The following table provides summary statistics for permanent job vacancies advertised in Leeds 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 24 June 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 155 - 180
Rank change year-on-year - 0  
Permanent jobs citing ISDN 3 0 2
As % of all permanent IT jobs advertised in Leeds 0.12% - 0.061%
As % of the Communications & Networking category 0.86% - 0.35%
Number of salaries quoted 3 0 2
Median salary £41,500 - £32,500
UK excluding London median salary £41,500 £42,500 £50,000
% change year-on-year -2.35% -15.00%  

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 Leeds with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Leeds
Permanent job vacancies with a requirement for communications and computer networking skills 349 441 568
As % of all permanent IT job vacancies advertised in Leeds 13.92% 15.08% 17.21%
Number of salaries quoted 272 363 477
Median salary £42,500 £40,000 £45,000
Median salary % change year-on-year +6.25% -11.11%  
90% offered a salary of more than £25,000 £27,500 £30,000
10% offered a salary of more than £60,000 £60,000 £55,000
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

ISDN
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds 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 Leeds

ISDN
Salary Trend in Leeds

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

Salary trend for ISDN in Leeds

For the 6 months to 24 June 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 Leeds region with a requirement for ISDN.

1 9 (90.00%) SQL Server
1 9 (90.00%) Unix
1 9 (90.00%) Windows
1 9 (90.00%) Linux
1 9 (90.00%) SharePoint
1 9 (90.00%) VoIP
1 9 (90.00%) VPN
1 9 (90.00%) Microsoft
1 9 (90.00%) Active Directory
1 9 (90.00%) Citrix
1 9 (90.00%) SAN
1 9 (90.00%) CommVault
1 9 (90.00%) Disaster Recovery
1 9 (90.00%) VMware
1 9 (90.00%) Clustering
1 9 (90.00%) Hyper-V
1 9 (90.00%) VMware Infrastructure
1 9 (90.00%) Microsoft Azure
1 9 (90.00%) Change Control
1 9 (90.00%) Skype for Business
1 9 (90.00%) Data Centre
1 9 (90.00%) Windows Server
2 6 (60.00%) Presales
2 6 (60.00%) Dell Compellent
2 6 (60.00%) Nimble Storage
2 6 (60.00%) Service Delivery
2 6 (60.00%) Exchange Server 2013
2 6 (60.00%) Exchange Server 2010
2 6 (60.00%) SQL Server 2012
2 6 (60.00%) Windows Server 2012

ISDN
Co-occurring IT Skills in Leeds 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 9 (90.00%) SharePoint
1 9 (90.00%) Skype for Business
2 6 (60.00%) Exchange Server 2007
2 6 (60.00%) Exchange Server 2010
2 6 (60.00%) Exchange Server 2013
2 6 (60.00%) MS Exchange
3 3 (30.00%) IIS
3 3 (30.00%) Office Communications Server
3 3 (30.00%) SharePoint 2010
3 3 (30.00%) SharePoint 2013
Applications
1 3 (30.00%) Microsoft Office
Cloud Services
1 9 (90.00%) Microsoft Azure
2 3 (30.00%) Amazon AWS
Communications & Networking
1 9 (90.00%) SAN
1 9 (90.00%) VoIP
1 9 (90.00%) VPN
2 6 (60.00%) NAS
3 3 (30.00%) DHCP
3 3 (30.00%) DNS
3 3 (30.00%) LAN
4 1 (10.00%) IP Telephony
Database & Business Intelligence
1 9 (90.00%) SQL Server
2 6 (60.00%) SQL Server 2005
2 6 (60.00%) SQL Server 2008
2 6 (60.00%) SQL Server 2012
3 3 (30.00%) Amazon RDS
General
1 3 (30.00%) Legal
2 1 (10.00%) Finance
Job Titles
1 9 (90.00%) Technical Engineer
2 6 (60.00%) Active Directory Engineer
2 6 (60.00%) Citrix Engineer
2 6 (60.00%) Citrix Server Engineer
2 6 (60.00%) Exchange Engineer
2 6 (60.00%) SAN Engineer
2 6 (60.00%) Senior Active Directory Engineer
2 6 (60.00%) Senior Citrix Engineer
2 6 (60.00%) Senior Exchange Engineer
2 6 (60.00%) Senior Technical Engineer
2 6 (60.00%) Senior VMware Engineer
2 6 (60.00%) VMware Engineer
3 3 (30.00%) Operations Engineer
3 3 (30.00%) Technical Operations Engineer
4 1 (10.00%) Cisco Voice Engineer
4 1 (10.00%) Senior Cisco Engineer
4 1 (10.00%) Senior Cisco Network Engineer
4 1 (10.00%) Senior Voice Network Engineer
4 1 (10.00%) Voice Engineer
4 1 (10.00%) Voice Network Engineer
Miscellaneous
1 9 (90.00%) Clustering
1 9 (90.00%) Data Centre
2 3 (30.00%) PKI
Operating Systems
1 9 (90.00%) Linux
1 9 (90.00%) Unix
1 9 (90.00%) Windows
1 9 (90.00%) Windows Server
2 6 (60.00%) Windows Server 2003
2 6 (60.00%) Windows Server 2008
2 6 (60.00%) Windows Server 2012
Processes & Methodologies
1 9 (90.00%) Change Control
1 9 (90.00%) Disaster Recovery
2 6 (60.00%) Presales
2 6 (60.00%) Service Delivery
2 6 (60.00%) Technical Architecture
3 3 (30.00%) Capacity Planning
3 3 (30.00%) DevOps
3 3 (30.00%) Infrastructure Monitoring
3 3 (30.00%) ITIL
3 3 (30.00%) Proactive Monitoring
4 1 (10.00%) Incident Management
4 1 (10.00%) Migration
4 1 (10.00%) Root Cause Analysis
Qualifications
1 3 (30.00%) MCP
1 3 (30.00%) MCSE
1 3 (30.00%) Microsoft Certification
1 3 (30.00%) SC Cleared
1 3 (30.00%) Security Cleared
2 1 (10.00%) CCNA
2 1 (10.00%) CCNP
2 1 (10.00%) Cisco Certification
Quality Assurance & Compliance
1 3 (30.00%) SLA
System Software
1 9 (90.00%) Active Directory
1 9 (90.00%) Hyper-V
1 9 (90.00%) VMware Infrastructure
2 6 (60.00%) XenApp
3 3 (30.00%) VMware ESXi
3 3 (30.00%) vSphere
3 3 (30.00%) XenDesktop
Systems Management
1 3 (30.00%) Microsoft Data Protection Manager
1 3 (30.00%) SCOM
1 3 (30.00%) ServiceCenter
2 1 (10.00%) Cisco CUCM
2 1 (10.00%) Cisco UCCE
Vendors
1 9 (90.00%) Citrix
1 9 (90.00%) CommVault
1 9 (90.00%) Microsoft
1 9 (90.00%) VMware
2 6 (60.00%) Civica
2 6 (60.00%) Dell Compellent
2 6 (60.00%) NetApp
2 6 (60.00%) Nimble Storage
3 4 (40.00%) Cisco
4 3 (30.00%) Dell
4 3 (30.00%) HP
4 3 (30.00%) Huawei
4 3 (30.00%) Veeam