The table below looks at the statistics for ISDN skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited ISDN over the 3 months to 30 May 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
30 May 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 384 403 424
Rank change year-on-year
+19 +21
Contract jobs citing ISDN 33 17 7
As % of all contract IT jobs located in London 0.15% 0.075% 0.030%
As % of the Communications & Networking category 1.14% 0.56% 0.25%
Number of daily rates quoted 19 5 6
Median daily rate £282 £400 £375
Median daily rate % change year-on-year
-29.50% +6.66%
90% offered a daily rate of more than £120 £238 £363
10% offered a daily rate of more than £432 £400 £413
UK excluding London median daily rate £335 £338 £325
% change year-on-year
-0.74% +3.84%
Number of hourly rates quoted 3 4 0
Median hourly rate £26.00 £18.00 -
Median hourly rate % change year-on-year
+44.44% -
UK excluding London median hourly rate £19.94 - -
ISDN
England

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

Communications & Networking Category
London
Contract IT job ads with a match in the
Communications & Networking category
2886 3018 2818
As % of all contract IT jobs located in London 13.31% 13.34% 12.06%
Number of daily rates quoted 1979 1983 1881
Median daily rate £425 £375 £400
Median daily rate % change year-on-year
+13.33% -6.25%
90% offered a daily rate of more than £270 £225 £225
10% offered a daily rate of more than £575 £550 £520
UK excluding London median daily rate £370 £340 £338
% change year-on-year
+8.82% +0.74%
Number of hourly rates quoted 47 94 83
Median hourly rate £21.34 £22.50 £20.00
Median hourly rate % change year-on-year
-5.15% +12.50%
90% offered a hourly rate of more than £12.50 £14.80 £14.50
10% offered a hourly rate of more than £42.50 £50.00 £34.00
UK excluding London median hourly rate £29.00 £26.00 £18.00
% change year-on-year
+11.53% +44.44%

ISDN
Jobs Demand Trend in London

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

ISDN Jobs Demand Trend in London

ISDN
Daily Rate Trend in London

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

ISDN Daily Rate Trend in London

ISDN
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing ISDN across the London region over the 3 months to 30 May 2016.

ISDN Daily Rate Histogram in London

ISDN
Hourly Rate Trend in London

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

ISDN Hourly Rate Trend in London

ISDN
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ISDN within the London region over the 3 months to 30 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +48 4 £275 -19.11%
Ilford - 3 £120 -
Harrow - 1 £460 -
Canary Wharf - 1 - -
ISDN
England

ISDN
Top 30 Related IT Skills in London

For the 6 months to 30 May 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 London region with a requirement for ISDN.

1 41 (82.00%) Cisco
2 30 (60.00%) ITIL
3 29 (58.00%) Cisco Certification
4 27 (54.00%) WAN
5 26 (52.00%) Wireless
6 23 (46.00%) Firewall
7 22 (44.00%) TCP/IP
7 22 (44.00%) VPN
8 20 (40.00%) Network Management
9 19 (38.00%) Network Security
9 19 (38.00%) Network Monitoring
9 19 (38.00%) Broadband
10 17 (34.00%) Security Cleared
11 16 (32.00%) DV Cleared
11 16 (32.00%) Network Design
12 13 (26.00%) MPLS
13 12 (24.00%) CCNP
14 11 (22.00%) CCNA
14 11 (22.00%) PSTN
15 10 (20.00%) VoIP
15 10 (20.00%) Video Conferencing
16 9 (18.00%) Project Management
16 9 (18.00%) H.323
17 8 (16.00%) DNS
17 8 (16.00%) Microsoft
17 8 (16.00%) CCNP Voice
18 7 (14.00%) Cisco UCCX
18 7 (14.00%) Avaya
18 7 (14.00%) Juniper
18 7 (14.00%) SLA

