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 average contractor rates offered in IT contracts that have cited ISDN over the 3 months to 29 April 2016 with a comparison to the same period in 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
29 Apr 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 152 198 214
Rank change year-on-year
+46 +16
Contract jobs citing ISDN 5 2 4
As % of all contract IT jobs located in the City of London 0.14% 0.037% 0.064%
As % of the Communications & Networking category 1.16% 0.27% 0.55%
Number of daily rates quoted 2 1 1
Average daily rate £331 £340 £350
Average daily rate % change year-on-year
-2.57% -2.85%
UK excluding London average daily rate £335 £331 £339
% change year-on-year
+1.13% -2.21%
Number of hourly rates quoted 2 1 0
Average hourly rate £26.00 £13.46 -
Average hourly rate % change year-on-year
+93.16% -
UK excluding London average hourly rate £27.50 - -
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
432 736 727
As % of all contract IT jobs located in the City of London 12.37% 13.46% 11.69%
Number of daily rates quoted 325 539 512
Average daily rate £425 £400 £388
Average daily rate % change year-on-year
+6.25% +3.22%
90% offered a daily rate of more than £295 £238 £235
10% offered a daily rate of more than £550 £550 £525
UK excluding London average daily rate £364 £340 £335
% change year-on-year
+7.05% +1.49%
Number of hourly rates quoted 12 12 20
Average hourly rate £19.00 £17.00 £22.00
Average hourly rate % change year-on-year
+11.76% -22.72%
90% offered a hourly rate of more than £18.55 £12.98 £12.50
10% offered a hourly rate of more than £27.55 £19.72 £33.75
UK excluding London average hourly rate £30.00 £30.00 £20.75
% change year-on-year
- +44.57%

ISDN
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing ISDN across the City of London region as a proportion of the total demand within 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 29 April 2016, IT contractor jobs across the City of London region citing ISDN also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited ISDN.

1 10 (100.00%) Cisco
2 8 (80.00%) ITIL
2 8 (80.00%) Wireless
3 7 (70.00%) WAN
4 6 (60.00%) MPLS
5 5 (50.00%) Cisco Certification
5 5 (50.00%) Firewall
5 5 (50.00%) Polycom
5 5 (50.00%) Video Conferencing
5 5 (50.00%) Riverbed
5 5 (50.00%) 802.1X
6 4 (40.00%) CCNP Voice
6 4 (40.00%) IPsec
6 4 (40.00%) Finance
6 4 (40.00%) Change Management
6 4 (40.00%) CCNP
6 4 (40.00%) OSPF
6 4 (40.00%) BGP
6 4 (40.00%) VPN
6 4 (40.00%) DNS
7 3 (30.00%) SLA
7 3 (30.00%) PSTN
7 3 (30.00%) Juniper
7 3 (30.00%) CheckPoint
7 3 (30.00%) CCIE
7 3 (30.00%) Service Management
7 3 (30.00%) H.323
7 3 (30.00%) PKI
7 3 (30.00%) RTSP
7 3 (30.00%) Cisco CUCM

ISDN
Top Related IT Skills in the City of London by Category

For the 6 months to 29 April 2016, IT contractor jobs across the City of London region citing ISDN also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited ISDN. Up to 20 skills are shown per category.

