Senior Embedded Ethernet PHY Driver Engineer

FHLB Des Moines; Herlev Kommune; On-site; DKK 700,000 - 900,000; Full time

Benefits offered by this job

Pension

Healthcare

Stock options

Travel opportunities

Job summary

Microchip Denmark seeks an experienced embedded software engineer to design OS-agnostic C APIs for Ethernet PHY interfaces and to support hardware bring-up in automotive and industrial applications.

You will write MISRA-compliant C, contribute to testing infrastructure, and collaborate across cross-functional teams to ensure performance and reliability from chip bring-up to production.

Qualifications

• Strong proficiency in C and embedded software development.
• Experience with physical Ethernet layers, PHYs, and interface standards.
• Willingness to work close to hardware and use datasheets, specs, registers, test equipment, and debug tools.
• Experience in regulated environments with safety, quality, and reliability requirements.

Responsibilities

• Develop and maintain OS-agnostic C APIs for physical network interfaces.
• Bring up and tune Ethernet interfaces from 10 Mbit MII to high-speed (1G–25G).
• Implement PCS and MAC layer functionality from a software driver perspective.
• Develop and maintain PHY drivers for Ethernet standards (1000BASE-T, 1000BASE-T1, 10BASE-T1S).
• Contribute to the associated switch driver.
• Write MISRA-compliant C code per ASPICE and automotive standards.

Skills

C programming

Embedded software

English communication

Education

Relevant technical education

Tools

Git

MISRA

ASPICE

ISO 26262

IEC 62443

Job description

Microchip Denmark seeks an experienced embedded software engineer to design OS-agnostic C APIs for Ethernet PHY interfaces and to support hardware bring-up in automotive and industrial applications.

You will write MISRA-compliant C, contribute to testing infrastructure, and collaborate across cross-functional teams to ensure performance and reliability from chip bring-up to production.