Lead Device Software Engineer

ACT | The Alliance for Climate Transition

. Own the device software system end to end, defining architecture, breaking it into well-scoped workstreams, and driving fast, iterative delivery.

Posted 10/8/2026full-timeRemote • Pennsylvania • United StatesSenior💰 $155,000 - $175,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in firmware engineering with a focus on safety-critical software design, secure firmware updates, and integration with embedded systems. Proficient in leading technical strategy and delivering high-quality products through rigorous system design and documentation.

Highest-signal resume keywords

Firmware EngineeringSafety-Critical Software DesignC/C++/Rust ProficiencyEmbedded Systems DebuggingTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C ProgrammingC++ ProgrammingRust ProgrammingEmbedded Systems DebuggingSafety Certification (IEC 61508, IEC 60730, UL 1998)Bare-Metal/RTOS Firmware DevelopmentData AcquisitionSignal ProcessingRevenue-Grade MeteringMulti-Core Memory Optimization

Soft Skills

Technical DocumentationStakeholder CommunicationIterative DevelopmentProject Management

Tools & Technologies

ARM Cortex-MOscilloscopeLogic AnalyzerJTAG/SWDCI/CDTest AutomationI2CUARTSPIEthernet

Certifications & Qualifications

NRTL CertificationUL 1741IEEE 1547UL 3141UL 2900ANSI C12.1

Industry Keywords

Firmware EngineeringSafety-Critical SoftwareEmbedded SystemsDevice CommissioningSecure BootCode SigningKey ManagementVehicle-to-Home SolutionsDigital InterfaceHome Batteries

Tech Stack

Tools & technologies

CloudRTOSRustTCP/IPC++

About the role

Key responsibilities & impact

Own the device software system end to end, defining architecture, breaking it into well-scoped workstreams, and driving fast, iterative delivery.
Write production code and delegate tasks to a team of three firmware engineers.
Report to the Director of Electrical Engineering.
Develop the IslandDER digital interface for secure integration with home batteries and Vehicle-to-Home solutions.
Monitor voltage and current, drive relays, perform safety checks, and communicate securely with third-party devices and the ConnectDER cloud.
Own Data Acquisition, Control, Communication, and Integration subsystems.
Design safety-critical software, safety case, FMEA, and NRTL certification.
Design and implement revenue-grade metering, including data acquisition, signal processing, and calibration.
Partner with electrical engineering on requirements, board bring-up, cross-boundary debugging, hardware testability, and safety.
Own secure firmware updates, including secure boot, code signing, and key management.
Maintain modern CI/CD and testable code, taking systems from prototype to mass production.

Requirements

What you’ll need

Bachelor's degree in Electrical Engineering, Computer Engineering, or Computer Science, with 7+ years in firmware engineering and a track record of shipping new products at scale.
Rigorous system design and documentation, including clear technical documentation and design diagrams.
Experience driving complex safety certification, such as IEC 61508, IEC 60730, or UL 1998, to completion.
Technical leadership experience directing project technical strategy, partitioning workstreams, and shipping code.
Expert proficiency in C, C++, and/or Rust.
Deep experience debugging embedded systems with oscilloscopes, logic analyzers, and JTAG/SWD.
Deep bare-metal/RTOS firmware experience on modern 32-bit microcontrollers, including low-level architecture and multi-core memory optimization.
Experience with ARM Cortex-M or similar architectures.
Sophisticated use of AI coding agents with ownership of shipped decisions.
Ability to iterate quickly, size effort to business value, and explain complex requirements to diverse stakeholders.
Must submit a resume.
Selected candidates must pass a criminal history background screening and reference check.
Must be able to show proof of work authorization.
Preferred: Master's degree in Electrical Engineering, Computer Engineering, or Computer Science.
Preferred: Experience taking safety-critical software through NRTL certification.
Preferred: Matter/Thread device commissioning, including SPAKE2+/PASE and setup-code or QR pairing.
Preferred: I2C, UART, SPI, CAN/CAN-FD, Ethernet, Make, CMake, test automation, and CI/CD.
Preferred: Embedded TCP/IP networking, lwIP, WireGuard or similar secure tunnels on embedded platforms.
Preferred: Reverse-engineering CAN protocols or developing custom evaluation tools.
Preferred: RTOS configuration and use for multi-threaded, timing-critical applications; PX5 or ThreadX experience.
Preferred: Code-signing/PKI systems for firmware, secure boot verification, key rotation, and revocation.
Preferred: Familiarity with UL 1741/IEEE 1547, UL 3141, UL 2900, and ANSI C12.1.

Benefits

Comp & perks

Health insurance plan - we cover 75% for employees, spouses, and children.
Flexible paid time off – take the time off that you need.
401K with company match – we want to help you meet your future financial goals.
Equity stock options - your opportunity to share in the success of the company.