The table below looks at the statistics for ISDN skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited ISDN over the 3 months to 12 February 2016 with a comparison to the same period in the previous 2 years.

Location
3 months to
12 Feb 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 823 842 824
Rank change year-on-year
+19 -18
Permanent jobs citing ISDN 112 95 113
As % of all permanent IT jobs located in the UK 0.11% 0.089% 0.11%
As % of the Communications & Networking category 0.65% 0.49% 0.62%
Number of salaries quoted 92 86 78
Average salary £42,500 £42,500 £39,000
Average salary % change year-on-year
- +8.97%
90% offered a salary of more than £26,200 £30,000 £25,000
10% offered a salary of more than £55,000 £50,000 £53,250
UK excluding London average salary £37,000 £40,000 £35,000
% change year-on-year
-7.50% +14.28%

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

Communications & Networking Category
UK
Permanent IT job ads with a match in the
Communications & Networking category
17278 19320 18195
As % of all permanent IT jobs located in the UK 17.06% 18.15% 17.29%
Number of salaries quoted 14368 15676 14260
Average salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,500 £27,500 £26,500
10% offered a salary of more than £67,000 £62,500 £65,000
UK excluding London average salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

ISDN
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT jobs citing ISDN within the UK as a proportion of the total demand within the Communications & Networking category.

ISDN Jobs Demand Trend in the UK

ISDN
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN within the UK.

ISDN Salary Trend in the UK

ISDN
Salary Histogram

This chart provides a salary histogram for IT jobs citing ISDN over the 3 months to 12 February 2016 within the UK.

ISDN Salary Histogram in the UK

ISDN
Top 30 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing ISDN within the UK over the 3 months to 12 February 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +34 104 £45,000 +5.88% 11
London +25 49 £52,500 +10.52% 4
South East +8 20 £37,000 -14.94% 3
East of England +12 17 £31,500 +8.62% 2
Hertfordshire +17 16 £56,250 +112.26% 2
City of London +54 13 £55,000 +15.78%
Hampshire +26 6 £39,500 -12.22%
Surrey +12 6 £46,000 +8.23%
Yorkshire +12 6 £25,000 -23.07%
West Midlands -11 6 £36,000 +25.21%
Scotland - 6 £32,500 -
Basingstoke - 6 £39,500 -
North West +14 5 £20,000 -48.05% 1
Manchester +12 5 £20,000 -50.00% 1
Kent - 5 £37,000 - 1
North Yorkshire - 5 £25,000 -
Harrogate - 5 £25,000 -
Reading -1 4 £37,000 -14.94% 1
Berkshire -22 4 £37,000 -12.94% 1
Edinburgh - 4 - -
Rochdale - 4 £20,000 -
Warwickshire -15 3 £36,000 +30.90%
Guildford - 3 £50,000 -
Stevenage -3 2 £27,000 +2.85% 1
Reigate - 2 £46,000 -
Warwick - 2 £36,000 -
Buckinghamshire - 2 £29,750 -
Coventry - 2 £37,000 -
Glasgow - 2 £32,500 -
Leeds +2 1 £48,500 +49.23%

ISDN
Top 30 Related IT Skills

For the 6 months to 12 February 2016, IT jobs within the UK citing ISDN also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited ISDN.

1 126 (62.69%) Cisco
2 121 (60.20%) VoIP
3 80 (39.80%) ITIL
4 71 (35.32%) Firewall
5 70 (34.83%) Cisco Certification
6 63 (31.34%) Telecoms
7 61 (30.35%) WAN
8 60 (29.85%) PSTN
8 60 (29.85%) TCP/IP
9 58 (28.86%) LAN
10 57 (28.36%) VPN
11 49 (24.38%) MPLS
12 45 (22.39%) Finance
12 45 (22.39%) Video Conferencing
13 41 (20.40%) Windows
14 40 (19.90%) DNS
15 39 (19.40%) CCNP
16 33 (16.42%) Microsoft
17 32 (15.92%) Cisco IPT
17 32 (15.92%) Unified Communications
18 30 (14.93%) WebEx
18 30 (14.93%) PBX
18 30 (14.93%) Juniper
19 29 (14.43%) SLA
19 29 (14.43%) Analytical Skills
20 28 (13.93%) Data Centre
20 28 (13.93%) Internet
21 27 (13.43%) CCNA
22 26 (12.94%) Active Directory
22 26 (12.94%) ADSL

ISDN
Top Related IT Skills by Category

For the 6 months to 12 February 2016, IT jobs within the UK citing ISDN also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited ISDN. Up to 20 skills are shown per category.

