Job Description | Lexmark United States
Job Title:

Firmware Engineer - Embedded Security

Business Area:

Engineering & Design


Lexington, KY USA

Job ID:


Firmware Engineer - Embedded Security

Lexmark’s Embedded Security Team is a collaborative development team that is responsible for developing security solutions for both monochrome & color laser printer products.

The primary responsibilities of this role are focused on the development, implementation, & testing of Firmware utilized to interface with custom Security ASICs that reside on Lexmark products. The nature of this firmware centers on secure authentication & will be written for multiple printer platforms with various security architectures.

Responsibilities include (but not limited to):

  • Implementing various secure authentication methods/standards & other cryptographic functions for custom Security ASICs.
  • Exploring, developing, and implementing code to further the protection of security assets within the printer and associated supplies.
  • Collaborating with cross-functional development teams to implement secure solutions for both printer development & manufacturing activities.

Learning opportunities for this role include (but not limited to):

  • Advancing knowledge of the security landscape around printers and other embedded devices.
  • Gaining an understanding on how to further strengthen devices through both HW & FW system resources to reduce vulnerabilities.

Qualities desired in a successful candidate:

  • Knowledge of embedded system busses: I2C, SPI, UART or similar.
  • Knowledge of test equipment: Logic Analyzers, Oscilloscopes, bus analyzers or similar..
  • Knowledge of user/kernel programming on Linux, Zephyr OSs or similar.
  • Knowledge of Development Software: git, CMake, CTest, Bitbake, Jenkins or similar.
  • Possess strong written and verbal communication skills to effectively interface with cross-functional development teams.
  • Thrive in a fast-paced, demanding, and collaborative environment.
  • Prove that they can work collaboratively across geographies effectively to deliver results on schedule.
  • Demonstrates ability to analyze test data, make recommendations, & effectively share observations to drive solutions.
  • Possess a drive to innovate and for continuous skill development.
  • Demonstrate creative thinking to identify and solve complex technical problems.

Qualifications/ Requirements:  Bachelor’s Degree or higher in Electrical Engineering, Computer Engineering, or Computer Science

Programming Experience

  • Position requires knowledge of programming in various languages (primarily C, C++).
  • Ability to effectively test, analyze, & debug code to ensure the implementation of the most robust & secure solution for a given security architecture. 

Security Experience a Plus

  • Knowledge of encryption standards & authentication methods to securely manage data being communicated among various firmware & hardware infrastructures.
  • Knowledge of secure coding practices & procedures for both security firmware development & implementation.

Benefits of Working for Lexmark: 

  • Competitive Salary 
  • No maximum limits on vacation   
  • Comprehensive benefits package 
  • Onsite Wellness Center, Cafe, and Coffee shop 
  • Flexible work schedules