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Principal Hardware Engineer

Arable - San Francisco, CA, United States - In-office - posted 2026-10-20

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Arable is seeking a Principal Hardware Engineer to lead hardware development across the full product lifecycle, from concept through production. This is a technical leadership role focused on driving innovation in agricultural and environmental sensor technology. Key Responsibilities: - Drive hardware development across the complete product lifecycle, from concept to production - Coordinate domestic and offshore manufacturing operations - Review and validate ODM designs to meet quality standards - Develop technical documentation for designs, testing, and support - Lead hands-on prototyping of new hardware products and features - Collaborate with QA teams on product validation and testing - Work cross-functionally with product management, software, operations, and customer success teams - Manage key vendor relationships and guide component selection - Troubleshoot hardware issues and coordinate bug tracking and resolution - Support manufacturing test fixtures and processes - Provide technical leadership and mentorship to strengthen the team's engineering capabilities and influence technology direction This role combines deep technical expertise with leadership responsibilities. You will mentor engineers, guide architectural decisions, and take ownership of hardware strategy while remaining hands-on with prototyping and problem-solving. Requirements: - Bachelor's degree in Electrical Engineering, Mechanical Engineering, Physics, or related field - 6+ years of hardware engineering experience spanning the full PCB design lifecycle - Proficiency with schematic capture, PCB layout, board bring-up, and lab equipment - Knowledge of regulatory testing (FCC, CE) and new product introduction (NPI) processes - Strong analytical and problem-solving abilities - Self-directed approach and ability to work effectively in fast-paced environments - Excellent communication and organizational skills Preferred Qualifications: - Advanced technical degree (Master's or PhD) - 8+ years of experience bringing multiple hardware products to mass production - Experience managing or collaborating with offshore teams - Knowledge of C programming for embedded systems - Experience with wireless product design (WiFi, BLE, cellular) and/or RTOS - Background in agricultural or environmental sensor technology - Experience leading engineering initiatives, developing processes, or mentoring engineers - Expertise in low-power system design, particularly for solar-powered and battery-powered devices

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