security
7 3 (5.77%) Server Virtualisation
7 3 (5.77%) Trend Analysis
7 3 (5.77%) WFM
8 2 (3.85%) Asset Management
8 2 (3.85%) Continuous Improvement
8 2 (3.85%) CRM
8 2 (3.85%) Presales
Programming Languages
1 4 (7.69%) SQL
2 2 (3.85%) PowerShell
Qualifications
1 17 (32.69%) Cisco Certification
2 12 (23.08%) CCNA
3 7 (13.46%) DV Cleared
3 7 (13.46%) Security Cleared
4 5 (9.62%) JNCIA
4 5 (9.62%) JNCIE
4 5 (9.62%) JNCIP
4 5 (9.62%) JNCIS
5 4 (7.69%) CCNP
6 2 (3.85%) CCNP Voice
Quality Assurance & Compliance
1 3 (5.77%) PCI DSS
2 1 (1.92%) SLA
System Software
1 13 (25.00%) VMware Infrastructure
2 5 (9.62%) Active Directory
2 5 (9.62%) VMware ESX
3 3 (5.77%) Hyper-V
3 3 (5.77%) Microsoft Virtual Server
3 3 (5.77%) Virtual Servers
4 1 (1.92%) XenApp
Systems Management
1 11 (21.15%) Cisco CUCM
2 2 (3.85%) Cisco UCCX
3 1 (1.92%) Cisco Prime
3 1 (1.92%) Cisco UCCE
3 1 (1.92%) SolarWinds Orion
3 1 (1.92%) XenMobile
Vendors
1 44 (84.62%) Cisco
2 26 (50.00%) Microsoft
3 19 (36.54%) Sonus
4 17 (32.69%) Polycom
5 13 (25.00%) VMware
6 6 (11.54%) Citrix
6 6 (11.54%) Juniper
6 6 (11.54%) Palo Alto
7 5 (9.62%) Meraki
8 4 (7.69%) IPFX
9 3 (5.77%) Avaya
9 3 (5.77%) HP
9 3 (5.77%) Verint
10 2 (3.85%) IronPort
10 2 (3.85%) Mitel
10 2 (3.85%) Red Box
11 1 (1.92%) Barracuda Networks
11 1 (1.92%) Blue Coat
11 1 (1.92%) F5
11 1 (1.92%) SolarWinds
London
McGregor Boyall
Salary: £65000 - £70000 per annum + Excellent Package
Posted: 1 hour ago
Croydon, Surrey
Cloud Computing International
Salary: £50000 - £56000 per annum
Posted: 5 days ago