Network Ethernet Hardware Engineer

L&T Technology Services; Göteborgs kommun; On-site; SEK 600,000 - 850,000; Full time

Job summary

L&T Technology Services is seeking a Network Ethernet Hardware Engineer to join our team in Gothenburg, Sweden. You will apply deep expertise in Automotive Ethernet, IEEE 802.3 standards, and high-speed PHY/MAC interfaces to deliver robust hardware solutions.

The role involves lab debugging, hardware bring-up, board validation, and use of tools like Wireshark to analyze packets. Strong programming skills in C/C++ and Python, and experience with GitLab/Git/Jenkins are essential.

Qualifications

• Deep knowledge of Automotive Ethernet and IEEE 802.3 standards.
• Experience with PHY/MAC interfaces, SerDes and signal integrity.
• Advanced oscilloscope usage for high-speed measurements and decoding.
• Hands-on lab debugging and hardware validation.
• Packet/frame analysis using Wireshark.
• Understanding of switch architectures (VLANs, QoS, TSN).
• Experience with embedded Linux or RTOS and low-level drivers.
• Hardware bring-up and board validation.
• Knowledge of automotive Ethernet L2/L3 protocols (UDP, TCP/IP, SOME/IP).
• Knowledge of build pipelines using GitLab/Git/Jenkins.
• Hands-on programming in Python and C/C++.

Skills

Automotive Ethernet

IEEE 802.3

PHY interfaces

SerDes

Signal integrity

Oscilloscope

Lab debugging

Hardware validation

Wireshark

Switch architectures

Embedded Linux

RTOS

Low-level drivers

L2/L3 protocols

UDP/TCP/IP/SOME/IP

GitLab/Git/Jenkins

Python

C/C++

Job description

L&T Technology Services Limited (LTTS) is a global leader in Engineering and R&D (ER&D) services. With 719 patents filed for 57 of the Global Top 100 ER&D spenders, LTTS lives and breathes engineering. Our innovations speak for themselves – World’s 1st Autonomous Welding Robot, Solar ‘Connectivity’ Drone, and the Smartest Campus in the World, to name a few.

LTTS’ expertise in engineering design, product development, smart manufacturing, and digitalization touches every area of human lives - from the moment one wakes up till the time one goes to bed. With 69 Innovation and R&D design centres globally, we specialize in disruptive technology spaces such as 5G, Artificial Intelligence, Collaborative Robots, Digital Factory, and Autonomous Transport.

We are looking for someone with key skills and able to perform the following roles & responsibilities :-

Network Ethernet Hardware Engineer

Gothenburg, Sweden

Role Summary:

Core Technical Competence Requirements:

• Deep knowledge of Automotive Ethernet and IEEE 802.3 standards
• Strong experience with PHY/MAC interfaces, SerDes and signal integrity
• Advanced oscilloscope usage (high-speed measurements, decoding, eye diagrams, jitter, triggering)
• Hands-on lab debugging and hardware validation
• Packet/frame-level analysis using tools such as Wireshark
• Understanding of switch architectures (VLANs, QoS, TSN, buffering, forwarding behavior)
• Experience with embedded Linux or RTOS environments and low-level drivers
• Hardware bring-up, board validation and component-level debugging
• Knowledge of automotive Ethernet communication L2/L3 protocols (UDP, TCP/IP, SOME/IP)
• Knowledge of software build chain using GitLab/Git/Jenkins
• Hands‑on experience in programming languages Python/C/C++