The table below looks at the statistics for ISDN skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited ISDN over the 3 months to 23 January 2017 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
23 Jan 2017
Same period 2016 Same period 2015
Integrated Service Digital Network (ISDN)
UK
Rank 541 586 576
Rank change year-on-year
+45 -10
Contract jobs citing ISDN 46 44 31
As % of all contract IT jobs located in the UK 0.10% 0.088% 0.061%
As % of the Communications & Networking category 0.67% 0.61% 0.41%
Number of daily rates quoted 31 28 14
Median daily rate £285 £350 £225
Median daily rate % change year-on-year
-18.57% +55.55%
90% offered a daily rate of more than £175 £225 £165
10% offered a daily rate of more than £415 £416 £350
UK excluding London median daily rate £285 £288 £225
% change year-on-year
-0.86% +27.77%
Number of hourly rates quoted 0 6 0
Median hourly rate - £19.25 -
UK excluding London median hourly rate - £16.50 -

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

Communications & Networking Category
UK
Contract IT job ads with a match in the
Communications & Networking category
6864 7264 7480
As % of all contract IT jobs located in the UK 15.30% 14.53% 14.75%
Number of daily rates quoted 4199 4225 4224
Median daily rate £400 £398 £375
Median daily rate % change year-on-year
+0.62% +6.00%
90% offered a daily rate of more than £225 £240 £220
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £370 £366 £350
% change year-on-year
+1.02% +4.64%
Number of hourly rates quoted 354 359 417
Median hourly rate £27.75 £27.50 £23.50
Median hourly rate % change year-on-year
+0.90% +17.02%
90% offered a hourly rate of more than £12.07 £14.00 £13.00
10% offered a hourly rate of more than £55.00 £50.00 £41.00
UK excluding London median hourly rate £25.00 £30.00 £25.00
% change year-on-year
-16.66% +20.00%

ISDN
Jobs Demand Trend

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

ISDN Jobs Demand Trend in the UK

ISDN
Daily Rate Trend

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

ISDN Daily Rate Trend in the UK

ISDN
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing ISDN within the UK over the 3 months to 23 January 2017.

ISDN Daily Rate Histogram in the UK

ISDN
Hourly Rate Trend

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

ISDN Hourly Rate Trend in the UK

ISDN
Top 26 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ISDN within the UK over the 3 months to 23 January 2017. 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 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
England +41 46 £285 -18.57% 4
London +10 14 £275 -26.66% 3
South East +16 11 £275 -4.34%
East of England +13 11 £195 -29.09% 1
Hertfordshire +3 10 £195 -
Stevenage - 10 £195 -
Surrey +26 6 £300 -
Birmingham - 4 £285 -
West Midlands - 4 £285 -
Hampshire +12 3 £290 -17.61%
Berkshire +20 2 £155 -29.54%
South West +5 2 £288 -23.33%
City of London -5 2 £169 -59.15% 1
West Yorkshire +14 1 £320 -24.70%
Yorkshire +10 1 £320 -24.70%
Devon - 1 £185 -
Gloucestershire - 1 £390 -
Basingstoke - 1 £218 -
Bracknell - 1 £155 -
Camberley - 1 £500 -
Cheltenham - 1 £390 -
Exeter - 1 £185 -
Wakefield - 1 £320 -
Bedfordshire - 1 £415 -
Maidenhead - 1 - -
Lewisham - 1 £275 -

ISDN
Top 30 Related IT Skills

For the 6 months to 23 January 2017, 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 with a requirement for ISDN.

1 62 (76.54%) Cisco
2 47 (58.02%) WAN
3 44 (54.32%) LAN
4 37 (45.68%) Firewall
5 36 (44.44%) TCP/IP
6 35 (43.21%) ITIL
7 34 (41.98%) Cisco Certification
8 27 (33.33%) DNS
8 27 (33.33%) Microsoft
8 27 (33.33%) Network Security
9 24 (29.63%) DHCP
9 24 (29.63%) MPLS
9 24 (29.63%) Network Management
10 23 (28.40%) Wireless
10 23 (28.40%) Ethernet
11 21 (25.93%) VoIP
11 21 (25.93%) Unified Communications
12 20 (24.69%) VPN
12 20 (24.69%) Juniper
13 19 (23.46%) Skype for Business
13 19 (23.46%) Network Monitoring
14 18 (22.22%) F5
14 18 (22.22%) Cisco Nexus
15 17 (20.99%) Skype
16 16 (19.75%) Data Centre
16 16 (19.75%) SSL
17 15 (18.52%) CCNA
17 15 (18.52%) Security Cleared
17 15 (18.52%) Network Design
17 15 (18.52%) 802.1X

