C Programmer

A Senior Engineer for network controller device driver development must possess a strong and diverse technical foundation, including but not limited to:

Low-Level Programming: Mastery of C for system-level programming, with a deep understanding of memory management, concurrency, and synchronization.

Operating System Internals: Profound knowledge of OS kernel architecture (especially networking subsystems), device driver models, and abstraction layers for major platforms (e.g., Linux kernel modules).
Networking Protocols: Familiarity with Ethernet, TCP/IP stack, UDP, ARP, VLAN, and specialized protocols (e.g., RDMA, iWARP, RoCE, DCB).
Hardware Interface Technologies: Experience with PCIe, DMA, interrupt controllers, and hardware abstraction.
Debugging and Profiling Tools: Proficiency in using GDB, WinDbg, Wireshark, system profilers, and hardware-level diagnostic equipment.
Version Control and Build Systems: Expertise with Git, Gerrit, automated build systems (e.g., Make, CMake, Jenkins), and continuous integration pipelines.
Security Best Practices: Understanding of secure coding guidelines, threat vectors unique to kernel space, and methods for hardening device drivers.

Collaboration and Communication: Strong written and verbal skills, including the ability to convey technical ideas to both specialist and nonspecialist audiences.

Desirable Qualities And Experience

Open Source Contribution: Track record of contributing to open source device drivers or kernels, demonstrating proficiency and community engagement.
Cross-Platform Development: Experience in developing drivers for multiple operating systems and architectures (e.g., x86, ARM).
Continuous Learning: Commitment to staying updated with advancements in networking hardware, standards, and software methodologies.

Typical Projects and Contributions A Senior Engineer in this field may be involved in a wide array of impactful projects, such as:

Developing next-generation high-speed network interface card (NIC) drivers to enable multi-gigabit data transfer and advanced offload capabilities.
Optimizing driver stacks for data centres, cloud computing, or enterprise environments, focusing on scalability and minimal downtime.
Porting legacy device drivers to new operating systems or hardware platforms.
Implementing advanced features such as virtualization support (SR-IOV, VMDq) or energy-efficient Ethernet (EEE)

Key Skills

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