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 31 August 2016 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
31 Aug 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 172 196 206
Rank change year-on-year
+24 +10
Contract jobs citing ISDN 6 6 3
As % of all contract IT jobs located in the City of London 0.17% 0.11% 0.052%
As % of the Communications & Networking category 1.11% 0.83% 0.37%
Number of daily rates quoted 4 3 3
Median daily rate £402 £425 £500
Median daily rate % change year-on-year
-5.52% -15.00%
90% offered a daily rate of more than £388 £425 £380
10% offered a daily rate of more than £453 £525 £560
UK excluding London median daily rate £275 £350 £315
% change year-on-year
-21.42% +11.11%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £41.29 £24.56
% change year-on-year
- +68.11%
ISDN
London

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
541 723 804
As % of all contract IT jobs located in the City of London 15.55% 13.45% 13.82%
Number of daily rates quoted 424 530 515
Median daily rate £450 £425 £400
Median daily rate % change year-on-year
+5.88% +6.25%
90% offered a daily rate of more than £325 £300 £250
10% offered a daily rate of more than £563 £525 £575
UK excluding London median daily rate £365 £350 £338
% change year-on-year
+4.28% +3.70%
Number of hourly rates quoted 5 18 28
Median hourly rate £12.00 £16.50 £19.00
Median hourly rate % change year-on-year
-27.27% -13.15%
UK excluding London median hourly rate £36.00 £21.53 £22.50
% change year-on-year
+67.24% -4.33%

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 31 August 2016, 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 10 (100.00%) Cisco
2 7 (70.00%) ITIL
3 6 (60.00%) WAN
3 6 (60.00%) DNS
3 6 (60.00%) Change Management
3 6 (60.00%) Firewall
4 5 (50.00%) TCP/IP
4 5 (50.00%) Microsoft
5 4 (40.00%) SSL
5 4 (40.00%) DHCP
5 4 (40.00%) Ethernet
5 4 (40.00%) LAN
5 4 (40.00%) Wireless
5 4 (40.00%) Cisco Certification
5 4 (40.00%) Network Security
5 4 (40.00%) Network Management
5 4 (40.00%) Skype for Business
6 3 (30.00%) Office 365
6 3 (30.00%) Cisco Nexus
6 3 (30.00%) Network Monitoring
6 3 (30.00%) Polycom
6 3 (30.00%) Video Conferencing
6 3 (30.00%) Information Security
6 3 (30.00%) Intrusion Detection
6 3 (30.00%) CCNP
6 3 (30.00%) PSTN
6 3 (30.00%) Windows
6 3 (30.00%) Data Centre
6 3 (30.00%) 802.1X
7 2 (20.00%) Windows Server

