The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for DSL skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DSL over the 3 months to 24 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Digital Subscriber Line (DSL)
East of England / Hertfordshire
Rank - 154 143
Permanent jobs citing DSL 0 2 14
As % of all permanent IT jobs advertised in Hertfordshire - 0.078% 0.61%
As % of the Communications & Networking category - 0.34% 2.46%
Number of salaries quoted 0 2 6
Median salary - £35,000 £42,500
Median salary % change year-on-year - -17.64%  
UK excluding London median salary £40,000 £28,750 £40,500
% change year-on-year +39.13% -29.01%  

DSL 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 Hertfordshire with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Hertfordshire
Permanent job vacancies with a requirement for communications and computer networking skills 363 581 568
As % of all permanent IT job vacancies advertised in Hertfordshire 16.51% 22.59% 24.56%
Number of salaries quoted 257 463 420
Median salary £45,000 £40,000 £42,500
Median salary % change year-on-year +12.50% -5.88%  
90% offered a salary of more than £24,500 £25,000 £24,000
10% offered a salary of more than £60,000 £62,500 £65,000
UK excluding London median salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.65%  

DSL
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for DSL in Hertfordshire

DSL
Salary Trend in Hertfordshire

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

Salary trend for DSL in Hertfordshire

DSL
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 24 March 2017, IT jobs citing DSL 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 Hertfordshire region with a requirement for DSL.

1 1 (100.00%) Perl
1 1 (100.00%) Unix
1 1 (100.00%) Linux
1 1 (100.00%) ADSL
1 1 (100.00%) Broadband
1 1 (100.00%) ISDN
1 1 (100.00%) LAN
1 1 (100.00%) PBX
1 1 (100.00%) PSTN
1 1 (100.00%) VoIP
1 1 (100.00%) DHCP
1 1 (100.00%) Ethernet
1 1 (100.00%) HTTP
1 1 (100.00%) TCP/IP
1 1 (100.00%) DNS
1 1 (100.00%) HTTPS
1 1 (100.00%) SLA
1 1 (100.00%) CCNP
1 1 (100.00%) CCNA
1 1 (100.00%) Cisco Certification
1 1 (100.00%) Internet
1 1 (100.00%) MPLS
1 1 (100.00%) BGP
1 1 (100.00%) RTP
1 1 (100.00%) SCCP
1 1 (100.00%) JNCIA
1 1 (100.00%) JNCIP
1 1 (100.00%) VLAN
1 1 (100.00%) Wireshark
1 1 (100.00%) Bash Shell

DSL
Top Related IT Skills in Hertfordshire 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 1 (100.00%) ADSL
1 1 (100.00%) BGP
1 1 (100.00%) Broadband
1 1 (100.00%) DHCP
1 1 (100.00%) Ethernet
1 1 (100.00%) HTTP
1 1 (100.00%) Internet
1 1 (100.00%) ISDN
1 1 (100.00%) LAN
1 1 (100.00%) MPLS
1 1 (100.00%) PBX
1 1 (100.00%) PSTN
1 1 (100.00%) Remote Desktop
1 1 (100.00%) RTP
1 1 (100.00%) SCCP
1 1 (100.00%) TCP/IP
1 1 (100.00%) Unified Communications
1 1 (100.00%) VLAN
1 1 (100.00%) VoIP
1 1 (100.00%) Wireshark
Job Titles
1 1 (100.00%) NOC Engineer
1 1 (100.00%) Technical Engineer
Miscellaneous
1 1 (100.00%) Analytical Skills
Operating Systems
1 1 (100.00%) Linux
1 1 (100.00%) Unix
Processes & Methodologies
1 1 (100.00%) Root Cause Analysis
1 1 (100.00%) Ticket Management
Programming Languages
1 1 (100.00%) Bash Shell
1 1 (100.00%) Perl
Qualifications
1 1 (100.00%) CCNA
1 1 (100.00%) CCNP
1 1 (100.00%) Cisco Certification
1 1 (100.00%) JNCIA
1 1 (100.00%) JNCIP
Quality Assurance & Compliance
1 1 (100.00%) SLA