The table below looks at the statistics for ISDN skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited ISDN over the 3 months to 30 September 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
30 Sep 2014
Same period 2013 Same period 2012
Integrated Service Digital Network (ISDN)
Rank 585 612 596
Rank change year-on-year
+27 -16
Permanent jobs citing ISDN 53 17 44
As % of all permanent IT jobs located in London 0.12% 0.038% 0.088%
As % of the Communications & Networking category 0.68% 0.24% 0.49%
Number of salaries quoted 48 11 38
Average salary £45,000 £55,000 £31,500
Average salary % change year-on-year
-18.18% +74.60%
90% offered a salary of more than £25,000 £27,500 £25,500
10% offered a salary of more than £68,400 £60,000 £80,750
UK excluding London average salary £32,500 £34,375 £37,750
% change year-on-year
-5.45% -8.94%
ISDN
England

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

Communications & Networking Category
London
Permanent IT job ads with a match in the
Communications & Networking category
7738 7056 8983
As % of all permanent IT jobs located in London 16.91% 15.76% 17.92%
Number of salaries quoted 6383 6000 7587
Average salary £50,000 £50,000 £47,500
Average salary % change year-on-year
- +5.26%
90% offered a salary of more than £30,000 £32,000 £30,000
10% offered a salary of more than £70,000 £70,000 £70,000
UK excluding London average salary £40,000 £40,000 £40,000

ISDN
Jobs Demand Trend in London

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

ISDN Jobs Demand Trend in London

ISDN
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN across the London region.

ISDN Salary Trend in London

ISDN
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing ISDN across the London region over the 3 months to 30 September 2014.

ISDN Salary Histogram in London

ISDN
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing ISDN within the London region over the 3 months to 30 September 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
City of London +30 15 £44,500 +7.87% 3
Croydon - 2 £40,000 -
ISDN
England

ISDN
Top 30 Related IT Skills in London

For the 6 months to 30 September 2014, IT jobs across the London region 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 36 (40.45%) Telecoms
2 28 (31.46%) Cisco Certification
3 27 (30.34%) Firewall
4 26 (29.21%) Cisco
4 26 (29.21%) VoIP
5 25 (28.09%) WAN
5 25 (28.09%) CCNP
6 24 (26.97%) Juniper
7 23 (25.84%) MPLS
7 23 (25.84%) Unified Communications
8 22 (24.72%) Lync
8 22 (24.72%) LAN
8 22 (24.72%) Windows
9 21 (23.60%) CCNA
10 19 (21.35%) VPN
10 19 (21.35%) Finance
11 18 (20.22%) Project Management
11 18 (20.22%) Microsoft
11 18 (20.22%) IVR
12 17 (19.10%) Mitel
12 17 (19.10%) Cisco ASA
12 17 (19.10%) PBX
12 17 (19.10%) Wireless
13 15 (16.85%) ADSL
13 15 (16.85%) Active Directory
14 14 (15.73%) Avaya
14 14 (15.73%) H.323
14 14 (15.73%) OSPF
14 14 (15.73%) BGP
14 14 (15.73%) VMware

