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 5 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
5 Mar 2015
Same period 2014 Same period 2013
Integrated Service Digital Network (ISDN)
Rank 778 777 729
Rank change year-on-year
-1 -48
Permanent jobs citing ISDN 95 110 137
As % of all permanent IT jobs located in the UK 0.091% 0.10% 0.13%
As % of the Communications & Networking category 0.50% 0.62% 0.66%
Number of salaries quoted 79 85 107
Average salary £40,000 £35,000 £34,750
Average salary % change year-on-year
+14.28% +0.71%
90% offered a salary of more than £26,150 £25,800 £24,000
10% offered a salary of more than £50,000 £54,000 £61,000
UK excluding London average salary £40,000 £35,000 £31,250
% change year-on-year
+14.28% +12.00%

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
18900 17855 20698
As % of all permanent IT jobs located in the UK 18.02% 16.90% 20.10%
Number of salaries quoted 15127 14032 16850
Average salary £45,000 £42,500 £42,500
Average salary % change year-on-year
+5.88% -
90% offered a salary of more than £27,500 £26,500 £27,500
10% offered a salary of more than £67,500 £62,500 £62,500
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 5 March 2015 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 5 March 2015. 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 -13 89 £41,250 +17.85% 7
London +36 35 £46,250 - 1
South East -34 29 £43,500 +14.47% 5
Berkshire -6 16 £43,500 +24.28% 1
North West +12 15 £37,000 +17.46% 1
Manchester - 10 £36,250 - 1
Reading -11 9 £45,500 +30.00% 1
City of London -5 8 £47,500 +26.66%
Bolton - 5 £32,500 -
Yorkshire -3 4 £35,000 -
Surrey -8 4 £42,500 +30.76% 2
Merseyside - 4 £34,500 -
West Yorkshire - 4 £35,000 -
Leeds - 4 £35,000 -
Liverpool - 4 £34,500 -
Slough +7 3 £30,500 -35.10%
East of England +4 3 £26,500 -18.46%
Hampshire -27 3 £45,000 +12.50% 1
South West -31 3 £42,500 +4.93%
Tyne and Wear - 3 £50,000 -
Oxfordshire - 3 £50,000 -
North East - 3 £50,000 -
Southampton - 3 £45,000 -
Newcastle upon Tyne - 3 £50,000 -
Oxford - 3 £50,000 -
Buckinghamshire +8 2 £26,500 -57.60%
Milton Keynes +1 2 £26,500 -57.60%
Hertfordshire -7 2 £26,250 -19.23%
Bristol -10 2 £37,750 -7.92%
West Midlands -32 2 £27,500 -8.33%

ISDN
Top 30 Related IT Skills

For the 6 months to 5 March 2015, 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.

1 134 (54.47%) Cisco
2 122 (49.59%) Cisco Certification
3 107 (43.50%) MPLS
4 103 (41.87%) Firewall
5 100 (40.65%) WAN
6 93 (37.80%) CCNP
7 90 (36.59%) CCNA
7 90 (36.59%) VoIP
8 83 (33.74%) TCP/IP
9 81 (32.93%) VPN
10 77 (31.30%) LAN
10 77 (31.30%) Windows
11 76 (30.89%) Microsoft
12 71 (28.86%) VLAN
13 69 (28.05%) Telecoms
14 66 (26.83%) BGP
15 64 (26.02%) Active Directory
16 60 (24.39%) OSPF
17 56 (22.76%) VMware
18 54 (21.95%) Juniper
18 54 (21.95%) PBX
18 54 (21.95%) Ethernet
19 53 (21.54%) ITIL
20 49 (19.92%) Wireless
21 48 (19.51%) DNS
22 47 (19.11%) ATM
23 45 (18.29%) Unified Communications
24 43 (17.48%) SLA
25 41 (16.67%) MS Excel
26 36 (14.63%) Microsoft Certification

