The table below looks at the statistics for ISDN skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited ISDN over the 3 months to 26 June 2016 with a comparison to the same period over the previous 2 years.

3 months to
26 Jun 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 805 905 883
Rank change year-on-year
+100 -22
Permanent jobs citing ISDN 119 71 120
As % of all permanent IT jobs located in the UK 0.12% 0.064% 0.099%
As % of the Communications & Networking category 0.72% 0.37% 0.57%
Number of salaries quoted 69 60 108
Median salary £50,000 £50,000 £37,500
Median salary % change year-on-year
- +33.33%
90% offered a salary of more than £25,000 £30,000 £23,928
10% offered a salary of more than £67,500 £65,000 £51,500
UK excluding London median salary £39,000 £50,000 £37,500
% change year-on-year
-22.00% +33.33%

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
16560 19249 20943
As % of all permanent IT jobs located in the UK 17.06% 17.37% 17.36%
Number of salaries quoted 13773 15691 16702
Median salary £45,000 £45,000 £43,500
Median salary % change year-on-year
- +3.44%
90% offered a salary of more than £27,000 £27,000 £27,500
10% offered a salary of more than £67,500 £65,000 £67,500
UK excluding London median salary £42,500 £42,000 £40,000
% change year-on-year
+1.19% +5.00%

ISDN
Jobs Demand Trend

The demand trend of job ads citing ISDN as a proportion of all IT jobs with a match in 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 26 June 2016 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 median salaries quoted in IT jobs citing ISDN within the UK over the 3 months to 26 June 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
England +93 117 £50,000 - 10
East of England +67 38 £38,000 +6.29% 6
London +55 32 £57,500 +39.39% 1
Hertfordshire +50 30 £27,500 -5.17% 1
South East +27 27 £52,000 -16.80%
City of London +63 11 £57,500 - 1
Berkshire +21 11 £45,000 -12.19%
Reading +23 7 £45,000 -10.00%
Surrey +19 6 £65,000 -
South West +17 6 £67,500 +58.82% 1
North West +24 5 £32,500 -40.90% 1
Watford +21 5 - -
Guildford +5 5 £66,250 +1.92%
West Sussex -1 5 £52,500 +28.04%
Buckinghamshire +38 4 £23,500 -31.88%
Milton Keynes +34 4 £23,500 -
Bracknell - 4 - -
East Midlands - 4 £32,750 -
West Midlands - 4 £35,000 - 1
Manchester +3 3 £32,500 -40.90% 1
Gatwick - 3 £52,500 -
Solihull - 3 £35,000 - 1
Dorset - 3 £67,500 -
Peterborough - 3 £55,000 -
Newmarket - 3 £38,000 -
Bournemouth - 3 £67,500 -
Cambridgeshire - 3 £55,000 -
Suffolk - 3 £38,000 -
Wales 0 2 - -
Crawley -10 2 £52,250 +4.50%

ISDN
Top 30 Related IT Skills

For the 6 months to 26 June 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 with a requirement for ISDN.

1 174 (71.60%) Cisco
2 132 (54.32%) Firewall
3 128 (52.67%) Cisco Certification
4 121 (49.79%) ITIL
5 118 (48.56%) WAN
6 112 (46.09%) VPN
6 112 (46.09%) LAN
7 97 (39.92%) TCP/IP
8 95 (39.09%) Juniper
9 90 (37.04%) VoIP
10 81 (33.33%) Wireless
11 72 (29.63%) CCNA
12 68 (27.98%) Network Security
13 65 (26.75%) Network Design
14 63 (25.93%) MPLS
15 62 (25.51%) Broadband
15 62 (25.51%) Security Cleared
15 62 (25.51%) Network Monitoring
16 52 (21.40%) SC Cleared
17 51 (20.99%) DV Cleared
18 48 (19.75%) JNCIP
19 46 (18.93%) JNCIE
19 46 (18.93%) JNCIA
19 46 (18.93%) JNCIS
20 45 (18.52%) Windows
21 44 (18.11%) CCNP
21 44 (18.11%) e-Health
22 43 (17.70%) DNS
23 42 (17.28%) PSTN
24 41 (16.87%) Telecoms

