The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for ISDN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISDN over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
UK / England
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 750 800 858
Rank change year-on-year +50 +58  
Permanent jobs citing ISDN 94 118 89
As % of all permanent IT jobs advertised in England 0.12% 0.12% 0.089%
As % of the Communications & Networking category 0.73% 0.69% 0.48%
Number of salaries quoted 63 85 71
Median salary £47,500 £45,000 £41,250
Median salary % change year-on-year +5.55% +9.09%  
90% offered a salary of more than £30,500 £27,800 £26,800
10% offered a salary of more than £60,000 £60,000 £50,000
UK excluding London median salary £45,000 £37,000 £42,500
% change year-on-year +21.62% -12.94%  

ISDN is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
England
Permanent job vacancies with a requirement for communications and computer networking skills 12915 17124 18587
As % of all permanent IT job vacancies advertised in England 16.10% 17.49% 18.54%
Number of salaries quoted 10570 14299 14934
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,000 £27,500 £27,500
10% offered a salary of more than £67,500 £70,000 £65,000
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

ISDN
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing ISDN as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for ISDN in England

ISDN
Salary Trend in England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN in England.

Salary trend for ISDN in England

ISDN
Salary Histogram in England

The salary distribution of IT jobs citing ISDN in England over the 3 months to 29 March 2017.

Salary histogram for ISDN in England

ISDN
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the England region over the 3 months to 29 March 2017. 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 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
London +59 36 £55,500 +5.71% 2
Yorkshire +49 17 £50,000 +87.09% 1
South East +40 13 £50,000 +25.78%
West Midlands +40 11 £45,000 +47.54% 1
North West -2 6 £24,000 -49.47%
East of England -2 6 £37,500 +17.18% 4
South West +27 2 - -
North East - 2 £60,000 -
East Midlands -3 1 £18,000 -37.93%
ISDN
UK

For the 6 months to 29 March 2017, 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 England region with a requirement for ISDN.

1 145 (73.98%) Cisco
2 115 (58.67%) LAN
3 108 (55.10%) WAN
4 95 (48.47%) Firewall
5 93 (47.45%) ITIL
6 81 (41.33%) Cisco Certification
7 72 (36.73%) DNS
8 67 (34.18%) DHCP
8 67 (34.18%) MPLS
9 61 (31.12%) TCP/IP
9 61 (31.12%) VPN
10 60 (30.61%) VoIP
11 56 (28.57%) Data Centre
12 53 (27.04%) Microsoft
13 52 (26.53%) CCNA
13 52 (26.53%) Windows
14 51 (26.02%) Ethernet
14 51 (26.02%) Wireless
15 48 (24.49%) MS Exchange
15 48 (24.49%) VMware
16 46 (23.47%) VMware Infrastructure
17 44 (22.45%) Juniper
18 43 (21.94%) IPsec
19 42 (21.43%) PSTN
19 42 (21.43%) Skype for Business
20 41 (20.92%) Security Cleared
21 39 (19.90%) Cisco Nexus
22 38 (19.39%) CCNP
23 36 (18.37%) OSPF
24 35 (17.86%) HSRP

