Dense Wave Division Multiplexing (DWDM)
UK

The following table provides summary statistics for permanent job vacancies with a requirement for DWDM skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DWDM over the 6 months to 9 December 2023 with a comparison to the same period in the previous 2 years.

6 months to
9 Dec 2023
Same period 2022 Same period 2021
Rank 726 1045 1034
Rank change year-on-year +319 -11 -295
Permanent jobs citing DWDM 3 33 36
As % of all permanent jobs advertised in the UK 0.006% 0.027% 0.028%
As % of the Communications & Networking category 0.038% 0.22% 0.22%
Number of salaries quoted 1 28 26
10th Percentile - £37,500 £34,625
25th Percentile £41,250 £39,000 £38,000
Median annual salary (50th Percentile) £42,500 £46,000 £44,500
Median % change year-on-year -7.61% +3.37% -34.07%
75th Percentile £43,750 £52,500 £57,500
90th Percentile - £55,000 £70,000
UK excluding London median annual salary - £50,000 £55,000
% change year-on-year - -9.09% -18.52%

All Communications and Computer Networking Skills
UK

DWDM 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 with a requirement for communications or computer networking skills.

Permanent vacancies with a requirement for communications or computer networking skills 7,927 15,194 16,509
As % of all permanent jobs advertised in the UK 15.20% 12.40% 12.93%
Number of salaries quoted 6,195 10,339 11,513
10th Percentile £26,500 £28,625 £27,500
25th Percentile £34,000 £37,500 £36,250
Median annual salary (50th Percentile) £50,000 £52,500 £50,000
Median % change year-on-year -4.76% +5.00% -
75th Percentile £67,500 £72,500 £70,000
90th Percentile £85,000 £88,750 £85,000
UK excluding London median annual salary £45,000 £46,000 £45,000
% change year-on-year -2.17% +2.22% -

DWDM
Job Vacancy Trend

Job postings citing DWDM as a proportion of all IT jobs advertised.

Job vacancy trend for DWDM in the UK

DWDM
Salary Trend

3-month moving average salary quoted in jobs citing DWDM.

Salary trend for DWDM in the UK

DWDM
Top 3 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing DWDM within the UK over the 6 months to 9 December 2023. 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
Jobs
England +322 3 £42,500 -7.61% 10
Work from Home +259 3 £42,500 +6.25% 5
London +260 2 - - 1

DWDM
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (33.33%) OpenStack
Applications
1 2 (66.67%) Microsoft Office
2 1 (33.33%) Microsoft Excel
Cloud Services
1 1 (33.33%) GCP
Communications & Networking
1 3 (100.00%) Ethernet
2 2 (66.67%) SDH
2 2 (66.67%) SONET
3 1 (33.33%) BGP
3 1 (33.33%) Firewall
3 1 (33.33%) GPON
3 1 (33.33%) MPLS
3 1 (33.33%) OSPF
3 1 (33.33%) WAN
Database & Business Intelligence
1 1 (33.33%) Apache Cassandra
1 1 (33.33%) MySQL
Development Applications
1 1 (33.33%) Postman
General
1 2 (66.67%) Finance
1 2 (66.67%) Telecoms
Job Titles
1 2 (66.67%) Fibre Engineer
1 2 (66.67%) Support Engineer
2 1 (33.33%) Cloud Engineer
2 1 (33.33%) Network Engineer
2 1 (33.33%) Network Operations Engineer
2 1 (33.33%) Operations Engineer
2 1 (33.33%) Switch Engineer
Libraries, Frameworks & Software Standards
1 1 (33.33%) Kafka
1 1 (33.33%) RESTful
1 1 (33.33%) Swagger
1 1 (33.33%) WebSockets
Miscellaneous
1 2 (66.67%) Fibre Optics
2 1 (33.33%) Management Information System
Operating Systems
1 1 (33.33%) Linux
1 1 (33.33%) Unix
Processes & Methodologies
1 2 (66.67%) Computer Science
1 2 (66.67%) Mentoring
1 2 (66.67%) Network Management
1 2 (66.67%) Network Planning
1 2 (66.67%) Problem-Solving
1 2 (66.67%) Product Management
1 2 (66.67%) Project Management
2 1 (33.33%) Customer Service
2 1 (33.33%) ITIL
2 1 (33.33%) Kalman Filter
2 1 (33.33%) Microservices
2 1 (33.33%) Open Source
2 1 (33.33%) Time Management
Programming Languages
1 1 (33.33%) Python
Qualifications
1 2 (66.67%) Degree
Quality Assurance & Compliance
1 2 (66.67%) QA
System Software
1 1 (33.33%) Docker
1 1 (33.33%) VMware ESXi
1 1 (33.33%) VMware Infrastructure
Systems Management
1 1 (33.33%) Ansible
1 1 (33.33%) Grafana
1 1 (33.33%) Nagios
Vendors
1 2 (66.67%) Microsoft
2 1 (33.33%) Dell
2 1 (33.33%) Oracle
2 1 (33.33%) Sun
2 1 (33.33%) VMware