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Core42

Senior Engineer - Transmission Network

Core42
United Arab Emirates · Full-time · Mid-Senior

Role: The Senior Engineer – Transmission Network participates in design and leads implementation of Core42 DC Interconnect (DCI), including Optical Transport Networking (OTN) and Dense Wavelength-division Multiplexing infrastructure ensuring solution reliability and performance.

The Senior Engineer – Transmission Network optimizes traffic patterns and deployment processes across OTN, and controls efficient utilization of DWDM hardware resources.


Skills and Qualifications:


  • Bachelor’s or Master’s degree in Electrical/Electronics/Telecom Engineering.
  • 5+ years’ experience in DWDM/OTN technology.
  • Experience in cloud industry and Service Provider environment is highly desirable.
  • Extensive experience in DCI network implementation and operations.
  • Expert level knowledge in DWDM/OTN network technologies.
  • Expert level certificate from Vendors like Ciena, Nokia, etc. is a plus.
  • Expertise in basic planning, implementation & troubleshooting of DWDM/OTN networks including MS-OTN but not limited to Flex Grid, Super-Channels, Coherent Optical Transmission, CDC, Layer 1 Encryption.
  • Experience in implementation & troubleshooting of Fiber Cable (Outdoor/Indoor).
  • Expert in using testing equipment (OSA, Ethernet Analyzer, OTDR, OLS/PM, etc).
  • Knowledge about Data Centers and their Interconnect requirements.
  • Team player, self-motivated, willing to learn, result oriented, willing to share knowledge.
  • GCC Driving license is highly desirable.


Duties and Responsibilities:


  • Revise DWDM/OTN network expansions HLD/LLD, create implementation plans and assist with completing changes in production environments.
  • Design of WAN/LAN scalable network solutions including Wavelengths selection, Mux/Transponders, Amplifiers etc.
  • Create presentations and present DWDM/OTN solutions to customers.
  • Validate and approve configuration baseline templates for deployments and security hardening guides (i.e. encryption) as per the best practices.
  • Communicate with internal clients/WAN Service Providers to provide the optimal WAN architecture for Platform or Client needs.
  • Prepare and review User Acceptance Test documents, assist with complex tests (e.g. high availability tests between DCs).
  • Plan complex change requests, maintenance windows and deployments which includes vital network traffic flows (i.e. node upgrades, client service migrations etc.).
  • Monitor network performance indicators and recommend enhancements by performing gap analysis, identifying alternative solutions and offer actionable improvement plans.
  • Provide L3 support by serving as the final tier for resolving issues escalated from Level 2 support teams, conducting thorough problem analysis, and communicating effectively with vendor technical support.
  • Accountable for the timely delivery of projects/tasks; in the event of anticipated delays, responsible for escalating to a senior colleague, team lead, or Project Management Office (PMO).
  • Maintain network changes documents and control quality of all network-related documentation.
  • Being ready to work in office and Data Centers.
  • Collaborate with security management teams to ensure that solutions components are safe and secure against cybersecurity threats.
  • Work closely with process management and operational teams and contribute to process development standardizing collaboration framework and improving collaboration efficiency.

Key Skills

Ranked by relevance

high availability cybersecurity ethernet cloud wan
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Posted
Jun 19, 2025
Type
Full-time
Level
Mid-Senior
Location
Abu Dhabi Emirate
Company
Core42

Industries

IT Services IT Consulting

Categories

Information Technology Engineering

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