Period
to 21 November 2017

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 6 months to 21 November 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
UK > England
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 1032 992 1120
Rank change year-on-year -40 +128 -119
Permanent jobs citing ISDN 142 207 161
As % of all permanent IT jobs advertised in England 0.084% 0.12% 0.079%
As % of the Communications & Networking category 0.53% 0.68% 0.47%
Number of salaries quoted 107 162 142
England median annual salary £47,500 £45,000 £42,500
Median salary % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £26,250 £26,525 £20,525
90th Percentile £67,500 £63,625 £65,875
UK median annual salary £46,250 £45,000 £42,500
% change year-on-year +2.78% +5.88% +6.25%

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

All Communications and Computer Networking Skills
England
Permanent vacancies with a requirement for communications or computer networking skills 26657 30344 34401
As % of all permanent IT jobs advertised in England 15.72% 17.02% 16.83%
Number of salaries quoted 21717 25034 28616
England median annual salary £45,000 £45,000 £45,000
10th Percentile £25,750 £26,000 £25,000
90th Percentile £72,500 £72,500 £72,000
UK median annual salary £45,000 £45,000 £45,000

ISDN
Job Vacancy Trend in England

Job postings citing ISDN as a percentage of all IT jobs advertised in England.

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 6 months to 21 November 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 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +15 56 £54,250 +3.33% 3
South East +22 42 £40,000 -22.33% 4
East of England -24 14 £35,000 -17.65%
North of England +4 12 £37,500 - 1
Midlands +36 11 £37,000 -12.94% 2
South West +18 8 £60,000 -
North West -8 8 £27,500 -15.38% 1
West Midlands +12 6 £29,000 +5.45% 2
East Midlands +43 5 £45,000 +5.88%
Yorkshire +22 4 £41,500 +10.67%
ISDN
UK

For the 6 months to 21 November 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 75 (52.82%) VoIP
2 71 (50.00%) Firewall
3 65 (45.77%) LAN
4 64 (45.07%) WAN
5 60 (42.25%) Cisco
6 58 (40.85%) ITIL
7 56 (39.44%) MPLS
8 53 (37.32%) Active Directory
9 52 (36.62%) Windows
10 51 (35.92%) DNS
11 49 (34.51%) Microsoft
12 43 (30.28%) Linux
12 43 (30.28%) Windows Server
13 40 (28.17%) Data Centre
13 40 (28.17%) Cisco Certification
14 37 (26.06%) Skype for Business
15 36 (25.35%) DHCP
16 35 (24.65%) VPN
16 35 (24.65%) VMware
17 33 (23.24%) Telecoms
17 33 (23.24%) VMware Infrastructure
17 33 (23.24%) MS Exchange
18 32 (22.54%) Wi-Fi
19 30 (21.13%) PBX
19 30 (21.13%) Unified Communications
20 29 (20.42%) TCP/IP
20 29 (20.42%) SAN
20 29 (20.42%) Windows Server 2008
21 28 (19.72%) SQL
22 26 (18.31%) SLA

