The table below looks at the statistics for ISDN skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited ISDN over the 3 months to 19 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
19 Feb 2017
Same period 2016 Same period 2015
Integrated Service Digital Network (ISDN)
London / City of London
Rank 144 149 -
Rank change year-on-year
+5 -
Contract jobs citing ISDN 2 5 0
As % of all contract IT jobs located in the City of London 0.069% 0.16% -
As % of the Communications & Networking category 0.55% 1.43% -
Number of daily rates quoted 1 5 0
Median daily rate £169 £388 -
Median daily rate % change year-on-year
-56.51% -
UK excluding London median daily rate £275 £340 £203
% change year-on-year
-19.11% +67.90%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £43.00 -

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in contract jobs advertised in the City of London region.

Communications & Networking Category
City of London
Contract IT job ads with a match in the
Communications & Networking category
363 350 702
As % of all contract IT jobs located in the City of London 12.45% 10.97% 13.60%
Number of daily rates quoted 290 245 510
Median daily rate £430 £405 £388
Median daily rate % change year-on-year
+6.17% +4.51%
90% offered a daily rate of more than £300 £250 £250
10% offered a daily rate of more than £575 £525 £525
UK excluding London median daily rate £370 £363 £350
% change year-on-year
+2.06% +3.57%
Number of hourly rates quoted 7 9 12
Median hourly rate £19.00 £24.00 £18.70
Median hourly rate % change year-on-year
-20.83% +28.34%
90% offered a hourly rate of more than £13.00 £19.50 £16.00
10% offered a hourly rate of more than £55.00 £30.00 £40.00
UK excluding London median hourly rate £21.00 £30.00 £26.50
% change year-on-year
-30.00% +13.20%

ISDN
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing ISDN as a proportion of all IT contracts with a match in the Communications & Networking category.

ISDN Jobs Demand Trend in the City of London

ISDN
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing ISDN across the City of London region.

ISDN Daily Rate Trend in the City of London

ISDN
Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing ISDN across the City of London region.

ISDN Hourly Rate Trend in the City of London

ISDN
Top 30 Related IT Skills in the City of London

For the 6 months to 19 February 2017, IT contractor jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for ISDN.

1 12 (100.00%) Cisco
2 10 (83.33%) Microsoft
3 7 (58.33%) Video Conferencing
4 6 (50.00%) Skype for Business
4 6 (50.00%) ITIL
4 6 (50.00%) VoIP
5 5 (41.67%) Unified Communications
6 4 (33.33%) Sonus
6 4 (33.33%) Mentoring
6 4 (33.33%) Skype
6 4 (33.33%) Office 365
6 4 (33.33%) Polycom
6 4 (33.33%) Virtual Team
6 4 (33.33%) MS Office
6 4 (33.33%) MS Exchange
6 4 (33.33%) Citrix
6 4 (33.33%) Finance
6 4 (33.33%) Smartphone
7 3 (25.00%) PSTN
7 3 (25.00%) DNS
8 2 (16.67%) SSL
8 2 (16.67%) TCP/IP
8 2 (16.67%) WAN
8 2 (16.67%) DHCP
8 2 (16.67%) Ethernet
8 2 (16.67%) LAN
8 2 (16.67%) PBX
8 2 (16.67%) Avaya
8 2 (16.67%) Asset Management
8 2 (16.67%) Change Management

