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 27 September 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
27 Sep 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 167 181 208
Rank change year-on-year
+14 +27
Contract jobs citing ISDN 8 5 3
As % of all contract IT jobs located in the City of London 0.23% 0.11% 0.052%
As % of the Communications & Networking category 1.48% 0.83% 0.37%
Number of daily rates quoted 4 4 3
Median daily rate £402 £425 £351
Median daily rate % change year-on-year
-5.52% +21.25%
90% offered a daily rate of more than £388 £395 £270
10% offered a daily rate of more than £453 £513 £470
UK excluding London median daily rate £250 £475 £290
% change year-on-year
-47.36% +63.79%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £24.12
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
539 599 806
As % of all contract IT jobs located in the City of London 15.67% 12.94% 13.91%
Number of daily rates quoted 417 451 527
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 £338 £285 £263
10% offered a daily rate of more than £550 £525 £550
UK excluding London median daily rate £370 £360 £345
% change year-on-year
+2.77% +4.34%
Number of hourly rates quoted 4 14 27
Median hourly rate £14.63 £14.75 £19.50
Median hourly rate % change year-on-year
-0.84% -24.35%
90% offered a hourly rate of more than £12.00 £11.75 £13.50
10% offered a hourly rate of more than £27.93 £19.00 £160.00
UK excluding London median hourly rate £28.00 £21.01 £23.00
% change year-on-year
+33.30% -8.67%

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 27 September 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 11 (100.00%) Cisco
2 7 (63.64%) DNS
2 7 (63.64%) ITIL
2 7 (63.64%) Firewall
3 6 (54.55%) WAN
3 6 (54.55%) Microsoft
4 5 (45.45%) SSL
4 5 (45.45%) TCP/IP
4 5 (45.45%) Change Management
4 5 (45.45%) Skype for Business
5 4 (36.36%) Network Management
5 4 (36.36%) Network Security
5 4 (36.36%) Wireless
5 4 (36.36%) Cisco Certification
5 4 (36.36%) DHCP
5 4 (36.36%) Ethernet
5 4 (36.36%) LAN
5 4 (36.36%) PSTN
6 3 (27.27%) Windows
6 3 (27.27%) MS Exchange
6 3 (27.27%) Active Directory
6 3 (27.27%) CCNP
6 3 (27.27%) Avaya
6 3 (27.27%) Polycom
6 3 (27.27%) Video Conferencing
6 3 (27.27%) Unified Communications
6 3 (27.27%) Office 365
6 3 (27.27%) Cisco Nexus
6 3 (27.27%) Network Monitoring
6 3 (27.27%) VMware

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 5 (45.45%) Skype for Business
2 3 (27.27%) MS Exchange
3 2 (18.18%) CMS
4 1 (9.09%) Exchange Server 2010
4 1 (9.09%) Exchange Server 2013
4 1 (9.09%) SharePoint
Applications
1 1 (9.09%) MS Excel
1 1 (9.09%) MS Office
Business Applications
1 1 (9.09%) Dynamics CRM
Cloud Services
1 3 (27.27%) Office 365
2 1 (9.09%) Amazon AWS
2 1 (9.09%) Virtual Private Cloud
Communications & Networking
1 7 (63.64%) DNS
1 7 (63.64%) Firewall
2 6 (54.55%) WAN
3 5 (45.45%) SSL
3 5 (45.45%) TCP/IP
4 4 (36.36%) DHCP
4 4 (36.36%) Ethernet
4 4 (36.36%) LAN
4 4 (36.36%) Network Security
4 4 (36.36%) PSTN
4 4 (36.36%) Wireless
5 3 (27.27%) Cisco Nexus
5 3 (27.27%) Intrusion Detection
5 3 (27.27%) Unified Communications
6 2 (18.18%) Cisco ASA
6 2 (18.18%) HSRP