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 37 (26.06%) Skype for Business
2 33 (23.24%) MS Exchange
3 20 (14.08%) IIS
4 7 (4.93%) CMS
4 7 (4.93%) Exchange Server 2010
4 7 (4.93%) SharePoint
5 6 (4.23%) Office Communications Server
6 4 (2.82%) Exchange Server 2013
7 3 (2.11%) SharePoint 2010
7 3 (2.11%) SharePoint 2013
8 2 (1.41%) Exchange Server 2007
9 1 (0.70%) SharePoint Server
Applications
1 22 (15.49%) Microsoft Office
Cloud Services
1 23 (16.20%) Office 365
2 16 (11.27%) PaaS
3 9 (6.34%) Amazon AWS
3 9 (6.34%) Slack
4 5 (3.52%) Microsoft Azure
5 1 (0.70%) IaaS
5 1 (0.70%) SaaS
Communications & Networking
1 75 (52.82%) VoIP
2 71 (50.00%) Firewall
3 65 (45.77%) LAN
4 64 (45.07%) WAN
5 56 (39.44%) MPLS
6 51 (35.92%) DNS
7 36 (25.35%) DHCP
8 35 (24.65%) VPN
9 32 (22.54%) Wi-Fi
10 30 (21.13%) PBX
10 30 (21.13%) Unified Communications
11 29 (20.42%) SAN
11 29 (20.42%) TCP/IP
12 26 (18.31%) DSL
13 25 (17.61%) Skype
14 24 (16.90%) Wireless
15 23 (16.20%) Cisco ASA
16 22 (15.49%) Ethernet
16 22 (15.49%) VLAN
17 21 (14.79%) IPsec
Database & Business Intelligence
1 9 (6.34%) OLAP
2 7 (4.93%) SQL Server
3 3 (2.11%) Amazon RDS
3 3 (2.11%) SQL Server 2008
3 3 (2.11%) SQL Server 2012
4 2 (1.41%) SQL Server 2005
Development Applications
1 1 (0.70%) MSI
General
1 33 (23.24%) Telecoms
2 15 (10.56%) Retail
3 13 (9.15%) Games
4 10 (7.04%) Finance
5 8 (5.63%) Marketing
6 4 (2.82%) Billing
6 4 (2.82%) Legal
7 1 (0.70%) Advertising
7 1 (0.70%) Electronics
Job Titles
1 31 (21.83%) Network Engineer
2 30 (21.13%) Support Engineer
3 26 (18.31%) 3rd Line Engineer
4 15 (10.56%) 3rd Line Support
4 15 (10.56%) Consultant
4 15 (10.56%) Infrastructure Engineer
4 15 (10.56%) Senior Network Engineer
5 14 (9.86%) 3rd Line Support Engineer
6 12 (8.45%) Office 365 Engineer
7 11 (7.75%) Infrastructure Support
8 10 (7.04%) 3rd Line Infrastructure Engineer
8 10 (7.04%) 3rd Line Network Engineer
8 10 (7.04%) Infrastructure Support Engineer
9 9 (6.34%) Lync Engineer
9 9 (6.34%) Software Engineer
9 9 (6.34%) Technology Consultant
10 8 (5.63%) 3rd Line Infrastructure Support
10 8 (5.63%) Active Directory Engineer
10 8 (5.63%) Active Directory Support
10 8 (5.63%) Juniper Engineer
Libraries, Frameworks & Software Standards
1 7 (4.93%) Web Services
2 6 (4.23%) XMPP
3 3 (2.11%) 802.1X
4 1 (0.70%) REST
Miscellaneous
1 40 (28.17%) Data Centre
2 14 (9.86%) Computer Science
2 14 (9.86%) Management Information System
2 14 (9.86%) PKI
3 10 (7.04%) Video Conferencing
4 9 (6.34%) Cyber Attack
5 6 (4.23%) Clustering
6 3 (2.11%) Handset
7 2 (1.41%) Analytical Skills
7 2 (1.41%) Driving Licence
7 2 (1.41%) Fat Client
7 2 (1.41%) Linux Command Line
7 2 (1.41%) Thin Client
8 1 (0.70%) Digital Signage
8 1 (0.70%) Media Streaming
8 1 (0.70%) User Experience
Operating Systems
1 52 (36.62%) Windows
2 43 (30.28%) Linux
2 43 (30.28%) Windows Server
3 29 (20.42%) Windows Server 2008