ISDN
Co-occurring IT Skills in England 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 48 (24.49%) MS Exchange
2 42 (21.43%) Skype for Business
3 15 (7.65%) Exchange Server 2010
3 15 (7.65%) SharePoint
4 13 (6.63%) IIS
5 12 (6.12%) Exchange Server 2007
6 10 (5.10%) Exchange Server 2013
7 6 (3.06%) Apache
Applications
1 21 (10.71%) MS Excel
2 9 (4.59%) MS Office
Business Applications
1 3 (1.53%) Cisco SocialMiner
Cloud Services
1 28 (14.29%) Office 365
2 11 (5.61%) Microsoft Azure
3 7 (3.57%) PaaS
4 4 (2.04%) Amazon AWS
Communications & Networking
1 115 (58.67%) LAN
2 108 (55.10%) WAN
3 95 (48.47%) Firewall
4 72 (36.73%) DNS
5 67 (34.18%) DHCP
5 67 (34.18%) MPLS
6 61 (31.12%) TCP/IP
6 61 (31.12%) VPN
7 60 (30.61%) VoIP
8 51 (26.02%) Ethernet
8 51 (26.02%) Wireless
9 43 (21.94%) IPsec
10 42 (21.43%) PSTN
11 39 (19.90%) Cisco Nexus
12 36 (18.37%) OSPF
13 35 (17.86%) HSRP
14 34 (17.35%) Cisco ASA
15 33 (16.84%) Network Security
15 33 (16.84%) Unified Communications
16 30 (15.31%) SAN
Database & Business Intelligence
1 21 (10.71%) SQL Server
2 14 (7.14%) SQL Server 2008
3 10 (5.10%) SQL Server 2005
3 10 (5.10%) SQL Server 2012
4 2 (1.02%) Amazon RDS
General
1 31 (15.82%) Finance
2 15 (7.65%) Telecoms
3 10 (5.10%) Retail
4 6 (3.06%) Military
5 2 (1.02%) French Language
6 1 (0.51%) Law
6 1 (0.51%) Manufacturing
Job Titles
1 73 (37.24%) Network Engineer
2 29 (14.80%) Cisco Engineer
2 29 (14.80%) Cisco Network Engineer
3 23 (11.73%) Senior Network Engineer
4 22 (11.22%) Unified Communications Engineer
5 19 (9.69%) Analyst
6 18 (9.18%) Lync Engineer
7 14 (7.14%) Active Directory Engineer
7 14 (7.14%) Exchange Engineer
8 12 (6.12%) Technical Engineer
9 11 (5.61%) Support Engineer
10 10 (5.10%) Cisco Security Engineer
10 10 (5.10%) Network Analyst
10 10 (5.10%) Network Security Engineer
10 10 (5.10%) NOC Technician
10 10 (5.10%) Security Engineer
10 10 (5.10%) Switch Engineer
11 9 (4.59%) Network Operations Engineer
11 9 (4.59%) Senior Technical Engineer
11 9 (4.59%) VMware Engineer
Libraries, Frameworks & Software Standards
1 27 (13.78%) 802.1X
2 13 (6.63%) XMPP
3 5 (2.55%) Web Services
4 1 (0.51%) .NET
4 1 (0.51%) ASP.NET
4 1 (0.51%) COM
4 1 (0.51%) CSS
4 1 (0.51%) XML
Miscellaneous
1 56 (28.57%) Data Centre
2 22 (11.22%) Driving Licence
2 22 (11.22%) Management Information System
3 21 (10.71%) Video Conferencing
4 17 (8.67%) User Experience
4 17 (8.67%) Virtual Team
5 15 (7.65%) e-Health
6 11 (5.61%) PKI
7 10 (5.10%) Analytical Skills
8 9 (4.59%) Clustering
9 2 (1.02%) CCTV
9 2 (1.02%) NHS
9 2 (1.02%) Replication
10 1 (0.51%) APACS
10 1 (0.51%) Chip and PIN
10 1 (0.51%) Computer Science
10 1 (0.51%) EMV
10 1 (0.51%) Handset
10 1 (0.51%) Mainframe
10 1 (0.51%) Tandem
Operating Systems
1 52 (26.53%) Windows
2 34 (17.35%) Windows Server
3 28 (14.29%) Linux
