The following table provides summary statistics for contract job vacancies advertised in England with a requirement for ISDN skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ISDN over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Integrated Service Digital Network (ISDN)
UK / England
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 541 574 587
Rank change year-on-year +33 +13  
Contract jobs citing ISDN 48 49 49
As % of all contract IT jobs advertised in England 0.11% 0.10% 0.096%
As % of the Communications & Networking category 0.81% 0.63% 0.65%
Number of daily rates quoted 34 27 16
Median daily rate £388 £288 £338
Median daily rate % change year-on-year +34.78% -14.81%  
90% offered a daily rate of more than £257 £188 £202
10% offered a daily rate of more than £535 £408 £450
UK excluding London median daily rate £388 £336 £338
% change year-on-year +15.32% -0.44%  
Number of hourly rates quoted 3 3 5
Median hourly rate £24.86 £26.00 £18.00
Median hourly rate % change year-on-year -4.38% +44.44%  
UK excluding London median hourly rate - £12.38 £41.29
% change year-on-year - -70.02%  

ISDN is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
England
Contract job vacancies with a requirement for communications and computer networking skills 5923 7740 7498
As % of all contract IT job vacancies advertised in England 13.72% 15.88% 14.73%
Number of daily rates quoted 3516 4793 4296
Median daily rate £400 £400 £360
Median daily rate % change year-on-year - +11.11%  
90% offered a daily rate of more than £220 £240 £220
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £375 £365 £340
% change year-on-year +2.73% +7.35%  
Number of hourly rates quoted 354 352 438
Median hourly rate £24.86 £28.00 £22.83
Median hourly rate % change year-on-year -11.21% +22.64%  
90% offered a hourly rate of more than £12.00 £12.50 £13.00
10% offered a hourly rate of more than £50.00 £47.83 £45.00
UK excluding London median hourly rate £29.00 £31.50 £25.00
% change year-on-year -7.93% +26.00%  

ISDN
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing ISDN as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for ISDN in England

ISDN
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for ISDN in England

ISDN
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing ISDN in England over the 3 months to 26 June 2017.

Contractor daily rate histogram for ISDN in England

ISDN
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for ISDN in England

ISDN
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ISDN within the England region over the 3 months to 26 June 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
London -6 25 £388 +40.90% 2
South West - 7 £638 - 2
North West +27 5 £325 -19.25%
South East +24 4 £334 -0.66% 3
East of England -11 4 £381 +32.60%
Yorkshire +25 2 £369 -13.74%
West Midlands - 1 - - 1
ISDN
UK

For the 6 months to 26 June 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 across the England region with a requirement for ISDN.

1 64 (78.05%) Cisco
2 49 (59.76%) Cisco Certification
3 45 (54.88%) TCP/IP
4 43 (52.44%) Firewall
5 38 (46.34%) WAN
6 35 (42.68%) VoIP
7 30 (36.59%) LAN
8 26 (31.71%) Wireless
9 25 (30.49%) CCNA
9 25 (30.49%) Security Cleared
10 24 (29.27%) Network Security
10 24 (29.27%) VPN
11 23 (28.05%) Juniper
12 21 (25.61%) VLAN
13 20 (24.39%) Network Management
13 20 (24.39%) ITIL
14 19 (23.17%) DV Cleared
15 18 (21.95%) Network Design
15 18 (21.95%) Ethernet
15 18 (21.95%) Broadband
16 17 (20.73%) CCNP
16 17 (20.73%) Network Monitoring
17 14 (17.07%) DHCP
18 13 (15.85%) DNS
18 13 (15.85%) Windows
18 13 (15.85%) MPLS
18 13 (15.85%) Cisco UCCX
19 12 (14.63%) Cisco CUCM
19 12 (14.63%) HSRP
19 12 (14.63%) Cisco IOS

