Period
to 21 June 2018

The following table provides summary statistics for contract job vacancies with a requirement for ISDN skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ISDN over the 6 months to 21 June 2018 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
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 818 764 784
Rank change year-on-year -54 +20 +6
Contract jobs citing ISDN 61 82 115
As % of all contract IT jobs advertised in the UK 0.061% 0.090% 0.11%
As % of the Communications & Networking category 0.46% 0.65% 0.71%
Number of daily rates quoted 24 54 72
UK median daily rate £385 £350 £300
Median daily rate % change year-on-year +10.00% +16.67% -11.76%
10th Percentile £173 £211 £200
90th Percentile £446 £543 £438
UK excluding London median daily rate £395 £338 £318
% change year-on-year +17.04% +6.30% -4.15%
Number of hourly rates quoted 5 3 9
UK median hourly rate £15.50 £24.86 £26.00
Median hourly rate % change year-on-year -37.65% -4.38% +44.44%
10th Percentile £15.25 £23.83 £22.84
90th Percentile £31.80 £25.29 £44.50
UK excluding London median hourly rate £15.50 - £28.38

ISDN is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Contract vacancies with a requirement for communications or computer networking skills 13,292 12,669 16,225
As % of all contract IT jobs advertised in the UK 13.29% 13.90% 15.21%
Number of daily rates quoted 8,171 7,686 9,745
UK median daily rate £425 £405 £400
Median daily rate % change year-on-year +4.94% +1.25% +6.67%
10th Percentile £205 £206 £219
90th Percentile £600 £575 £575
UK excluding London median daily rate £395 £385 £375
% change year-on-year +2.60% +2.67% +7.14%
Number of hourly rates quoted 731 749 751
UK median hourly rate £19.09 £20.00 £26.25
Median hourly rate % change year-on-year -4.55% -23.81% +22.09%
10th Percentile £12.00 £11.25 £11.25
90th Percentile £47.50 £51.80 £47.83
UK excluding London median hourly rate £19.00 £19.50 £27.50
% change year-on-year -2.56% -29.09% +22.22%

ISDN
Job Vacancy Trend

Job postings citing ISDN as a percentage of all IT jobs advertised.

Job vacancy trend for ISDN in the UK

ISDN
Contractor Daily Rate Trend

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

Contractor daily rate trend for ISDN in the UK

ISDN
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing ISDN over the 6 months to 21 June 2018.

Contractor daily rate histogram for ISDN in the UK

ISDN
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for ISDN in the UK

ISDN
Top 11 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 6 months to 21 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -79 53 £325 -7.14% 10
London -40 32 £375 +0.67% 6
UK excluding London -18 26 £395 +17.04% 6
South East -11 13 £275 +7.74% 1
Isle of Man - 5 £425 - 2
North West -10 3 £395 +21.54%
Midlands -11 3 - -
North of England -42 3 £395 +21.54%
East of England -4 2 - -
East Midlands - 2 - -
West Midlands -12 1 - -

For the 6 months to 21 June 2018, IT contractor jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for ISDN.

1 34 (55.74%) Cisco
2 28 (45.90%) Cisco Certification
3 27 (44.26%) WAN
4 26 (42.62%) ITIL
5 22 (36.07%) VoIP
6 20 (32.79%) LAN
7 19 (31.15%) TCP/IP
7 19 (31.15%) Firewall
8 17 (27.87%) VPN
8 17 (27.87%) Windows
9 16 (26.23%) Wireless
9 16 (26.23%) Finance
9 16 (26.23%) Network Monitoring
10 15 (24.59%) CCNA
10 15 (24.59%) Avaya
11 14 (22.95%) PBX
11 14 (22.95%) Service Delivery
11 14 (22.95%) Network Security
12 13 (21.31%) Network Management
12 13 (21.31%) PSTN
12 13 (21.31%) CCNP
13 12 (19.67%) Microsoft
13 12 (19.67%) Broadband
13 12 (19.67%) MPLS
13 12 (19.67%) Security Cleared
13 12 (19.67%) Incident Management
14 11 (18.03%) H.323
14 11 (18.03%) Ethernet
15 9 (14.75%) Juniper
15 9 (14.75%) Project Management