ISDN
Top Related IT Skills in London by Category

For the 6 months to 30 September 2014, IT jobs across the London region 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 22 (24.72%) Lync
2 11 (12.36%) MS Exchange
3 4 (4.49%) SharePoint
4 2 (2.25%) CMS
4 2 (2.25%) SharePoint Server
4 2 (2.25%) WebSphere
4 2 (2.25%) nginx
4 2 (2.25%) Confluence
4 2 (2.25%) Exchange Server 2013
4 2 (2.25%) IIS
4 2 (2.25%) Apache
Applications
1 4 (4.49%) MS Excel
2 1 (1.12%) MS Project
Communications & Networking
1 27 (30.34%) Firewall
2 26 (29.21%) VoIP
3 25 (28.09%) WAN
4 23 (25.84%) MPLS
4 23 (25.84%) Unified Communications
5 22 (24.72%) LAN
6 19 (21.35%) VPN
7 17 (19.10%) PBX
7 17 (19.10%) Wireless
7 17 (19.10%) Cisco ASA
8 15 (16.85%) ADSL
9 14 (15.73%) OSPF
9 14 (15.73%) BGP
9 14 (15.73%) H.323
10 10 (11.24%) QSIG
10 10 (11.24%) VLAN
10 10 (11.24%) Ethernet
11 9 (10.11%) Internet
11 9 (10.11%) RTP
12 8 (8.99%) Multicast
Database & Business Intelligence
1 4 (4.49%) SQL Server
2 3 (3.37%) MySQL
3 2 (2.25%) MongoDB
3 2 (2.25%) SQL Server 2012
4 1 (1.12%) PostgreSQL
Development Applications
1 5 (5.62%) Git (software)
2 2 (2.25%) Jenkins
3 1 (1.12%) Xcode
General
1 36 (40.45%) Telecoms
2 19 (21.35%) Finance
3 13 (14.61%) Billing
4 4 (4.49%) Mandarin Language
4 4 (4.49%) French Language
4 4 (4.49%) German Language
4 4 (4.49%) Italian Language
4 4 (4.49%) Japanese Language
4 4 (4.49%) Spanish Language
5 2 (2.25%) Marketing
5 2 (2.25%) Back Office
Job Titles
1 16 (17.98%) Network Engineer
2 12 (13.48%) Voice Engineer
2 12 (13.48%) Senior Voice Engineer
3 11 (12.36%) Support Engineer
4 9 (10.11%) Coordinator
5 8 (8.99%) Infrastructure Engineer
5 8 (8.99%) Infrastructure Support Engineer
5 8 (8.99%) Service Delivery Coordinator
6 7 (7.87%) 3rd Line Support
7 6 (6.74%) Senior Network Engineer
7 6 (6.74%) Telephony Engineer
7 6 (6.74%) Architect
7 6 (6.74%) Developer
8 5 (5.62%) Help Desk Engineer
8 5 (5.62%) Video Conferencing Engineer
9 4 (4.49%) Technical Developer
9 4 (4.49%) PRINCE2 Project Manager
9 4 (4.49%) Senior Security Engineer
9 4 (4.49%) Security Engineer
9 4 (4.49%) Technical Engineer
Libraries, Frameworks & Software Standards
1 5 (5.62%) XML
2 4 (4.49%) SOAP
3 3 (3.37%) Web Services
4 2 (2.25%) HTML
4 2 (2.25%) EJB
4 2 (2.25%) VXML
4 2 (2.25%) JTAPI
4 2 (2.25%) Java EE
4 2 (2.25%) EJB 3.0
4 2 (2.25%) TAPI
4 2 (2.25%) CCXML
5 1 (1.12%) iOS SDK
5 1 (1.12%) EDIFACT
5 1 (1.12%) EDI
Miscellaneous
1 18 (20.22%) IVR
2 10 (11.24%) Clustering
3 9 (10.11%) Hedge funds
4 8 (8.99%) Video Conferencing
5 5 (5.62%) SecurID
6 4 (4.49%) Smartphone
6 4 (4.49%) PMI
7 3 (3.37%) AVVID
7 3 (3.37%) iPhone
8 2 (2.25%) Mobile App
8 2 (2.25%) User Experience
8 2 (2.25%) Mathematics
8 2 (2.25%) Physics
8 2 (2.25%) PKI
9 1 (1.12%) DTV
9 1 (1.12%) Analytical Skills
Operating Systems
1 22 (24.72%) Windows
2 9 (10.11%) Linux
3 5 (5.62%) Android