4 25 (12.76%) Windows Server 2012
5 20 (10.20%) Windows Server 2008
6 18 (9.18%) Unix
7 16 (8.16%) Windows Server 2003
8 7 (3.57%) Red Hat Enterprise Linux
9 6 (3.06%) Debian
10 5 (2.55%) Windows 7
11 2 (1.02%) Android
11 2 (1.02%) Apple iOS
11 2 (1.02%) Windows 8
12 1 (0.51%) Windows XP
Processes & Methodologies
1 93 (47.45%) ITIL
2 29 (14.80%) Network Design
3 27 (13.78%) Mentoring
4 25 (12.76%) Load Balancing
5 20 (10.20%) Adaptive Security
5 20 (10.20%) Change Control
5 20 (10.20%) Line Management
5 20 (10.20%) Network Management
5 20 (10.20%) Technical Architecture
6 19 (9.69%) Network Monitoring
6 19 (9.69%) Time Management
7 16 (8.16%) Change Management
7 16 (8.16%) Incident Management
7 16 (8.16%) Information Security
8 15 (7.65%) Presales
9 14 (7.14%) Disaster Recovery
10 12 (6.12%) GAP Analysis
10 12 (6.12%) Information Assurance
10 12 (6.12%) SIEM
11 11 (5.61%) Vulnerability Management
Programming Languages
1 9 (4.59%) C
1 9 (4.59%) SQL
2 2 (1.02%) Bash Shell
2 2 (1.02%) Perl
2 2 (1.02%) PowerShell
3 1 (0.51%) PHP
3 1 (0.51%) Python
3 1 (0.51%) VB.NET
Qualifications
1 81 (41.33%) Cisco Certification
2 52 (26.53%) CCNA
3 41 (20.92%) Security Cleared
4 38 (19.39%) CCNP
5 34 (17.35%) SC Cleared
6 17 (8.67%) JNCIA
6 17 (8.67%) JNCIP
7 16 (8.16%) JNCIE
7 16 (8.16%) JNCIS
8 15 (7.65%) DV Cleared
9 12 (6.12%) Degree
9 12 (6.12%) GCIH
9 12 (6.12%) GIAC
10 8 (4.08%) ITIL Certification
11 3 (1.53%) CCIE
11 3 (1.53%) CCNP Voice
12 2 (1.02%) MCSE
12 2 (1.02%) Microsoft Certification
12 2 (1.02%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 28 (14.29%) PCI DSS
2 11 (5.61%) SLA
3 1 (0.51%) ISO 9001
3 1 (0.51%) ISO/IEC 27001
System Software
1 46 (23.47%) VMware Infrastructure
2 29 (14.80%) Active Directory
3 20 (10.20%) Hyper-V
4 12 (6.12%) Firmware
4 12 (6.12%) VMware ESX
5 10 (5.10%) XenApp
6 9 (4.59%) Virtual Servers
7 7 (3.57%) Terminal Services
8 6 (3.06%) iptables
8 6 (3.06%) pfSense
9 5 (2.55%) vSphere
10 3 (1.53%) Microsoft Virtual Server
11 2 (1.02%) VMware ESXi
Systems Management
1 28 (14.29%) Cisco CUCM
2 16 (8.16%) Cisco Prime
3 15 (7.65%) SolarWinds Orion
4 5 (2.55%) Cisco UCCE
5 4 (2.04%) Cisco UCCX
5 4 (2.04%) MobiControl
6 3 (1.53%) SCCM
6 3 (1.53%) SCOM
7 2 (1.02%) NetBackup
8 1 (0.51%) Nagios
8 1 (0.51%) XenMobile
Vendors
1 145 (73.98%) Cisco
2 53 (27.04%) Microsoft
3 48 (24.49%) VMware
4 44 (22.45%) Juniper
5 32 (16.33%) F5
6 20 (10.20%) Sonus
7 19 (9.69%) SolarWinds
8 18 (9.18%) Polycom
9 17 (8.67%) Palo Alto
10 15 (7.65%) Barracuda Networks
10 15 (7.65%) Citrix
11 13 (6.63%) Avaya
12 12 (6.12%) Cyberoam
13 11 (5.61%) CheckPoint
13 11 (5.61%) Mitel
14 10 (5.10%) HP
14 10 (5.10%) Meraki
15 9 (4.59%) CommVault
15 9 (4.59%) Dell Compellent
15 9 (4.59%) Nimble Storage
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