Application Platforms
1 14 (6.97%) MS Exchange
2 13 (6.47%) Skype for Business
3 5 (2.49%) Office Communications Server
4 4 (1.99%) CMS
5 2 (1.00%) Exchange Server 2007
5 2 (1.00%) Exchange Server 2010
5 2 (1.00%) Exchange Server 2013
5 2 (1.00%) IIS
5 2 (1.00%) SharePoint
6 1 (0.50%) SharePoint Server
Applications
1 12 (5.97%) MS Excel
2 3 (1.49%) MS Office
Business Applications
1 1 (0.50%) SAP Oil and Gas
Cloud Services
1 14 (6.97%) Amazon AWS
2 6 (2.99%) GitHub
3 2 (1.00%) SaaS
Communications & Networking
1 121 (60.20%) VoIP
2 71 (35.32%) Firewall
3 61 (30.35%) WAN
4 60 (29.85%) PSTN
4 60 (29.85%) TCP/IP
5 58 (28.86%) LAN
6 57 (28.36%) VPN
7 49 (24.38%) MPLS
8 40 (19.90%) DNS
9 32 (15.92%) Cisco IPT
9 32 (15.92%) Unified Communications
10 30 (14.93%) PBX
10 30 (14.93%) WebEx
11 28 (13.93%) Internet
12 26 (12.94%) ADSL
13 25 (12.44%) DHCP
13 25 (12.44%) IPsec
14 24 (11.94%) ATM
15 23 (11.44%) IP Telephony
15 23 (11.44%) Wireless
Database & Business Intelligence
1 6 (2.99%) Amazon RDS
1 6 (2.99%) MySQL
2 3 (1.49%) SQL Server
3 2 (1.00%) SQL Server 2005
3 2 (1.00%) SQL Server 2008
3 2 (1.00%) SQL Server 2012
Development Applications
1 8 (3.98%) Git (software)
2 7 (3.48%) VSS/SourceSafe
General
1 63 (31.34%) Telecoms
2 45 (22.39%) Finance
3 26 (12.94%) Banking
4 6 (2.99%) Marketing
5 5 (2.49%) Manufacturing
6 4 (1.99%) Automotive
6 4 (1.99%) French Language
6 4 (1.99%) German Language
6 4 (1.99%) Italian Language
6 4 (1.99%) Japanese Language
6 4 (1.99%) Mandarin Language
6 4 (1.99%) Spanish Language
7 2 (1.00%) Retail
8 1 (0.50%) Back Office
8 1 (0.50%) Billing
8 1 (0.50%) Electronics
8 1 (0.50%) Law
8 1 (0.50%) Legal
8 1 (0.50%) Multimedia
Job Titles
1 77 (38.31%) Network Engineer
2 56 (27.86%) Support Engineer
3 44 (21.89%) Network Support
4 42 (20.90%) Network Support Engineer
5 39 (19.40%) Voice Engineer
6 31 (15.42%) Voice Support Engineer
7 30 (14.93%) Voice Network Engineer
8 20 (9.95%) Cisco Engineer
9 19 (9.45%) Analyst
9 19 (9.45%) Cisco Network Engineer
10 15 (7.46%) 2nd Line Support
10 15 (7.46%) Consultant
11 14 (6.97%) 1st/2nd Line Support
11 14 (6.97%) Architect
12 13 (6.47%) Infrastructure Engineer
12 13 (6.47%) IT Engineer
13 12 (5.97%) Technical Support
13 12 (5.97%) VoIP Engineer
14 11 (5.47%) Support Consultant
15 10 (4.98%) Support Analyst
Libraries, Frameworks & Software Standards
1 18 (8.96%) HTML
2 11 (5.47%) 802.1X
2 11 (5.47%) Web Services
3 7 (3.48%) RFC 2833
4 6 (2.99%) .NET
4 6 (2.99%) CSS
4 6 (2.99%) HTML5
4 6 (2.99%) Symfony
4 6 (2.99%) XHTML
5 4 (1.99%) JTAPI
5 4 (1.99%) TAPI
6 3 (1.49%) XMPP
7 2 (1.00%) Ajax
7 2 (1.00%) CCXML
7 2 (1.00%) FreeSWITCH
7 2 (1.00%) LAMP
7 2 (1.00%) Ruby on Rails
7 2 (1.00%) VXML
8 1 (0.50%) ASP.NET
Miscellaneous
1 45 (22.39%) Video Conferencing
2 29 (14.43%) Analytical Skills
3 28 (13.93%) Data Centre
4 13 (6.47%) Handset
4 13 (6.47%) PKI
5 12 (5.97%) e-Health
6 11 (5.47%) IVR
7 7 (3.48%) Management Information System
8 6 (2.99%) SecurID
9 5 (2.49%) PMI
10 3 (1.49%) Computer Science
10 3 (1.49%) Enterprise Software
10 3 (1.49%) Smartphone
11 2 (1.00%) Mathematics
12 1 (0.50%) Blackberry
