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Open nowPosted 280 days ago

功能/网络安全开发工程师（深圳）

yesv-desaysv/index444 open roles

Where
Shenzhen, Guangdong, Chinese Mainland
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Your applicationOpen now功能/网络安全开发工程师（深圳）yesv-desaysv/index · Shenzhen, Guangdong, Chinese Mainland

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. yesv-desaysv/index postings stay open a median of 1 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 58.1%60 days
This job: posted 280 days ago

yesv-desaysv/index median: 1 days open

The posting

一、安全分析与架构设计： •参与并主导针对Linux内核及关键驱动程序的功能安全分析，包括HARA（危害分析与风险评估）、FMEA和DFA（依赖故障分析）。 •基于安全分析结果，定义和细化Linux内核子系统的安全需求和技术安全概念。 •设计并实现符合ISO 26262标准的软件安全机制，如：内存保护SMMU、锁步核、看门狗、程序流监控、端到端通信保护等。 内核安全开发： •负责Linux内核中与功能安全相关模块的开发、移植和调试，如：实时性优化、内存管理、进程调度、中断处理、IPC等。 •开发和加固关键设备驱动程序（如CAN/CAN FD， Ethernet， SPI， I2C），确保其满足ASIL B的随机硬件故障度和系统故障度指标。 •利用和配置Linux内核的安全特性，如SELinux/SMACK， Control Groups， Namespaces， Kernel Hardening配置等，以支持安全目标的实现。 二、安全认证支持： •主导或深度参与Linux内核的ASIL B认证套件的适用性评估、集成、配置和验证。 •编写认证所需的技术文档，包括但不限于：软件安全需求规格、软件架构设计、安全分析报告、测试规范及报告等。 •与认证机构（如TÜV）直接对接，解答技术问题，推动认证流程顺利进行。 •设计和执行针对内核安全机制和驱动程序的故障注入测试，以验证其安全机制的有效性。 •开发或使用静态代码分析工具（如Coverity， Klocwork）进行代码安全审计。 •负责内核及驱动的安全相关测试用例的编写和执行，确保覆盖所有安全需求。

•精通Linux内核架构，深刻理解进程管理、内存管理、文件系统、设备驱动、网络协议栈等核心子系统。 •具备扎实的Linux内核驱动开发经验，能够独立完成或深度修改字符设备、块设备、网络设备等驱动程序。 •熟练掌握C语言和GNU工具链，具备内核级别的调试能力（如KGDB， Kdump， Trace等）。 •深刻理解ISO 26262标准，特别是Part 6软件部分的要求。 •熟悉ASIL等级分解、安全分析方法和安全机制的原理。 •有实际参与过功能安全项目（至少ASIL B）的经验，了解认证流程和文档体系。 优先考虑条件： 1、有成功将Linux系统应用于汽车领域并通过ASIL B（或更高）认证的完整项目经验。 2、熟悉业内主流的Linux安全认证套件，如SYSGO的PikeOS， Wind River的Linux Profile for Safety，或Linux基金会 ELISA 项目的相关实践。 3、熟悉AUTOSAR架构，了解其在Linux基础上的实现。 4、有嵌入式系统硬件知识，能理解芯片级的安全特性（如ARM TrustZone， MPU/MMU）。

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