3 5 (5.62%) Windows Server 2008
3 5 (5.62%) Apple iOS
4 4 (4.49%) Windows Phone
5 3 (3.37%) Windows 7
5 3 (3.37%) Windows Server 2003
6 2 (2.25%) CentOS
6 2 (2.25%) Windows XP
6 2 (2.25%) Windows Vista
6 2 (2.25%) Windows 8
6 2 (2.25%) Windows Server 2012
7 1 (1.12%) Oracle Linux
7 1 (1.12%) UNIX
7 1 (1.12%) Windows NT
7 1 (1.12%) Fedora
7 1 (1.12%) Ubuntu
Processes & Methodologies
1 18 (20.22%) Project Management
2 11 (12.36%) ITIL
3 10 (11.24%) Service Delivery
4 8 (8.99%) Validation
4 8 (8.99%) Capacity Planning
5 7 (7.87%) Network Management
5 7 (7.87%) Load Balancing
5 7 (7.87%) Change Management
5 7 (7.87%) CRM
6 6 (6.74%) Disaster Recovery
7 5 (5.62%) Data Analysis
7 5 (5.62%) Kalman Filter
8 4 (4.49%) Network Monitoring
8 4 (4.49%) Matrix Management
8 4 (4.49%) Communications Security
8 4 (4.49%) PRINCE2
9 3 (3.37%) Agile Software Development
10 2 (2.25%) TOGAF
10 2 (2.25%) Network Design
10 2 (2.25%) Stakeholder Management
Programming Languages
1 7 (7.87%) Java
2 5 (5.62%) Python
2 5 (5.62%) Objective-C
2 5 (5.62%) C++
3 4 (4.49%) C#
4 3 (3.37%) C
5 2 (2.25%) Bash Shell
5 2 (2.25%) Ruby
5 2 (2.25%) Perl
5 2 (2.25%) SQL
6 1 (1.12%) ActionScript
6 1 (1.12%) ActionScript 2.0
Qualifications
1 28 (31.46%) Cisco Certification
2 25 (28.09%) CCNP
3 21 (23.60%) CCNA
4 8 (8.99%) MCSE
4 8 (8.99%) MCSA
4 8 (8.99%) Microsoft Certification
4 8 (8.99%) JNCIA
5 5 (5.62%) CCSP
6 4 (4.49%) PMP
6 4 (4.49%) PMI Certification
7 2 (2.25%) CCVP
7 2 (2.25%) CCIE
8 1 (1.12%) Avaya Certification
Quality Assurance & Compliance
1 13 (14.61%) SLA
System Software
1 15 (16.85%) Active Directory
2 8 (8.99%) VMware Infrastructure
3 7 (7.87%) Kamailio
4 4 (4.49%) VMware ESXi
Systems Management
1 13 (14.61%) Cisco CUCM
2 10 (11.24%) CiscoWorks
3 8 (8.99%) SCOM
4 2 (2.25%) Cisco UCCE
4 2 (2.25%) Backup Exec
4 2 (2.25%) HP NNM
4 2 (2.25%) Opscode Chef
4 2 (2.25%) logstash
Vendors
1 26 (29.21%) Cisco
2 24 (26.97%) Juniper
3 18 (20.22%) Microsoft
4 17 (19.10%) Mitel
5 14 (15.73%) Avaya
5 14 (15.73%) VMware
6 8 (8.99%) SolarWinds
7 6 (6.74%) Verint
8 5 (5.62%) Proofpoint
8 5 (5.62%) F5
8 5 (5.62%) Polycom
8 5 (5.62%) Tandberg
8 5 (5.62%) Blue Coat
8 5 (5.62%) CheckPoint
9 4 (4.49%) Siemens
9 4 (4.49%) Red Hat
9 4 (4.49%) Nortel
10 3 (3.37%) IronPort
11 2 (2.25%) Atlassian
11 2 (2.25%) Panasonic
City, London
Hays Finance Technology
Salary: £55000.00 - £60000.00 per annum + bonus
Posted: 8 hours ago
London
Stanford Associates
Salary: From £50,000 to £65,000 per annum + car + bonus + extensive bens
Posted: 5 days ago
West London
Harvey Nash plc
Salary: £45000 - £50000 per annum + Benefits
Posted: 5 days ago
London
Recruitment Genius
Salary: £20000 - £30000 per annum
Posted: 22 days ago
City of London
iKonnect
Salary: £70000 - £71000 per annum + Package
Posted: 22 days ago
City of London
iKonnect
Salary: £70000 - £71000 per annum + Package
Posted: 24 days ago