ISDN
Top Related IT Skills 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 19 (23.46%) Skype for Business
2 13 (16.05%) MS Exchange
3 2 (2.47%) CMS
3 2 (2.47%) Exchange Server 2010
4 1 (1.23%) Apache
4 1 (1.23%) Blackberry Enterprise Server
4 1 (1.23%) IIS
4 1 (1.23%) NetWeaver
Applications
1 11 (13.58%) MS Office
2 7 (8.64%) MS Excel
3 1 (1.23%) MS PowerPoint
Cloud Services
1 10 (12.35%) Office 365
2 2 (2.47%) Amazon AWS
2 2 (2.47%) Virtual Private Cloud
3 1 (1.23%) Mimecast
3 1 (1.23%) SaaS
Communications & Networking
1 47 (58.02%) WAN
2 44 (54.32%) LAN
3 37 (45.68%) Firewall
4 36 (44.44%) TCP/IP
5 27 (33.33%) DNS
5 27 (33.33%) Network Security
6 24 (29.63%) DHCP
6 24 (29.63%) MPLS
7 23 (28.40%) Ethernet
7 23 (28.40%) Wireless
8 21 (25.93%) Unified Communications
8 21 (25.93%) VoIP
9 20 (24.69%) VPN
10 18 (22.22%) Cisco Nexus
11 17 (20.99%) Skype
12 16 (19.75%) SSL
13 14 (17.28%) PBX
13 14 (17.28%) PSTN
14 13 (16.05%) ADSL
14 13 (16.05%) Broadband
Database & Business Intelligence
1 4 (4.94%) SQL Server
1 4 (4.94%) SQL Server 2005
2 1 (1.23%) MySQL
General
1 12 (14.81%) Telecoms
2 8 (9.88%) Finance
3 3 (3.70%) Financial Institution
3 3 (3.70%) Retail
4 2 (2.47%) Banking
5 1 (1.23%) Billing
5 1 (1.23%) Corporate Banking
5 1 (1.23%) Legal
5 1 (1.23%) Local Government
Job Titles
1 29 (35.80%) Network Engineer
2 14 (17.28%) Network Support
3 11 (13.58%) Support Engineer
4 10 (12.35%) Network Support Engineer
4 10 (12.35%) Unified Communications Engineer
5 7 (8.64%) Cisco Engineer
5 7 (8.64%) SC Cleared Network Engineer
6 6 (7.41%) Cisco Network Engineer
7 5 (6.17%) Architect
7 5 (6.17%) Lync Engineer
8 4 (4.94%) Analyst
8 4 (4.94%) Audio Visual Technician
8 4 (4.94%) DV Cleared Network Engineer
8 4 (4.94%) Support Technician
8 4 (4.94%) Unified Communications Specialist
8 4 (4.94%) Voice Specialist
9 3 (3.70%) Cisco Support
9 3 (3.70%) Network Security Engineer
9 3 (3.70%) Security Engineer
9 3 (3.70%) Voice Engineer
Libraries, Frameworks & Software Standards
1 15 (18.52%) 802.1X
2 3 (3.70%) RFC 2833
3 2 (2.47%) Web Services
3 2 (2.47%) XMPP
4 1 (1.23%) CCXML
4 1 (1.23%) EDI
4 1 (1.23%) JDBC
4 1 (1.23%) JTAPI
4 1 (1.23%) LINQ to SQL
4 1 (1.23%) ODBC
4 1 (1.23%) SAP PI
4 1 (1.23%) SAP XI
4 1 (1.23%) VXML
4 1 (1.23%) XML
Miscellaneous
1 16 (19.75%) Data Centre
2 13 (16.05%) Management Information System
3 10 (12.35%) Video Conferencing
4 9 (11.11%) Smartphone
5 6 (7.41%) Cryptography
5 6 (7.41%) Driving Licence
6 5 (6.17%) Virtual Team
7 3 (3.70%) Equities
7 3 (3.70%) Fixed Income
7 3 (3.70%) IVR
8 2 (2.47%) CCTV
8 2 (2.47%) Distributed Denial-of-Service
8 2 (2.47%) e-Health
8 2 (2.47%) PKI
