The first table below looks at the demand 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 1 August 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Communications & Networking category.

Location
3 months to
1 Aug 2014
Same period 2013 Same period 2012
Integrated Service Digital Network (ISDN)
Rank 746 724 721
Rank change year-on-year
-22 -3
Permanent jobs citing ISDN 135 146 174
As % of all permanent IT jobs located in the UK 0.12% 0.13% 0.15%
As % of the Communications & Networking category 0.66% 0.74% 0.82%
Number of salaries quoted 111 126 123
Average salary £37,500 £38,500 £32,500
Average salary % change year-on-year
-2.59% +18.46%
90% offered a salary of more than £25,000 £27,450 £26,225
10% offered a salary of more than £50,000 £55,000 £50,000
UK excluding London average salary £36,500 £37,500 £35,000
% change year-on-year
-2.66% +7.14%
Communications & Networking Category
UK
Permanent IT job ads with a match in the
Communications & Networking category
20468 19663 21122
As % of all permanent IT jobs located in the UK 17.58% 18.14% 17.98%
Number of salaries quoted 16386 15794 17412
Average salary £44,000 £43,500 £42,500
Average salary % change year-on-year
+1.14% +2.35%
90% offered a salary of more than £27,000 £27,500 £27,500
10% offered a salary of more than £65,000 £65,000 £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 1 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 1 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 -71 128 £37,500 -2.59% 10
South East -3 62 £37,500 - 1
Hampshire +34 43 £39,750 +59.00%
Basingstoke +37 37 £38,500 +54.00%
London -18 36 £41,000 -25.45% 4
East of England -13 10 £38,000 +1.33% 2
Hertfordshire -15 9 £38,000 +1.33%
West Midlands -2 8 £28,425 -24.20% 1
City of London -5 7 £40,000 -5.88% 2
South West -22 7 £30,000 -25.00%
Buckinghamshire -18 6 £24,500 -34.66% 1
Bristol -6 5 £41,500 +3.75%
Milton Keynes -8 5 £21,500 -42.66%
Watford - 5 - -
Birmingham +15 4 £29,000 -42.00%
Berkshire -20 4 £37,500 -
Warwickshire +5 3 £27,850 -25.73% 1
Wales -6 3 £37,500 +41.50%
Surrey -8 3 £36,500 -2.66%
Hemel Hempstead -8 3 £40,000 -11.11%
Nuneaton - 3 £27,850 - 1
Southampton - 3 £38,750 -
West Sussex - 3 £29,000 -
South Wales - 3 £37,500 -
North West -4 2 £25,750 +35.52% 1
Reading -25 2 £47,500 +26.66%
Crawley - 2 £29,000 -
Cardiff - 2 £33,250 -
Stevenage +3 1 £36,000 -
Worcestershire +1 1 £30,000 -25.00%

ISDN
Top 30 Related IT Skills

For the 6 months to 1 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.

1 148 (53.82%) Telecoms
2 140 (50.91%) Cisco
3 109 (39.64%) VoIP
4 82 (29.82%) Cisco Certification
5 73 (26.55%) Firewall
6 71 (25.82%) MPLS
7 67 (24.36%) Security Cleared
8 65 (23.64%) VPN
9 62 (22.55%) Linux
10 61 (22.18%) Windows
11 59 (21.45%) LAN
12 56 (20.36%) Lync
13 54 (19.64%) WAN
14 53 (19.27%) SC Cleared
15 52 (18.91%) CCNA
16 45 (16.36%) TCP/IP
17 42 (15.27%) Sonus
18 41 (14.91%) CCNP
18 41 (14.91%) Ericsson
19 40 (14.55%) Avaya
19 40 (14.55%) Softswitch
20 39 (14.18%) Microsoft
20 39 (14.18%) PBX
21 38 (13.82%) DNS
21 38 (13.82%) Mitel
22 37 (13.45%) Active Directory
23 32 (11.64%) ATM
23 32 (11.64%) Degree
24 30 (10.91%) ITIL
24 30 (10.91%) Juniper