ISDN
Top Related IT Skills by Category

For the 6 months to 5 March 2015, 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 34 (13.82%) MS Exchange
2 30 (12.20%) Lync
3 15 (6.10%) SharePoint
4 14 (5.69%) IIS
5 11 (4.47%) Exchange Server 2010
6 10 (4.07%) Exchange Server 2007
7 7 (2.85%) Confluence
7 7 (2.85%) Exchange Server 2013
8 5 (2.03%) Apache
9 4 (1.63%) IBM Notes
10 3 (1.22%) CMS
11 2 (0.81%) nginx
11 2 (0.81%) Tomcat
12 1 (0.41%) Lotus Domino
12 1 (0.41%) BizTalk Server
Applications
1 41 (16.67%) MS Excel
2 23 (9.35%) MS Office
3 6 (2.44%) MS Visio
4 2 (0.81%) MS Project
Business Applications
1 8 (3.25%) Dynamics CRM
Cloud Services
1 15 (6.10%) Office 365
2 7 (2.85%) PaaS
3 1 (0.41%) Microsoft Azure
Communications & Networking
1 107 (43.50%) MPLS
2 103 (41.87%) Firewall
3 100 (40.65%) WAN
4 90 (36.59%) VoIP
5 83 (33.74%) TCP/IP
6 81 (32.93%) VPN
7 77 (31.30%) LAN
8 71 (28.86%) VLAN
9 66 (26.83%) BGP
10 60 (24.39%) OSPF
11 54 (21.95%) PBX
11 54 (21.95%) Ethernet
12 49 (19.92%) Wireless
13 48 (19.51%) DNS
14 47 (19.11%) ATM
15 45 (18.29%) Unified Communications
16 32 (13.01%) DSL
16 32 (13.01%) Cisco ASA
17 31 (12.60%) Internet
18 30 (12.20%) IPsec
Database & Business Intelligence
1 20 (8.13%) SQL Server
2 4 (1.63%) MySQL
3 1 (0.41%) PostgreSQL
3 1 (0.41%) DB2
3 1 (0.41%) MS Access
3 1 (0.41%) SQL Server 2005
3 1 (0.41%) SQL Server 2008
Development Applications
1 7 (2.85%) JIRA
2 1 (0.41%) Xcode
2 1 (0.41%) Git (software)
General
1 69 (28.05%) Telecoms
2 15 (6.10%) Retail
3 10 (4.07%) Billing
4 9 (3.66%) Finance
5 8 (3.25%) Marketing
6 6 (2.44%) Mandarin Language
6 6 (2.44%) French Language
6 6 (2.44%) German Language
6 6 (2.44%) Italian Language
6 6 (2.44%) Japanese Language
6 6 (2.44%) Spanish Language
7 3 (1.22%) Multimedia
8 2 (0.81%) Banking
8 2 (0.81%) Aerospace
9 1 (0.41%) Legal
9 1 (0.41%) Manufacturing
Job Titles
1 59 (23.98%) Network Engineer
2 48 (19.51%) Support Engineer
3 29 (11.79%) Voice Engineer
4 25 (10.16%) Infrastructure Engineer
5 23 (9.35%) Technical Support
6 20 (8.13%) VoIP Engineer
7 18 (7.32%) NOC Engineer
8 16 (6.50%) Infrastructure Support Engineer
9 15 (6.10%) Technical Engineer
9 15 (6.10%) Technical Support Engineer
10 14 (5.69%) IP Engineer
10 14 (5.69%) 3rd Line Support
11 12 (4.88%) Systems Engineer
11 12 (4.88%) Cisco Engineer
12 8 (3.25%) Consultant
12 8 (3.25%) Project Manager
12 8 (3.25%) Service Manager
12 8 (3.25%) Service Desk Manager
13 7 (2.85%) Cisco Network Engineer
13 7 (2.85%) Telephony Engineer
Libraries, Frameworks & Software Standards
1 4 (1.63%) .NET
1 4 (1.63%) COM
2 2 (0.81%) Web Services
2 2 (0.81%) CSS
2 2 (0.81%) LAMP
3 1 (0.41%) SOAP
3 1 (0.41%) HTML
3 1 (0.41%) RSS
3 1 (0.41%) iOS SDK
3 1 (0.41%) Regular Expression
Miscellaneous
1 21 (8.54%) Analytical Skills
2 10 (4.07%) AVVID
3 8 (3.25%) Management Information System
3 8 (3.25%) IVR
4 7 (2.85%) Wiki
5 6 (2.44%) PMI
6 5 (2.03%) Mathematics
6 5 (2.03%) PKI
6 5 (2.03%) Open Source
7 4 (1.63%) Video Conferencing
8 3 (1.22%) SecurID
8 3 (1.22%) Enterprise Software
8 3 (1.22%) User Experience
9 2 (0.81%) Algorithms
9 2 (0.81%) EPoS
10 1 (0.41%) Handset