12 1 (0.50%) Driving Licence
Operating Systems
1 41 (20.40%) Windows
2 12 (5.97%) Unix
3 9 (4.48%) Linux
4 5 (2.49%) Windows Server
5 4 (1.99%) Windows Server 2008
5 4 (1.99%) Windows XP
6 3 (1.49%) Windows 8
7 2 (1.00%) Android
7 2 (1.00%) Apple iOS
7 2 (1.00%) VMS
7 2 (1.00%) Windows Phone
8 1 (0.50%) Windows 2000
8 1 (0.50%) Windows 7
8 1 (0.50%) Windows NT
8 1 (0.50%) Windows Server 2003
8 1 (0.50%) Windows Vista
Processes & Methodologies
1 80 (39.80%) ITIL
2 21 (10.45%) Coaching
3 18 (8.96%) Network Design
4 17 (8.46%) Change Control
4 17 (8.46%) Project Management
5 15 (7.46%) Network Monitoring
6 14 (6.97%) Service Management
7 13 (6.47%) Capacity Planning
7 13 (6.47%) PRINCE2
8 10 (4.98%) Load Balancing
8 10 (4.98%) Service Delivery
9 9 (4.48%) CRM
9 9 (4.48%) Disaster Recovery
9 9 (4.48%) Information Security
10 8 (3.98%) Fault Analysis
11 7 (3.48%) Computer Security
11 7 (3.48%) Mentoring
11 7 (3.48%) Network Architecture
12 6 (2.99%) Continuous Improvement
12 6 (2.99%) OOP
Programming Languages
1 11 (5.47%) C
2 9 (4.48%) C#
3 7 (3.48%) Java
4 6 (2.99%) PHP
4 6 (2.99%) PHP 5
5 3 (1.49%) JavaScript
5 3 (1.49%) SQL
6 2 (1.00%) C++
6 2 (1.00%) Objective-C
6 2 (1.00%) PowerShell
6 2 (1.00%) Python
6 2 (1.00%) Ruby
7 1 (0.50%) VB
Qualifications
1 70 (34.83%) Cisco Certification
2 39 (19.40%) CCNP
3 27 (13.43%) CCNA
4 26 (12.94%) CCNP Voice
5 23 (11.44%) Security Cleared
6 22 (10.95%) Degree
7 21 (10.45%) SC Cleared
8 15 (7.46%) MCSE
8 15 (7.46%) Microsoft Certification
9 14 (6.97%) JNCIA
9 14 (6.97%) JNCIE
9 14 (6.97%) JNCIP
9 14 (6.97%) JNCIS
10 13 (6.47%) DV Cleared
11 12 (5.97%) CCIE
12 10 (4.98%) CCSA
13 8 (3.98%) VMware Certified Professional (VCP)
14 7 (3.48%) ITIL Certification
15 5 (2.49%) PMI Certification
15 5 (2.49%) PMP
Quality Assurance & Compliance
1 29 (14.43%) SLA
2 23 (11.44%) COBIT
3 9 (4.48%) PCI DSS
4 7 (3.48%) Sarbanes-Oxley
5 5 (2.49%) PA-DSS
System Software
1 26 (12.94%) Active Directory
2 19 (9.45%) VMware Infrastructure
3 6 (2.99%) vSphere
4 4 (1.99%) Firmware
5 2 (1.00%) Kamailio
5 2 (1.00%) VirtualBox
5 2 (1.00%) XenApp
6 1 (0.50%) Hyper-V
6 1 (0.50%) VMware ESXi
Systems Management
1 18 (8.96%) Cisco CUCM
2 13 (6.47%) Cisco UCCX
3 10 (4.98%) Nagios
4 7 (3.48%) Cisco UCCE
5 6 (2.99%) FortiGate
5 6 (2.99%) OpenView
6 2 (1.00%) CiscoWorks
6 2 (1.00%) SolarWinds Orion
7 1 (0.50%) DameWare
7 1 (0.50%) OSSEC
7 1 (0.50%) SCCM
7 1 (0.50%) Systems Management Server (SMS)
Vendors
1 126 (62.69%) Cisco
2 33 (16.42%) Microsoft
3 30 (14.93%) Juniper
4 26 (12.94%) Red Box
5 24 (11.94%) Avaya
6 20 (9.95%) VMware
7 16 (7.96%) HP
8 15 (7.46%) Polycom
9 13 (6.47%) BroadSoft
9 13 (6.47%) CheckPoint
10 12 (5.97%) F5
11 11 (5.47%) Blue Coat
11 11 (5.47%) Tandberg
12 10 (4.98%) BT
12 10 (4.98%) Genesys
12 10 (4.98%) Palo Alto
13 9 (4.48%) Mitel
14 7 (3.48%) IronPort
15 6 (2.99%) SolarWinds
16 5 (2.49%) Acme Packet
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Salary: £30000 - £35000 per annum + + Benefits
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Salary: Package
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