ISDN
Top Related IT Skills 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 17 (7.00%) Skype for Business
2 9 (3.70%) MS Exchange
3 6 (2.47%) CMS
4 2 (0.82%) Blackberry Enterprise Server
4 2 (0.82%) IIS
4 2 (0.82%) SharePoint
5 1 (0.41%) Confluence
5 1 (0.41%) Exchange Server 2010
Applications
1 7 (2.88%) MS Excel
2 3 (1.23%) MS Office
3 2 (0.82%) MS PowerPoint
Business Applications
1 5 (2.06%) Cisco SocialMiner
2 3 (1.23%) SAP Oil and Gas
3 1 (0.41%) Dynamics CRM
Cloud Services
1 9 (3.70%) Office 365
2 6 (2.47%) PaaS
3 1 (0.41%) SaaS
Communications & Networking
1 132 (54.32%) Firewall
2 118 (48.56%) WAN
3 112 (46.09%) LAN
3 112 (46.09%) VPN
4 97 (39.92%) TCP/IP
5 90 (37.04%) VoIP
6 81 (33.33%) Wireless
7 68 (27.98%) Network Security
8 63 (25.93%) MPLS
9 62 (25.51%) Broadband
10 43 (17.70%) DNS
11 42 (17.28%) PSTN
12 40 (16.46%) IPsec
13 38 (15.64%) DHCP
14 35 (14.40%) Unified Communications
15 34 (13.99%) Cisco Nexus
16 33 (13.58%) BGP
16 33 (13.58%) Cisco ASA
16 33 (13.58%) OSPF
17 31 (12.76%) SSL
Database & Business Intelligence
1 4 (1.65%) SQL Server
2 1 (0.41%) SQL Server 2008
Development Applications
1 6 (2.47%) VSS/SourceSafe
2 1 (0.41%) JIRA
General
1 41 (16.87%) Telecoms
2 26 (10.70%) Finance
3 11 (4.53%) Banking
4 10 (4.12%) Electronics
5 8 (3.29%) Retail
6 5 (2.06%) Manufacturing
7 4 (1.65%) Billing
7 4 (1.65%) Marketing
8 3 (1.23%) Advertising
8 3 (1.23%) Financial Institution
9 2 (0.82%) Law
10 1 (0.41%) Automotive
10 1 (0.41%) Back Office
10 1 (0.41%) German Language
10 1 (0.41%) Investment Banking
10 1 (0.41%) Legal
10 1 (0.41%) Multimedia
Job Titles
1 137 (56.38%) Network Engineer
2 67 (27.57%) Support Engineer
3 59 (24.28%) Cisco Engineer
3 59 (24.28%) Cisco Network Engineer
4 55 (22.63%) Network Support
5 52 (21.40%) Network Support Engineer
6 44 (18.11%) Juniper Engineer
7 29 (11.93%) Cisco Support
7 29 (11.93%) Voice Engineer
8 27 (11.11%) Cisco Network Support Engineer
8 27 (11.11%) Juniper Support
9 21 (8.64%) Cisco Support Engineer
10 18 (7.41%) Architect
11 15 (6.17%) Analyst
11 15 (6.17%) Core Network Engineer
11 15 (6.17%) Unified Communications Engineer
11 15 (6.17%) Voice Support Engineer
12 13 (5.35%) DV Cleared Network Engineer
12 13 (5.35%) Network Architect
12 13 (5.35%) SC Cleared Network Engineer
Libraries, Frameworks & Software Standards
1 14 (5.76%) XMPP
2 10 (4.12%) 802.1X
3 8 (3.29%) RFC 2833
4 6 (2.47%) JTAPI
4 6 (2.47%) TAPI
5 4 (1.65%) CCXML
5 4 (1.65%) VXML
5 4 (1.65%) Web Services
6 3 (1.23%) EDI
7 1 (0.41%) .NET
7 1 (0.41%) Ajax
7 1 (0.41%) COM
7 1 (0.41%) HTML
Miscellaneous
1 44 (18.11%) e-Health
2 38 (15.64%) Data Centre
3 23 (9.47%) Video Conferencing
4 20 (8.23%) Handset
5 19 (7.82%) PKI
6 18 (7.41%) Analytical Skills
7 13 (5.35%) Management Information System
8 12 (4.94%) IVR
9 9 (3.70%) Mathematics
10 7 (2.88%) Computer Science
11 5 (2.06%) Driving Licence
12 3 (1.23%) User Experience
12 3 (1.23%) Virtual Team
13 2 (0.82%) Blackberry
13 2 (0.82%) Enterprise Software
13 2 (0.82%) Equities
13 2 (0.82%) Fixed Income
13 2 (0.82%) RSA SecurID
13 2 (0.82%) Smartphone
14 1 (0.41%) Life Science
Operating Systems
1 45 (18.52%) Windows
2 26 (10.70%) Unix
3 24 (9.88%) Linux
