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Adtran

Firmware Engineer II

Ottawa, ON

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hirly's read of this role

Role family
Engineering
Seniority
Mid level
Country
CA
Work mode
On-site / unstated
First seen by hirly
23 Sept 2026

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the posting

Welcome!

Our Growth is Creating Great Opportunities!

Our team is expanding, and we want to hire the most talented people we can. Continued success depends on it! Once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new postings that might interest you!

Thanks for your interest in working on our team!

The Firmware Engineer II will design, develop, and test the embedded software for pluggable optical transceiver modules within the Optical Engines product unit. You will work closely with Optical, Hardware, and Test engineers to deliver high-quality, production-grade firmware for next-generation optical products.

Duties and Responsibilities:

Perform all aspects of embedded firmware design and development, including architecture, design, implementation, testing, and debugging

Write device drivers for complex ASIC’s, FPGA’s, and other components

Contribute to hardware design and participate in hardware design reviews

Support the initial turn-up of new hardware

Work with optical, hardware, and test engineers to ensure product goals are met

Develop automation scripts to validate and test the product firmware

Develop user interfaces for transceiver assemblies and plugs

Assist in the design and implementation of manufacturing test fixtures

Basic Qualifications:

Bachelor’s in Electrical/Computer Engineering or related

Proficient in C programming for embedded software

Debugging software experience

Real-time operating systems experience

Familiar with ARM or other microcontrollers

Familiar with UARTs as well as SPI and I2C protocols

Proficient with reading schematics and using an oscilloscope

Familiarity with optical networking (OTN, Gigabit Ethernet) is a plus

Excellent verbal and written communication skills

Requirements & Work Environment:

Permanent, full-time position

40 hours/week, Monday – Friday, in-office

Primary location in Ottawa, Canada

Must be authorized to work in Canada

Be energetic and eager to collaborate with a wide variety of cultures and personalities

Be able to maintain a positive outlook in the face of uncertainty

Have a genuine desire to learn, innovate, and succeed

Original posting on Adtran's site ↗

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