ISDN
Top Related IT Skills in the City of 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 6 (50.00%) Skype for Business
2 4 (33.33%) MS Exchange
3 1 (8.33%) CMS
Applications
1 4 (33.33%) MS Office
Cloud Services
1 4 (33.33%) Office 365
Communications & Networking
1 6 (50.00%) VoIP
2 5 (41.67%) Unified Communications
3 4 (33.33%) Skype
4 3 (25.00%) DNS
4 3 (25.00%) PSTN
5 2 (16.67%) DHCP
5 2 (16.67%) Ethernet
5 2 (16.67%) Firewall
5 2 (16.67%) LAN
5 2 (16.67%) PBX
5 2 (16.67%) SSL
5 2 (16.67%) TCP/IP
5 2 (16.67%) WAN
5 2 (16.67%) Wireless
6 1 (8.33%) ADSL
6 1 (8.33%) Broadband
6 1 (8.33%) Intrusion Detection
6 1 (8.33%) IP Telephony
6 1 (8.33%) IPsec
6 1 (8.33%) SNMP
Database & Business Intelligence
1 1 (8.33%) SQL Server
1 1 (8.33%) SQL Server 2005
General
1 4 (33.33%) Finance
2 2 (16.67%) Financial Institution
2 2 (16.67%) Retail
3 1 (8.33%) Telecoms
Job Titles
1 5 (41.67%) Unified Communications Engineer
2 4 (33.33%) Audio Visual Technician
2 4 (33.33%) Lync Engineer
3 3 (25.00%) Analyst
4 2 (16.67%) Network Engineer
5 1 (8.33%) Architect
5 1 (8.33%) Cisco Architect
5 1 (8.33%) Cisco Engineer
5 1 (8.33%) Cisco Network Engineer
5 1 (8.33%) Cisco Solutions Architect
5 1 (8.33%) Cisco Specialist
5 1 (8.33%) Cisco VoIP Specialist
5 1 (8.33%) Mitel Specialist
5 1 (8.33%) Network Communications Engineer
5 1 (8.33%) Solutions Architect
5 1 (8.33%) Telecoms Specialist
5 1 (8.33%) Telephony Architect
5 1 (8.33%) VoIP Specialist
Libraries, Frameworks & Software Standards
1 2 (16.67%) 802.1X
2 1 (8.33%) XMPP
Miscellaneous
1 7 (58.33%) Video Conferencing
2 4 (33.33%) Smartphone
2 4 (33.33%) Virtual Team
3 2 (16.67%) Data Centre
3 2 (16.67%) Equities
3 2 (16.67%) Fixed Income
4 1 (8.33%) Handset
4 1 (8.33%) Management Information System
Operating Systems
1 1 (8.33%) Windows
1 1 (8.33%) Windows Server
1 1 (8.33%) Windows Server 2008
Processes & Methodologies
1 6 (50.00%) ITIL
2 4 (33.33%) Mentoring
3 2 (16.67%) Asset Management
3 2 (16.67%) Change Management
4 1 (8.33%) Capacity Management
4 1 (8.33%) Computer Security
4 1 (8.33%) Cryptography
4 1 (8.33%) Disaster Recovery
4 1 (8.33%) Incident Management
4 1 (8.33%) Information Security
4 1 (8.33%) Load Balancing
4 1 (8.33%) Network Management
4 1 (8.33%) Network Monitoring
4 1 (8.33%) PRINCE
4 1 (8.33%) Problem Management
4 1 (8.33%) Project Management
4 1 (8.33%) Resource Management
4 1 (8.33%) Security Patching
Qualifications
1 1 (8.33%) CCNP
1 1 (8.33%) Cisco Certification
1 1 (8.33%) MCITP
1 1 (8.33%) MCSE
1 1 (8.33%) MCTS
1 1 (8.33%) Microsoft Certification
1 1 (8.33%) PMI Certification
1 1 (8.33%) PMP
Quality Assurance & Compliance
1 1 (8.33%) PCI DSS
System Software
1 1 (8.33%) Active Directory
1 1 (8.33%) Hyper-V
1 1 (8.33%) VMware ESXi
Systems Management
1 1 (8.33%) Cisco UCCX
Vendors
1 12 (100.00%) Cisco
2 10 (83.33%) Microsoft
3 4 (33.33%) Citrix
3 4 (33.33%) Polycom
3 4 (33.33%) Sonus
4 2 (16.67%) Avaya
5 1 (8.33%) F5
5 1 (8.33%) Fortinet
5 1 (8.33%) Mitel
5 1 (8.33%) Siemens
5 1 (8.33%) VMware