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 10 December 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
10 Dec 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 402 415 412
Rank change year-on-year
+13 -3
Contract jobs citing ISDN 18 12 9
As % of all contract IT jobs located in London 0.084% 0.053% 0.038%
As % of the Communications & Networking category 0.65% 0.43% 0.29%
Number of daily rates quoted 10 12 3
Median daily rate £183 £363 £285
Median daily rate % change year-on-year
-49.65% +27.19%
90% offered a daily rate of more than £169 £256 £257
10% offered a daily rate of more than £381 £413 £397
UK excluding London median daily rate £362 £400 £273
% change year-on-year
-9.50% +46.78%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £16.50 -
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
2777 2820 3076
As % of all contract IT jobs located in London 12.93% 12.55% 13.10%
Number of daily rates quoted 1854 1888 2092
Median daily rate £438 £425 £388
Median daily rate % change year-on-year
+2.94% +9.67%
90% offered a daily rate of more than £250 £255 £225
10% offered a daily rate of more than £575 £575 £525
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 80 89 84
Median hourly rate £32.50 £22.62 £20.00
Median hourly rate % change year-on-year
+43.67% +13.10%
90% offered a hourly rate of more than £13.00 £13.85 £14.00
10% offered a hourly rate of more than £55.00 £50.00 £37.50
UK excluding London median hourly rate £27.50 £22.50 £23.13
% change year-on-year
+22.22% -2.70%

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 10 December 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 10 December 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 -7 9 £169 -59.15% 1
Lewisham - 1 £275 -
ISDN
England

ISDN
Top 30 Related IT Skills in London

For the 6 months to 10 December 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 31 (86.11%) Cisco
2 21 (58.33%) Microsoft
3 17 (47.22%) VoIP
4 13 (36.11%) WAN
5 12 (33.33%) DNS
5 12 (33.33%) LAN
5 12 (33.33%) ITIL
5 12 (33.33%) Firewall
5 12 (33.33%) Video Conferencing
6 11 (30.56%) TCP/IP
6 11 (30.56%) Ethernet
7 10 (27.78%) DHCP
7 10 (27.78%) MS Office
7 10 (27.78%) Windows
7 10 (27.78%) Unified Communications
8 9 (25.00%) Citrix
8 9 (25.00%) Smartphone
9 8 (22.22%) Wireless
9 8 (22.22%) Cisco Certification
9 8 (22.22%) SSL
9 8 (22.22%) Skype for Business
10 7 (19.44%) 802.1X
10 7 (19.44%) Windows Server
10 7 (19.44%) Change Management
10 7 (19.44%) Finance
11 6 (16.67%) Active Directory
11 6 (16.67%) MS Exchange
11 6 (16.67%) PBX
11 6 (16.67%) PSTN
11 6 (16.67%) Data Centre