4 18 (7.41%) Windows NT
5 15 (6.17%) Windows 2000
6 9 (3.70%) Windows Server 2008
7 8 (3.29%) Windows Server
8 7 (2.88%) Windows Server 2003
9 6 (2.47%) Red Hat Enterprise Linux
10 5 (2.06%) Windows Server 2012
11 3 (1.23%) Windows 7
12 1 (0.41%) Apple iOS
12 1 (0.41%) CentOS
12 1 (0.41%) Mac OS X
12 1 (0.41%) Ubuntu
12 1 (0.41%) Windows 8
Processes & Methodologies
1 121 (49.79%) ITIL
2 65 (26.75%) Network Design
3 62 (25.51%) Network Monitoring
4 34 (13.99%) Coaching
5 28 (11.52%) Mentoring
6 22 (9.05%) Service Delivery
7 20 (8.23%) Presales
8 19 (7.82%) Change Control
9 14 (5.76%) Load Balancing
10 13 (5.35%) WAN Optimisation
11 12 (4.94%) Project Management
12 11 (4.53%) Operations Management
13 10 (4.12%) E-Commerce
13 10 (4.12%) Information Management
13 10 (4.12%) Network Management
14 9 (3.70%) Capacity Planning
14 9 (3.70%) CRM
14 9 (3.70%) Information Security
15 7 (2.88%) Cybersecurity
15 7 (2.88%) Network Architecture
Programming Languages
1 11 (4.53%) C
2 6 (2.47%) Python
3 5 (2.06%) Java
4 4 (1.65%) C#
4 4 (1.65%) C++
4 4 (1.65%) SQL
5 2 (0.82%) Bash Shell
5 2 (0.82%) PowerShell
6 1 (0.41%) JavaScript
6 1 (0.41%) Perl
6 1 (0.41%) PHP
6 1 (0.41%) VBScript
Qualifications
1 128 (52.67%) Cisco Certification
2 72 (29.63%) CCNA
3 62 (25.51%) Security Cleared
4 52 (21.40%) SC Cleared
5 51 (20.99%) DV Cleared
6 48 (19.75%) JNCIP
7 46 (18.93%) JNCIA
7 46 (18.93%) JNCIE
7 46 (18.93%) JNCIS
8 44 (18.11%) CCNP
9 34 (13.99%) Degree
10 21 (8.64%) CCNP Voice
11 15 (6.17%) CCIE
12 9 (3.70%) CISSP
13 8 (3.29%) ITIL Certification
14 6 (2.47%) SSCP
15 5 (2.06%) Microsoft Certification
16 4 (1.65%) CCSA
16 4 (1.65%) HND
17 3 (1.23%) MCSE
Quality Assurance & Compliance
1 15 (6.17%) SLA
2 8 (3.29%) COBIT
3 6 (2.47%) Sarbanes-Oxley
4 5 (2.06%) PCI DSS
5 4 (1.65%) PA-DSS
System Software
1 17 (7.00%) Active Directory
2 12 (4.94%) VMware Infrastructure
3 10 (4.12%) Terminal Services
4 9 (3.70%) VMware ESX
5 6 (2.47%) Firmware
6 3 (1.23%) VirtualBox
7 2 (0.82%) Hyper-V
7 2 (0.82%) KVM
7 2 (0.82%) Virtual Machines
7 2 (0.82%) Virtual Servers
7 2 (0.82%) XenServer
8 1 (0.41%) VMware ESXi
8 1 (0.41%) vSphere
Systems Management
1 31 (12.76%) Cisco CUCM
2 25 (10.29%) Cisco UCCX
3 15 (6.17%) Nagios
4 11 (4.53%) Cisco Prime
4 11 (4.53%) SolarWinds Orion
5 10 (4.12%) FortiGate
6 6 (2.47%) Cisco UCCE
7 4 (1.65%) TrustSec
8 3 (1.23%) SCCM
9 2 (0.82%) Norton AntiVirus
9 2 (0.82%) QRadar
10 1 (0.41%) OpenView
10 1 (0.41%) Opscode Chef
10 1 (0.41%) Puppet
10 1 (0.41%) SCOM
Vendors
1 174 (71.60%) Cisco
2 95 (39.09%) Juniper
3 36 (14.81%) Microsoft
4 26 (10.70%) Avaya
5 25 (10.29%) CheckPoint
6 24 (9.88%) F5
7 20 (8.23%) Palo Alto
8 19 (7.82%) VMware
9 16 (6.58%) Sybase
10 14 (5.76%) Red Box
11 13 (5.35%) Polycom
12 12 (4.94%) Acme Packet
12 12 (4.94%) BroadSoft
12 12 (4.94%) SolarWinds
13 11 (4.53%) Barracuda Networks
13 11 (4.53%) HP
13 11 (4.53%) IronPort
14 10 (4.12%) Nortel
15 9 (3.70%) Blue Coat
15 9 (3.70%) Sourcefire
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Salary: £25000 - £30000 per annum + Bonus
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Salary: 30,000 - 45,000
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