Firmware Engineer (Subject Matter Expert)

Ultipro; Waller (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

Ultipro in the Greater Houston area seeks an experienced embedded firmware engineer to develop software for HVAC consumer appliances and smart home devices. You will partner with thermal and mechanical engineers to translate requirements into robust, power-efficient firmware used in air handlers, furnaces, thermostats, and IoT sensors.

The role emphasizes hands-on C/C++ development, RTOS or bare-metal work, and knowledge of RS-485/I2C/CAN interfaces.

Qualifications

• Bachelor's degree in Computer or Electrical Engineering required.
• Experience with embedded firmware development for consumer devices.
• Proficiency in C/C++ for microcontrollers and RTOS environments.

Responsibilities

• Develop embedded firmware for HVAC consumer appliances and Smart Home devices.
• Write and maintain firmware in C/C++, targeting RTOS and bare-metal environments.
• Develop firmware stacks and drivers for communication protocols (RS-485, I2C, CAN).
• Perform unit testing, CI/CD, and bench/lab validation of firmware.
• Collaborate with hardware engineers to ensure proper firmware/hardware integration.

Skills

Embedded C/C++

RTOS

CI/CD

Debugging with Oscilloscope

Git/JIRA

Microcontrollers

I2C/SPI/UART/CAN

Education

Bachelor's degree in Computer/Electrical Engineering

Master's or PhD preferred

Tools

Docker

Git

CI/CD tools

Test Management Suites

JIRA

Job description

Location

WALLER, TX 77484, USA

• On-site


• Engineering


• Full-Time


• Requisition #: ENGIN012799

Description

Develops embedded firmware for HVAC equipment for world’s largest HVAC company based in Greate Houston, TX. This role will interact with advanced thermal and mechanical engineers, will understand key operating principles of of electro-mechanical systems and will develop advanced and smart control mechanism.

Position Responsibilities

• Technical:
  
  
  
  • Develop embedded firmware for consumer appliances and Smart Home devices - Air Handler, Furnace, Thermostat, Smart Home devices, wired and wireless sensors, IoT Edge devices
  
  
  • Develop embedded C code based on complex flow chart, state diagram to control electromechanical system
  
  
  • Develop firmware stack for RS-485 based communication
  
  
  • Develop software architecture, Hardware Abstraction, and reusable software components
  
  
  • Develop software specification document
  
  
  • Develop and maintain code base using version control, CI/CD, test automation
  
  
  • Implement unit testing, CI/CD pipeline
  
  
  • Perform detailed bench and lab testing of firmware
  
  
  • Support and troubleshoot software bugs and issues in products in field
  
  
  • Analyze system requirements and translate them into firmware specifications
  
  
  • Collaborate with hardware engineers to ensure seamless integration of firmware and hardware components
  
  
  • Debug and troubleshoot firmware issues using tools such as oscilloscopes, logic analyzers, and debuggers
  
  
  • Optimize firmware for power consumption, memory usage, and performance
  
  
  • Develop and implement software algorithms for complex system control and data processing
  
  
  • Develop and maintain firmware libraries and drivers
  
  
  • Write code for real-time operating systems (RTOS) and bare-metal environments
  
  
  • Collaborate with software engineers to ensure seamless integration between firmware and application software
  
  
  • Develop and maintain firmware version control and release processes
  
  
  • Participate in design reviews and provide technical expertise and recommendations
  
  
  • Conduct research on emerging technologies and best practices in firmware development
  
  
  
  


• Other:
  
  
  
  • Interface well with other teams to perform root cause analysis and develop solutions to production problems.
  
  
  • Coordinate with production engineering and maintenance teams to lead equipment repairs and projects.
  
  
  • Present and justify design decisions in design review meetings
  
  
  • Perform additional projects/duties to support ongoing business needs.
  
