Senior Firmware Developer

Engineering | Morrisville, NC (RTP), United States
Job Details Apply
Job Details

We’re Hiring a Senior Firmware Engineer!   

If you are excited and passionate about helping #LetsSolveWater, consider joining our team today!  Xylem, Inc. is a leading global water technology company servicing more than 150 countries and is dedicated to solving the world’s most challenging water issues.  We are looking for individuals to join our mission by exceeding customer expectations through smart sustainable solutions.  At Xylem, you can help solve water by participating in our paid Volunteer Program, Xylem Watermark

The Role: Sensus USA seeks to hire a Senior Firmware Developer who is responsible for the development and ongoing engineering support of the Sensus portfolio of meter products and systems.  This position provides designs that meet utility and industry requirements as well as internal requirements for cost-effectiveness, accuracy, functionality, performance, and reliability while maintaining a strong customer focus. This requires someone who excels with very complex, hands-on, low-level projects while maintaining the ‘big picture’ perspective. 


  • Motivated, curious, self-starting professional to contribute and grow as a part of our team.
  • Ability to work collaboratively within a global cross-functional team environment to ensure high-quality, factory-ready products that adhere to schedule, cost, and performance requirements.
  • Design, implement, and test firmware for high-volume battery-operated RF Advanced Metering Infrastructure (AMI) and metering products.
  • Develop and integrate FW to drive sensors and communication paths used within metering products.
  • Collaborate with other development and test teams (e.g. handheld tools, headend systems, analytics) to ensure products work flawlessly within Sensus solutions and with 3rd party offerings.
  • Develop documentation required for collaboration, sustainability, and internal processes.
  • Develop PC-based tools and applications (e.g., based on xUnit, Python, Ruby, C#) to demonstrate and analyze metrology and product performance data.
  • Develop embedded support for module unit testing and code coverage assessment (e.g., using Ceedling)
  • Create test plans and fixtures for continuous integration (functional) testing.
  • Assist with design calculations, analog and digital circuit design, microcontroller pin assignment, and PCB schematics/layouts.
  • Assist quality assurance and support teams in investigating and analyzing products returned from the field.
  • Interface with third-party companies to enable integration of their technologies with the Sensus portfolio of products.
  • Some international and domestic travel may be required.
  • Participation in Xylem Watermark (community service) volunteer activities


  • Bachelor of Science Degree in Electrical Engineering or Computer Science.
  • At least 5 years of embedded OS and/or embedded systems development experience
  • Experience writing and optimizing C code for micro-controllers in resource-limited situations (memory, power, and performance).
  • Competency in register-level access, memory management, interrupt handling and performance optimization.
  • Experience writing PC-based programs and scripts for testing and data analysis.
  • Experience with Revision Control Systems (e.g., Git).
  • Excellent board-level testing and troubleshooting skills, including debugging.
  • A solid understanding of various serial bus protocols such as UART, SPI, and I2C.
  • Experience with common test equipment such as oscilloscopes, logic analyzers, and spectrum analyzers.
  • Work collaboratively within a team environment of engineers to meet aggressive goals and high-quality standards.
  • Perform as firmware team lead for a project (planning, technical point of contact, attending stand-ups)
  • Aptitude and initiative for continuous ‘grassroots’ improvement of FW development processes and architecture.


  • Experience with utility metering products or other high-volume products.
  • Experience with RF-based communications.
  • Experience developing and debugging software on MSP430 or ARM Cortex-M3 architectures.
  • Experience writing system specifications, product requirements documents, and prototype test plans.
  • Experience coding in a bare-metal system
  • Experience working in an agile environment; Atlassian team collaboration software


The estimated salary range for this position is $100,000 to $135,000.   Starting pay is dependent on multiple factors, such as skills, experience and work location, and is not typically at the top of the range.  At Xylem we offer a competitive compensation package with a generous benefit package, including Medical, Dental, Vision plans, 401(k) with company contribution, paid time off, paid parental leave and tuition reimbursement.

At Xylem, we embrace diversity and strive to create avenues where employees feel valued and appreciated through our DE&I initiatives and Employee Resources Groups (ERG).  Xylem is proud to be an Equal Employment Opportunity and Affirmative Action workplace.  Xylem prohibits discrimination, harassment of any kind and does not discriminate in employment based on race, color, religion, sex or sexual orientation (including pregnancy and gender identity), national origin, political affiliation, marital status, medical conditions or disability, genetic information, age, or other non-merit factors.   

Join the global Xylem team today!  Xylem is a team creating advanced technology solutions to the world’s water challenges through developing new technologies and services that will improve the way water is used, conserved, and re-used in the future is central to our work. Our products and services move, treat, analyze, monitor, and return water to the environment, in public utility, industrial, residential, and commercial building services settings. Xylem also provides a leading portfolio of smart metering, network technologies, and advanced analytics solutions for water, electric, and gas utilities. 

Disclaimer: The information listed within this job description is designed to indicate the general nature of work expected for this position and shall not be viewed as a comprehensive inventory of all duties, responsibilities, and qualifications required in this position.  Employees must be able to perform the essential functions of the position satisfactorily and if requested, reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of their job absent undue hardship.  Xylem reserves the right to modify this job description or assign other duties to this position as needed. 

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