4 26 (18.31%) Windows Server 2012
5 19 (13.38%) Windows Server 2003
6 15 (10.56%) Red Hat Enterprise Linux
7 12 (8.45%) Unix
8 5 (3.52%) Windows 7
9 3 (2.11%) Windows XP
10 1 (0.70%) CentOS
10 1 (0.70%) Ubuntu
10 1 (0.70%) Windows 10
10 1 (0.70%) Windows 8
10 1 (0.70%) Windows Vista
Processes & Methodologies
1 58 (40.85%) ITIL
2 24 (16.90%) Network Design
3 16 (11.27%) Coaching
3 16 (11.27%) Load Balancing
3 16 (11.27%) Mentoring
4 15 (10.56%) E-Commerce
4 15 (10.56%) Proactive Monitoring
5 14 (9.86%) Change Control
6 12 (8.45%) Presales
7 11 (7.75%) Adaptive Security
7 11 (7.75%) Disaster Recovery
7 11 (7.75%) Information Management
7 11 (7.75%) Operations Management
8 10 (7.04%) Cybersecurity
8 10 (7.04%) Project Management
8 10 (7.04%) Software Engineering
9 9 (6.34%) Business Continuity
10 8 (5.63%) Kalman Filter
10 8 (5.63%) Mathematics
10 8 (5.63%) Web Filtering
Programming Languages
1 28 (19.72%) SQL
2 14 (9.86%) C
3 11 (7.75%) C#
4 10 (7.04%) Java
5 6 (4.23%) PowerShell
6 2 (1.41%) C++
6 2 (1.41%) Python
7 1 (0.70%) Bash Shell
Qualifications
1 40 (28.17%) Cisco Certification
2 19 (13.38%) CCNA
2 19 (13.38%) Degree
3 16 (11.27%) Microsoft Certification
4 15 (10.56%) CCIE
5 13 (9.15%) CCNP
5 13 (9.15%) MCSE
6 11 (7.75%) Security Cleared
7 8 (5.63%) MCITP
7 8 (5.63%) SC Cleared
8 7 (4.93%) ITIL Certification
9 6 (4.23%) MCP
10 5 (3.52%) VMware Certified Professional (VCP)
11 4 (2.82%) Computer Science Degree
12 3 (2.11%) DV Cleared
13 2 (1.41%) CCA
13 2 (1.41%) CCAA
13 2 (1.41%) Citrix Certification
13 2 (1.41%) HND
13 2 (1.41%) MCTS
Quality Assurance & Compliance
1 26 (18.31%) SLA
2 9 (6.34%) ISO/IEC 27001
3 3 (2.11%) PCI DSS
4 1 (0.70%) QA
System Software
1 53 (37.32%) Active Directory
2 33 (23.24%) VMware Infrastructure
3 19 (13.38%) VMware ESXi
4 15 (10.56%) Terminal Services
5 8 (5.63%) vSphere
6 7 (4.93%) Hyper-V
7 4 (2.82%) Firmware
7 4 (2.82%) XenApp
8 3 (2.11%) Microsoft Virtual Server
8 3 (2.11%) Virtual Servers
8 3 (2.11%) XenDesktop
9 1 (0.70%) Virtual Machines
Systems Management
1 18 (12.68%) Cisco CUCM
2 15 (10.56%) WSUS
3 11 (7.75%) Cisco Prime
3 11 (7.75%) SolarWinds Orion
4 7 (4.93%) FortiGate
5 5 (3.52%) SCCM
5 5 (3.52%) SCOM
6 4 (2.82%) Backup Exec
7 3 (2.11%) Microsoft Data Protection Manager
7 3 (2.11%) ServiceCenter
8 2 (1.41%) NetBackup
8 2 (1.41%) Netcool
8 2 (1.41%) vCenter Server
8 2 (1.41%) XenMobile
9 1 (0.70%) CA Spectrum
9 1 (0.70%) DameWare
9 1 (0.70%) Perfmon
Vendors
1 60 (42.25%) Cisco
2 49 (34.51%) Microsoft
3 35 (24.65%) VMware
4 22 (15.49%) Avaya
5 19 (13.38%) Juniper
6 17 (11.97%) SolarWinds
7 13 (9.15%) CheckPoint
8 12 (8.45%) F5
9 11 (7.75%) Barracuda Networks
9 11 (7.75%) Palo Alto
10 10 (7.04%) Blue Coat
11 9 (6.34%) Apple
11 9 (6.34%) IronPort
11 9 (6.34%) NetApp
12 8 (5.63%) Forcepoint
13 7 (4.93%) Citrix
13 7 (4.93%) Meraki
13 7 (4.93%) Sourcefire
14 6 (4.23%) IPFX
14 6 (4.23%) Veeam