Job Role: Optical DWDM/CWDM Design Engineer

1. Optical Transmission Design Expertise

Strong experience in:

DWDM/CWDM/ROADM systems design

Optical network architectures (ring, mesh, point-to-point)

DWDM/CWDM/ROADM/OTN, vendor platforms (Ciena/Nokia/Infinera), design tools

Ability to

Produce LLDs/DDPs, BoM, and implementation-ready designs

Deep knowledge of

Optical technologies (OTN, WDM, mux/demux, amplifiers)

1. Optical Engineering Fundamentals

Solid understanding of: Optical budget calculations (OSNR, power loss, dispersion)

Experience in

Span engineering & path feasibility validation

Ability to

Ensure designs meet QoT (Quality of Transmission) standards
1. Spectrum & Capacity Planning

Experience with: Wavelength allocation & spectrum utilisation

Ability to

Perform capacity expansion and optimisation planning

Knowledge of

Spectrum fragmentation & defragmentation techniques
1. Multi-Layer Network Integration

Strong coordination across:

Optical Fibre IP/MPLS layers

Understanding of

Transport requirements driven by IP traffic

Experience aligning

Optical design with fibre routes and capacity constraints
1. Vendor & Platform Expertise

Hands-on experience with: Ciena, Nokia, Infinera optical platforms

Familiarity with

Vendor design tools and configuration templates

Ability to





Validate vendor designs and standards compliance
1. Design Validation & QA Awareness

Ability to: Perform design validation against standards and constraints

Experience in

QA of partner-delivered optical designs

Ensure

Design consistency, traceability & audit readiness
1. Tools & Automation

Familiarity with: Optical design and planning tools

Exposure to

Automation frameworks for design generation

Understanding of

AI/GenAI-assisted design workflows (preferred)
1. Lifecycle & Optimisation

Experience in: Network upgrades, modernisation & migrations

Ability to

Support network consolidation and optimisation programs

Knowledge of

Legacy system retirement (e.g., SDH)
1. Documentation & Governance

Ability to: Maintain as-built designs and engineering documentation

Strong adherence to

Design standards, regulatory and compliance requirements

Produce

Audit-ready design artefacts and reports
1. Functional Competencies

Strong analytical and engineering problem-solving skills

Ability to

Translate requirements accurate transport designs

Effective coordination with

Planning, fibre, build & operations teams

Focus on

First-time-right design & minimal rework

📌 Optical DWDM/CWDM Design Engineer (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru