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 29 August 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
29 Aug 2014
Same period 2013 Same period 2012
Integrated Service Digital Network (ISDN)
Rank 746 748 751
Rank change year-on-year
+2 +3
Permanent jobs citing ISDN 153 125 138
As % of all permanent IT jobs located in the UK 0.13% 0.12% 0.12%
As % of the Communications & Networking category 0.73% 0.67% 0.64%
Number of salaries quoted 124 100 97
Average salary £37,500 £38,500 £37,250
Average salary % change year-on-year
-2.59% +3.35%
90% offered a salary of more than £27,500 £27,500 £26,500
10% offered a salary of more than £50,000 £55,000 £54,250
UK excluding London average salary £36,750 £37,500 £38,500
% change year-on-year
-2.00% -2.59%

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
20844 18712 21570
As % of all permanent IT jobs located in the UK 17.91% 17.59% 18.46%
Number of salaries quoted 16538 15112 17643
Average salary £44,500 £44,000 £42,500
Average salary % change year-on-year
+1.13% +3.52%
90% offered a salary of more than £26,500 £27,500 £27,500
10% offered a salary of more than £65,000 £62,500 £65,000
UK excluding London average salary £40,000 £40,000 £40,000

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 29 August 2014 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 29 August 2014. 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 -10 147 £37,500 -3.22% 18
South East +3 65 £37,500 - 6
Hampshire +20 40 £39,500 +43.63%
London +10 38 £43,500 -20.90% 2
Basingstoke +27 34 £39,000 +41.81%
West Midlands -13 12 £27,850 -25.73% 1
East of England -10 11 £38,000 +1.33% 1
Berkshire -12 10 £28,250 -24.66% 2
Hertfordshire -15 10 £38,000 +1.33%
City of London -2 8 £44,500 -11.00% 1
Buckinghamshire -7 6 - -
Milton Keynes -12 6 - -
North West -16 6 £42,500 +123.68% 4
South West -23 6 £31,000 -22.50% 4
Watford - 6 - -
Warwickshire +13 5 £27,850 -25.73%
Birmingham +5 5 £29,000 -21.08% 1
Bristol -9 5 £32,000 -20.00% 4
West Yorkshire -35 5 £50,000 +53.84%
Yorkshire -47 5 £50,000 +25.00%
Nuneaton - 5 £27,850 -
Leeds -26 4 £50,000 +53.84%
Cumbria - 4 £42,500 -
Surrey -5 3 £36,500 -25.88% 3
Hemel Hempstead -12 3 £40,000 -11.11%
Reading -18 3 £52,500 +40.00%
Whitehaven - 3 £42,500 -
Windsor - 3 £29,000 - 2
Southampton - 3 £38,750 -
West Sussex - 3 £29,000 - 1

ISDN
Top 30 Related IT Skills

For the 6 months to 29 August 2014, 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.

1 139 (51.10%) Telecoms
2 132 (48.53%) Cisco
3 100 (36.76%) VoIP
4 89 (32.72%) Cisco Certification
5 77 (28.31%) Firewall
6 70 (25.74%) MPLS
7 68 (25.00%) CCNA
7 68 (25.00%) Windows
8 67 (24.63%) VPN
9 64 (23.53%) Security Cleared
10 59 (21.69%) Linux
11 56 (20.59%) LAN
12 54 (19.85%) SC Cleared
12 54 (19.85%) Lync
13 52 (19.12%) WAN
14 47 (17.28%) Sonus
15 45 (16.54%) TCP/IP
15 45 (16.54%) Active Directory
16 44 (16.18%) Ericsson
17 43 (15.81%) Microsoft
18 41 (15.07%) CCNP
19 40 (14.71%) DNS
20 39 (14.34%) Avaya
21 38 (13.97%) VMware
22 37 (13.60%) Softswitch
23 36 (13.24%) ITIL
24 34 (12.50%) PBX
24 34 (12.50%) Mitel
25 33 (12.13%) Windows Server 2008
26 32 (11.76%) VLAN