ISDN
Top Related IT Skills in 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 3 (6.00%) SharePoint
1 3 (6.00%) Skype for Business
2 2 (4.00%) Exchange Server 2010
2 2 (4.00%) Exchange Server 2013
2 2 (4.00%) MS Exchange
3 1 (2.00%) CMS
3 1 (2.00%) Exchange Server 2007
3 1 (2.00%) IIS
Applications
1 5 (10.00%) MS Excel
2 4 (8.00%) MS Office
3 2 (4.00%) MS Visio
Business Applications
1 3 (6.00%) Dynamics CRM
Cloud Services
1 3 (6.00%) Office 365
Communications & Networking
1 27 (54.00%) WAN
2 26 (52.00%) Wireless
3 23 (46.00%) Firewall
4 22 (44.00%) TCP/IP
4 22 (44.00%) VPN
5 19 (38.00%) Broadband
5 19 (38.00%) Network Security
6 13 (26.00%) MPLS
7 11 (22.00%) PSTN
8 10 (20.00%) VoIP
9 9 (18.00%) H.323
10 8 (16.00%) DNS
11 7 (14.00%) Ethernet
12 6 (12.00%) BGP
12 6 (12.00%) IP Telephony
12 6 (12.00%) IPsec
12 6 (12.00%) OSPF
13 5 (10.00%) DHCP
13 5 (10.00%) EIGRP
13 5 (10.00%) PBX
Database & Business Intelligence
1 2 (4.00%) SQL Server
1 2 (4.00%) SQL Server 2005
2 1 (2.00%) SQL Server 2008
2 1 (2.00%) SQL Server 2012
General
1 7 (14.00%) Finance
2 6 (12.00%) Telecoms
3 2 (4.00%) Back Office
4 1 (2.00%) Banking
4 1 (2.00%) Games
4 1 (2.00%) Investment Banking
4 1 (2.00%) Retail
Job Titles
1 14 (28.00%) Analyst
2 13 (26.00%) Network Analyst
2 13 (26.00%) Network Engineer
3 9 (18.00%) Voice Engineer
4 7 (14.00%) Network Support
5 5 (10.00%) Senior Network Engineer
6 4 (8.00%) Cisco Analyst
6 4 (8.00%) Cisco Network Analyst
6 4 (8.00%) Senior Voice Engineer
6 4 (8.00%) Senior Voice Network Engineer
6 4 (8.00%) Support Engineer
6 4 (8.00%) Voice Network Engineer
7 3 (6.00%) Audio Visual Engineer
7 3 (6.00%) Cisco Engineer
7 3 (6.00%) Senior Analyst
7 3 (6.00%) Senior Network Analyst
7 3 (6.00%) Team Leader
7 3 (6.00%) Telecoms Engineer
8 2 (4.00%) Network Support Engineer
8 2 (4.00%) Senior Support Engineer
Libraries, Frameworks & Software Standards
1 4 (8.00%) 802.1X
2 2 (4.00%) XMPP
Miscellaneous
1 10 (20.00%) Video Conferencing
2 3 (6.00%) Informatics
2 3 (6.00%) Management Information System
2 3 (6.00%) PKI
2 3 (6.00%) Streaming Video
3 2 (4.00%) Analytical Skills
3 2 (4.00%) Data Centre
4 1 (2.00%) EqualLogic
4 1 (2.00%) Mathematics
4 1 (2.00%) PMI
Operating Systems
1 4 (8.00%) Windows
2 3 (6.00%) Windows Server
3 2 (4.00%) Linux
3 2 (4.00%) Windows Server 2008
4 1 (2.00%) Unix
4 1 (2.00%) Windows 2000
4 1 (2.00%) Windows 8
4 1 (2.00%) Windows NT
4 1 (2.00%) Windows Server 2003
4 1 (2.00%) Windows Server 2012
4 1 (2.00%) Windows XP
Processes & Methodologies
1 30 (60.00%) ITIL
2 20 (40.00%) Network Management
3 19 (38.00%) Network Monitoring
4 16 (32.00%) Network Design
5 9 (18.00%) Project Management
6 6 (12.00%) Service Delivery
7 5 (10.00%) Change Management
7 5 (10.00%) WAN Optimisation
8 3 (6.00%) Business Continuity
8 3 (6.00%) Business Continuity Planning
8 3 (6.00%) Continuous Improvement
8 3 (6.00%) CRM
8 3 (6.00%) Incident Management
8 3 (6.00%) ITIL V3
8 3 (6.00%) Procure-to-Pay
8 3 (6.00%) Release Management
8 3 (6.00%) Root Cause Analysis
8 3 (6.00%) Service Management
8 3 (6.00%) Time Management
9 2 (4.00%) PRINCE2
Programming Languages
1 4 (8.00%) C
2 1 (2.00%) SQL
Qualifications
1 29 (58.00%) Cisco Certification
2 17 (34.00%) Security Cleared
3 16 (32.00%) DV Cleared
4 12 (24.00%) CCNP
5 11 (22.00%) CCNA
6 8 (16.00%) CCNP Voice
7 3 (6.00%) CCIE
8 2 (4.00%) PRINCE2 Practitioner
9 1 (2.00%) Avaya Certification
9 1 (2.00%) Degree
9 1 (2.00%) ITIL Certification
9 1 (2.00%) PMI Certification
Quality Assurance & Compliance
1 7 (14.00%) SLA
2 2 (4.00%) BS7799
2 2 (4.00%) Sarbanes-Oxley
System Software
1 2 (4.00%) Active Directory
1 2 (4.00%) VMware ESXi
1 2 (4.00%) VMware Infrastructure
2 1 (2.00%) XenApp
Systems Management
1 7 (14.00%) Cisco UCCX
2 6 (12.00%) Cisco CUCM
3 1 (2.00%) WSUS
Vendors
1 41 (82.00%) Cisco
2 8 (16.00%) Microsoft
3 7 (14.00%) Avaya
3 7 (14.00%) Juniper
4 6 (12.00%) CheckPoint
4 6 (12.00%) Polycom
5 5 (10.00%) Riverbed
6 4 (8.00%) BT
7 3 (6.00%) Huawei
7 3 (6.00%) Mitel
7 3 (6.00%) NetSuite
7 3 (6.00%) Palo Alto
7 3 (6.00%) Salesforce.com
8 2 (4.00%) Alcatel-Lucent
8 2 (4.00%) Bloomberg
8 2 (4.00%) Ciena
8 2 (4.00%) HP
8 2 (4.00%) NICE Systems
8 2 (4.00%) VMware
9 1 (2.00%) Dell