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 18 January 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
18 Jan 2017
Same period 2016 Same period 2015
Integrated Service Digital Network (ISDN)
London / City of London
Rank 154 139 -
Rank change year-on-year
-15 -
Contract jobs citing ISDN 3 5 0
As % of all contract IT jobs located in the City of London 0.10% 0.16% -
As % of the Communications & Networking category 0.76% 1.53% -
Number of daily rates quoted 2 5 0
Median daily rate £169 £413 -
Median daily rate % change year-on-year
-59.15% -
UK excluding London median daily rate £285 £288 £250
% change year-on-year
-0.86% +15.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £16.50 -

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
396 326 664
As % of all contract IT jobs located in the City of London 13.55% 10.64% 13.19%
Number of daily rates quoted 313 229 476
Median daily rate £433 £413 £388
Median daily rate % change year-on-year
+4.84% +6.45%
90% offered a daily rate of more than £300 £235 £291
10% offered a daily rate of more than £575 £525 £500
UK excluding London median daily rate £370 £368 £350
% change year-on-year
+0.68% +5.00%
Number of hourly rates quoted 5 10 13
Median hourly rate £55.00 £23.00 £19.50
Median hourly rate % change year-on-year
+139.13% +17.94%
UK excluding London median hourly rate £25.50 £30.00 £23.75
% change year-on-year
-15.00% +26.31%

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 18 January 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 14 (100.00%) Cisco
2 12 (85.71%) Microsoft
3 8 (57.14%) Video Conferencing
4 7 (50.00%) Skype for Business
4 7 (50.00%) ITIL
5 6 (42.86%) Unified Communications
6 5 (35.71%) Skype
6 5 (35.71%) Office 365
6 5 (35.71%) Sonus
6 5 (35.71%) Mentoring
6 5 (35.71%) Polycom
6 5 (35.71%) MS Exchange
6 5 (35.71%) VoIP
6 5 (35.71%) DNS
6 5 (35.71%) Finance
6 5 (35.71%) Virtual Team
7 4 (28.57%) Firewall
7 4 (28.57%) Citrix
7 4 (28.57%) SSL
7 4 (28.57%) MS Office
7 4 (28.57%) Smartphone
8 3 (21.43%) Asset Management
8 3 (21.43%) Retail
8 3 (21.43%) LAN
8 3 (21.43%) WAN
8 3 (21.43%) DHCP
8 3 (21.43%) Ethernet
8 3 (21.43%) TCP/IP
8 3 (21.43%) PSTN
8 3 (21.43%) 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 7 (50.00%) Skype for Business
2 5 (35.71%) MS Exchange
3 2 (14.29%) CMS
Applications
1 4 (28.57%) MS Office
Cloud Services
1 5 (35.71%) Office 365
2 1 (7.14%) Amazon AWS
2 1 (7.14%) Virtual Private Cloud
Communications & Networking
1 6 (42.86%) Unified Communications
2 5 (35.71%) DNS
2 5 (35.71%) Skype
2 5 (35.71%) VoIP
3 4 (28.57%) Firewall
3 4 (28.57%) SSL
4 3 (21.43%) DHCP
4 3 (21.43%) Ethernet
4 3 (21.43%) LAN
4 3 (21.43%) PSTN
4 3 (21.43%) TCP/IP
4 3 (21.43%) WAN
5 2 (14.29%) Cisco Nexus
5 2 (14.29%) Intrusion Detection
5 2 (14.29%) Network Security
5 2 (14.29%) PBX