Application Platforms
1 2 (20.00%) SharePoint
1 2 (20.00%) Skype for Business
2 1 (10.00%) Exchange Server 2010
2 1 (10.00%) Exchange Server 2013
2 1 (10.00%) MS Exchange
Applications
1 2 (20.00%) MS Excel
1 2 (20.00%) MS Office
Business Applications
1 2 (20.00%) Dynamics CRM
Cloud Services
1 2 (20.00%) Office 365
Communications & Networking
1 8 (80.00%) Wireless
2 7 (70.00%) WAN
3 6 (60.00%) MPLS
4 5 (50.00%) Firewall
5 4 (40.00%) BGP
5 4 (40.00%) DNS
5 4 (40.00%) IPsec
5 4 (40.00%) OSPF
5 4 (40.00%) VPN
6 3 (30.00%) Cisco ASA
6 3 (30.00%) Cisco ISE
6 3 (30.00%) DMVPN
6 3 (30.00%) H.323
6 3 (30.00%) PSTN
6 3 (30.00%) RTSP
7 2 (20.00%) Telepresence
7 2 (20.00%) VLAN
8 1 (10.00%) EIGRP
8 1 (10.00%) IP Telephony
8 1 (10.00%) Network Security
General
1 4 (40.00%) Finance
Job Titles
1 5 (50.00%) Network Engineer
2 4 (40.00%) Voice Engineer
2 4 (40.00%) Voice Network Engineer
3 3 (30.00%) Senior Network Engineer
3 3 (30.00%) Senior Voice Engineer
3 3 (30.00%) Senior Voice Network Engineer
4 2 (20.00%) Analyst
4 2 (20.00%) Audio Visual Engineer
4 2 (20.00%) Network Analyst
4 2 (20.00%) Network Support
4 2 (20.00%) Network Support Engineer
4 2 (20.00%) Senior Network Support
4 2 (20.00%) Senior Network Support Engineer
4 2 (20.00%) Senior Support Engineer
4 2 (20.00%) Senior Voice Support Engineer
4 2 (20.00%) Support Engineer
4 2 (20.00%) Voice Support Engineer
5 1 (10.00%) Cisco Network Consultant
5 1 (10.00%) Data Network Engineer
5 1 (10.00%) Network Operations Specialist
Libraries, Frameworks & Software Standards
1 5 (50.00%) 802.1X
Miscellaneous
1 5 (50.00%) Video Conferencing
2 3 (30.00%) PKI
3 2 (20.00%) Data Centre
3 2 (20.00%) Streaming Video
4 1 (10.00%) EqualLogic
Operating Systems
1 1 (10.00%) Windows
1 1 (10.00%) Windows Server
1 1 (10.00%) Windows Server 2003
1 1 (10.00%) Windows Server 2008
1 1 (10.00%) Windows Server 2012
Processes & Methodologies
1 8 (80.00%) ITIL
2 4 (40.00%) Change Management
3 3 (30.00%) Procure-to-pay
3 3 (30.00%) Service Management
3 3 (30.00%) WAN Optimisation
4 2 (20.00%) CRM
4 2 (20.00%) Incident Management
4 2 (20.00%) Network Management
4 2 (20.00%) Problem Management
4 2 (20.00%) Release Management
4 2 (20.00%) Root Cause Analysis
4 2 (20.00%) Time Management
5 1 (10.00%) Investment Management
5 1 (10.00%) Network Design
5 1 (10.00%) Network Monitoring
5 1 (10.00%) Project Management
5 1 (10.00%) Wealth Management
Programming Languages
1 2 (20.00%) C
Qualifications
1 5 (50.00%) Cisco Certification
2 4 (40.00%) CCNP
2 4 (40.00%) CCNP Voice
3 3 (30.00%) CCIE
4 1 (10.00%) DV Cleared
4 1 (10.00%) Security Cleared
Quality Assurance & Compliance
1 3 (30.00%) SLA
System Software
1 1 (10.00%) Active Directory
1 1 (10.00%) VMware ESXi
1 1 (10.00%) VMware Infrastructure
Systems Management
1 3 (30.00%) Cisco CUCM
1 3 (30.00%) Cisco UCCX
2 1 (10.00%) WSUS
Vendors
1 10 (100.00%) Cisco
2 5 (50.00%) Polycom
2 5 (50.00%) Riverbed
3 3 (30.00%) CheckPoint
3 3 (30.00%) Juniper
3 3 (30.00%) Palo Alto
4 2 (20.00%) Microsoft
4 2 (20.00%) NetSuite
4 2 (20.00%) Salesforce.com
5 1 (10.00%) Avaya
5 1 (10.00%) Bloomberg
5 1 (10.00%) Dell
5 1 (10.00%) HP
5 1 (10.00%) Sophos
5 1 (10.00%) VMware