Senior Hardware Engineer - FPGA & High-Speed Digital

Viavi Solutions; Saint-Étienne; On-site; EUR 65,000 - 90,000; Full time

Job summary

VIAVI Solutions France in Saint-Étienne is seeking a Senior Digital Electronics Design Engineer to join its R&D department. You will design high-performance electronic boards for fiber-optic test instruments, handling hardware architecture, schematics, PCB routing, and prototype qualification through production release.

The role requires 5+ years in hardware design, strong digital and mixed-signal skills, and FPGA-based experience (VHDL/Verilog); you will collaborate with software and mechanical

Qualifications

• Engineering degree in electronics (CPGE / engineering school preferred).
• At least 5 years hardware design experience in an industrial R&D environment.
• Strong digital design with analogue constraints (noise, dynamic range, linearity) in measurement instruments.
• Fluency in English and French.
• Experience in cross-functional teams and coordinating with international stakeholders.
• FPGA/SoC high-speed design and verification experience (VHDL/Verilog).

Responsibilities

• Define hardware architecture of electronic boards considering power, thermal, signal integrity and EMC constraints.
• Design and validate schematics; manage PCB routing; oversee prototype manufacturing.
• Test, debug and qualify prototypes; write test plans and qualification reports through production release.
• Collaborate with embedded software and mechanical teams; participate in architecture reviews.
• Monitor component availability; evaluate and qualify new technologies for VIAVI products.
• Document all developments (BOMs, calculation notes, definitions) per quality processes.

Skills

High-speed digital design

FPGA/SoC design

VHDL/Verilog

Signal integrity

EMC

Cross-functional teamwork

English and French fluency

C/C++ and Python

Education

Engineering degree in electronics

Tools

Cadence

HyperLynx

SIwave

Job description

VIAVI Solutions France in Saint-Étienne is seeking a Senior Digital Electronics Design Engineer to join its R&D department. You will design high-performance electronic boards for fiber-optic test instruments, handling hardware architecture, schematics, PCB routing, and prototype qualification through production release.

The role requires 5+ years in hardware design, strong digital and mixed-signal skills, and FPGA-based experience (VHDL/Verilog); you will collaborate with software and mechanical