The table below looks at the statistics for ISDN skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited ISDN over the 3 months to 5 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
5 May 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 819 887 858
Rank change year-on-year
+68 -29
Permanent jobs citing ISDN 118 87 139
As % of all permanent IT jobs located in the UK 0.12% 0.079% 0.12%
As % of the Communications & Networking category 0.67% 0.43% 0.68%
Number of salaries quoted 74 70 125
Median salary £46,000 £39,000 £35,000
Median salary % change year-on-year
+17.94% +11.42%
90% offered a salary of more than £28,400 £28,000 £23,400
10% offered a salary of more than £67,500 £65,000 £55,000
UK excluding London median salary £37,500 £42,500 £35,000
% change year-on-year
-11.76% +21.42%

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
17671 20049 20487
As % of all permanent IT jobs located in the UK 17.23% 18.16% 17.14%
Number of salaries quoted 14669 15886 16267
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £26,500 £27,500 £26,750
10% offered a salary of more than £66,000 £62,500 £67,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

ISDN
Jobs Demand Trend

The demand trend of job ads citing ISDN as a proportion of all IT jobs with a match in 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 5 May 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 median salaries quoted in IT jobs citing ISDN within the UK over the 3 months to 5 May 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +67 117 £46,000 +8.23% 21
London +29 39 £55,000 +69.23% 3
South East +21 32 £46,000 -8.00% 8
East of England +33 30 £30,000 -10.44% 5
Hertfordshire +45 29 £28,750 -0.86% 3
Berkshire +12 16 £57,500 +15.00% 5
Reading +20 13 £57,500 +12.19% 2
City of London +53 12 £56,250 +18.42% 1
East Midlands - 9 £29,000 -
Surrey 0 8 £46,000 -29.23%
Stevenage +1 6 £29,750 +2.58% 1
Derby - 6 £29,000 -
Derbyshire - 6 £29,000 -
South West +1 5 £67,500 +45.94% 2
Dorset - 3 £67,500 -
Kent - 3 £37,000 -
Bournemouth - 3 £67,500 -
Bristol +4 2 £37,500 -25.00% 2
West Sussex -3 2 £51,250 +25.00%
Guildford -8 2 £47,500 -26.92%
Redhill - 2 £46,000 -
Bracknell - 2 - -
Northamptonshire - 2 £36,500 -
Milton Keynes +16 1 £25,000 -5.66% 1
Buckinghamshire +15 1 £25,000 -5.66% 1
Hampshire +9 1 £50,000 +17.64% 2
North West +7 1 £47,500 +46.15% 2
Manchester +1 1 £47,500 +46.15%
Crawley -1 1 £50,000 -
Gatwick - 1 £52,500 -

ISDN
Top 30 Related IT Skills

For the 6 months to 5 May 2016, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for ISDN.

1 171 (73.39%) Cisco
2 121 (51.93%) Firewall
2 121 (51.93%) Cisco Certification
3 109 (46.78%) ITIL
4 94 (40.34%) VPN
4 94 (40.34%) VoIP
5 91 (39.06%) WAN
5 91 (39.06%) LAN
6 87 (37.34%) TCP/IP
7 78 (33.48%) Juniper
8 66 (28.33%) Wireless
9 63 (27.04%) PSTN
10 62 (26.61%) CCNA
11 58 (24.89%) MPLS
12 53 (22.75%) CCNP
12 53 (22.75%) Network Security
13 51 (21.89%) Security Cleared
14 50 (21.46%) Network Monitoring
14 50 (21.46%) Broadband
15 49 (21.03%) Network Design
16 46 (19.74%) Telecoms
16 46 (19.74%) Windows
17 45 (19.31%) SC Cleared
18 40 (17.17%) Finance
18 40 (17.17%) IPsec
19 39 (16.74%) DV Cleared
20 36 (15.45%) Video Conferencing
20 36 (15.45%) Data Centre
20 36 (15.45%) JNCIA
20 36 (15.45%) JNCIS