5 2 (14.29%) Reverse Proxy
5 2 (14.29%) Wireless
6 1 (7.14%) IP Telephony
6 1 (7.14%) Wireshark
Database & Business Intelligence
1 1 (7.14%) SQL Server
1 1 (7.14%) SQL Server 2005
General
1 5 (35.71%) Finance
2 3 (21.43%) Financial Institution
2 3 (21.43%) Retail
3 1 (7.14%) Games
3 1 (7.14%) Legal
Job Titles
1 6 (42.86%) Unified Communications Engineer
2 5 (35.71%) Lync Engineer
3 4 (28.57%) Audio Visual Technician
4 3 (21.43%) Analyst
5 2 (14.29%) Architect
5 2 (14.29%) Cisco Architect
5 2 (14.29%) Cisco Solutions Architect
5 2 (14.29%) Network Engineer
5 2 (14.29%) Solutions Architect
5 2 (14.29%) Telephony Architect
6 1 (7.14%) Administrator
6 1 (7.14%) Cisco Engineer
6 1 (7.14%) Cisco Network Engineer
6 1 (7.14%) Information Security Administrator
6 1 (7.14%) Network Administrator
6 1 (7.14%) Network Communications Engineer
6 1 (7.14%) Network Security Administrator
6 1 (7.14%) Security Administrator
Libraries, Frameworks & Software Standards
1 2 (14.29%) 802.1X
2 1 (7.14%) Web Services
2 1 (7.14%) XMPP
Miscellaneous
1 8 (57.14%) Video Conferencing
2 5 (35.71%) Virtual Team
3 4 (28.57%) Smartphone
4 3 (21.43%) Equities
4 3 (21.43%) Fixed Income
5 2 (14.29%) Data Centre
6 1 (7.14%) Cryptography
6 1 (7.14%) Distributed Denial-of-Service
6 1 (7.14%) Management Information System
Operating Systems
1 2 (14.29%) Windows
2 1 (7.14%) Linux
2 1 (7.14%) Windows Server
2 1 (7.14%) Windows Server 2008
Processes & Methodologies
1 7 (50.00%) ITIL
2 5 (35.71%) Mentoring
3 3 (21.43%) Asset Management
3 3 (21.43%) Change Management
4 2 (14.29%) Information Security
4 2 (14.29%) PRINCE
4 2 (14.29%) Resource Management
5 1 (7.14%) Capacity Management
5 1 (7.14%) Computer Security
5 1 (7.14%) DDoS Mitigation
5 1 (7.14%) E-Discovery
5 1 (7.14%) Incident Management
5 1 (7.14%) Load Balancing
5 1 (7.14%) Multi-Factor Authentication
5 1 (7.14%) Network Design
5 1 (7.14%) Network Management
5 1 (7.14%) Network Monitoring
5 1 (7.14%) Penetration Testing
5 1 (7.14%) Problem Management
5 1 (7.14%) Security Patching
Qualifications
1 2 (14.29%) CCNP
1 2 (14.29%) Cisco Certification
1 2 (14.29%) MCITP
1 2 (14.29%) MCSE
1 2 (14.29%) MCTS
1 2 (14.29%) Microsoft Certification
1 2 (14.29%) PMI Certification
1 2 (14.29%) PMP
2 1 (7.14%) CCNA
2 1 (7.14%) CCSA
2 1 (7.14%) CCSE
2 1 (7.14%) CISSP
2 1 (7.14%) GIAC
Quality Assurance & Compliance
1 1 (7.14%) PCI DSS
System Software
1 2 (14.29%) Active Directory
1 2 (14.29%) Hyper-V
2 1 (7.14%) Firmware
2 1 (7.14%) VMware ESXi
Systems Management
1 1 (7.14%) Cisco UCCX
1 1 (7.14%) EnCase
1 1 (7.14%) Nagios
Vendors
1 14 (100.00%) Cisco
2 12 (85.71%) Microsoft
3 5 (35.71%) Polycom
3 5 (35.71%) Sonus
4 4 (28.57%) Citrix
5 2 (14.29%) Avaya
5 2 (14.29%) VMware
6 1 (7.14%) CheckPoint
6 1 (7.14%) F5
6 1 (7.14%) Fortinet
6 1 (7.14%) Infoblox
6 1 (7.14%) Riverbed