ISDN
Top Related IT Skills by Category

For the 6 months to 29 August 2014, 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 54 (19.85%) Lync
2 29 (10.66%) MS Exchange
3 17 (6.25%) IIS
4 13 (4.78%) Exchange Server 2010
5 7 (2.57%) Exchange Server 2007
6 6 (2.21%) SharePoint
7 4 (1.47%) Apache
7 4 (1.47%) Exchange Server 2003
8 3 (1.10%) WebSphere
8 3 (1.10%) SharePoint 2013
9 2 (0.74%) Exchange Server 2013
9 2 (0.74%) nginx
9 2 (0.74%) Confluence
9 2 (0.74%) CMS
9 2 (0.74%) Tomcat
10 1 (0.37%) Lotus Domino
10 1 (0.37%) SharePoint Server
Applications
1 22 (8.09%) MS Office
2 21 (7.72%) MS Excel
3 3 (1.10%) MS Visio
Business Applications
1 4 (1.47%) Dynamics GP
2 2 (0.74%) Dynamics CRM
Cloud Services
1 6 (2.21%) PaaS
Communications & Networking
1 100 (36.76%) VoIP
2 77 (28.31%) Firewall
3 70 (25.74%) MPLS
4 67 (24.63%) VPN
5 56 (20.59%) LAN
6 52 (19.12%) WAN
7 45 (16.54%) TCP/IP
8 40 (14.71%) DNS
9 37 (13.60%) Softswitch
10 34 (12.50%) PBX
11 32 (11.76%) VLAN
12 31 (11.40%) DPNSS
13 29 (10.66%) MD110
13 29 (10.66%) ATM
13 29 (10.66%) SDH
14 28 (10.29%) ADSL
15 27 (9.93%) H.323
16 26 (9.56%) IPsec
17 24 (8.82%) OSPF
17 24 (8.82%) BGP
Database & Business Intelligence
1 21 (7.72%) SQL Server
2 12 (4.41%) MySQL
3 8 (2.94%) Big Data
4 4 (1.47%) SQL Server 2012
4 4 (1.47%) SQL Server 2008
5 2 (0.74%) MongoDB
Development Applications
1 4 (1.47%) Git (software)
2 2 (0.74%) Jenkins
General
1 139 (51.10%) Telecoms
2 25 (9.19%) Finance
3 13 (4.78%) Marketing
4 10 (3.68%) Back Office
5 9 (3.31%) Billing
6 8 (2.94%) Retail
6 8 (2.94%) Multimedia
7 6 (2.21%) Manufacturing
8 1 (0.37%) Legal
Job Titles
1 81 (29.78%) Network Engineer
2 41 (15.07%) Voice Engineer
3 40 (14.71%) Support Engineer
4 28 (10.29%) Voice Network Engineer
5 16 (5.88%) Technical Support
6 15 (5.51%) Administrator
6 15 (5.51%) Systems Administrator
6 15 (5.51%) Technical Engineer
7 14 (5.15%) NOC Engineer
7 14 (5.15%) Analyst
8 12 (4.41%) 3rd Line Support
8 12 (4.41%) Senior Voice Engineer
9 10 (3.68%) Coordinator
9 10 (3.68%) Technical Support Engineer
10 9 (3.31%) Network Support Engineer
10 9 (3.31%) Senior Network Engineer
10 9 (3.31%) Network Support
10 9 (3.31%) Service Delivery Coordinator
11 8 (2.94%) Windows Systems Administrator
11 8 (2.94%) Windows Administrator
Libraries, Frameworks & Software Standards
1 16 (5.88%) XML
2 10 (3.68%) HTML
3 6 (2.21%) Web Services
4 5 (1.84%) SOAP
5 4 (1.47%) EDI
5 4 (1.47%) EDIFACT
6 2 (0.74%) VXML
6 2 (0.74%) COM
6 2 (0.74%) EJB
6 2 (0.74%) JTAPI
6 2 (0.74%) Java EE
6 2 (0.74%) EJB 3.0
6 2 (0.74%) TAPI
6 2 (0.74%) CCXML
7 1 (0.37%) LAMP
Miscellaneous
1 23 (8.46%) Video Conferencing
2 20 (7.35%) IVR
3 14 (5.15%) Clustering
4 9 (3.31%) Hedge funds
5 8 (2.94%) Computer Science
6 7 (2.57%) Smartphone
6 7 (2.57%) Mathematics
7 6 (2.21%) PKI
8 5 (1.84%) Streaming Media
8 5 (1.84%) Streaming Video
8 5 (1.84%) Replication
9 4 (1.47%) SecurID
10 3 (1.10%) Client/Server
10 3 (1.10%) Mainframe
10 3 (1.10%) Management Information System
10 3 (1.10%) iPhone
11 2 (0.74%) Mobile App
12 1 (0.37%) Enterprise Software
12 1 (0.37%) Physics
