The following table provides summary statistics for permanent job vacancies advertised in the South East 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 30 March 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
England / South East
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 380 418 430
Rank change year-on-year +38 +12  
Permanent jobs citing ISDN 13 36 31
As % of all permanent IT jobs advertised in the South East 0.087% 0.18% 0.15%
As % of the Communications & Networking category 0.44% 0.82% 0.68%
Number of salaries quoted 7 23 29
Median salary £50,000 £39,750 £45,000
Median salary % change year-on-year +25.78% -11.66%  
90% offered a salary of more than £41,000 £30,700 £27,700
10% offered a salary of more than £62,500 £49,250 £53,000
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 the South East with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
South East
Permanent job vacancies with a requirement for communications and computer networking skills 2936 4380 4586
As % of all permanent IT job vacancies advertised in the South East 19.59% 22.33% 21.98%
Number of salaries quoted 2385 3702 3512
Median salary £42,500 £45,000 £43,500
Median salary % change year-on-year -5.55% +3.44%  
90% offered a salary of more than £27,500 £28,500 £27,000
10% offered a salary of more than £62,500 £62,500 £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 the South East

The job posting trend of jobs advertised in the South East 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 the South East

ISDN
Salary Trend in the South East

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

Salary trend for ISDN in the South East

ISDN
Salary Histogram in the South East

The salary distribution of IT jobs citing ISDN in the South East over the 3 months to 30 March 2017.

Salary histogram for ISDN in the South East

ISDN
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the South East region over the 3 months to 30 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
Hampshire +22 7 £41,000 -2.38%
Berkshire +29 3 £45,000 -4.76%
West Sussex +7 3 £62,500 +25.00%
ISDN
England

For the 6 months to 30 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 South East region with a requirement for ISDN.

1 44 (97.78%) Cisco
2 43 (95.56%) LAN
3 38 (84.44%) Ethernet
4 36 (80.00%) MPLS
5 34 (75.56%) WAN
6 33 (73.33%) ITIL
6 33 (73.33%) Firewall
7 29 (64.44%) Juniper
7 29 (64.44%) DHCP
7 29 (64.44%) DNS
8 26 (57.78%) Data Centre
9 24 (53.33%) DSL
10 23 (51.11%) Cisco Certification
11 22 (48.89%) IPsec
11 22 (48.89%) HSRP
12 21 (46.67%) TCP/IP
13 20 (44.44%) SSL
13 20 (44.44%) Line Management
14 19 (42.22%) Management Information System
15 17 (37.78%) F5
15 17 (37.78%) Cisco Nexus
16 16 (35.56%) SC Cleared
16 16 (35.56%) Security Cleared
16 16 (35.56%) SolarWinds
17 15 (33.33%) Junos
17 15 (33.33%) Wireless
18 14 (31.11%) DDNS
18 14 (31.11%) TACACS
18 14 (31.11%) SAN
18 14 (31.11%) Cisco Prime

ISDN
Co-occurring IT Skills in the South East 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:

Communications & Networking
1 43 (95.56%) LAN
2 38 (84.44%) Ethernet
3 36 (80.00%) MPLS
4 34 (75.56%) WAN
5 33 (73.33%) Firewall
6 29 (64.44%) DHCP
6 29 (64.44%) DNS
7 24 (53.33%) DSL
8 22 (48.89%) HSRP
8 22 (48.89%) IPsec
9 21 (46.67%) TCP/IP
10 20 (44.44%) SSL
11 17 (37.78%) Cisco Nexus
12 15 (33.33%) Junos
12 15 (33.33%) Wireless
13 14 (31.11%) DDNS
13 14 (31.11%) SAN
13 14 (31.11%) TACACS
14 13 (28.89%) PSTN
15 12 (26.67%) ADSL
General
1 10 (22.22%) Finance
2 6 (13.33%) Military
3 1 (2.22%) Manufacturing
3 1 (2.22%) Retail
Job Titles
1 31 (68.89%) Network Engineer
2 15 (33.33%) Senior Network Engineer
3 10 (22.22%) Cisco Engineer
3 10 (22.22%) Cisco Network Engineer
3 10 (22.22%) NOC Technician
4 7 (15.56%) Juniper Engineer
4 7 (15.56%) VoIP Engineer
5 6 (13.33%) Cisco VoIP Engineer
5 6 (13.33%) LAN Engineer
5 6 (13.33%) LAN/WAN Engineer
5 6 (13.33%) Senior Cisco Engineer
5 6 (13.33%) Senior Cisco Network Engineer
5 6 (13.33%) Senior Cisco VoIP Engineer
5 6 (13.33%) Senior LAN/WAN Engineer
5 6 (13.33%) Senior VoIP Engineer
5 6 (13.33%) WAN Engineer
5 6 (13.33%) WLAN Engineer
6 3 (6.67%) DV Cleared Network Engineer
6 3 (6.67%) SC Cleared Network Engineer
7 1 (2.22%) Linux Scripter
Libraries, Frameworks & Software Standards
1 11 (24.44%) 802.1X
Miscellaneous
1 26 (57.78%) Data Centre
2 19 (42.22%) Management Information System
3 11 (24.44%) Driving Licence
4 8 (17.78%) PKI
5 4 (8.89%) e-Health
6 1 (2.22%) Analytical Skills
6 1 (2.22%) Computer Science
6 1 (2.22%) Handset
6 1 (2.22%) Linux Command Line
Operating Systems
1 11 (24.44%) Windows
2 2 (4.44%) Linux
3 1 (2.22%) Unix
Processes & Methodologies
1 33 (73.33%) ITIL
2 20 (44.44%) Line Management
3 14 (31.11%) Network Management
4 13 (28.89%) Network Design
5 11 (24.44%) Adaptive Security
5 11 (24.44%) GAP Analysis
5 11 (24.44%) Information Assurance
5 11 (24.44%) Information Security
5 11 (24.44%) Penetration Testing
5 11 (24.44%) SIEM
5 11 (24.44%) Technical Architecture
5 11 (24.44%) Vulnerability Management
6 10 (22.22%) B2B
6 10 (22.22%) Change Management
6 10 (22.22%) Incident Management
6 10 (22.22%) Performance Monitoring
6 10 (22.22%) Risk Management
6 10 (22.22%) Security Operations
6 10 (22.22%) Statistical Analysis
7 9 (20.00%) Load Balancing
Programming Languages
1 1 (2.22%) Bash Shell
1 1 (2.22%) Perl
1 1 (2.22%) PHP
1 1 (2.22%) Python
1 1 (2.22%) SQL
Qualifications
1 23 (51.11%) Cisco Certification
2 16 (35.56%) SC Cleared
2 16 (35.56%) Security Cleared
3 11 (24.44%) GCIH
3 11 (24.44%) GIAC
4 6 (13.33%) CCNA
5 5 (11.11%) JNCIA
5 5 (11.11%) JNCIE
5 5 (11.11%) JNCIP
5 5 (11.11%) JNCIS
6 4 (8.89%) DV Cleared
7 2 (4.44%) CCIE
7 2 (4.44%) CCNP
8 1 (2.22%) Degree
Quality Assurance & Compliance
1 11 (24.44%) PCI DSS
2 8 (17.78%) SLA
3 1 (2.22%) ISO 9001
3 1 (2.22%) ISO/IEC 27001
System Software
1 11 (24.44%) Firmware
Systems Management
1 14 (31.11%) Cisco Prime
1 14 (31.11%) SolarWinds Orion
Vendors
1 44 (97.78%) Cisco
2 29 (64.44%) Juniper
3 17 (37.78%) F5
4 16 (35.56%) SolarWinds
5 11 (24.44%) Barracuda Networks
5 11 (24.44%) Palo Alto
6 2 (4.44%) CheckPoint
6 2 (4.44%) Mitel
6 2 (4.44%) Riverbed
7 1 (2.22%) Acme Packet
7 1 (2.22%) BroadSoft
7 1 (2.22%) Forcepoint
7 1 (2.22%) Oracle
7 1 (2.22%) Polycom
7 1 (2.22%) Sonus