  
  
  

Nature & Scope

• Subject matter expert

• Has broad and comprehensive expertise in leading-edge theories, techniques and/or technologies within own function or discipline

• Proactively identifies and solves the most complex problems that impact the management and direction of the business

• Participates in the development of the product or business strategy


• Leads multidisciplinary projects or initiatives

Knowledge & Skills

• Technical
  
  
  
  • Programming Language for Embedded Systems (E.g. Embedded C or C++)
  
  
  • Programming for microcontrollers (Microchip, Atmel, ST, Renesas or equivalent)
  
  
  • Serial communication
  
  
  • Modbus/RS232/I2C/CAN
  
  
  • FreeRTOS or equivalent real time OS
  
  
  • Expertise in scripting languages
  
  
  • CI/CD tools, Docker
  
  
  • JIRA, Git, Test Management Suites
  
  
  • Knowledge of microcontroller architectures and embedded system design principles
  
  
  • Familiarity with digital and analog circuits and signal processing techniques
  
  
  • Experience with firmware debugging using oscilloscopes, logic analyzers, and debuggers
  
  
  • Ability to develop and maintain software libraries and drivers
  
  
  • Knowledge of communication protocols such as I2C, SPI, UART, and CAN bus
  
  
  • Familiarity with software version control and release processes
  
  
  • Understanding of software security principles and implementation
  
  
  
  


• Process
  
  
  
  • Software Project Management and Lifecycle
  
  
  • Unit Testing
  
  
  • Test Automation
  
  
  • CI/CD
  
  
  • Experience with firmware performance optimization and memory management
  
  
  • Ability to write and maintain high-quality and efficient code
  
  
  • Understanding of software development processes and methodologies
  
  
  • Familiarity with software testing and verification techniques
  
  
  • Excellence in Microsoft office tools - including Advanced Excel, MS Project, PowerPoint, MS Word, Automation via VBA, and Macro and SharePoint
  
  
  • Shall posses excellent communication, ability to explain complex technical contents, desire to work in diverse, cross-functional team and work towards common objective
  
  
  • Proven repeated experience with development and troubleshooting of firmware in embedded systems using C & C++.
  
  
  • Familiarity with software testing and verification techniques
  
  
  • Knowledge of software design patterns and best practices
  
  
  • Experience with code review and quality assurance processes
  
  
  • Familiarity with software development tools such as build scripts and continuous integration systems
  
  
  • Ability to collaborate with cross-functional teams, such as hardware engineers and software developer
  
  
  • Excellent problem-solving and analytical skills
  
  
  • Ability to communicate technical concepts to both technical and non-technical stakeholders.
  
  
  • Mentor and train junior engineers.
  
  
  • Develop best practices training material for internal engineering training
  
  
  • Responsible for consult and advise cross-functional team to arrive at balanced, appropriate engineering solution
  
  
  • Support junior engineers in technical capacity.
  
  
  • Ability to apply good judgement, strong work ethics and integrity on the job.
  
  
  
  

Experience

• 15+ years of relevant experience


• Evidence of career progression

• Demonstrated ability to deliver complex firmware projects, with distributed, medium to large size project team


• Manage multi-year firmware projects

Education/Certification

• Bachelors in in Computer or Electrical Engineering required

• Master's or PhD preferred

People Management: No

Physical Requirements / Work Environment

• Must be able to perform essential responsibilities with or without reasonable accommodations.


• Minimal traveling requirement of up to 10%

Reports To

• Senior Manager

The Company provides equal employment opportunity to all employees and applicants regardless of a person’s race, color, religion (including religious dress or grooming practices), creed, national origin (including language use restrictions), citizenship, uniform service member or veteran status, ancestry, disability, physical or mental disability (including HIV/AIDS), medical condition (including cancer and genetic characteristics), genetic information, request for protected leave, marital status, sex, pregnancy, age (over 40), sexual orientation, gender, gender identity or expression, political affiliation, or any other characteristic protected by law. The Company will comply with all federal and state regulations and statutes pertaining to individuals with disabilities.

Equal Opportunity Employer

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.