Principal Software Engineer (Embedded SW Development)

Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do.

Our award-winning culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers.

We're looking for a passionate and experienced software engineer to play a key role in the R&D team of Keysight's Network Test solution group. In this role, you will lead or contribute to the design, development, testing, and debugging of cutting-edge features and tools focused on Data Link and Physical Layer networking technologies. You'll collaborate closely with agile and cross-functional teams to drive innovation and deliver high-performance solutions across the product lifecycle.

This position demands a strong foundation in Ethernet networking, Layer 1 protocols, and low-level system development, including hands-on experience working with high-speed SERDES, ASICs, and PHY components from industry-leading vendors.

• Design, develop, and debug software features related to Data Link and Physical layer protocols and standards (e.g., IEEE 802.3, FEC, PAM4, NRZ).
• Collaborate across R&D teams to implement scalable and robust solutions.
• Work with high-speed Ethernet devices and ensure compliance with relevant IEEE specifications.
• Interface at low levels with OS, hardware, and FPGA components.
• Engage with customers and vendors as needed throughout the product lifecycle.

• Master's or Bachelor's degree in Computer Science, Computer/Electrical/Electronics Engineering, or a related field.
• 10+ years of experience in software development, specifically in:
• Layer 1 networking protocols and standards (SERDES, ANLT, CMIS, etc.)
• ASIC/PHY integration with vendors like Broadcom, Marvell, Intel, AMD
• Low-level programming for OS/HW/FPGA interaction
• Languages: C, C++, Python

• Hands-on experience with Linux platforms and software development best practices.
• Embedded device driver experience in communications protocols (e.g., SPI, I2C, MDIO, UART)
• Familiarity with Agile development and CI/CD pipelines.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and teamwork abilities.

Preferred Skills

• Experience with platform infrastructure such as ASIC drivers, NPU, BMC, Optics and network OS development
• Experience working with virtualization, containerization, and orchestration frameworks such as Docker, Kubernetes and/or similar
• Intelligently structure new feature designs and other software changes so that code is scalable, maintainable, and easily mergeable to legacy products as well as new products.
• Collaborate with R&D to develop new features and contribute to open source communities like DPDK, Linux kernel
• Understanding of DMA, interrupts, processes, memory management, and synchronization.
• Automation and scripting using Python, Go, or similar

The level of role will be based on applicable experience, education and skills; Most offers will be between the minimum and the midpoint of the Salary Range listed below.

California pay range: MIN $138,960- MAX $231,600

Note: For other locations, pay ranges will vary by region

US Employees may be eligible for the following benefits:

• Medical, dental and vision
• Health Savings Account
• Health Care and Dependent Care Flexible Spending Accounts
• Life, Accident, Disability insurance
• Business Travel Accident and Business Travel Health
• 401(k) Plan
• Flexible Time Off, Paid Holidays
• Paid Family Leave
• Discounts, Perks
• Tuition Reimbursement
• Adoption Assistance
• ESPP (Employee Stock Purchase Plan)

Careers Privacy Statement

Keysight is an Equal Opportunity Employer.