Senior Engineer, Embedded Software

Clarios, LLC; Milwaukee (WI); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental and vision coverage

401(k) with company matching

Tuition reimbursement

Parental and caregiver leave

Job summary

Clarios, LLC seeks a Senior Embedded Software Developer to design production-grade software for automotive telemetry gateways and battery sensors.

You'll work across bare-metal, RTOS, and embedded Linux on ARM Cortex-M/A platforms, integrating ML on NPUs and edge computing. Expect cross-functional collaboration and a strong emphasis on reliability and safety.

Qualifications

• Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or a related discipline.
• 5+ years of professional embedded software development experience.
• Expert-level C/C++ proficiency for embedded targets.
• Experience with RTOS-based firmware development and Linux on ARM platforms.

Responsibilities

• Architect, design, implement, test, and maintain embedded software for automotive telemetry gateways and battery sensors.
• Develop bare-metal and RTOS firmware for ARM Cortex-M microcontrollers.
• Create Linux userspace services and Yocto-based images for embedded gateways.
• Collaborate across hardware, cloud, cybersecurity, validation, and product teams.

Skills

Embedded C/C++

Zephyr RTOS

FreeRTOS

ARM Cortex-M

ARM Cortex-A

Linux device drivers

Yocto Project

CAN/UART/SPI/I2C/Ethernet/USB

Git/CI

Python/Shell scripting

Hardware debugging

Education

Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or related discipline

Tools

Yocto Project

JTAG/SWD

RPMsg/OpenAMP

Trace tools

Git

Job description

## Senior Engineer, Embedded SoftwareApply: United States, Wisconsin, Milwaukee: Full time: Posted Today: WD50805**What we look for**We are seeking a **Senior Embedded Software Developer** to design and develop production-grade software for automotive IoT telemetry, embedded gateway, and intelligent battery-sensing products. This role spans heterogeneous embedded platforms, including bare-metal and RTOS-based ARM Cortex-M microcontrollers, embedded Linux on ARM Cortex-A processors, and machine-learning workloads running on dedicated NPUs. The successful candidate will contribute across the complete embedded software lifecycle—from hardware bring-up and low-level drivers to custom Linux distributions, connected applications, real-time firmware, and edge-ML integration. Target platforms include modern multicore SoCs such as the **NXP i.MX 9 family**, combining Linux application processors, real-time microcontroller cores, and neural processing accelerators.**How you will do it*** Architect, design, implement, test, and maintain embedded software for automotive telemetry gateways and intelligent battery sensors.* Develop bare-metal C/C++ firmware for ARM Cortex-M microcontrollers.* Develop real-time applications using **Zephyr RTOS** and **FreeRTOS**, including tasks, synchronization, interrupt handling, timing, and resource management.* Develop Board Support Packages, boot code, peripheral drivers, and hardware abstraction layers.* Build and maintain custom embedded Linux distributions using the **Yocto Project**, including: + BitBake recipes and layers + Machine and distribution configurations + Kernel, bootloader, device-tree, and driver integration + Package selection, image generation, and update strategies + Reproducible build and release processes* Develop Linux userspace services and applications for LTE-connected automotive gateways.* Develop software for heterogeneous SoCs containing ARM Cortex-A, ARM Cortex-M, and NPU cores.* Design communication and coordination between Linux, RTOS, and accelerator domains using mechanisms such as RPMsg, OpenAMP, shared memory, IPC, and vendor-provided frameworks.* Integrate and optimize machine-learning inference workloads for NPUs and other edge accelerators.* Develop telemetry data acquisition, processing, storage, and secure cloud-communication pipelines.* Develop firmware for intelligent battery sensors and analog front ends that measure battery voltage, current, and temperature.* Implement or integrate algorithms supporting battery **State of Charge (SOC)** and **State of Health (SOH)** estimation.* Integrate LTE modems, GNSS receivers, sensors, vehicle networks, and other gateway peripherals.* Implement robust fault detection, diagnostics, logging, watchdog, recovery, and over-the-air update capabilities.* Analyze system performance, memory utilization, timing, power consumption, and communication reliability.* Debug complex hardware/software and multicore issues using oscilloscopes, logic analyzers, JTAG/SWD debuggers, trace tools, and protocol analyzers.* Produce software requirements, architecture documents, interface specifications, design documentation, and verification evidence.* Conduct code and design reviews and mentor other embedded software developers.* Collaborate with systems, hardware, cloud, data science, cybersecurity, validation, manufacturing, and product teams.* Support prototype development, system integration, vehicle testing, production launch, and field-issue resolution. **What we look for****Required*** Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or a related discipline.* **5+ years of professional embedded software development experience**.* Expert-level proficiency in embedded **C and C++**.* Strong experience developing bare-metal firmware for ARM Cortex-M microcontrollers.* Production experience with at least one embedded RTOS, preferably **Zephyr** or **FreeRTOS**.* Strong understanding of: + Interrupts, exceptions, and boot sequences + Concurrency and synchronization + Real-time scheduling and timing analysis + Memory-mapped I/O and DMA + Cache coherency and memory barriers + Linker scripts, startup code, and memory layouts + Low-power and resource-constrained design* Embedded Linux development experience on ARM Cortex-A platforms.* Practical experience creating and maintaining custom Linux images with the Yocto Project.