ISDN
Co-occurring IT Skills in England 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 (9.76%) Skype for Business
2 4 (4.88%) MS Exchange
3 2 (2.44%) Exchange Server 2010
4 1 (1.22%) Blackberry Enterprise Server
4 1 (1.22%) CMS
4 1 (1.22%) IIS
4 1 (1.22%) SharePoint
Applications
1 2 (2.44%) Microsoft Excel
1 2 (2.44%) Microsoft Office
1 2 (2.44%) MS Visio
2 1 (1.22%) Microsoft PowerPoint
Business Applications
1 4 (4.88%) Cisco SocialMiner
2 1 (1.22%) SAP Oil and Gas
Cloud Services
1 5 (6.10%) Amazon AWS
1 5 (6.10%) Virtual Private Cloud
Communications & Networking
1 45 (54.88%) TCP/IP
2 43 (52.44%) Firewall
3 38 (46.34%) WAN
4 35 (42.68%) VoIP
5 30 (36.59%) LAN
6 26 (31.71%) Wireless
7 24 (29.27%) Network Security
7 24 (29.27%) VPN
8 21 (25.61%) VLAN
9 18 (21.95%) Broadband
9 18 (21.95%) Ethernet
10 14 (17.07%) DHCP
11 13 (15.85%) DNS
11 13 (15.85%) MPLS
12 12 (14.63%) Cisco IOS
12 12 (14.63%) HSRP
13 11 (13.41%) Cisco Nexus
13 11 (13.41%) Unified Communications
14 10 (12.20%) ADSL
14 10 (12.20%) OSPF
General
1 10 (12.20%) Telecoms
2 3 (3.66%) Retail
3 2 (2.44%) Finance
4 1 (1.22%) Banking
4 1 (1.22%) Corporate Banking
4 1 (1.22%) Electronics
4 1 (1.22%) Local Government
4 1 (1.22%) Manufacturing
4 1 (1.22%) Marketing
Job Titles
1 30 (36.59%) Network Engineer
2 10 (12.20%) DV Cleared Network Engineer
2 10 (12.20%) Support Engineer
3 8 (9.76%) Cisco Engineer
3 8 (9.76%) Network Support
3 8 (9.76%) SC Cleared Network Engineer
4 7 (8.54%) Network Support Engineer
5 6 (7.32%) Cisco Specialist
5 6 (7.32%) Security Engineer
6 5 (6.10%) Network Specialist
6 5 (6.10%) Unified Communications Specialist
7 4 (4.88%) Analyst
7 4 (4.88%) Cisco Network Specialist
7 4 (4.88%) Telephony Engineer
8 3 (3.66%) Administrator
8 3 (3.66%) Architect
8 3 (3.66%) Data Centre Engineer
8 3 (3.66%) IP Engineer
8 3 (3.66%) Senior Network Engineer
8 3 (3.66%) Technical Support
Libraries, Frameworks & Software Standards
1 11 (13.41%) 802.1X
2 7 (8.54%) XMPP
3 2 (2.44%) RFC 2547
3 2 (2.44%) Web Services
Miscellaneous
1 9 (10.98%) Analytical Skills
2 7 (8.54%) Video Conferencing
3 5 (6.10%) Distributed Denial-of-Service
4 4 (4.88%) Data Centre
4 4 (4.88%) Management Information System
5 3 (3.66%) Handset
5 3 (3.66%) IVR
6 2 (2.44%) Smartphone
7 1 (1.22%) Blackberry
7 1 (1.22%) Computer Science
7 1 (1.22%) e-Health
7 1 (1.22%) NHS
7 1 (1.22%) Replication
Operating Systems
1 13 (15.85%) Windows
2 3 (3.66%) Linux
2 3 (3.66%) Red Hat Enterprise Linux
2 3 (3.66%) Windows Server 2008
3 2 (2.44%) Windows 7
3 2 (2.44%) Windows Server
3 2 (2.44%) Windows Server 2012
4 1 (1.22%) Unix
4 1 (1.22%) Windows Server 2003
4 1 (1.22%) Windows XP
Processes & Methodologies
1 20 (24.39%) ITIL
1 20 (24.39%) Network Management
2 18 (21.95%) Network Design
3 17 (20.73%) Network Monitoring
4 11 (13.41%) Migration
5 9 (10.98%) Project Management
6 6 (7.32%) Configuration Management
7 5 (6.10%) DDoS Mitigation
7 5 (6.10%) Demand Management
7 5 (6.10%) E-Discovery
7 5 (6.10%) Load Balancing
7 5 (6.10%) Penetration Testing
8 4 (4.88%) Service Design
9 3 (3.66%) Change Management
9 3 (3.66%) Disaster Recovery
9 3 (3.66%) High Availability
9 3 (3.66%) Incident Management
9 3 (3.66%) Information Security
10 2 (2.44%) Risk Management
10 2 (2.44%) Stakeholder Management
Programming Languages
1 1 (1.22%) C
1 1 (1.22%) SQL
Qualifications
1 49 (59.76%) Cisco Certification
2 25 (30.49%) CCNA
2 25 (30.49%) Security Cleared
3 19 (23.17%) DV Cleared
4 17 (20.73%) CCNP
5 11 (13.41%) SC Cleared
6 6 (7.32%) CCNP Voice
7 3 (3.66%) JNCIA
8 2 (2.44%) CCSE
8 2 (2.44%) CISSP
8 2 (2.44%) GIAC
8 2 (2.44%) JNCIE
8 2 (2.44%) JNCIP
8 2 (2.44%) JNCIS
9 1 (1.22%) CCIE
9 1 (1.22%) Computer Science Degree
9 1 (1.22%) Degree
9 1 (1.22%) ISEB
9 1 (1.22%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 2 (2.44%) PCI DSS
2 1 (1.22%) PMO
System Software
1 3 (3.66%) Active Directory
1 3 (3.66%) Firmware
2 2 (2.44%) Hyper-V
2 2 (2.44%) VMware Infrastructure
3 1 (1.22%) Microsoft Virtual Server
3 1 (1.22%) ProxySG
3 1 (1.22%) Virtual Servers
3 1 (1.22%) VMware ESXi
Systems Management
1 13 (15.85%) Cisco UCCX
2 12 (14.63%) Cisco CUCM
3 8 (9.76%) Cisco Prime
4 5 (6.10%) EnCase
4 5 (6.10%) Nagios
5 1 (1.22%) Cisco UCCE
5 1 (1.22%) DameWare
5 1 (1.22%) HP Data Protector
5 1 (1.22%) MobiControl
5 1 (1.22%) SCCM
5 1 (1.22%) Symantec Endpoint Protection
Vendors
1 64 (78.05%) Cisco
2 23 (28.05%) Juniper
3 12 (14.63%) CheckPoint
4 11 (13.41%) SolarWinds
5 10 (12.20%) F5
5 10 (12.20%) Microsoft
6 9 (10.98%) Red Box
7 8 (9.76%) Infoblox
8 7 (8.54%) Avaya
9 6 (7.32%) Riverbed
10 5 (6.10%) Mitel
11 4 (4.88%) Citrix
12 3 (3.66%) Fortinet
12 3 (3.66%) Pegasus
12 3 (3.66%) Red Hat
12 3 (3.66%) Ruckus Wireless
12 3 (3.66%) VMware
13 2 (2.44%) BT
13 2 (2.44%) Sonus
13 2 (2.44%) Verint
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