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Added 5 months ago
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VIAVI Solutions

Firmware Development Engineer

Ottawa, ON, Canada

Full-time

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Job details

Job type: Full-time
Experience: 7+ years of embedded firmware development experience
Posting language: English
Posted: May 14, 2026

Original job description

Summary:

VIAVI (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions for telecommunications, cloud, enterprises, first responders, military, aerospace, and railway. VIAVI is also a leader in light management technologies for 3D sensing, anti-counterfeiting, consumer electronics, industrial, automotive, government and aerospace applications.

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 passionate 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.

VIAVI Solutions is seeking a Senior Firmware Developer to join the Fiber Optic Production Lab Test (FOPLT) engineering team. This role focuses on embedded firmware development for modular optical test and measurement cassettes used in the MAP platform. The ideal candidate has hands-on experience with ARM and DSP embedded systems, FPGA interfacing, microcontroller programming, and Linux kernel-level development. You will work across the full hardware-software stack - from microcontroller and DSP firmware to ARM Linux applications, FPGA register interfaces, and PCIe bridge logic - delivering production-quality firmware for instruments used by telecom operators worldwide.

About the Role

As a Senior Firmware Developer at VIAVI Solutions, you will design, develop, debug, and maintain embedded firmware for the MAP modular optical test platform and its cassette ecosystem. The MAP platform is a rack-mounted chassis hosting hot-swappable optical test modules (cassettes) covering a broad range of fiber optic test and measurement applications.

You will work across multiple cassette architectures as well as chassis-level infrastructure including FPGA bridges, microcontrollers, and Linux kernel/driver integration.

Duties & Responsibilities:

Key Responsibilities:

Cassette Firmware Development
- Develop and maintain firmware for ARM-based cassettes (embedded Linux, C/C++) and DSP-based cassettes (uClinux, C/C++)
- Implement SCPI command protocol handlers for instrument control and measurement data acquisition
- Develop multi-threaded real-time signal processing pipelines using FFT, DSP, and SIMD optimizations
- Interface with optical hardware components via I2C, SPI, UART, and USB
FPGA Interfacing & Development
- Interface cassette firmware with FPGA co-processors for signal processing, optical triggering, and hardware acceleration via memory-mapped registers
- Maintain and enhance the MAP platform PCIe bridge FPGA (Verilog) which provides bus translation between the host processor and cassette backplane
- Debug FPGA register-level interactions and timing issues across SPI and PCIe domains
Microcontroller Firmware
- Develop firmware for bridge board microcontrollers (C) that manage FPGA programming, card-present detection, I2C register interfaces, and chassis power sequencing
- Maintain power management microcontroller firmware controlling chassis power rails, standby/power-cycle sequencing, and watchdog functionality
Kernel & System-Level Work
- Contribute to Linux kernel and device tree customization on the chassis controller
- Debug and resolve hardware-software integration issues including I2C bus contention, display pipeline conflicts, IRQ handling, and power management
- Develop and maintain system services, udev rules, and shell scripts for chassis lifecycle management (boot, hot-plug, reboot, shutdown)
Cross-Functional Collaboration
- Work closely with hardware engineers on board bring-up, schematic review, and signal integrity debugging
- Collaborate with the software team on communication between cassette firmware and the web GUI / front panel applications
- Support manufacturing with calibration firmware, production test scripts, and factory provisioning tools
- Leverage AI-augmented development workflows (e.g., AI coding assistants) to accelerate firmware development, debugging, analysis and unit-testing

Pre-Requisites / Skills / Experience Requirements:

Required Qualifications:

BS or MS in Electrical Engineering, Computer Engineering, or related field
7+ years of embedded firmware development experience
Strong proficiency in C and C++ for embedded systems (bare-metal and Linux)
Hands-on experience with ARM and/or DSP processor architectures
Experience with FPGA interfacing (register-level, SPI/I2C/memory-mapped I/O); HDL (Verilog or VHDL) reading ability preferred
Solid understanding of serial communication protocols: I2C, SPI, UART, USB
Experience with embedded Linux (kernel configuration, device trees, cross-compilation, driver development)
Proficiency with debugging tools: JTAG, oscilloscopes, logic analyzers, serial consoles
Familiarity with version control (Git) and CI/CD build systems

Preferred Qualifications:

Experience with DSP platforms and real-time signal processing (FFT, filtering, spectral analysis)
Experience with Xilinx Zynq or similar ARM+FPGA SoC development
Experience with AVR or similar 8-bit microcontrollers
Knowledge of SCPI protocol and test & measurement instrument firmware
Experience with fiber optic components and optical test instrumentation
Experience with PCIe protocol and bridge design
Knowledge of RTOS concepts (FreeRTOS, uClinux, or similar)
Experience with Docker-based embedded build environments and Buildroot/Yocto
Familiarity with Debian packaging and systemd service architecture
Experience with AI-augmented development tools and workflows

If you have what it takes to push boundaries and seize opportunities, apply to join our team today.

VIAVI Solutions is an equal opportunity and affirmative action employer – minorities/females/veterans/persons with disabilities.

Job Posting Pay Range:

86,929

161,439

Exceptional qualifications, experience and location may impact salary. VIAVI offers a competitive benefits package that includes paid time off, health, life and disability insurance, 401(k), and a bonus program.

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More about this job

Responsibilities

Design and develop embedded firmware for ARM and DSP-based optical test cassettes and chassis infrastructure. This includes implementing SCPI protocols, managing FPGA interfaces, and customizing the Linux kernel for hardware integration.

Requirements

Requires a BS/MS in Electrical or Computer Engineering with over 7 years of embedded firmware experience in C/C++. Proficiency in ARM/DSP architectures, FPGA interfacing, and embedded Linux development is essential.

Skills

Embedded C
C++
ARM Architecture
DSP
Embedded Linux
FPGA Interfacing
Verilog
I2C
SPI
UART
USB
PCIe
Kernel Development
Device Trees
JTAG
Git

Benefits

Paid Time Off
Health Insurance
Life Insurance
Disability Insurance
401(k)
Bonus Program

Visa sponsorship

Not detected in the job text

Keywords

Firmware
Embedded Systems
ARM
DSP
FPGA
Verilog
VHDL
Linux Kernel
uClinux
SCPI
PCIe
I2C
SPI
UART
USB
FFT
SIMD
JTAG
Oscilloscopes
Logic Analyzers
Git
CI/CD
Xilinx Zynq
AVR
RTOS
FreeRTOS
Buildroot
Yocto
Systemd
Fiber Optics

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