* Experience with Linux kernel configuration, device trees, bootloaders, system services, and userspace development.* Experience developing or integrating Linux device drivers and low-level hardware interfaces.* Experience with common embedded communication interfaces and protocols, including: + CAN and CAN FD + UART + SPI + I2C + Ethernet + USB* Experience with embedded networking and connected-device protocols such as TCP/IP, TLS, MQTT, HTTPS, or similar technologies.* Experience using Git, automated builds, static analysis, unit testing, and continuous integration.* Strong troubleshooting skills across hardware, firmware, operating systems, networking, and applications.* Ability to translate system requirements into maintainable software architectures and well-tested implementations.* Strong written and verbal communication skills.**Preferred*** Experience with the **NXP i.MX 8 or i.MX 9** family or comparable heterogeneous automotive SoCs.* Experience developing coordinated software for Cortex-A and Cortex-M cores on the same SoC.* Experience with OpenAMP, RPMsg, remoteproc, shared-memory IPC, or equivalent multicore communication frameworks.* Experience deploying and optimizing machine-learning models on embedded NPUs.* Familiarity with TensorFlow Lite, ONNX Runtime, neural-network quantization, or vendor-specific inference toolchains.* Experience with LTE/4G/5G modems, GNSS, modem management, SIM/eSIM provisioning, and cellular connectivity diagnostics.* Experience with automotive communication and diagnostic protocols, including UDS, J1939, ISO-TP, or DoIP.* Knowledge of automotive software-development practices, including **ASPICE**, **ISO 26262**, or functional-safety concepts.* Knowledge of automotive cybersecurity and secure embedded design, including **ISO/SAE 21434**.* Experience with secure boot, hardware roots of trust, key management, encrypted storage, signed firmware, and secure OTA updates.* Experience with Mender, SWUpdate, Aktualizr, RAUC, or similar embedded Linux update frameworks.* Experience with battery-monitoring analog front ends and high-precision voltage, current, and temperature measurement.* Knowledge of lead-acid or lithium-ion battery characteristics, coulomb counting, equivalent-circuit models, Kalman filtering, and SOC/SOH estimation.* Experience designing software for harsh automotive environments, intermittent connectivity, long service life, and strict reliability requirements.* Familiarity with Python or shell scripting for build automation, manufacturing tools, test fixtures, and data analysis.* Travel may be required up to 10%**What you get:*** Medical, dental and vision care coverage and a 401(k) savings plan with company matching – all starting on date of hire* Tuition reimbursement, perks, and discounts* Parental and caregiver leave programs* All the usual benefits such as paid time off, flexible spending, short-and long-term disability, basic life insurance, business travel insurance, and Employee Assistance Program* Global market strength and worldwide market share leadership* HQ location earns LEED certification for sustainability plus a full-service cafeteria and workout facility* Clarios has been recognized as one of 2026's Most Ethical Companies by Ethisphere. This prestigious recognition marks the fourth consecutive year Clarios has received this distinction.**Who we are:** Clarios is the force behind the world’s most recognizable car battery brands, powering vehicles from leading automakers like Ford, General Motors, Toyota, Honda, and Nissan. With 18,000 employees worldwide, we develop, manufacture, and distribute energy storage solutions while recovering, recycling, and reusing up to 99% of battery materials—setting the standard for sustainability in our industry. At Clarios, we’re not just making batteries; we’re shaping the future of sustainable transportation. Join our mission to innovate, push boundaries, and make a real impact. Discover your potential at Clarios—where your power meets endless possibilities. **Veterans/Military Spouses:** We value the leadership, adaptability, and technical expertise developed through military service. At Clarios, those capabilities thrive in an environment built on grit, ingenuity, and passion—where you can grow your career while helping to power progress worldwide. All qualified applicants will be considered without regard to protected characteristics.**Equal Employment Opportunity:**We recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here, please apply. Diversity of experience and skills combined with passion is key to challenging the status quo. Therefore, we encourage people from all backgrounds to apply to our positions. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, status as a protected veteran or other protected characteristics protected by law. As a federal contractor, we are committed to not discriminating against any applicant or employee based on these protected statuses. We will also take affirmative action to ensure equal employment opportunities. Please let us know if you require accommodations during the interview process by emailing [e-mail]. We are an Equal Opportunity Employer and value diversity in our teams in terms of work experience, area of expertise, and all characteristics protected by laws in the countries where we operate. For more information on our commitment to sustainability, diversity, and equal opportunity, please read our latest report. We want you to know your rights because EEO is the law.**A Note to Job Applicants:** please be aware of scams being perpetrated through the Internet and social media platforms. Clarios will never require a job applicant to pay money as part of the application or hiring process.**To All Recruitment Agencies**: Clarios does not accept unsolicited agency resumes/CVs. Please do not forward resumes/CVs to our careers email addresses, Clarios employees or any other company location. Clarios is not responsible for any fees related to unsolicited resumes/CVs.