ISDN
Top Related IT Skills by Category

For the 6 months to 1 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 56 (20.36%) Lync
2 18 (6.55%) MS Exchange
3 12 (4.36%) IIS
4 7 (2.55%) Exchange Server 2010
5 6 (2.18%) Exchange Server 2007
6 4 (1.45%) WebSphere
7 3 (1.09%) Exchange Server 2003
7 3 (1.09%) SharePoint 2013
7 3 (1.09%) SharePoint
8 2 (0.73%) Apache
8 2 (0.73%) Tomcat
8 2 (0.73%) CMS
9 1 (0.36%) Exchange Server 2013
9 1 (0.36%) IBM Notes
9 1 (0.36%) Lotus Domino
Applications
1 22 (8.00%) MS Excel
1 22 (8.00%) MS Office
2 3 (1.09%) MS Visio
3 1 (0.36%) MS Project
Business Applications
1 3 (1.09%) Dynamics GP
Cloud Services
1 5 (1.82%) PaaS
2 1 (0.36%) Office 365
Communications & Networking
1 109 (39.64%) VoIP
2 73 (26.55%) Firewall
3 71 (25.82%) MPLS
4 65 (23.64%) VPN
5 59 (21.45%) LAN
6 54 (19.64%) WAN
7 45 (16.36%) TCP/IP
8 40 (14.55%) Softswitch
9 39 (14.18%) PBX
10 38 (13.82%) DNS
11 32 (11.64%) ATM
12 28 (10.18%) VLAN
13 27 (9.82%) Wireless
14 26 (9.45%) DPNSS
15 25 (9.09%) OSPF
15 25 (9.09%) BGP
15 25 (9.09%) IPsec
15 25 (9.09%) Ethernet
16 24 (8.73%) SDH
16 24 (8.73%) ADSL
Database & Business Intelligence
1 16 (5.82%) SQL Server
2 10 (3.64%) MySQL
3 8 (2.91%) Big Data
4 3 (1.09%) SQL Server 2008
4 3 (1.09%) SQL Server 2012
Development Applications
1 4 (1.45%) Git (software)
2 3 (1.09%) Subversion
General
1 148 (53.82%) Telecoms
2 27 (9.82%) Finance
3 13 (4.73%) Marketing
4 10 (3.64%) Back Office
4 10 (3.64%) Multimedia
5 8 (2.91%) Billing
5 8 (2.91%) Retail
6 5 (1.82%) Manufacturing
7 3 (1.09%) Games
8 1 (0.36%) Legal
Job Titles
1 86 (31.27%) Network Engineer
2 53 (19.27%) Voice Engineer
3 36 (13.09%) Voice Network Engineer
4 35 (12.73%) Support Engineer
5 13 (4.73%) Technical Support
5 13 (4.73%) Analyst
6 12 (4.36%) Systems Administrator
6 12 (4.36%) Administrator
6 12 (4.36%) Technical Engineer
6 12 (4.36%) NOC Engineer
6 12 (4.36%) Senior Voice Engineer
7 11 (4.00%) Senior Network Engineer
7 11 (4.00%) Coordinator
8 10 (3.64%) Video Conferencing Engineer
9 8 (2.91%) 3rd Line Support
9 8 (2.91%) Network Support
9 8 (2.91%) Technical Support Engineer
9 8 (2.91%) Network Support Engineer
9 8 (2.91%) Service Delivery Coordinator
9 8 (2.91%) Windows Administrator
Libraries, Frameworks & Software Standards
1 14 (5.09%) XML
2 8 (2.91%) HTML
3 6 (2.18%) SOAP
3 6 (2.18%) Web Services
4 4 (1.45%) EDI
4 4 (1.45%) EDIFACT
5 2 (0.73%) COM
5 2 (0.73%) EJB
5 2 (0.73%) JTAPI
5 2 (0.73%) VXML
5 2 (0.73%) CCXML
5 2 (0.73%) TAPI
5 2 (0.73%) EJB 3.0
5 2 (0.73%) Java EE
6 1 (0.36%) LAMP
Miscellaneous
1 22 (8.00%) Video Conferencing
2 15 (5.45%) IVR
3 14 (5.09%) Clustering
4 9 (3.27%) Hedge funds
5 8 (2.91%) Computer Science
6 7 (2.55%) Smartphone
7 6 (2.18%) Mathematics
7 6 (2.18%) SecurID
7 6 (2.18%) PKI
8 5 (1.82%) Client/Server
9 4 (1.45%) Streaming Video
9 4 (1.45%) Streaming Media
10 3 (1.09%) iPhone
10 3 (1.09%) Mainframe
11 2 (0.73%) Firmware
11 2 (0.73%) Enterprise Software
12 1 (0.36%) DTV
12 1 (0.36%) Management Information System
12 1 (0.36%) AVVID
12 1 (0.36%) NHS
