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 5 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
5 Dec 2016
Same period 2015 Same period 2014
Integrated Service Digital Network (ISDN)
Rank 782 858 821
Rank change year-on-year
+76 -37
Permanent jobs citing ISDN 95 100 155
As % of all permanent IT jobs located in the UK 0.10% 0.094% 0.14%
As % of the Communications & Networking category 0.61% 0.57% 0.75%
Number of salaries quoted 68 91 143
Median salary £47,500 £39,000 £42,000
Median salary % change year-on-year
+21.79% -7.14%
90% offered a salary of more than £28,500 £20,200 £27,570
10% offered a salary of more than £60,000 £57,500 £64,700
UK excluding London median salary £42,500 £36,750 £39,500
% change year-on-year
+15.64% -6.96%

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
15619 17585 20636
As % of all permanent IT jobs located in the UK 17.20% 16.56% 17.99%
Number of salaries quoted 12652 14530 16617
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £28,000 £26,575 £27,000
10% offered a salary of more than £68,000 £65,000 £70,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

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 5 December 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 5 December 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 +59 83 £45,000 +15.38% 12
South East +68 27 £52,500 +41.89% 1
East of England +15 22 £37,500 -3.84% 1
London +47 15 £55,500 +5.71% 2
Hertfordshire - 15 £28,500 -
Hampshire +3 11 £40,000 -
Surrey +27 8 £57,500 -11.53% 1
North West -16 8 £40,250 +101.25% 1
Hitchin - 8 £28,500 -
West Midlands -12 6 £45,000 +24.13%
Yorkshire +17 5 £37,500 +66.66%
West Sussex - 5 £62,500 -
Liverpool - 5 £51,750 - 1
Merseyside - 5 £51,750 - 1
Watford - 5 £29,000 -
Gatwick - 5 £62,500 -
Leeds - 5 £37,500 -
West Yorkshire - 5 £37,500 -
City of London +22 4 £55,500 +0.90% 1
East Midlands +8 4 £42,500 -5.55% 2
Northamptonshire +6 4 £42,500 -5.55%
Herefordshire - 4 £45,000 -
Essex +14 3 £60,000 +53.84%
Cambridgeshire +9 3 £42,500 +34.92% 1
Bedfordshire - 3 £60,000 -
Cambridge - 3 £42,500 - 1
Bedford - 3 £60,000 -
Milton Keynes +20 2 £51,250 +115.78%
Northampton +11 2 £20,000 -55.55%
Buckinghamshire +9 2 £51,250 +105.00%

ISDN
Top 30 Related IT Skills

For the 6 months to 5 December 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.

1 161 (78.54%) Cisco
2 114 (55.61%) LAN
2 114 (55.61%) WAN
3 106 (51.71%) Cisco Certification
4 105 (51.22%) Firewall
5 101 (49.27%) DNS
6 97 (47.32%) MPLS
7 96 (46.83%) DHCP
8 94 (45.85%) VoIP
8 94 (45.85%) ITIL
9 73 (35.61%) TCP/IP
10 69 (33.66%) VPN
10 69 (33.66%) Ethernet
11 67 (32.68%) Data Centre
12 65 (31.71%) CCNA
13 62 (30.24%) Wireless
14 56 (27.32%) Juniper
15 55 (26.83%) OSPF
16 49 (23.90%) IPsec
17 48 (23.41%) Cisco Nexus
18 46 (22.44%) Telecoms
19 45 (21.95%) PSTN
20 44 (21.46%) Windows
21 43 (20.98%) Skype for Business
22 41 (20.00%) VLAN
22 41 (20.00%) CCNP
23 40 (19.51%) DSL
24 39 (19.02%) PBX
25 36 (17.56%) ADSL
26 35 (17.07%) SSL

