Embedded Software Developer (Mid-Level) - Network Switch

VNM·Hanoimid

Software EngineerSoftware Engineering

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Overview

Description Embedded Software Developer (Mid-Level) - Network Switch Location: Hanoi, Vietnam. Full-time.

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Software EngineerSoftware Engineering

Description

Location: Hanoi, Vietnam. Full-time.

About the Role

~1 min read

We are building a new switching software team in Hanoi to own the network operating system on Zhone's carrier Ethernet switches. These are products running in live operator networks in Europe.

This is a role for a strong embedded Linux developer who wants to become a switching specialist.

Previous switch silicon experience is not required. What we need is depth in embedded C on

Linux, a real understanding of networking, and the appetite to learn quickly — the specialist

knowledge is what the senior developers on the team will teach you.

Responsibilities

~1 min read

→Implement and maintain switching features on our Linux-based NOS — VLANs, link aggregation, spanning tree, QoS, access lists, multicast snooping, DHCP relay.
→Write drivers and platform code against switch ASIC and PHY SDKs.
→Build and debug images for our switch platforms, and diagnose failures on real hardware in the lab.
→Write test cases and automation that prove a feature works and keep it working.
→Investigate and resolve defects reported from customer networks.
→Document what you build, including build and debug procedures.

What We Offer

~1 min read

Structured mentorship from senior switching developers and a deliberate path from general embedded work into a specialism that is scarce in the market. You will work on hardware you can hold, in networks carrying real subscriber traffic.

Requirements

✓3–6 years of embedded software development, primarily in C.

✓Solid embedded Linux experience: cross-compilation, kernel modules or drivers, user-space system software, and a build system such as Yocto, Buildroot or equivalent.

✓Networking knowledge — the OSI model in practice, Ethernet framing, VLANs, switching versus routing, TCP/IP. Hands-on with Wireshark or equivalent.

✓Ability to work from a datasheet and a register map, and to debug on hardware with a serial console and JTAG.

✓Version control (Git; SVN useful) and a disciplined approach to code review.

✓Working English, at least in reading and writing.

✓Bachelor's degree in Computer Science, Electronics, Telecommunications or equivalent experience.

Nice to Have

~1 min read

Exposure to switch or router software, or to an ASIC/NPU SDK.
Telecom or networking equipment background — OLT, DSLAM, CPE, base station, enterprise switching.
Scripting for test automation (Python).
L2 protocol implementation experience of any kind.
Familiarity with SNMP, CLI frameworks, or NETCONF/YANG.