The table below looks at the statistics for ISDN skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited ISDN over the 3 months to 24 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
24 Jul 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 596 670 650
Rank change year-on-year
+74 -20
Permanent jobs citing ISDN 38 5 34
As % of all permanent IT jobs located in London 0.096% 0.011% 0.071%
As % of the Communications & Networking category 0.61% 0.072% 0.44%
Number of salaries quoted 25 5 30
Median salary £45,000 £50,000 £41,000
Median salary % change year-on-year
-10.00% +21.95%
90% offered a salary of more than £31,000 £38,000 £23,760
10% offered a salary of more than £60,000 £57,500 £50,500
UK excluding London median salary £38,000 £50,000 £37,500
% change year-on-year
-24.00% +33.33%
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
6266 6968 7790
As % of all permanent IT jobs located in London 15.89% 15.66% 16.36%
Number of salaries quoted 5386 5896 6458
Median salary £55,000 £52,000 £50,000
Median salary % change year-on-year
+5.76% +4.00%
90% offered a salary of more than £32,500 £30,000 £30,000
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year
+3.65% +2.50%

ISDN
Jobs Demand Trend in London

The demand trend of job ads across the London region citing ISDN as a proportion of all IT jobs with a match in 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 24 July 2016.

ISDN Salary Histogram in London

ISDN
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the London region over the 3 months to 24 July 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +75 10 £60,000 +4.34% 1
ISDN
England

ISDN
Top 30 Related IT Skills in London

For the 6 months to 24 July 2016, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for ISDN.

1 67 (83.75%) Cisco
2 45 (56.25%) Cisco Certification
3 44 (55.00%) Firewall
4 40 (50.00%) VoIP
5 39 (48.75%) VPN
6 34 (42.50%) WAN
6 34 (42.50%) ITIL
7 33 (41.25%) MPLS
8 26 (32.50%) LAN
9 25 (31.25%) TCP/IP
9 25 (31.25%) CCNP
10 24 (30.00%) Wireless
10 24 (30.00%) Cisco Nexus
11 22 (27.50%) CCNA
12 21 (26.25%) Juniper
12 21 (26.25%) DSL
12 21 (26.25%) Cisco ASA
13 19 (23.75%) Cisco CUCM
14 18 (22.50%) Network Security
14 18 (22.50%) Unified Communications
14 18 (22.50%) IPsec
15 17 (21.25%) OSPF
16 16 (20.00%) Video Conferencing
16 16 (20.00%) CCNP Voice
17 15 (18.75%) Data Centre
18 14 (17.50%) IP Telephony
19 13 (16.25%) Cisco PIX
19 13 (16.25%) BGP
19 13 (16.25%) DNS
20 12 (15.00%) DHCP