8 2 (2.47%) Replication
8 2 (2.47%) Statistics
9 1 (1.23%) Analytical Skills
9 1 (1.23%) Blackberry
9 1 (1.23%) Data Integration
9 1 (1.23%) Mathematics
Operating Systems
1 14 (17.28%) Windows
2 10 (12.35%) Windows Server
3 6 (7.41%) Windows Server 2008
4 5 (6.17%) Linux
5 4 (4.94%) Unix
5 4 (4.94%) Windows Server 2012
6 2 (2.47%) Red Hat Enterprise Linux
7 1 (1.23%) Android
7 1 (1.23%) Windows 7
7 1 (1.23%) Windows Server 2003
Processes & Methodologies
1 35 (43.21%) ITIL
2 24 (29.63%) Network Management
3 19 (23.46%) Network Monitoring
4 15 (18.52%) Network Design
5 13 (16.05%) Information Security
6 12 (14.81%) Change Management
6 12 (14.81%) Load Balancing
6 12 (14.81%) Project Management
7 9 (11.11%) Problem Management
8 8 (9.88%) Incident Management
9 7 (8.64%) Disaster Recovery
9 7 (8.64%) Mentoring
10 6 (7.41%) Capacity Management
10 6 (7.41%) Computer Security
10 6 (7.41%) Security Patching
10 6 (7.41%) Service Delivery
10 6 (7.41%) Service Management
11 5 (6.17%) High Availability
12 4 (4.94%) Asset Management
13 3 (3.70%) ITSM
Programming Languages
1 1 (1.23%) ActionScript
1 1 (1.23%) ActionScript 2.0
1 1 (1.23%) C
1 1 (1.23%) SQL
Qualifications
1 34 (41.98%) Cisco Certification
2 15 (18.52%) CCNA
2 15 (18.52%) Security Cleared
3 14 (17.28%) SC Cleared
4 9 (11.11%) CCNP
5 6 (7.41%) DV Cleared
5 6 (7.41%) Microsoft Certification
6 4 (4.94%) MCSE
7 3 (3.70%) CCIE
7 3 (3.70%) Degree
8 2 (2.47%) CCDA
8 2 (2.47%) CNA
8 2 (2.47%) CNE
8 2 (2.47%) JNCIA
8 2 (2.47%) MCITP
8 2 (2.47%) MCSA
8 2 (2.47%) MCTS
8 2 (2.47%) Novell Certification
8 2 (2.47%) PMI Certification
8 2 (2.47%) PMP
Quality Assurance & Compliance
1 9 (11.11%) SLA
2 8 (9.88%) PCI DSS
3 2 (2.47%) ISO/IEC 27001
System Software
1 9 (11.11%) Active Directory
2 5 (6.17%) Hyper-V
3 3 (3.70%) VMware Infrastructure
4 2 (2.47%) Firmware
4 2 (2.47%) VMware ESXi
5 1 (1.23%) Microsoft Virtual Server
5 1 (1.23%) ProxySG
5 1 (1.23%) Virtual Servers
5 1 (1.23%) vSphere
Systems Management
1 6 (7.41%) AirWatch
2 5 (6.17%) Cisco UCCX
3 4 (4.94%) Cisco Prime
4 2 (2.47%) Cisco CUCM
4 2 (2.47%) EnCase
4 2 (2.47%) Foglight
4 2 (2.47%) Nagios
4 2 (2.47%) SolarWinds Orion
4 2 (2.47%) WSUS
5 1 (1.23%) Cisco CME
5 1 (1.23%) Cisco UCCE
Vendors
1 62 (76.54%) Cisco
2 27 (33.33%) Microsoft
3 20 (24.69%) Juniper
4 18 (22.22%) F5
5 7 (8.64%) Citrix
5 7 (8.64%) Sonus
5 7 (8.64%) VMware
6 5 (6.17%) Cyberoam
6 5 (6.17%) Polycom
7 4 (4.94%) Avaya
7 4 (4.94%) CheckPoint
7 4 (4.94%) Palo Alto
8 3 (3.70%) Mitel
8 3 (3.70%) Riverbed
8 3 (3.70%) SolarWinds
9 2 (2.47%) Aruba
9 2 (2.47%) Barracuda Networks
9 2 (2.47%) Blue Coat
9 2 (2.47%) Infoblox
9 2 (2.47%) Novell