ISDN
Co-occurring 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 6 (9.84%) Skype for Business
2 4 (6.56%) CMS
3 3 (4.92%) MS Exchange
4 2 (3.28%) Exchange Server 2013
4 2 (3.28%) IIS
4 2 (3.28%) SharePoint
4 2 (3.28%) SharePoint 2010
5 1 (1.64%) Blackberry Enterprise Server
Cloud Services
1 4 (6.56%) Office 365
2 2 (3.28%) Cloud Computing
Communications & Networking
1 27 (44.26%) WAN
2 22 (36.07%) VoIP
3 20 (32.79%) LAN
4 19 (31.15%) Firewall
4 19 (31.15%) TCP/IP
5 17 (27.87%) VPN
6 16 (26.23%) Wireless
7 14 (22.95%) Network Security
7 14 (22.95%) PBX
8 13 (21.31%) PSTN
9 12 (19.67%) Broadband
9 12 (19.67%) MPLS
10 11 (18.03%) Ethernet
10 11 (18.03%) H.323
11 9 (14.75%) Cisco Nexus
12 8 (13.11%) DHCP
12 8 (13.11%) OSPF
12 8 (13.11%) Skype
13 7 (11.48%) BGP
13 7 (11.48%) DNS
Database & Business Intelligence
1 2 (3.28%) SQL Server
1 2 (3.28%) SQL Server 2005
1 2 (3.28%) SQL Server 2008
1 2 (3.28%) SQL Server 2012
General
1 16 (26.23%) Finance
2 9 (14.75%) Telecoms
3 4 (6.56%) Banking
3 4 (6.56%) Investment Banking
4 3 (4.92%) Corporate Banking
5 1 (1.64%) Dutch Language
5 1 (1.64%) French Language
5 1 (1.64%) Military
Job Titles
1 15 (24.59%) Network Engineer
2 8 (13.11%) Cisco Engineer
3 7 (11.48%) Voice Engineer
4 6 (9.84%) Analyst
5 5 (8.20%) Cisco Voice Engineer
5 5 (8.20%) IT Manager
5 5 (8.20%) Mitel Engineer
5 5 (8.20%) Mitel Voice Engineer
5 5 (8.20%) Project Manager
5 5 (8.20%) Unified Communications Engineer
6 4 (6.56%) Consultant
6 4 (6.56%) Core Network Engineer
6 4 (6.56%) Operations Engineer
6 4 (6.56%) Service Manager
6 4 (6.56%) Support Analyst
6 4 (6.56%) Support Engineer
6 4 (6.56%) Telephony Support
7 3 (4.92%) IT Project Manager
7 3 (4.92%) Network Support
7 3 (4.92%) Telephony Analyst
Libraries, Frameworks & Software Standards
1 3 (4.92%) 802.1X
2 1 (1.64%) Web Services
2 1 (1.64%) XMPP
Miscellaneous
1 4 (6.56%) Self-Motivation
2 3 (4.92%) Analytical Skills
2 3 (4.92%) Data Centre
2 3 (4.92%) Video Conferencing
3 2 (3.28%) Computer Science
3 2 (3.28%) IVR
3 2 (3.28%) Smartphone
4 1 (1.64%) CCTV
4 1 (1.64%) Driving Licence
4 1 (1.64%) Handset
4 1 (1.64%) Management Information System
4 1 (1.64%) Virtual Team
Operating Systems
1 17 (27.87%) Windows
2 7 (11.48%) Unix
3 3 (4.92%) Windows 2000
3 3 (4.92%) Windows NT
3 3 (4.92%) Windows Server
4 2 (3.28%) Windows 10
4 2 (3.28%) Windows Server 2008
4 2 (3.28%) Windows Server 2012
4 2 (3.28%) Windows XP
5 1 (1.64%) Linux
5 1 (1.64%) Solaris
Processes & Methodologies
1 26 (42.62%) ITIL
2 16 (26.23%) Network Monitoring
3 14 (22.95%) Service Delivery
4 13 (21.31%) Network Management
5 12 (19.67%) Incident Management
6 9 (14.75%) Project Management
6 9 (14.75%) Service Management
7 8 (13.11%) Change Management
7 8 (13.11%) Network Design
8 6 (9.84%) Migration
9 5 (8.20%) Mentoring
10 4 (6.56%) Change Control
10 4 (6.56%) Problem Management
10 4 (6.56%) Ticket Management
11 3 (4.92%) Configuration Management
11 3 (4.92%) Demand Management
11 3 (4.92%) Disaster Recovery
11 3 (4.92%) Load Balancing
11 3 (4.92%) Problem-Solving
11 3 (4.92%) Root Cause Analysis
Programming Languages
1 4 (6.56%) Perl
1 4 (6.56%) Python
2 2 (3.28%) PowerShell
2 2 (3.28%) SQL
Qualifications
1 28 (45.90%) Cisco Certification
2 15 (24.59%) CCNA
3 13 (21.31%) CCNP
4 12 (19.67%) Security Cleared
5 7 (11.48%) DV Cleared
6 5 (8.20%) CCNP Voice
6 5 (8.20%) Degree
7 3 (4.92%) ITIL Certification
7 3 (4.92%) JNCIA
7 3 (4.92%) JNCIE
7 3 (4.92%) JNCIP
7 3 (4.92%) JNCIS
7 3 (4.92%) SC Cleared
8 2 (3.28%) Computer Science Degree
8 2 (3.28%) ISEB
8 2 (3.28%) ISTQB Foundation Certification
8 2 (3.28%) Microsoft Certification
9 1 (1.64%) CCDP
9 1 (1.64%) CCIE Wireless
9 1 (1.64%) CCSE
Quality Assurance & Compliance
1 6 (9.84%) SLA
2 1 (1.64%) Cyber Essentials
2 1 (1.64%) GDPR
2 1 (1.64%) ISO/IEC 27001
System Software
1 4 (6.56%) Active Directory
1 4 (6.56%) ProxySG
2 2 (3.28%) Virtual Machines
3 1 (1.64%) Firmware
3 1 (1.64%) Hyper-V
3 1 (1.64%) VMware Infrastructure
Systems Management
1 3 (4.92%) Cisco CUCM
2 1 (1.64%) Cisco IPCC
2 1 (1.64%) Cisco UCCX
2 1 (1.64%) Host Intrusion Detection System
2 1 (1.64%) Nagios
Vendors
1 34 (55.74%) Cisco
2 15 (24.59%) Avaya
3 12 (19.67%) Microsoft
4 9 (14.75%) Juniper
5 8 (13.11%) Mitel
6 7 (11.48%) Blue Coat
6 7 (11.48%) F5
7 5 (8.20%) Oracle
7 5 (8.20%) Polycom
7 5 (8.20%) Sonus
8 4 (6.56%) Bloomberg
8 4 (6.56%) CheckPoint
8 4 (6.56%) Huawei
8 4 (6.56%) NetScout
8 4 (6.56%) Reuters
8 4 (6.56%) SevOne
8 4 (6.56%) SolarWinds
8 4 (6.56%) VMware
9 3 (4.92%) Sun
9 3 (4.92%) Sybase