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 7 (3.00%) Skype for Business
2 6 (2.58%) CMS
3 5 (2.15%) MS Exchange
4 4 (1.72%) IIS
5 3 (1.29%) Exchange Server 2010
5 3 (1.29%) SharePoint
6 2 (0.86%) Exchange Server 2007
6 2 (0.86%) Exchange Server 2013
7 1 (0.43%) Office Communications Server
7 1 (0.43%) SharePoint Server
Applications
1 6 (2.58%) MS Excel
2 5 (2.15%) MS Office
3 1 (0.43%) MS PowerPoint
Business Applications
1 2 (0.86%) SAP Oil and Gas
2 1 (0.43%) Dynamics CRM
Cloud Services
1 2 (0.86%) Amazon AWS
1 2 (0.86%) GitHub
1 2 (0.86%) SaaS
2 1 (0.43%) Office 365
Communications & Networking
1 121 (51.93%) Firewall
2 94 (40.34%) VoIP
2 94 (40.34%) VPN
3 91 (39.06%) LAN
3 91 (39.06%) WAN
4 87 (37.34%) TCP/IP
5 66 (28.33%) Wireless
6 63 (27.04%) PSTN
7 58 (24.89%) MPLS
8 53 (22.75%) Network Security
9 50 (21.46%) Broadband
10 40 (17.17%) IPsec
11 35 (15.02%) DSL
12 34 (14.59%) ATM
12 34 (14.59%) BGP
12 34 (14.59%) OSPF
13 33 (14.16%) Unified Communications
14 31 (13.30%) Cisco Nexus
14 31 (13.30%) DNS
14 31 (13.30%) IP Telephony
Database & Business Intelligence
1 5 (2.15%) SQL Server
2 3 (1.29%) SQL Server 2008
3 2 (0.86%) Amazon RDS
3 2 (0.86%) MySQL
3 2 (0.86%) SQL Server 2005
3 2 (0.86%) SQL Server 2012
Development Applications
1 6 (2.58%) VSS/SourceSafe
2 4 (1.72%) Git (software)
General
1 46 (19.74%) Telecoms
2 40 (17.17%) Finance
3 25 (10.73%) Banking
4 6 (2.58%) Manufacturing
5 4 (1.72%) Automotive
5 4 (1.72%) Marketing
6 3 (1.29%) Electronics
7 2 (0.86%) Retail
8 1 (0.43%) Advertising
8 1 (0.43%) Back Office
8 1 (0.43%) Billing
8 1 (0.43%) German Language
8 1 (0.43%) Investment Banking
8 1 (0.43%) Law
8 1 (0.43%) Multimedia
Job Titles
1 137 (58.80%) Network Engineer
2 69 (29.61%) Support Engineer
3 64 (27.47%) Network Support
4 59 (25.32%) Network Support Engineer
5 52 (22.32%) Cisco Engineer
5 52 (22.32%) Cisco Network Engineer
6 36 (15.45%) Voice Engineer
7 33 (14.16%) Juniper Engineer
8 29 (12.45%) Voice Support Engineer
9 23 (9.87%) Voice Network Engineer
10 21 (9.01%) Cisco Support
10 21 (9.01%) Juniper Support
11 20 (8.58%) Cisco Network Support Engineer
12 19 (8.15%) Analyst
13 18 (7.73%) Cisco Support Engineer
14 14 (6.01%) Core Network Engineer
15 13 (5.58%) SC Cleared Network Engineer
16 12 (5.15%) DV Cleared Network Engineer
16 12 (5.15%) Technical Support
16 12 (5.15%) Unified Communications Engineer
Libraries, Frameworks & Software Standards
1 10 (4.29%) 802.1X
2 9 (3.86%) XMPP
3 7 (3.00%) HTML
3 7 (3.00%) RFC 2833
4 3 (1.29%) .NET
5 2 (0.86%) CSS
5 2 (0.86%) FreeSWITCH
5 2 (0.86%) HTML5
5 2 (0.86%) JTAPI
5 2 (0.86%) LAMP
5 2 (0.86%) Ruby on Rails
5 2 (0.86%) Symfony
5 2 (0.86%) TAPI
5 2 (0.86%) Web Services
5 2 (0.86%) XHTML
6 1 (0.43%) CCXML
6 1 (0.43%) VXML
Miscellaneous
1 36 (15.45%) Data Centre
1 36 (15.45%) Video Conferencing
2 33 (14.16%) e-Health
3 19 (8.15%) Handset
4 18 (7.73%) Analytical Skills
5 17 (7.30%) PKI
6 12 (5.15%) Management Information System
7 9 (3.86%) IVR
8 5 (2.15%) Enterprise Software
9 4 (1.72%) Computer Science
9 4 (1.72%) Driving Licence
9 4 (1.72%) Mathematics
