Adtran · 2 weeks ago
Sr. Software Engineer (Firmware)
Atlanta, GA
Full-time
Hybrid
Senior Level, Lead/Staff
10+ years expAdtran is a growing company looking for talented engineers to join their team. The Senior Software/Firmware Engineer will design, develop, and test embedded software for Reconfigurable Optical Add-Drop Multiplexers (ROADMs), collaborating with cross-functional teams to deliver high-quality firmware.
SoftwareVideo
Responsibilities
Design, develop, and integrate modern C/C++ embedded software running on Linux and real-time operating systems (RTOS) such as FreeRTOS
Own the complete software development lifecycle — from requirements and architecture through implementation, testing, debugging, and deployment
Develop and maintain device drivers for fiber-optic components (e.g., WSS, OCM) and other hardware subsystems
Collaborate with hardware teams on schematic reviews, hardware design input, and board bring-up
Partner cross-functionally with optical, hardware, and test engineers in an Agile environment to meet product milestones and quality goals
Develop and maintain unit tests, automation scripts, and test frameworks to verify and validate firmware functionality
Qualification
Required
Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field
10+ years of experience in embedded software or firmware development, preferably in telecommunications or networking
Strong proficiency in modern C/C++, including adherence to C++ best practices and coding standards
Experience with RTOS, low-level debugging, and hardware/software integration
Solid understanding of embedded communication protocols (SPI, I²C, UART) and hands-on experience developing and debugging device drivers
Familiarity with ARM or other microcontroller architectures
Proficient with Git and collaborative development workflows (branching, reviews, CI)
Skilled in reading schematics, using oscilloscopes, and troubleshooting embedded systems
Experience participating in code reviews, testing, and documentation to ensure high-quality deliverables
Excellent analytical, problem-solving, and communication skills
Demonstrated ability to work effectively with cross-functional teams, including QA, product management, and manufacturing
Commitment to continuous learning and staying current with modern C++ and emerging embedded technologies
Preferred
Experience developing device drivers for ASICs or FPGAs
Hands-on experience with CMake and scripting languages (Bash, Python, Ruby, or Perl)
Experience implementing CI/CD pipelines for embedded platforms
Familiarity with Agile/Scrum methodologies
Understanding of optical networking technologies such as OTN, Gigabit Ethernet, and related transport systems
Proficiency in using oscilloscopes, logic analyzers, and diagnostic tools for system validation and debugging
Company
Adtran
ADTRAN designs, manufactures, markets, and services network access solutions that enable voice, data, video, and Internet.
1001-5000 employees
H1B Sponsorship
Adtran has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (3)
2023 (6)
2022 (8)
2021 (5)
2020 (10)
Funding
Current Stage
Public CompanyTotal Funding
$201.3M2025-09-17Post Ipo Debt· $201.3M
1994-08-16IPO
Leadership Team
Jeremy Harris
VP, Sales North America
Mark Stalica
Regional Vice President Sales: America's MSO's and Satellite
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