Application Engineer for High-Speed Ethernet 

Viavi Solutions India Pvt. Ltd.

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Eningen, DEU Until 8/21/2026 H-1B sponsor history First posted May 28, 2026 Last posted May 28, 2026
Job description

Summary:

VIAVI (NASDAQ: VIAV) has a 100+ year history of technical innovations that have evolved to keep pace and address our customers’ most pressing business issues. We make equipment, software, and systems that help to plan, deploy, certify, monitor, and optimize all kinds of networks - like those for mobile phones, service providers, large businesses and data centers. VIAVI is also a leader in high performance thin film optical coatings and engineered diffusers, providing light management solutions to anti-counterfeiting, consumer electronics, automotive, defense and instrumentation markets.

We are the people behind the products that help keep the world connected – at home, school, work, at play, and everywhere in between. VIAVI employees are fierce about supporting customer success and we welcome people who bring their best every day to the company - to question, to collaborate and to push for solutions that will delight our customers.

Duties & Responsibilities:

The internal application and solution engineering team addresses the most challenging technical and application issues with VIAVI high speed Ethernet products. Based in our lab in Eningen, Germany you will work closely with R&D and the field applications team to address Ethernet and PHY layer issues our customers see as they develop and bring up advanced Ethernet at speeds of 800GbE and above.

Using our advanced application lab you will be responsible to resolve the most demanding technical problems with our customers as they debug their products. Understanding the latest IEEE 802.3 Ethernet standards coupled with solid physical layer (BER, signal integrity) experience and experience of Ethernet product development and debug are the key things that will required in this role.

This position is would be a progressive move for design engineers looking to move into a more hands on, customer facing role. For an experienced applications engineer this is your chance to work in an industry leading team preparing the path for advanced AI systems to be deployed at Hyperscales.

    Pre-Requisites / Skills / Experience Requirements:

    Required Qualifications & Experience:

    • Strong experience with Physical layer testing of high-speed Ethernet (100GE+) and understanding of IEEE802.3 with working knowledge of PCS technologies such as FEC.

    • Practical experience of H/W bring up and troubleshooting of high-speed Ethernet interconnecting.

    • Desire to develop a deep understanding of the ONE LabPro and Transport products and their use cases.

    • Understanding on networking principles, including the OSI model and network protocols.

    • Proactive approach to troubleshooting and resolving technical issues.

    • Ability to explain complex technical concepts to both technical and non-technical audiences.

    • Degree (e.g., electrical engineering, computer science) or equivalent work experience.

    • Fluent English & German language skills.

    About this role

    Summary

    Resolve technical issues for high-speed Ethernet products with R&D and customers

    Job title

    Application Engineer for High-Speed Ethernet

    Experience level

    professional level

    Industry

    software

    Location requirements

    based in Eningen, Germany; remote work not specified

    Salary

    Not specified

    Visa sponsorship

    H-1B sponsor history

    Management role

    No

    Skills & keywords

    Required skills

    EthernetIEEE 802.3PHYBERsignal integrityFEChardware troubleshootingnetwork protocols

    Preferred skills

    deep understanding of lab equipmentcustomer communication

    Specializations

    EthernetPHY layerhigh-speedIEEE 802.3
    Locations

    Structured locations inferred from the posting.

    72 Eningen, Germany

    Work arrangement unknown City