12 1 (0.37%) Blackberry
Operating Systems
1 68 (25.00%) Windows
2 59 (21.69%) Linux
3 33 (12.13%) Windows Server 2008
4 21 (7.72%) Windows 7
5 16 (5.88%) Windows Server 2012
6 15 (5.51%) UNIX
6 15 (5.51%) Windows Server 2003
7 13 (4.78%) Windows 8
8 8 (2.94%) Red Hat Enterprise Linux
9 6 (2.21%) Windows XP
10 5 (1.84%) Windows Vista
11 4 (1.47%) Android
11 4 (1.47%) Windows 2000
11 4 (1.47%) Windows NT
11 4 (1.47%) Solaris
11 4 (1.47%) Windows Phone
11 4 (1.47%) Apple iOS
12 3 (1.10%) CentOS
Processes & Methodologies
1 36 (13.24%) ITIL
2 28 (10.29%) Incident Management
3 27 (9.93%) Service Management
4 26 (9.56%) Project Management
5 21 (7.72%) Service Delivery
6 17 (6.25%) Load Balancing
7 16 (5.88%) Network Management
7 16 (5.88%) Root Cause Analysis
8 15 (5.51%) CRM
9 12 (4.41%) Change Management
10 11 (4.04%) Network Design
10 11 (4.04%) Network Monitoring
11 9 (3.31%) Product Management
11 9 (3.31%) Validation
12 8 (2.94%) E-Commerce
12 8 (2.94%) DNA
12 8 (2.94%) High Availability
13 7 (2.57%) Time Management
14 6 (2.21%) Data Analysis
14 6 (2.21%) ITIL V3
Programming Languages
1 10 (3.68%) C
2 7 (2.57%) PowerShell
3 6 (2.21%) C++
3 6 (2.21%) Java
4 5 (1.84%) Python
5 4 (1.47%) C#
5 4 (1.47%) ActionScript 2.0
5 4 (1.47%) Bash Shell
5 4 (1.47%) Objective-C
5 4 (1.47%) ActionScript
6 3 (1.10%) Perl
6 3 (1.10%) SQL
7 2 (0.74%) AWK
7 2 (0.74%) Ruby
8 1 (0.37%) Shell Script
Qualifications
1 89 (32.72%) Cisco Certification
2 68 (25.00%) CCNA
3 64 (23.53%) Security Cleared
4 54 (19.85%) SC Cleared
5 41 (15.07%) CCNP
6 26 (9.56%) Degree
7 14 (5.15%) Microsoft Certification
8 10 (3.68%) CCIE
9 6 (2.21%) JNCIA
10 5 (1.84%) MCSE
10 5 (1.84%) MCSA
11 4 (1.47%) CCSP
11 4 (1.47%) ITIL Certification
11 4 (1.47%) ITIL Foundation Certificate
12 3 (1.10%) Avaya Certification
12 3 (1.10%) MCP
13 2 (0.74%) CCVP
13 2 (0.74%) CCDP
14 1 (0.37%) CCIP
14 1 (0.37%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 16 (5.88%) SLA
2 7 (2.57%) ISO/IEC 27001
3 1 (0.37%) ISO 9001
3 1 (0.37%) ISO 14001
System Software
1 45 (16.54%) Active Directory
2 26 (9.56%) VMware Infrastructure
3 14 (5.15%) VMware ESX
4 12 (4.41%) Terminal Services
5 8 (2.94%) VMware ESXi
6 7 (2.57%) Hyper-V
7 6 (2.21%) Kamailio
8 4 (1.47%) ISA Server
9 2 (0.74%) vSphere
10 1 (0.37%) XenApp
Systems Management
1 10 (3.68%) logstash
2 9 (3.31%) CiscoWorks
3 8 (2.94%) Nagios
4 7 (2.57%) Netcool
5 5 (1.84%) Cisco CUCM
6 3 (1.10%) OpenView
6 3 (1.10%) Backup Exec
6 3 (1.10%) HP NNM
6 3 (1.10%) SCOM
6 3 (1.10%) SolarWinds Orion
7 2 (0.74%) Cisco UCCE
7 2 (0.74%) Opscode Chef
8 1 (0.37%) NetBackup
Vendors
1 132 (48.53%) Cisco
2 47 (17.28%) Sonus
3 44 (16.18%) Ericsson
4 43 (15.81%) Microsoft
5 39 (14.34%) Avaya
6 38 (13.97%) VMware
7 34 (12.50%) Mitel
8 32 (11.76%) Juniper
9 29 (10.66%) Aastra
10 24 (8.82%) Siemens
11 23 (8.46%) CheckPoint
12 15 (5.51%) Nortel
13 14 (5.15%) SolarWinds
14 12 (4.41%) HP
15 9 (3.31%) Nokia
15 9 (3.31%) BT
15 9 (3.31%) Acme Packet
16 8 (2.94%) F5
16 8 (2.94%) Citrix
17 7 (2.57%) Polycom
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