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 8 (22.22%) Skype for Business
2 6 (16.67%) MS Exchange
3 2 (5.56%) CMS
4 1 (2.78%) Apache
4 1 (2.78%) Blackberry Enterprise Server
4 1 (2.78%) Exchange Server 2010
Applications
1 10 (27.78%) MS Office
2 4 (11.11%) MS Excel
3 1 (2.78%) MS PowerPoint
Cloud Services
1 6 (16.67%) Office 365
2 2 (5.56%) Amazon AWS
2 2 (5.56%) Virtual Private Cloud
3 1 (2.78%) Mimecast
3 1 (2.78%) SaaS
Communications & Networking
1 17 (47.22%) VoIP
2 13 (36.11%) WAN
3 12 (33.33%) DNS
3 12 (33.33%) Firewall
3 12 (33.33%) LAN
4 11 (30.56%) Ethernet
4 11 (30.56%) TCP/IP
5 10 (27.78%) DHCP
5 10 (27.78%) Unified Communications
6 8 (22.22%) SSL
6 8 (22.22%) Wireless
7 6 (16.67%) Cisco Nexus
7 6 (16.67%) Network Security
7 6 (16.67%) PBX
7 6 (16.67%) PSTN
7 6 (16.67%) Skype
8 5 (13.89%) IP Telephony
8 5 (13.89%) MGCP
8 5 (13.89%) MPLS
8 5 (13.89%) VPN
Database & Business Intelligence
1 4 (11.11%) SQL Server
1 4 (11.11%) SQL Server 2005
2 1 (2.78%) MySQL
General
1 7 (19.44%) Finance
2 3 (8.33%) Financial Institution
2 3 (8.33%) Retail
3 2 (5.56%) Legal
3 2 (5.56%) Telecoms
4 1 (2.78%) Banking
4 1 (2.78%) Billing
4 1 (2.78%) Corporate Banking
4 1 (2.78%) Games
Job Titles
1 9 (25.00%) Network Engineer
2 8 (22.22%) Unified Communications Engineer
3 6 (16.67%) Cisco Engineer
4 5 (13.89%) Cisco Network Engineer
4 5 (13.89%) Lync Engineer
5 4 (11.11%) Audio Visual Technician
6 3 (8.33%) Analyst
7 2 (5.56%) Architect
7 2 (5.56%) Cisco Architect
7 2 (5.56%) Cisco Solutions Architect
7 2 (5.56%) Information Security Administrator
7 2 (5.56%) Network Administrator
7 2 (5.56%) Network Communications Engineer
7 2 (5.56%) Network Security Administrator
7 2 (5.56%) Security Administrator
7 2 (5.56%) Solutions Architect
7 2 (5.56%) Support Engineer
7 2 (5.56%) Support Specialist
7 2 (5.56%) Support Technician
7 2 (5.56%) Telephony Architect
Libraries, Frameworks & Software Standards
1 7 (19.44%) 802.1X
2 2 (5.56%) Web Services
2 2 (5.56%) XMPP
3 1 (2.78%) RFC 2833
Miscellaneous
1 12 (33.33%) Video Conferencing
2 9 (25.00%) Smartphone
3 6 (16.67%) Data Centre
4 5 (13.89%) Virtual Team
5 4 (11.11%) Management Information System
5 4 (11.11%) Statistics
6 3 (8.33%) Equities
6 3 (8.33%) Fixed Income
7 2 (5.56%) Cryptography
7 2 (5.56%) Distributed Denial-of-Service
8 1 (2.78%) Blackberry
8 1 (2.78%) RSA SecurID
Operating Systems
1 10 (27.78%) Windows
2 7 (19.44%) Windows Server
3 4 (11.11%) Linux
3 4 (11.11%) Windows Server 2008
4 3 (8.33%) Unix
5 2 (5.56%) Windows Server 2012
6 1 (2.78%) Android
6 1 (2.78%) Red Hat Enterprise Linux
Processes & Methodologies
1 12 (33.33%) ITIL
2 7 (19.44%) Change Management
3 6 (16.67%) Network Management
4 5 (13.89%) Mentoring
5 4 (11.11%) Asset Management
5 4 (11.11%) Disaster Recovery
5 4 (11.11%) Information Security
5 4 (11.11%) Load Balancing
5 4 (11.11%) Network Monitoring
5 4 (11.11%) Service Delivery
6 3 (8.33%) Incident Management
6 3 (8.33%) Network Design
6 3 (8.33%) Problem Management
6 3 (8.33%) Project Management
7 2 (5.56%) DDoS Mitigation
7 2 (5.56%) Multi-Factor Authentication
7 2 (5.56%) PRINCE
7 2 (5.56%) Resource Management
7 2 (5.56%) Security Patching
7 2 (5.56%) Service Management
Qualifications
1 8 (22.22%) Cisco Certification
2 4 (11.11%) CCNP
3 3 (8.33%) CCNA
3 3 (8.33%) Microsoft Certification
3 3 (8.33%) Security Cleared
4 2 (5.56%) MCITP
4 2 (5.56%) MCSE
4 2 (5.56%) MCTS
4 2 (5.56%) PMI Certification
4 2 (5.56%) PMP
4 2 (5.56%) SC Cleared
5 1 (2.78%) CCSA
5 1 (2.78%) CCSE
5 1 (2.78%) CISSP
5 1 (2.78%) DV Cleared
5 1 (2.78%) GIAC
5 1 (2.78%) ITIL Certification
Quality Assurance & Compliance
1 2 (5.56%) PCI DSS
2 1 (2.78%) SLA
System Software
1 6 (16.67%) Active Directory
2 3 (8.33%) Hyper-V
3 2 (5.56%) Firmware
3 2 (5.56%) VMware ESXi
4 1 (2.78%) ProxySG
4 1 (2.78%) vSphere
Systems Management
1 5 (13.89%) Cisco UCCX
2 2 (5.56%) EnCase
2 2 (5.56%) Foglight
2 2 (5.56%) Nagios
2 2 (5.56%) WSUS
3 1 (2.78%) AirWatch
3 1 (2.78%) Cisco CME
3 1 (2.78%) Cisco CUCM
Vendors
1 31 (86.11%) Cisco
2 21 (58.33%) Microsoft
3 9 (25.00%) Citrix
4 6 (16.67%) Sonus
5 5 (13.89%) Polycom
6 4 (11.11%) F5
6 4 (11.11%) VMware
7 3 (8.33%) Avaya
7 3 (8.33%) CheckPoint
7 3 (8.33%) Juniper
8 2 (5.56%) Aruba
8 2 (5.56%) Blue Coat
8 2 (5.56%) Dell
8 2 (5.56%) Dell KACE
8 2 (5.56%) Fortinet
8 2 (5.56%) Infoblox
8 2 (5.56%) Palo Alto
8 2 (5.56%) Riverbed
9 1 (2.78%) Huawei
9 1 (2.78%) Proofpoint