Senior Firmware Engineer

Flint Hills Resources; Allen (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical benefits

Dental & Vision

Health Savings Account

Life insurance

Retirement plan

Paid vacation/time off

Educational assistance

Parental leave

Job summary

Molex is seeking a highly skilled Senior Firmware Engineer to join our Optical Business Unit. This role delivers CMIS compliant firmware for next‑generation optical transceivers used in data centers and telecom markets.

You will collaborate with Product Management, Hardware, Operations and Field Application Engineering to drive development from concept to product. The ideal candidate has 5+ years in firmware design for communications, strong C/C++ and Python skills, and experience with RTOS or

Qualifications

• Bachelor’s degree in computer engineering and related fields
• 5+ years of experience in firmware design and development for communication products
• Proficiency in C/C++ and Python Programming
• Experience in bare-metal and RTOS based firmware development and optimization
• Strong understanding of bus protocols like I2C, I3C, SPI, PCIe, MDIO
• Hands-on experience with lab equipment like Oscilloscope, Signal Generators, OSA, VOA
• Knowledge about PID control loops involving DAC, ADC, TEC and PIC
• Experience with GIT Version Control System, CI/CD Pipelines and optical technologies is a plus

Responsibilities

• Design, Develop and Verify CMIS Compliant Firmware for Optical Transceivers
• Design, implement and calibrate control loops for electro-optical components
• Port, Integrate and Test DSP chip driver software on target platforms
• Ensure Product Performance, Reliability and Quality through Critical Code Reviews, Test Design and Analysis
• Support New Product Introduction (NPI) and Application Engineering teams in bringing products to the market
• Troubleshoot and resolve operational and customer issues by understanding the use cases, reproducing the issues in lab and implementing solutions
• Lead distributed design and development teams across multiple time zones

Skills

C/C++

Python

Firmware development

RTOS

Bare-metal

I2C

I3C

SPI

PCIe

MDIO

Lab equipment

PID control

GIT

CI/CD

DSP driver

Education

Bachelor's degree in Computer Engineering or related field

Tools

GIT

CI/CD Pipelines

Job description

Molex is seeking a highly skilled Senior Firmware Engineer to join our Optical Business Unit. In this role, you will be part of a fast-paced firmware engineering team developing next generation optical transceivers for datacenter and telecom markets. The ideal candidate will have an excellent understanding of firmware design, development and verification methodologies for optical communication products. You will collaborate with Product Management, Hardware, Operations, and Field Application Engineering Teams to drive the development of transceiver products. This role requires both domestic and international travel.

Our Team

Molex possesses a rich heritage in the optical industry. We provide the highest performing and field-proven wavelength management solutions from components, modules to integrated line-cards. Continuous innovation in passive component function integration, miniaturization, and manufacturing automation, cutting edge WSS and amplification technology and comprehensive optical, mechanical, electrical and software design capabilities enable us to serve the needs of high-density, high-bandwidth, and flexible optical networks of telecom, datacom, hyperscale datacenter and supercomputing.

What You Will Do

• Design, Develop and Verify CMIS Compliant Firmware for Optical Transceivers
• Design, implement and calibrate control loops for electro-optical components
• Port, Integrate and Test DSP chip driver software on target platforms
• Ensure Product Performance, Reliability and Quality through Critical Code Reviews, Test Design and Analysis
• Support New Product Introduction (NPI) and Application Engineering teams in bringing products to the market
• Troubleshoot and resolve operational and customer issues by understanding the use cases, reproducing the issues in lab and implementing solutions
• Lead distributed design and development teams across multiple time zones

Who You Are (Basic Qualifications)

• Bachelor’s degree in computer engineering and related fields
• 5+ years of experience in firmware design and development for communication products
• Proficiency in C/C++ and Python Programming
• Experience in bare-metal and RTOS based firmware development and optimization
• Strong understanding of bus protocols like I2C, I3C, SPI, PCIe, MDIO etc
• Hands-on experience with lab equipment like Oscilloscope, Signal Generators, OSA, VOA etc
• Knowledge about PID control loops involving DAC, ADC, TEC and PIC
• Experience with GIT Version Control System, CI/CD Pipelines and optical technologies is a plus

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here .

Who We Are

As a Koch company, Molex is a leading supplier of connectors and interconnect components, driving innovation in electronics and supporting industries from automotive to health care and consumer to data communications. The thousands of innovators who work for Molex have made us a global electronics leader. Our experienced people, groundbreaking products and leading-edge technologies help us deliver a wider array of solutions to more markets than ever before.

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here , aquí , or tu ).