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 43 (20.98%) Skype for Business
2 22 (10.73%) MS Exchange
3 9 (4.39%) IIS
4 8 (3.90%) SharePoint
5 6 (2.93%) Exchange Server 2007
6 2 (0.98%) Blackberry Enterprise Server
7 1 (0.49%) Apache
7 1 (0.49%) Confluence
7 1 (0.49%) Exchange Server 2010
7 1 (0.49%) Exchange Server 2013
Applications
1 9 (4.39%) MS Excel
2 1 (0.49%) MS Office
2 1 (0.49%) MS Visio
Business Applications
1 9 (4.39%) Cisco SocialMiner
2 2 (0.98%) SAP Oil and Gas
3 1 (0.49%) Dynamics AX
Cloud Services
1 15 (7.32%) Office 365
2 14 (6.83%) PaaS
3 3 (1.46%) Microsoft Azure
Communications & Networking
1 114 (55.61%) LAN
1 114 (55.61%) WAN
2 105 (51.22%) Firewall
3 101 (49.27%) DNS
4 97 (47.32%) MPLS
5 96 (46.83%) DHCP
6 94 (45.85%) VoIP
7 73 (35.61%) TCP/IP
8 69 (33.66%) Ethernet
8 69 (33.66%) VPN
9 62 (30.24%) Wireless
10 55 (26.83%) OSPF
11 49 (23.90%) IPsec
12 48 (23.41%) Cisco Nexus
13 45 (21.95%) PSTN
14 41 (20.00%) VLAN
15 40 (19.51%) DSL
16 39 (19.02%) PBX
17 36 (17.56%) ADSL
18 35 (17.07%) BGP
Database & Business Intelligence
1 9 (4.39%) SQL Server
2 6 (2.93%) SQL Server 2008
3 2 (0.98%) Amazon RDS
4 1 (0.49%) SQL Server 2005
4 1 (0.49%) SQL Server 2012
Development Applications
1 1 (0.49%) JIRA
General
1 46 (22.44%) Telecoms
2 19 (9.27%) Finance
3 16 (7.80%) Retail
4 13 (6.34%) Law
5 7 (3.41%) Military
6 4 (1.95%) Banking
6 4 (1.95%) Billing
7 3 (1.46%) Electronics
7 3 (1.46%) Investment Banking
8 2 (0.98%) Manufacturing
8 2 (0.98%) Marketing
9 1 (0.49%) Financial Institution
9 1 (0.49%) French Language
9 1 (0.49%) Legal
Job Titles
1 76 (37.07%) Network Engineer
2 27 (13.17%) Analyst
2 27 (13.17%) Support Engineer
3 24 (11.71%) Cisco Engineer
4 20 (9.76%) Infrastructure Engineer
4 20 (9.76%) Senior Network Engineer
5 18 (8.78%) Cisco Network Engineer
6 15 (7.32%) Voice Engineer
7 14 (6.83%) 3rd Line Engineer
8 13 (6.34%) 3rd Line Support
8 13 (6.34%) 3rd Line Support Engineer
9 12 (5.85%) Cisco Analyst
9 12 (5.85%) Linux Engineer
9 12 (5.85%) Linux Support
9 12 (5.85%) Linux Support Engineer
9 12 (5.85%) Telecoms Analyst
9 12 (5.85%) VoIP Engineer
10 11 (5.37%) Office 365 Engineer
10 11 (5.37%) Operations Engineer
11 10 (4.88%) NOC Technician
Libraries, Frameworks & Software Standards
1 21 (10.24%) XMPP
2 20 (9.76%) 802.1X
3 4 (1.95%) .NET
3 4 (1.95%) Web Services
4 3 (1.46%) CCXML
4 3 (1.46%) JTAPI
4 3 (1.46%) RFC 2833
4 3 (1.46%) TAPI
4 3 (1.46%) VXML
5 1 (0.49%) Ajax
5 1 (0.49%) ASP.NET
5 1 (0.49%) COM
5 1 (0.49%) CSS
5 1 (0.49%) HTML
5 1 (0.49%) RESTful
5 1 (0.49%) WAP
5 1 (0.49%) XML
Miscellaneous
1 67 (32.68%) Data Centre
2 32 (15.61%) Management Information System
3 24 (11.71%) Video Conferencing
4 20 (9.76%) Analytical Skills
4 20 (9.76%) Driving Licence
5 19 (9.27%) PKI
6 14 (6.83%) Mathematics
7 10 (4.88%) e-Health
8 8 (3.90%) Handset
9 4 (1.95%) IVR
10 3 (1.46%) Contactless
11 2 (0.98%) Blackberry
11 2 (0.98%) Client/Server
11 2 (0.98%) Computer Science
11 2 (0.98%) Smartphone
11 2 (0.98%) User Experience
12 1 (0.49%) Algorithms
12 1 (0.49%) BYOD