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 4 (40.00%) Skype for Business
2 2 (20.00%) MS Exchange
2 2 (20.00%) SharePoint
3 1 (10.00%) CMS
3 1 (10.00%) Exchange Server 2010
3 1 (10.00%) Exchange Server 2013
Applications
1 2 (20.00%) MS Excel
1 2 (20.00%) MS Office
Business Applications
1 2 (20.00%) Dynamics CRM
Cloud Services
1 3 (30.00%) Office 365
2 1 (10.00%) Amazon AWS
2 1 (10.00%) Virtual Private Cloud
Communications & Networking
1 6 (60.00%) DNS
1 6 (60.00%) Firewall
1 6 (60.00%) WAN
2 5 (50.00%) TCP/IP
3 4 (40.00%) DHCP
3 4 (40.00%) Ethernet
3 4 (40.00%) LAN
3 4 (40.00%) Network Security
3 4 (40.00%) SSL
3 4 (40.00%) Wireless
4 3 (30.00%) Cisco Nexus
4 3 (30.00%) Intrusion Detection
4 3 (30.00%) PSTN
5 2 (20.00%) ADSL
5 2 (20.00%) H.323
5 2 (20.00%) ICMP
5 2 (20.00%) MPLS
5 2 (20.00%) SNMP
5 2 (20.00%) VPN
5 2 (20.00%) X.25
Database & Business Intelligence
1 1 (10.00%) SQL Server
1 1 (10.00%) SQL Server 2005
General
1 2 (20.00%) Finance
2 1 (10.00%) Financial Institution
2 1 (10.00%) Games
2 1 (10.00%) Legal
2 1 (10.00%) Retail
Job Titles
1 4 (40.00%) Network Engineer
2 2 (20.00%) Analyst
2 2 (20.00%) Audio Visual Engineer
2 2 (20.00%) Cisco Engineer
2 2 (20.00%) Cisco Network Engineer
2 2 (20.00%) Network Analyst
2 2 (20.00%) Unified Communications Engineer
3 1 (10.00%) Administrator
3 1 (10.00%) Architect
3 1 (10.00%) Cisco Architect
3 1 (10.00%) Cisco Solutions Architect
3 1 (10.00%) Information Security Administrator
3 1 (10.00%) Lync Engineer
3 1 (10.00%) Network Administrator
3 1 (10.00%) Network Communications Engineer
3 1 (10.00%) Network Security Administrator
3 1 (10.00%) Security Administrator
3 1 (10.00%) Solutions Architect
3 1 (10.00%) Telephony Architect
Libraries, Frameworks & Software Standards
1 3 (30.00%) 802.1X
2 1 (10.00%) Web Services
2 1 (10.00%) XMPP
Miscellaneous
1 3 (30.00%) Data Centre
1 3 (30.00%) Video Conferencing
2 2 (20.00%) Cryptography
2 2 (20.00%) Management Information System
2 2 (20.00%) Streaming Video
3 1 (10.00%) Distributed Denial-of-Service
3 1 (10.00%) EqualLogic
3 1 (10.00%) Equities
3 1 (10.00%) Fixed Income
3 1 (10.00%) Virtual Team
Operating Systems
1 3 (30.00%) Windows
2 2 (20.00%) Windows Server
2 2 (20.00%) Windows Server 2008
3 1 (10.00%) Linux
3 1 (10.00%) Windows Server 2003
3 1 (10.00%) Windows Server 2012
Processes & Methodologies
1 7 (70.00%) ITIL
2 6 (60.00%) Change Management
3 4 (40.00%) Network Management
4 3 (30.00%) Information Security
4 3 (30.00%) Network Monitoring
5 2 (20.00%) Capacity Management
5 2 (20.00%) Computer Security
5 2 (20.00%) CRM
5 2 (20.00%) Incident Management
5 2 (20.00%) Load Balancing
5 2 (20.00%) Network Design
5 2 (20.00%) Problem Management
5 2 (20.00%) Project Management
5 2 (20.00%) Release Management
5 2 (20.00%) Security Patching
5 2 (20.00%) Time Management
6 1 (10.00%) E-Discovery
6 1 (10.00%) Investment Management
6 1 (10.00%) Penetration Testing
6 1 (10.00%) PRINCE
Programming Languages
1 2 (20.00%) C
Qualifications
1 4 (40.00%) Cisco Certification
2 3 (30.00%) CCNP
3 1 (10.00%) CCNA
3 1 (10.00%) CCSA
3 1 (10.00%) CCSE
3 1 (10.00%) CISSP
3 1 (10.00%) DV Cleared
3 1 (10.00%) GIAC
3 1 (10.00%) MCITP
3 1 (10.00%) MCSE
3 1 (10.00%) MCTS
3 1 (10.00%) Microsoft Certification
3 1 (10.00%) PMI Certification
3 1 (10.00%) PMP
3 1 (10.00%) Security Cleared
Quality Assurance & Compliance
1 2 (20.00%) PCI DSS
System Software
1 2 (20.00%) Active Directory
1 2 (20.00%) VMware ESXi
2 1 (10.00%) Firmware
2 1 (10.00%) Hyper-V
2 1 (10.00%) VMware Infrastructure
Systems Management
1 1 (10.00%) Cisco UCCX
1 1 (10.00%) EnCase
1 1 (10.00%) Nagios
1 1 (10.00%) WSUS
Vendors
1 10 (100.00%) Cisco
2 5 (50.00%) Microsoft
3 3 (30.00%) Polycom
4 2 (20.00%) Avaya
4 2 (20.00%) F5
4 2 (20.00%) Fortinet
4 2 (20.00%) NetSuite
4 2 (20.00%) Salesforce.com
4 2 (20.00%) VMware
5 1 (10.00%) Bloomberg
5 1 (10.00%) CheckPoint
5 1 (10.00%) Dell
5 1 (10.00%) HP
5 1 (10.00%) Infoblox
5 1 (10.00%) Riverbed
5 1 (10.00%) Sonus
5 1 (10.00%) Sophos