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Firmware Engineer

Mesa Labs
Tucson, AZ Full Time
POSTED ON 7/8/2026
AVAILABLE BEFORE 9/7/2026

Are you looking for an opportunity to make a difference? At Mesa Labs we’re passionate about protecting the vulnerable by enabling scientific breakthroughs, ensuring product integrity, increasing patient and worker safety, and improving quality of life around the world.

At Mesa Labs we offer competitive wages, including potential bonus opportunities, equity awards, commission, and a comprehensive benefits package based on the position.

Base Compensation Range: $80,000 - $100,000
*In addition, you qualify for:

  • Annual bonus opportunity of 10% based on company performance 

Outstanding Benefits and Perks
We are proud to offer a variety of benefits that meet the diverse needs of our employees:

  • Eligible for benefits the first day of the month after you start
  • Tiered Medical, Dental and Vision Insurance options, Health savings (HSA), healthcare & dependent care flexible spending (FSA) accounts
  • Company paid short term and long-term disability (unless covered by a state disability plan)
  • Company paid life insurance and AD&D
  • Flexible Time Off Policy
  • Paid sick leave of 48 hours per calendar year
  • Eligible employees may receive four (4) weeks paid Care Giver leave after 1 year of service or in accordance with state leave laws
  • 401(k) plan that provides a 4% Safe Harbor company match on a 4% employee contribution that begins on Day 1
  • Employee Wellness and Financial Assistance Resources through Cigna and NY Life
  • Nine (9) paid company holidays per year

Gyros Protein Technologies provides automated systems for protein analysis and peptide synthesis solutions that accelerate the discovery, development, and manufacture of biotherapeutic drugs.

Job Summary

The Firmware Engineer develops professional expertise in designing, programming, debugging, and modifying firmware for embedded systems. This role supports hardware and software integration, working with analog and digital systems to ensure reliable and efficient operation. With a foundation in programming languages such as C, C , assembly, and machine language, the Firmware Engineer contributes to troubleshooting, testing, and refining embedded code under guidance, while growing technical independence.

Duties/Responsibilities

  • Firmware Development & Programming:
    • Design, code, debug, and maintain firmware for embedded systems.
    • Implement solutions in machine language, assembly, and high-level languages (C, C ).
  • Testing & Troubleshooting:
    • Troubleshoot, debug, and optimize embedded code for functionality, performance, and reliability.
    • Assist in resolving software and hardware integration issues.
  • Hardware & Software Integration:
    • Work with analog and digital hardware designs, ensuring firmware compatibility.
    • Support operating system-level software interaction with embedded hardware.
  • Collaboration:
    • Partner with hardware, electrical, and systems engineers on design reviews and integration efforts.
    • Document and communicate issues, fixes, and improvements to cross-functional teams.
  • Continuous Learning & Improvement:
    • Apply company policies, procedures, and engineering standards while gaining exposure to advanced concepts.
    • Contribute to process improvements and the creation of best practices for firmware development.

Experience/Education

  • Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field.
  • 2 years of firmware, software, or embedded systems engineering experience.

Knowledge and Skillsets Required

  • Proficiency in programming languages such as C, C , assembly, and machine language.
  • Understanding of embedded systems, operating systems, and microcontroller architectures.
  • Exposure to hardware design concepts, both analog and digital.
  • Strong problem-solving and analytical abilities.
  • Effective communication and teamwork skills.
Additional Desired Skills/Competencies:
 
The ideal Firmware Engineer candidate will have demonstrated proficiency in the following areas:
 
  • Communication protocols such as I2C, SPI, and UART and wireless protocols such as Bluetooth and TCP/IP
  • Interfaces such as serial RS-232 and RS-485, USB, Ethernet
  • ESP32 and PIC microcontrollers
  • Version control systems, especially GitLab
  • Basic PCB design skills and familiarity with associated design tools, especially Altium or KinCAD

Physical Demands:

  • Sitting: Often for extended periods at desks or meetings. 
  • Standing or walking: Occasionally for meetings or office tasks. 
  • Using computers: Typing and using office equipment. 
  • Lifting: Light, less than 10 pounds. 
  • Repetitive motions: Frequent use of keyboard and mouse. 

Environmental Conditions:

  • Workspace: Climate control (air conditioning or heating) to ensure comfort.
  • Lighting: Adjustable lighting to reduce eye strain.
  • Noise Levels: The noise level is moderate, with occasional interruptions from phone calls and conversations. Use non-canceling headphones if necessary.
  • Ergonomics: Workstations with desk and adjustable chairs to support good postures.
  • Ventilation: Good ventilation to ensure a comfortable working environment, though this can vary depending on the building. 

Mesa Labs is an Equal Employment Opportunity Employer.

Mesa Labs prohibits unlawful discrimination and harassment against applicants or employees based on age, race, sex, color, religion, creed, national origin or ancestry, disability, military status, sexual orientation, or any other status protected by applicable state or local law.  Please note that Mesa Labs conducts criminal background checks upon offer acceptance

Salary : $80,000 - $100,000

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