LHH · 20 hours ago
Sr Firmware Engineer
Queens, NY
Full-time
Onsite
Mid, Senior Level
3+ years expLHH is a fast-growing technology manufacturer seeking a Senior Firmware Engineer to join their engineering organization. This role focuses on developing embedded firmware for digitally controlled power supplies and power-management systems used across multiple industries.
Human Resources
Hiring Manager
Andrew Khanija
Responsibilities
Design and implement embedded firmware for digitally controlled power systems
Develop and maintain firmware related to monitoring, control loops, communication interfaces, and system reliability
Work with hardware engineers to define microcontroller/processor requirements and integrate firmware with schematics and layouts
Build and refine control algorithms (voltage regulation, current limiting, PFC, AC‑DC / DC‑DC control strategies)
Interface with digital communication protocols: I²C, SPI, UART, CAN, PMBus, SMBus, GPIB, Ethernet, LXI, Modbus
Debug, validate, and optimize firmware in the lab using oscilloscopes, logic analyzers, and related equipment
Develop unit tests and system‑level tests for regulatory and performance validation (UL, IEC, etc.)
Maintain detailed documentation—firmware design notes, release records, integration details
Participate in architecture discussions, design reviews, and cross‑functional engineering efforts
Qualification
Required
B.S. or M.S. in Electrical Engineering, Computer Engineering, Control Engineering, or related field
3+ years experience developing embedded firmware for power electronics or embedded systems
Proficiency in C/C++ for real-time embedded environments
Experience with microcontrollers/DSPs/SoCs (e.g., TI, STM, Microchip, NXP)
Strong understanding of power-supply topologies (buck, boost, flyback, LLC, etc.) and power-conversion fundamentals
Familiarity with compilers, debuggers, IDEs, and version-control systems
Hands-on experience with oscilloscopes, logic analyzers, and embedded lab tools
Preferred
Experience with digital control techniques (PID, current-mode control, etc.)
Experience with RTOS or bare-metal firmware
Understanding of safety, EMI/EMC, and reliability standards
Scripting or automation abilities in Python, MATLAB, or similar
Benefits
Sponsorship available for the right candidate
Company
LHH
At LHH, we believe work should be meaningful, fulfilling, and connected.
10001+ employees
H1B Sponsorship
LHH 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 (2)
2022 (1)
2020 (1)
Funding
Current Stage
Late StageLeadership Team
Dave Hilbig
President & CEO, OCM-LHH Utah, Wyoming
Ted Diven, MBA
CEO - OCM / Lee Hecht Harrison (ID, MT, NV)
Recent News
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2025-05-17
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