9 4 (1.72%) RSA SecurID
10 2 (0.86%) Smartphone
11 1 (0.43%) FMCG
Operating Systems
1 46 (19.74%) Windows
2 30 (12.88%) Unix
3 17 (7.30%) Windows NT
4 16 (6.87%) Linux
5 14 (6.01%) Windows 2000
6 6 (2.58%) Windows Server
7 5 (2.15%) Windows Server 2008
8 3 (1.29%) Apple iOS
8 3 (1.29%) Windows 8
9 2 (0.86%) Android
9 2 (0.86%) VMS
9 2 (0.86%) Windows Phone
9 2 (0.86%) Windows Server 2003
9 2 (0.86%) Windows XP
10 1 (0.43%) Mac OS X
10 1 (0.43%) Red Hat Enterprise Linux
10 1 (0.43%) Windows 7
Processes & Methodologies
1 109 (46.78%) ITIL
2 50 (21.46%) Network Monitoring
3 49 (21.03%) Network Design
4 30 (12.88%) Coaching
5 20 (8.58%) Change Control
6 19 (8.15%) Mentoring
7 16 (6.87%) Presales
8 15 (6.44%) Load Balancing
9 14 (6.01%) Service Management
10 13 (5.58%) Service Delivery
11 12 (5.15%) Capacity Planning
12 10 (4.29%) WAN Optimisation
13 9 (3.86%) Continuous Improvement
13 9 (3.86%) Network Management
14 8 (3.43%) CRM
14 8 (3.43%) Cybersecurity
14 8 (3.43%) Information Security
14 8 (3.43%) Operations Management
15 7 (3.00%) Change Management
15 7 (3.00%) Root Cause Analysis
Programming Languages
1 5 (2.15%) C
1 5 (2.15%) Java
2 4 (1.72%) C#
2 4 (1.72%) SQL
3 2 (0.86%) C++
3 2 (0.86%) Objective-C
3 2 (0.86%) PHP
3 2 (0.86%) PHP 5
3 2 (0.86%) PowerShell
3 2 (0.86%) Python
3 2 (0.86%) Ruby
Qualifications
1 121 (51.93%) Cisco Certification
2 62 (26.61%) CCNA
3 53 (22.75%) CCNP
4 51 (21.89%) Security Cleared
5 45 (19.31%) SC Cleared
6 39 (16.74%) DV Cleared
7 36 (15.45%) JNCIA
7 36 (15.45%) JNCIE
7 36 (15.45%) JNCIP
7 36 (15.45%) JNCIS
8 30 (12.88%) CCNP Voice
9 25 (10.73%) Degree
10 18 (7.73%) CCIE
11 10 (4.29%) CCSA
12 9 (3.86%) CISSP
13 6 (2.58%) SSCP
14 5 (2.15%) MCSE
14 5 (2.15%) Microsoft Certification
15 3 (1.29%) Avaya Certification
15 3 (1.29%) ITIL Certification
Quality Assurance & Compliance
1 27 (11.59%) SLA
2 21 (9.01%) COBIT
3 6 (2.58%) Sarbanes-Oxley
4 5 (2.15%) PCI DSS
5 4 (1.72%) PA-DSS
System Software
1 14 (6.01%) Active Directory
2 10 (4.29%) VMware Infrastructure
3 6 (2.58%) Firmware
4 4 (1.72%) Terminal Services
4 4 (1.72%) vSphere
5 3 (1.29%) VMware ESX
6 2 (0.86%) Hyper-V
6 2 (0.86%) Kamailio
6 2 (0.86%) KVM
6 2 (0.86%) VMware ESXi
6 2 (0.86%) XenApp
6 2 (0.86%) XenServer
7 1 (0.43%) VirtualBox
Systems Management
1 32 (13.73%) Cisco CUCM
2 21 (9.01%) Cisco UCCX
3 16 (6.87%) Nagios
4 10 (4.29%) FortiGate
5 8 (3.43%) CiscoWorks
5 8 (3.43%) SolarWinds Orion
6 6 (2.58%) Cisco UCCE
7 4 (1.72%) OpenView
8 3 (1.29%) TrustSec
9 2 (0.86%) Norton AntiVirus
9 2 (0.86%) SCCM
10 1 (0.43%) OSSEC
Vendors
1 171 (73.39%) Cisco
2 78 (33.48%) Juniper
3 29 (12.45%) Microsoft
4 23 (9.87%) Red Box
5 22 (9.44%) Avaya
5 22 (9.44%) F5
6 19 (8.15%) CheckPoint
7 18 (7.73%) HP
8 17 (7.30%) Palo Alto
8 17 (7.30%) VMware
9 14 (6.01%) Polycom
9 14 (6.01%) Sybase
10 12 (5.15%) BroadSoft
11 11 (4.72%) Blue Coat
11 11 (4.72%) IronPort
12 9 (3.86%) Acme Packet
12 9 (3.86%) SolarWinds
13 8 (3.43%) Barracuda Networks
13 8 (3.43%) Huawei
14 7 (3.00%) Sourcefire
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