OTN Developer

Capgemini; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Capgemini is seeking an OTN Developer to architect, develop, and integrate software for optical transport platforms. You will collaborate with hardware, system and product teams to deliver carrier-grade networking solutions.

You will design and develop software for OTN, DWDM, SONET, and SDH-based platforms, implement Open ROADM-aligned networking solutions, and ensure quality, performance, and scalability in embedded networking applications.

Qualifications

• Architect-level experience in telecom or optical networking.
• Strong programming expertise in C/C++ (mandatory).
• Hands-on experience with DWDM, SONET, SDH, and OTN technologies.
• Strong understanding of Open ROADM specifications and YANG models.
• Experience working with hardware interfaces including I2C, SPI, PCIe, GPIO, SerDes, SGMII.

Responsibilities

• Design and develop software for OTN, DWDM, SONET, and SDH-based platforms.
• Architect and implement networking solutions aligned with Open ROADM specifications.
• Develop and maintain software using C/C++ for embedded and networking applications.
• Work with YANG models for network management and configuration.
• Integrate and debug hardware interfaces such as I2C, SPI, PCIe, GPIO, SerDes, and SGMII.
• Collaborate with system architects and cross-functional teams during design and integration phases.
• Analyze and resolve complex software and networking issues.
• Participate in architecture reviews, technical discussions, and design decisions.
• Ensure software quality, scalability, and performance for carrier-grade deployments.

Skills

C/C++ programming

Embedded software development

Open ROADM & YANG knowledge

DWDM/SONET/SDH/OTN technologies

Networking concepts (L2/L3)

Tools

I2C

SPI

PCIe

GPIO

SerDes

SGMII

Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way youd like, where youll be supported and inspired bya collaborative community of colleagues around the world, and where youll be able to reimagine whats possible. Join us and help the worlds leading organizations

Your Role

As an OTN Developer, you will be responsible for architecting, developing, and integrating software solutions for optical transport platforms. You will work closely with hardware, system, and product teams to deliver carrier-grade networking solutions and drive innovation in optical communication technologies.

• Design and develop software for OTN, DWDM, SONET, and SDH-based platforms.
• Architect and implement networking solutions aligned with Open ROADM specifications.
• Develop and maintain software using C/C++ for embedded and networking applications.
• Work with YANG models for network management and configuration.
• Integrate and debug hardware interfaces such as I2C, SPI, PCIe, GPIO, SerDes, and SGMII.
• Collaborate with system architects and cross-functional teams during design and integration phases.
• Analyze and resolve complex software and networking issues.
• Participate in architecture reviews, technical discussions, and design decisions.
• Ensure software quality, scalability, and performance for carrier-grade deployments.

Your Profile

• Architect-level experience in telecom or optical networking domains.
• Strong programming expertise in C/C++ (Mandatory).
• Hands-on experience with DWDM, SONET, SDH, and OTN technologies.
• Strong understanding of Open ROADM specifications and YANG models.
• Experience working with hardware interfaces including:
  • I2C
  • SPI
  • PCIe
  • GPIO
  • SerDes
  • SGMII
• Strong knowledge of embedded software development and system integration.
• Excellent debugging, analytical, and problem-solving skills.
• Experience in carrier-grade optical networking products.
• Knowledge of Layer 2/Layer 3 networking concepts.
• Familiarity with Linux-based development environments.
• Exposure to network management and orchestration frameworks.
• Experience working in Agile development environments.