The table below looks at the statistics for ISDN skills in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited ISDN over the 3 months to 27 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
27 Mar 2015
Same period 2014 Same period 2013
Integrated Service Digital Network (ISDN)
Rank 311 309 314
Rank change year-on-year
-2 +5
Permanent jobs citing ISDN 3 14 2
As % of all permanent IT jobs located in the City of London 0.029% 0.13% 0.018%
As % of the Communications & Networking category 0.15% 0.80% 0.090%
Number of salaries quoted 3 12 2
Average salary £47,500 £30,000 £47,500
Average salary % change year-on-year
+58.33% -36.84%
UK excluding London average salary £42,500 £35,000 £30,000
% change year-on-year
+21.42% +16.66%
ISDN
London

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

Communications & Networking Category
City of London
Permanent IT job ads with a match in the
Communications & Networking category
2008 1742 2211
As % of all permanent IT jobs located in the City of London 19.31% 15.57% 19.95%
Number of salaries quoted 1675 1451 1983
Average salary £52,500 £50,000 £50,750
Average salary % change year-on-year
+5.00% -1.47%
90% offered a salary of more than £34,000 £32,000 £32,500
10% offered a salary of more than £71,000 £70,000 £70,000
UK excluding London average salary £41,500 £40,000 £40,000
% change year-on-year
+3.75% -

ISDN
Jobs Demand Trend in the City of London

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

ISDN Jobs Demand Trend in the City of London

ISDN
Salary Trend in the City of London

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

ISDN Salary Trend in the City of London

ISDN
Top 30 Related IT Skills in the City of London

For the 6 months to 27 March 2015, IT jobs across the City of 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 19 (95.00%) Cisco Certification
2 17 (85.00%) Microsoft
2 17 (85.00%) CCNP
2 17 (85.00%) CCNA
3 14 (70.00%) Microsoft Certification
3 14 (70.00%) Active Directory
3 14 (70.00%) MS Exchange
3 14 (70.00%) VMware
4 13 (65.00%) ITIL
5 12 (60.00%) MCSE
5 12 (60.00%) MCSA
5 12 (60.00%) MS Excel
5 12 (60.00%) JNCIA
5 12 (60.00%) VMware Infrastructure
5 12 (60.00%) Lync
6 8 (40.00%) Firewall
6 8 (40.00%) Cisco
6 8 (40.00%) LAN
6 8 (40.00%) WAN
7 6 (30.00%) Wireless
8 5 (25.00%) Internet
8 5 (25.00%) MPLS
8 5 (25.00%) OSPF
8 5 (25.00%) BGP
8 5 (25.00%) Juniper
8 5 (25.00%) VPN
8 5 (25.00%) Cisco ASA
9 4 (20.00%) VLAN
9 4 (20.00%) Cisco CUCM
9 4 (20.00%) Ethernet

ISDN
Top Related IT Skills in the City of London by Category

For the 6 months to 27 March 2015, IT jobs across the City of 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 14 (70.00%) MS Exchange
2 12 (60.00%) Lync
3 2 (10.00%) Exchange Server 2010
3 2 (10.00%) Exchange Server 2007
3 2 (10.00%) IIS
Applications
1 12 (60.00%) MS Excel
2 1 (5.00%) MS Project
Communications & Networking
1 8 (40.00%) LAN
1 8 (40.00%) WAN
1 8 (40.00%) Firewall
2 6 (30.00%) Wireless
3 5 (25.00%) Internet
3 5 (25.00%) Cisco ASA
3 5 (25.00%) VPN
3 5 (25.00%) MPLS
3 5 (25.00%) OSPF
3 5 (25.00%) BGP
4 4 (20.00%) Ethernet
4 4 (20.00%) TCP/IP
4 4 (20.00%) VLAN
5 3 (15.00%) Multicast
5 3 (15.00%) Unified Communications
5 3 (15.00%) PABX
5 3 (15.00%) DHCP
5 3 (15.00%) DNS
6 2 (10.00%) SSL
6 2 (10.00%) SAN
General
1 1 (5.00%) Telecoms
1 1 (5.00%) Finance
1 1 (5.00%) Billing
Job Titles
1 13 (65.00%) Infrastructure Engineer
2 11 (55.00%) Support Engineer
2 11 (55.00%) 3rd Line Support
2 11 (55.00%) Infrastructure Support Engineer
3 5 (25.00%) Technical Support Engineer
3 5 (25.00%) Technical Support
3 5 (25.00%) Technical Engineer
4 4 (20.00%) Infrastructure Manager
5 3 (15.00%) Network Engineer
6 2 (10.00%) Infrastructure Project Manager
6 2 (10.00%) IT Project Manager
6 2 (10.00%) Project Manager
6 2 (10.00%) IT Manager
6 2 (10.00%) 3rd Line Support Manager
6 2 (10.00%) Infrastructure Support Manager
6 2 (10.00%) IT Infrastructure Manager
6 2 (10.00%) IT Infrastructure Project Manager
6 2 (10.00%) Support Manager
7 1 (5.00%) Operations Engineer
7 1 (5.00%) Network Operations Engineer
Miscellaneous
1 1 (5.00%) AVVID
1 1 (5.00%) IVR
1 1 (5.00%) SecurID
Operating Systems
1 2 (10.00%) Windows
1 2 (10.00%) Windows Server 2008
1 2 (10.00%) Windows 8
1 2 (10.00%) Windows Server 2012
Processes & Methodologies
1 13 (65.00%) ITIL
2 4 (20.00%) Project Management
3 2 (10.00%) Data Analysis
3 2 (10.00%) Load Balancing
4 1 (5.00%) Capacity Planning
4 1 (5.00%) Network Management
4 1 (5.00%) ITIL V3
4 1 (5.00%) Network Monitoring
4 1 (5.00%) Kalman Filter
4 1 (5.00%) Line Management
4 1 (5.00%) Migration
4 1 (5.00%) Network Design
4 1 (5.00%) E-Commerce
Programming Languages
1 2 (10.00%) SQL
Qualifications
1 19 (95.00%) Cisco Certification
2 17 (85.00%) CCNP
2 17 (85.00%) CCNA
3 14 (70.00%) Microsoft Certification
4 12 (60.00%) JNCIA
4 12 (60.00%) MCSE
4 12 (60.00%) MCSA
5 1 (5.00%) CCIE
5 1 (5.00%) CCSP
5 1 (5.00%) CCDP
Quality Assurance & Compliance
1 1 (5.00%) SLA
System Software
1 14 (70.00%) Active Directory
2 12 (60.00%) VMware Infrastructure
3 2 (10.00%) XenApp
Systems Management
1 4 (20.00%) Cisco CUCM
2 3 (15.00%) CiscoWorks
2 3 (15.00%) SCOM
Vendors
1 17 (85.00%) Microsoft
2 14 (70.00%) VMware
3 8 (40.00%) Cisco
4 5 (25.00%) Juniper
5 4 (20.00%) CheckPoint
6 3 (15.00%) Blue Coat
6 3 (15.00%) SolarWinds
7 2 (10.00%) Citrix
8 1 (5.00%) HP
8 1 (5.00%) BT
8 1 (5.00%) 3Com
8 1 (5.00%) Proofpoint
8 1 (5.00%) Aruba
8 1 (5.00%) F5
8 1 (5.00%) Verint
8 1 (5.00%) Brocade
8 1 (5.00%) IronPort
8 1 (5.00%) ProCurve