Operating Systems
1 62 (22.55%) Linux
2 61 (22.18%) Windows
3 26 (9.45%) Windows Server 2008
4 20 (7.27%) Windows 7
5 15 (5.45%) UNIX
5 15 (5.45%) Windows Server 2003
6 14 (5.09%) Windows 8
7 9 (3.27%) Red Hat Enterprise Linux
7 9 (3.27%) Windows Server 2012
8 8 (2.91%) Windows XP
9 6 (2.18%) Solaris
10 5 (1.82%) Windows Vista
11 4 (1.45%) Windows Phone
11 4 (1.45%) Apple iOS
11 4 (1.45%) Android
12 3 (1.09%) CentOS
12 3 (1.09%) Mac OS X
12 3 (1.09%) Windows 2000
12 3 (1.09%) Windows NT
13 1 (0.36%) Windows 2000 Server
Processes & Methodologies
1 30 (10.91%) ITIL
2 26 (9.45%) Incident Management
3 22 (8.00%) Project Management
3 22 (8.00%) Network Management
4 21 (7.64%) Service Management
5 20 (7.27%) Root Cause Analysis
6 19 (6.91%) Service Delivery
7 17 (6.18%) Load Balancing
8 16 (5.82%) Network Design
9 14 (5.09%) CRM
10 11 (4.00%) Product Management
11 9 (3.27%) Network Monitoring
12 8 (2.91%) DNA
12 8 (2.91%) Validation
12 8 (2.91%) High Availability
12 8 (2.91%) Time Management
13 7 (2.55%) Capacity Planning
13 7 (2.55%) E-Commerce
14 6 (2.18%) ITIL V3
15 5 (1.82%) Performance Management
Programming Languages
1 11 (4.00%) C
2 9 (3.27%) PowerShell
3 8 (2.91%) Python
4 6 (2.18%) Java
4 6 (2.18%) C++
5 4 (1.45%) ActionScript
5 4 (1.45%) C#
5 4 (1.45%) Perl
5 4 (1.45%) Objective-C
5 4 (1.45%) ActionScript 2.0
6 2 (0.73%) AWK
6 2 (0.73%) Bash Shell
7 1 (0.36%) Shell Script
7 1 (0.36%) SQL
Qualifications
1 82 (29.82%) Cisco Certification
2 67 (24.36%) Security Cleared
3 53 (19.27%) SC Cleared
4 52 (18.91%) CCNA
5 41 (14.91%) CCNP
6 32 (11.64%) Degree
7 11 (4.00%) Microsoft Certification
8 8 (2.91%) CCIE
9 6 (2.18%) CCSP
10 5 (1.82%) ITIL Foundation Certificate
11 4 (1.45%) ITIL Certification
11 4 (1.45%) Avaya Certification
12 3 (1.09%) JNCIA
13 2 (0.73%) MCSE
13 2 (0.73%) MCSA
13 2 (0.73%) CCDP
13 2 (0.73%) CCVP
13 2 (0.73%) JNCIP
14 1 (0.36%) DV Cleared
14 1 (0.36%) HP ASE
Quality Assurance & Compliance
1 13 (4.73%) SLA
2 9 (3.27%) ISO/IEC 27001
3 1 (0.36%) ISO 14001
3 1 (0.36%) ISO 9001
System Software
1 37 (13.45%) Active Directory
2 21 (7.64%) VMware Infrastructure
3 13 (4.73%) VMware ESX
4 10 (3.64%) Terminal Services
5 6 (2.18%) Kamailio
6 4 (1.45%) ISA Server
7 2 (0.73%) VMware ESXi
7 2 (0.73%) Hyper-V
7 2 (0.73%) vSphere
8 1 (0.36%) XenApp
Systems Management
1 8 (2.91%) CiscoWorks
1 8 (2.91%) Netcool
1 8 (2.91%) Nagios
1 8 (2.91%) logstash
2 4 (1.45%) NetBackup
2 4 (1.45%) Cisco CUCM
2 4 (1.45%) HP NNM
3 3 (1.09%) SolarWinds Orion
3 3 (1.09%) Backup Exec
3 3 (1.09%) OpenView
4 2 (0.73%) Cisco UCCE
5 1 (0.36%) SCOM
Vendors
1 140 (50.91%) Cisco
2 42 (15.27%) Sonus
3 41 (14.91%) Ericsson
4 40 (14.55%) Avaya
5 39 (14.18%) Microsoft
6 38 (13.82%) Mitel
7 30 (10.91%) Juniper
8 24 (8.73%) Aastra
9 23 (8.36%) VMware
9 23 (8.36%) Siemens
10 20 (7.27%) Nortel
11 19 (6.91%) CheckPoint
12 15 (5.45%) HP
12 15 (5.45%) Nokia
13 12 (4.36%) SolarWinds
14 10 (3.64%) BT
14 10 (3.64%) F5
15 8 (2.91%) Aruba
16 7 (2.55%) Dell
17 6 (2.18%) Red Hat
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