Senior Firmware Engineer

Integrated Resources, Inc

Tucson, AZ

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JOB DETAILS

SALARY

JOB TYPE

Contractor

SKILLS

ARM (Advanced RISC Machine), Accounting, Agile Programming Methodologies, Backlog Prioritization, Boundary Scan, C Programming Language, C++ Programming Language, CPU (Central Processing Unit), Code Reviews, Computer Firmware, Computer Programming, Cross-Functional, Data Analysis, Debt Management, Debugging Skills, Debugging Tools, Device Drivers, Electrical Engineering, Embedded Systems, Hardware Development, Hardware-Software Integration, I2C, Identify Issues, Logic Analyzer, Mechanical Engineering, Memory Hardware, Memory Management, Mentoring, Microcontroller, Middleware, Peripheral Hardware, Product Demonstration, Python Programming/Scripting Language, Realtime Operating System, Safety Standards, Safety Systems, Scripting (Scripting Languages), Software Administration, System Architecture, System Integration (SI), System Validation, Technical Leadership, Test Automation, Test Harness, USB, Universal Asynchronous Receiver-Transmitter (UART), Validation Testing

LOCATION

Tucson, AZ

POSTED

Today

Job Title- Senior Firmware Engineer Location- Tucson, Client Duration- 12 months Contract Pay Rate- $100.05/hr. on W2 Job description We are looking for a Senior Firmware Engineer to join our team in Tucson. In this role, you will use your expertise in C/C++ to design and build robust embedded solutions that sit at the intersection of hardware and software. Youll be a critical part of a cross-functional team, taking features from low-level drivers to final system integration, ensuring our code is performant, memory-efficient, and rock-solid. Key Responsibilities Embedded Design: Architect and implement firmware features using C/C++, ensuring designs are optimized for constrained environments (CPU, memory, and power). Hardware-Software Integration: Develop low-level drivers and middleware to interface with sensors, actuators, and communication peripherals. Automated Hardware Validation: Build and maintain automated testing frameworksprimarily using Pythonfor Hardware-in-the-Loop (HIL) testing and system validation. Agile Execution: During PI and iteration planning, break down complex hardware-software features into manageable tasks, accounting for hardware dependencies and lead times. Technical Governance: Lead deep-dive code reviews and technical spikes to ensure firmware aligns with safety standards and system-level architecture. Agile Planning & Collaboration Synchronized Development: Participate in technical discussions during Program Increment (PI) planning, specifically addressing hardware/firmware dependencies. Backlog Refinement: Organize and prioritize the team backlog, managing technical debt and balancing feature velocity with system stability. Cross-Functional Bridge: Work closely with Electrical and Mechanical Engineering teams to translate hardware requirements into technical firmware reality. System Demos: Demonstrate firmware progress on target hardware to stakeholders, explaining technical logic and timing constraints clearly. Qualifications Required Technical Skills C/C++ Mastery: Extensive professional experience in embedded C/C++ development for microcontrollers (ARM Cortex-M, ESP32, etc.) or RTOS-based systems. System Architecture: Ability to design maintainable, scalable firmware architectures including interrupt handling, memory management, and state machines. Low-Level Protocols: Hands-on experience with communication interfaces like I2C, SPI, UART, CAN, or USB. Debugging: Proficiency using JTAG/SWD debuggers, logic analyzers, and oscilloProducts to troubleshoot hardware-software interactions. Preferred Experience Python for Tools: Experience using Python for scripting, data analysis, or building test harnesses. RTOS & Bare Metal: Familiarity with FreeRTOS, Zephyr, or similar real-time operating systems. Agile Proficiency: Experience working within the Scaled Agile Framework (SAFe) or similar iterative environments for hardware development. Mentorship: A track record of leading firmware projects or guiding junior engineers through complex system integrations. Soft Skills Technical Articulation: The ability to explain complex timing issues or register-level bugs to non-technical stakeholders. Relentless Troubleshooting: A methodical, "detective-like" approach to solving intermittent hardware/software issues. Reliability Mindset: A commitment to writing code where "it works on my machine" isn't enoughit has to work on the silicon every single time.

About the Company

Integrated Resources, Inc

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