6 2 (18.18%) IP Telephony
6 2 (18.18%) IPsec
6 2 (18.18%) Reverse Proxy
6 2 (18.18%) X.25
Database & Business Intelligence
1 1 (9.09%) SQL Server
1 1 (9.09%) SQL Server 2005
General
1 3 (27.27%) Finance
2 2 (18.18%) Financial Institution
2 2 (18.18%) Retail
3 1 (9.09%) Games
3 1 (9.09%) Legal
Job Titles
1 4 (36.36%) Network Engineer
2 3 (27.27%) Unified Communications Engineer
3 2 (18.18%) Analyst
3 2 (18.18%) Architect
3 2 (18.18%) Cisco Architect
3 2 (18.18%) Cisco Engineer
3 2 (18.18%) Cisco Network Engineer
3 2 (18.18%) Cisco Solutions Architect
3 2 (18.18%) Lync Engineer
3 2 (18.18%) Network Analyst
3 2 (18.18%) Solutions Architect
3 2 (18.18%) Telephony Architect
4 1 (9.09%) Administrator
4 1 (9.09%) Audio Visual Engineer
4 1 (9.09%) Information Security Administrator
4 1 (9.09%) Network Administrator
4 1 (9.09%) Network Communications Engineer
4 1 (9.09%) Network Security Administrator
4 1 (9.09%) Security Administrator
Libraries, Frameworks & Software Standards
1 3 (27.27%) 802.1X
2 1 (9.09%) Web Services
2 1 (9.09%) XMPP
Miscellaneous
1 3 (27.27%) Data Centre
1 3 (27.27%) Video Conferencing
2 2 (18.18%) Cryptography
2 2 (18.18%) Equities
2 2 (18.18%) Fixed Income
2 2 (18.18%) Management Information System
2 2 (18.18%) Virtual Team
3 1 (9.09%) Distributed Denial-of-Service
3 1 (9.09%) Streaming Video
Operating Systems
1 3 (27.27%) Windows
2 2 (18.18%) Windows Server
2 2 (18.18%) Windows Server 2008
3 1 (9.09%) Linux
3 1 (9.09%) Windows Server 2003
3 1 (9.09%) Windows Server 2012
Processes & Methodologies
1 7 (63.64%) ITIL
2 5 (45.45%) Change Management
3 4 (36.36%) Network Management
4 3 (27.27%) Information Security
4 3 (27.27%) Network Monitoring
5 2 (18.18%) Asset Management
5 2 (18.18%) Capacity Management
5 2 (18.18%) Computer Security
5 2 (18.18%) Incident Management
5 2 (18.18%) Load Balancing
5 2 (18.18%) Mentoring
5 2 (18.18%) Network Design
5 2 (18.18%) PRINCE
5 2 (18.18%) Problem Management
5 2 (18.18%) Project Management
5 2 (18.18%) Resource Management
5 2 (18.18%) Security Patching
6 1 (9.09%) CRM
6 1 (9.09%) Disaster Recovery
6 1 (9.09%) Investment Management
Programming Languages
1 1 (9.09%) C
Qualifications
1 4 (36.36%) Cisco Certification
2 3 (27.27%) CCNP
3 2 (18.18%) MCITP
3 2 (18.18%) MCSE
3 2 (18.18%) MCTS
3 2 (18.18%) Microsoft Certification
3 2 (18.18%) PMI Certification
3 2 (18.18%) PMP
4 1 (9.09%) CCNA
4 1 (9.09%) CCSA
4 1 (9.09%) CCSE
4 1 (9.09%) CISSP
4 1 (9.09%) DV Cleared
4 1 (9.09%) GIAC
4 1 (9.09%) Security Cleared
Quality Assurance & Compliance
1 2 (18.18%) PCI DSS
System Software
1 3 (27.27%) Active Directory
2 2 (18.18%) Hyper-V
2 2 (18.18%) VMware ESXi
3 1 (9.09%) Firmware
3 1 (9.09%) VMware Infrastructure
Systems Management
1 1 (9.09%) Cisco UCCX
1 1 (9.09%) EnCase
1 1 (9.09%) Nagios
1 1 (9.09%) WSUS
Vendors
1 11 (100.00%) Cisco
2 6 (54.55%) Microsoft
3 3 (27.27%) Avaya
3 3 (27.27%) Polycom
3 3 (27.27%) VMware
4 2 (18.18%) F5
4 2 (18.18%) Fortinet
4 2 (18.18%) Sonus
5 1 (9.09%) Bloomberg
5 1 (9.09%) CheckPoint
5 1 (9.09%) Dell
5 1 (9.09%) EqualLogic
5 1 (9.09%) HP
5 1 (9.09%) Infoblox
5 1 (9.09%) NetSuite
5 1 (9.09%) Riverbed
5 1 (9.09%) Salesforce.com
5 1 (9.09%) Sophos