10 1 (0.41%) Mainframe
10 1 (0.41%) Clustering
10 1 (0.41%) Statistics
10 1 (0.41%) Social Network
Operating Systems
1 77 (31.30%) Windows
2 23 (9.35%) Linux
3 20 (8.13%) Windows 8
4 16 (6.50%) Windows Server 2008
5 12 (4.88%) Windows Server 2012
5 12 (4.88%) UNIX
5 12 (4.88%) Windows Server 2003
6 11 (4.47%) CentOS
7 9 (3.66%) Windows XP
7 9 (3.66%) Windows 7
8 8 (3.25%) Ubuntu
8 8 (3.25%) Windows NT
9 7 (2.85%) Windows 2000
10 6 (2.44%) Windows Vista
11 5 (2.03%) Windows 2000 Server
12 2 (0.81%) Apple iOS
12 2 (0.81%) Oracle Linux
12 2 (0.81%) Mac OS X
13 1 (0.41%) SUSE
13 1 (0.41%) Fedora
Processes & Methodologies
1 53 (21.54%) ITIL
2 27 (10.98%) Load Balancing
3 25 (10.16%) Project Management
4 23 (9.35%) Change Management
5 22 (8.94%) Configuration Management
6 19 (7.72%) Mentoring
6 19 (7.72%) Coaching
7 16 (6.50%) Incident Management
7 16 (6.50%) Line Management
7 16 (6.50%) Service Delivery
8 15 (6.10%) CRM
9 14 (5.69%) Performance Monitoring
9 14 (5.69%) Service Management
10 13 (5.28%) Network Monitoring
11 12 (4.88%) Network Design
11 12 (4.88%) Problem Management
12 10 (4.07%) E-Commerce
13 9 (3.66%) Data Analysis
13 9 (3.66%) Software Deployment
14 8 (3.25%) Performance Tuning
Programming Languages
1 15 (6.10%) SQL
2 8 (3.25%) Python
3 7 (2.85%) C
3 7 (2.85%) Bash Shell
4 5 (2.03%) Java
4 5 (2.03%) C++
4 5 (2.03%) VB
4 5 (2.03%) PowerShell
5 4 (1.63%) C#
6 2 (0.81%) PHP
7 1 (0.41%) Objective-C
Qualifications
1 122 (49.59%) Cisco Certification
2 93 (37.80%) CCNP
3 90 (36.59%) CCNA
4 36 (14.63%) Microsoft Certification
5 30 (12.20%) MCSE
6 24 (9.76%) MCSA
7 22 (8.94%) Security Cleared
8 20 (8.13%) MCP
9 19 (7.72%) JNCIS
9 19 (7.72%) Degree
10 17 (6.91%) SC Cleared
11 16 (6.50%) JNCIA
12 15 (6.10%) CCIE
13 11 (4.47%) CCDP
14 9 (3.66%) CCVP
14 9 (3.66%) CCSP
15 6 (2.44%) MCTS
15 6 (2.44%) PMP
15 6 (2.44%) PMI Certification
16 4 (1.63%) CNE
Quality Assurance & Compliance
1 43 (17.48%) SLA
2 5 (2.03%) ISO/IEC 27001
2 5 (2.03%) PCI DSS
3 1 (0.41%) QA
System Software
1 64 (26.02%) Active Directory
2 36 (14.63%) VMware Infrastructure
3 11 (4.47%) VMware ESX
3 11 (4.47%) Terminal Services
4 8 (3.25%) VirtualBox
5 5 (2.03%) Hyper-V
6 3 (1.22%) Firmware
7 2 (0.81%) XenApp
7 2 (0.81%) vSphere
7 2 (0.81%) ISA Server
7 2 (0.81%) VMware Workstation
8 1 (0.41%) Microsoft Virtual Server
8 1 (0.41%) XenServer
8 1 (0.41%) Kamailio
8 1 (0.41%) VMware ESXi
Systems Management
1 29 (11.79%) Cisco CUCM
2 18 (7.32%) SCOM
2 18 (7.32%) CiscoWorks
3 9 (3.66%) Nagios
4 7 (2.85%) Opscode Chef
4 7 (2.85%) Puppet
5 5 (2.03%) Backup Exec
6 3 (1.22%) Netcool
7 2 (0.81%) SCCM
8 1 (0.41%) NetBackup
8 1 (0.41%) WSUS
8 1 (0.41%) CA Spectrum
Vendors
1 134 (54.47%) Cisco
2 76 (30.89%) Microsoft
3 56 (22.76%) VMware
4 54 (21.95%) Juniper
5 18 (7.32%) SolarWinds
6 17 (6.91%) CheckPoint
7 14 (5.69%) Avaya
8 11 (4.47%) Red Hat
9 10 (4.07%) Verint
9 10 (4.07%) IronPort
10 8 (3.25%) Apple
10 8 (3.25%) Mitel
11 7 (2.85%) BT
11 7 (2.85%) Sybase
11 7 (2.85%) Citrix
11 7 (2.85%) hybris
11 7 (2.85%) AppDynamics
12 6 (2.44%) F5
12 6 (2.44%) HP
12 6 (2.44%) Oracle
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