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 4 September 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
4 Sep 2015
Same period 2014 Same period 2013
Integrated Service Digital Network (ISDN)
Rank 617 588 600
Rank change year-on-year
-29 +12
Permanent jobs citing ISDN 12 39 24
As % of all permanent IT jobs located in London 0.027% 0.085% 0.055%
As % of the Communications & Networking category 0.17% 0.51% 0.34%
Number of salaries quoted 11 35 20
Average salary £50,000 £44,500 £55,000
Average salary % change year-on-year
+12.35% -19.09%
UK excluding London average salary £42,500 £35,500 £37,500
% change year-on-year
+19.71% -5.33%
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
6970 7711 7130
As % of all permanent IT jobs located in London 15.89% 16.77% 16.27%
Number of salaries quoted 5963 6366 5968
Average salary £51,000 £50,000 £50,000
Average salary % change year-on-year
+2.00% -
90% offered a salary of more than £29,000 £30,000 £32,500
10% offered a salary of more than £75,000 £70,000 £70,000
UK excluding London average salary £41,000 £40,000 £40,000
% change year-on-year
+2.50% -

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 4 September 2015.

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 4 September 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
Harrow - 1 - -
Uxbridge - 1 £24,000 -
ISDN
England

ISDN
Top 30 Related IT Skills in London

For the 6 months to 4 September 2015, 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 24 (85.71%) VoIP
2 15 (53.57%) Unified Communications
3 14 (50.00%) PBX
4 12 (42.86%) WAN
4 12 (42.86%) Project Management
5 10 (35.71%) ITIL
5 10 (35.71%) DNS
6 9 (32.14%) VPN
6 9 (32.14%) Windows
6 9 (32.14%) Red Hat
6 9 (32.14%) MPLS
7 8 (28.57%) ADSL
7 8 (28.57%) Cisco
7 8 (28.57%) TCP/IP
8 7 (25.00%) E-Commerce
8 7 (25.00%) HTTPS
8 7 (25.00%) FTP
8 7 (25.00%) HTTP
8 7 (25.00%) ATM
8 7 (25.00%) LAN
8 7 (25.00%) SMTP
8 7 (25.00%) Linux
8 7 (25.00%) PRINCE2
8 7 (25.00%) Python
8 7 (25.00%) Nagios
8 7 (25.00%) Configuration Management
8 7 (25.00%) Avaya
8 7 (25.00%) PMI
8 7 (25.00%) PMP
8 7 (25.00%) PMI Certification