ISDN
Top Related IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 5 (6.25%) Skype for Business
2 4 (5.00%) MS Exchange
3 2 (2.50%) Blackberry Enterprise Server
4 1 (1.25%) Confluence
Applications
1 3 (3.75%) MS Excel
2 2 (2.50%) MS PowerPoint
Business Applications
1 4 (5.00%) Cisco SocialMiner
Cloud Services
1 3 (3.75%) Office 365
2 1 (1.25%) PaaS
Communications & Networking
1 44 (55.00%) Firewall
2 40 (50.00%) VoIP
3 39 (48.75%) VPN
4 34 (42.50%) WAN
5 33 (41.25%) MPLS
6 26 (32.50%) LAN
7 25 (31.25%) TCP/IP
8 24 (30.00%) Cisco Nexus
8 24 (30.00%) Wireless
9 21 (26.25%) Cisco ASA
9 21 (26.25%) DSL
10 18 (22.50%) IPsec
10 18 (22.50%) Network Security
10 18 (22.50%) Unified Communications
11 17 (21.25%) OSPF
12 14 (17.50%) IP Telephony
13 13 (16.25%) BGP
13 13 (16.25%) Cisco PIX
13 13 (16.25%) DNS
14 12 (15.00%) DHCP
Database & Business Intelligence
1 1 (1.25%) SQL Server
Development Applications
1 1 (1.25%) JIRA
General
1 11 (13.75%) Finance
2 10 (12.50%) Banking
3 6 (7.50%) Telecoms
4 4 (5.00%) Investment Banking
5 3 (3.75%) Financial Institution
5 3 (3.75%) Retail
6 2 (2.50%) Law
7 1 (1.25%) Billing
7 1 (1.25%) German Language
7 1 (1.25%) Legal
7 1 (1.25%) Marketing
Job Titles
1 33 (41.25%) Network Engineer
2 18 (22.50%) Cisco Engineer
3 16 (20.00%) Cisco Network Engineer
4 13 (16.25%) Support Engineer
5 12 (15.00%) Voice Engineer
6 11 (13.75%) Analyst
7 9 (11.25%) Infrastructure Engineer
7 9 (11.25%) Network Support
8 8 (10.00%) Juniper Engineer
9 6 (7.50%) Network Analyst
9 6 (7.50%) Network Manager
9 6 (7.50%) Network Support Engineer
9 6 (7.50%) Unified Communications Engineer
10 5 (6.25%) Voice Network Engineer
10 5 (6.25%) Voice Support Engineer
10 5 (6.25%) VoIP Engineer
11 4 (5.00%) Infrastructure Support
11 4 (5.00%) Infrastructure Support Engineer
11 4 (5.00%) Security Engineer
11 4 (5.00%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 7 (8.75%) XMPP
2 1 (1.25%) 802.1X
Miscellaneous
1 16 (20.00%) Video Conferencing
2 15 (18.75%) Data Centre
3 9 (11.25%) Analytical Skills
4 7 (8.75%) e-Health
5 6 (7.50%) Handset
6 5 (6.25%) IVR
7 3 (3.75%) Driving Licence
7 3 (3.75%) Management Information System
7 3 (3.75%) Virtual Team
8 2 (2.50%) Blackberry
8 2 (2.50%) Equities
8 2 (2.50%) Fixed Income
8 2 (2.50%) PKI
8 2 (2.50%) Smartphone
8 2 (2.50%) User Experience
9 1 (1.25%) BYOD
9 1 (1.25%) Mathematics
9 1 (1.25%) Wiki
Operating Systems
1 7 (8.75%) Windows
2 5 (6.25%) Unix
3 3 (3.75%) Linux
3 3 (3.75%) Windows NT
4 2 (2.50%) Windows 7
5 1 (1.25%) CentOS
5 1 (1.25%) Red Hat Enterprise Linux
5 1 (1.25%) Ubuntu
5 1 (1.25%) Windows Server 2003
5 1 (1.25%) Windows Server 2008
Processes & Methodologies
1 34 (42.50%) ITIL
2 12 (15.00%) Network Monitoring
3 11 (13.75%) Project Management
4 9 (11.25%) Network Design
4 9 (11.25%) Network Management
5 8 (10.00%) Mentoring
6 7 (8.75%) Cybersecurity
6 7 (8.75%) WAN Optimisation
7 6 (7.50%) Problem Management
8 4 (5.00%) Asset Management
8 4 (5.00%) Business Intelligence
8 4 (5.00%) Kalman Filter
8 4 (5.00%) Root Cause Analysis
8 4 (5.00%) Virtual Infrastructure
9 3 (3.75%) Continuous Improvement
9 3 (3.75%) ITIL V3
10 2 (2.50%) Document Management
10 2 (2.50%) Malware Detection/Protection
10 2 (2.50%) Supplier Management
10 2 (2.50%) Time Management
Programming Languages
1 2 (2.50%) C
2 1 (1.25%) Bash Shell
2 1 (1.25%) PowerShell
2 1 (1.25%) Python
2 1 (1.25%) SQL
2 1 (1.25%) VBScript
Qualifications
1 45 (56.25%) Cisco Certification
2 25 (31.25%) CCNP
3 22 (27.50%) CCNA
4 16 (20.00%) CCNP Voice
5 10 (12.50%) CISSP
5 10 (12.50%) Security Cleared
6 9 (11.25%) DV Cleared
7 7 (8.75%) CCIE
7 7 (8.75%) JNCIA
7 7 (8.75%) JNCIE
7 7 (8.75%) JNCIP
7 7 (8.75%) JNCIS
7 7 (8.75%) SSCP
8 6 (7.50%) ITIL Certification
9 3 (3.75%) Avaya Certification
9 3 (3.75%) CCSA
9 3 (3.75%) Degree
9 3 (3.75%) Microsoft Certification
10 2 (2.50%) ITIL Foundation Certificate
11 1 (1.25%) LPIC
Quality Assurance & Compliance
1 5 (6.25%) COBIT
2 3 (3.75%) SLA
System Software
1 8 (10.00%) VMware ESX
2 6 (7.50%) VMware Infrastructure
3 1 (1.25%) Active Directory
3 1 (1.25%) Hyper-V
3 1 (1.25%) KVM
3 1 (1.25%) Terminal Services
3 1 (1.25%) Virtual Machines
3 1 (1.25%) VirtualBox
3 1 (1.25%) XenServer
Systems Management
1 19 (23.75%) Cisco CUCM
2 11 (13.75%) Nagios
3 10 (12.50%) Cisco UCCX
4 8 (10.00%) FortiGate
5 3 (3.75%) Cisco CME
5 3 (3.75%) SCCM
6 2 (2.50%) Norton AntiVirus
7 1 (1.25%) Cisco Prime
7 1 (1.25%) Opscode Chef
7 1 (1.25%) Puppet
7 1 (1.25%) SCOM
7 1 (1.25%) SolarWinds Orion
7 1 (1.25%) TrustSec
Vendors
1 67 (83.75%) Cisco
2 21 (26.25%) Juniper
3 11 (13.75%) CheckPoint
4 10 (12.50%) Avaya
4 10 (12.50%) VMware
5 9 (11.25%) Red Box
6 8 (10.00%) Citrix
6 8 (10.00%) IronPort
6 8 (10.00%) Microsoft
7 7 (8.75%) Palo Alto
7 7 (8.75%) Polycom
8 6 (7.50%) Blue Coat
8 6 (7.50%) F5
8 6 (7.50%) Sourcefire
9 4 (5.00%) Aastra
9 4 (5.00%) Acme Packet
9 4 (5.00%) Aerohive Networks
9 4 (5.00%) BroadSoft
9 4 (5.00%) Meraki
9 4 (5.00%) Mitel
London
Harvey Nash plc
Salary: £30000 - £36000 per annum + Benefits
Posted: 2 days ago
Croydon, Surrey
Imperative People
Salary: £24000.00 - £28000.00 per annum
Posted: 4 days ago
Central London / West End
Latcom Ltd
Salary: From £50,000 to £55,000 per annum
Posted: 4 days ago
City, London
Schroders plc
Posted: 10 days ago