12 1 (0.49%) FlexPod
12 1 (0.49%) Wiki
Operating Systems
1 44 (21.46%) Windows
2 29 (14.15%) Linux
3 23 (11.22%) Windows Server
4 20 (9.76%) Windows Server 2012
5 15 (7.32%) Windows Server 2003
5 15 (7.32%) Windows Server 2008
6 13 (6.34%) Red Hat Enterprise Linux
7 9 (4.39%) Unix
8 3 (1.46%) Windows 7
9 1 (0.49%) CentOS
9 1 (0.49%) Debian
9 1 (0.49%) Ubuntu
9 1 (0.49%) Windows XP
Processes & Methodologies
1 94 (45.85%) ITIL
2 25 (12.20%) Network Design
3 23 (11.22%) Network Management
4 22 (10.73%) Load Balancing
5 21 (10.24%) Line Management
6 19 (9.27%) Change Management
6 19 (9.27%) WAN Optimisation
7 18 (8.78%) Mentoring
8 17 (8.29%) Project Management
9 15 (7.32%) Change Control
9 15 (7.32%) Coaching
9 15 (7.32%) E-Commerce
9 15 (7.32%) Information Security
9 15 (7.32%) Network Monitoring
10 13 (6.34%) Information Management
10 13 (6.34%) Operations Management
10 13 (6.34%) SIEM
11 12 (5.85%) GAP Analysis
11 12 (5.85%) Incident Management
11 12 (5.85%) Risk Management
Programming Languages
1 18 (8.78%) C
2 3 (1.46%) Bash Shell
2 3 (1.46%) Java
2 3 (1.46%) Python
2 3 (1.46%) SQL
3 2 (0.98%) JavaScript
3 2 (0.98%) Perl
4 1 (0.49%) C#
4 1 (0.49%) C++
4 1 (0.49%) PHP
4 1 (0.49%) PowerShell
4 1 (0.49%) VB.NET
4 1 (0.49%) VBScript
Qualifications
1 106 (51.71%) Cisco Certification
2 65 (31.71%) CCNA
3 41 (20.00%) CCNP
4 33 (16.10%) Security Cleared
5 24 (11.71%) SC Cleared
6 16 (7.80%) Degree
7 12 (5.85%) GCIH
7 12 (5.85%) GIAC
7 12 (5.85%) ITIL Certification
7 12 (5.85%) JNCIP
8 11 (5.37%) JNCIA
9 10 (4.88%) JNCIE
9 10 (4.88%) JNCIS
10 9 (4.39%) CCNP Voice
10 9 (4.39%) DV Cleared
11 7 (3.41%) ITIL Foundation Certificate
12 6 (2.93%) Microsoft Certification
13 5 (2.44%) CCIE
14 4 (1.95%) MCSA
15 2 (0.98%) CISSP
Quality Assurance & Compliance
1 23 (11.22%) PCI DSS
2 18 (8.78%) SLA
3 3 (1.46%) ISO/IEC 27001
3 3 (1.46%) PA-DSS
System Software
1 27 (13.17%) VMware Infrastructure
2 25 (12.20%) Active Directory
3 22 (10.73%) VMware ESX
4 13 (6.34%) Terminal Services
5 12 (5.85%) Firmware
6 7 (3.41%) Hyper-V
7 2 (0.98%) VMware ESXi
7 2 (0.98%) vSphere
8 1 (0.49%) iptables
8 1 (0.49%) pfSense
8 1 (0.49%) Virtual Servers
8 1 (0.49%) VirtualBox
8 1 (0.49%) XenApp
Systems Management
1 19 (9.27%) Cisco CUCM
1 19 (9.27%) Cisco Prime
1 19 (9.27%) SolarWinds Orion
2 10 (4.88%) Cisco UCCE
2 10 (4.88%) Cisco UCCX
3 3 (1.46%) SCCM
4 2 (0.98%) Nagios
5 1 (0.49%) Cacti
5 1 (0.49%) DameWare
5 1 (0.49%) Norton AntiVirus
5 1 (0.49%) Opscode Chef
5 1 (0.49%) Puppet
5 1 (0.49%) QRadar
5 1 (0.49%) SCOM
5 1 (0.49%) TrustSec
Vendors
1 161 (78.54%) Cisco
2 56 (27.32%) Juniper
3 34 (16.59%) VMware
4 32 (15.61%) Microsoft
5 31 (15.12%) F5
6 27 (13.17%) CheckPoint
7 26 (12.68%) Palo Alto
7 26 (12.68%) SolarWinds
8 17 (8.29%) Barracuda Networks
9 14 (6.83%) Meraki
10 13 (6.34%) Citrix
11 12 (5.85%) Mitel
12 10 (4.88%) Avaya
13 9 (4.39%) Red Box
14 7 (3.41%) Nortel
15 6 (2.93%) Aerohive Networks
16 5 (2.44%) BroadSoft
16 5 (2.44%) Cyberoam
16 5 (2.44%) HP
16 5 (2.44%) Polycom
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