ISDN
Top Related IT Skills in London by Category

For the 6 months to 4 September 2015, 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 7 (25.00%) Confluence
2 5 (17.86%) Lync
3 3 (10.71%) CMS
Applications
1 5 (17.86%) MS Excel
Cloud Services
1 7 (25.00%) PaaS
1 7 (25.00%) Office 365
Communications & Networking
1 24 (85.71%) VoIP
2 15 (53.57%) Unified Communications
3 14 (50.00%) PBX
4 12 (42.86%) WAN
5 10 (35.71%) DNS
6 9 (32.14%) MPLS
6 9 (32.14%) VPN
7 8 (28.57%) TCP/IP
7 8 (28.57%) ADSL
8 7 (25.00%) ATM
8 7 (25.00%) LAN
8 7 (25.00%) SMTP
8 7 (25.00%) HTTPS
8 7 (25.00%) FTP
8 7 (25.00%) HTTP
9 3 (10.71%) LDAP
9 3 (10.71%) DHCP
9 3 (10.71%) H.323
9 3 (10.71%) Firewall
10 2 (7.14%) Wireless
Development Applications
1 7 (25.00%) JIRA
2 1 (3.57%) VSS/SourceSafe
General
1 7 (25.00%) Retail
2 4 (14.29%) Mandarin Language
2 4 (14.29%) French Language
2 4 (14.29%) German Language
2 4 (14.29%) Italian Language
2 4 (14.29%) Japanese Language
2 4 (14.29%) Spanish Language
2 4 (14.29%) Telecoms
3 3 (10.71%) Finance
Job Titles
1 7 (25.00%) Project Manager
1 7 (25.00%) Programme Manager
1 7 (25.00%) PRINCE2 Project Manager
2 6 (21.43%) Linux Engineer
2 6 (21.43%) Linux Systems Engineer
2 6 (21.43%) Unified Communications Engineer
2 6 (21.43%) Systems Engineer
3 4 (14.29%) Support Engineer
4 3 (10.71%) Technical Support
4 3 (10.71%) Analyst
4 3 (10.71%) 2nd Line Support
4 3 (10.71%) Communications Engineer
4 3 (10.71%) 2nd Line Support Engineer
4 3 (10.71%) Service Desk Engineer
5 2 (7.14%) Network Engineer
5 2 (7.14%) Avaya Engineer
5 2 (7.14%) Telephony Engineer
6 1 (3.57%) Network Support Engineer
6 1 (3.57%) Cisco Engineer
6 1 (3.57%) Network Support
Libraries, Frameworks & Software Standards
1 1 (3.57%) 802.1X
Miscellaneous
1 7 (25.00%) Wiki
1 7 (25.00%) PMI
2 3 (10.71%) Video Conferencing
2 3 (10.71%) Enterprise Software
2 3 (10.71%) User Experience
2 3 (10.71%) Analytical Skills
3 1 (3.57%) AVVID
3 1 (3.57%) SecurID
Operating Systems
1 9 (32.14%) Windows
2 7 (25.00%) Linux
2 7 (25.00%) Ubuntu
2 7 (25.00%) CentOS
Processes & Methodologies
1 12 (42.86%) Project Management
2 10 (35.71%) ITIL
3 7 (25.00%) PRINCE2
3 7 (25.00%) E-Commerce
3 7 (25.00%) Matrix Management
3 7 (25.00%) Communications Security
3 7 (25.00%) Performance Tuning
3 7 (25.00%) Mentoring
3 7 (25.00%) Coaching
3 7 (25.00%) Patch Management
3 7 (25.00%) Configuration Management
4 3 (10.71%) Usability Testing
5 2 (7.14%) Change Management
5 2 (7.14%) Network Architecture
6 1 (3.57%) Change Control
6 1 (3.57%) Capacity Management
6 1 (3.57%) Disaster Recovery
6 1 (3.57%) Migration
6 1 (3.57%) Information Security
6 1 (3.57%) Data Analysis
Programming Languages
1 7 (25.00%) Python
1 7 (25.00%) Bash Shell
Qualifications
1 7 (25.00%) PMP
1 7 (25.00%) PMI Certification
2 4 (14.29%) Cisco Certification
3 3 (10.71%) ITIL Certification
3 3 (10.71%) CCNA
4 2 (7.14%) CCNP
5 1 (3.57%) MCSE
5 1 (3.57%) Microsoft Certification
5 1 (3.57%) MCTS
5 1 (3.57%) Six Sigma Green Belt
5 1 (3.57%) Six Sigma Yellow Belt
5 1 (3.57%) Avaya Certification
Quality Assurance & Compliance
1 2 (7.14%) SLA
System Software
1 7 (25.00%) VMware ESX
1 7 (25.00%) VMware Infrastructure
1 7 (25.00%) VirtualBox
2 1 (3.57%) Active Directory
Systems Management
1 7 (25.00%) Nagios
1 7 (25.00%) Puppet
1 7 (25.00%) Opscode Chef
2 2 (7.14%) Cisco CUCM
3 1 (3.57%) SCOM
3 1 (3.57%) CiscoWorks
Vendors
1 9 (32.14%) Red Hat
2 8 (28.57%) Cisco
3 7 (25.00%) Avaya
3 7 (25.00%) VMware
3 7 (25.00%) hybris
3 7 (25.00%) AppDynamics
4 4 (14.29%) Microsoft
5 3 (10.71%) Tandberg
6 1 (3.57%) SolarWinds
6 1 (3.57%) Juniper
6 1 (3.57%) IronPort
6 1 (3.57%) BT
South East London
FT Select
Salary: From £35,000 to £55,000 per annum OTE circa £100,000 plus £6,6k car al
Posted: 11 hours ago
London
Franklin Fitch Limited
Salary: From £25,000 to £30,000 per annum Plus bonus and benefits
Posted: Yesterday
London
ALS IT Ltd
Posted: 2 days ago
West London
Interquest - IQ Telecom
Salary: £30000 - £45000 per annum + Bonus, Healthcare, Pension
Posted: 25 days ago