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Embedded Network Security Engineer

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Embedded Network Security Engineer in Others new

  • Caterpillar
  • Full time
  • Email
  • Wuxi, China

Responsibilities

  • Implement and integrate mTLS device communications with Nginx, MQTT, and HTTP services, including failure, expiration, and revocation handling.
  • Develop device certificate lifecycle functionality, including CSR generation, secure certificate and private-key storage, deployment, renewal, expiration detection, rotation, and automated testing.
  • Implement and validate Secure Boot on NVIDIA Orin and Thor platforms, including signing-key configuration, image/kernel/device-tree signing scripts, Fuse programming verification, and boot-chain integrity testing.
  • Configure and integrate ROS2 DDS Security, including Identity, Permissions, and Governance files, node-level access controls, and performance tuning.
  • Implement Linux security hardening, including least-privilege configuration, SSH and service restrictions, iptables/nftables rules, and automated security baseline checks.
  • Implement secure OTA verification, including package signature validation, integrity checks, anti-rollback checks, and negative test cases.
  • Maintain unit tests, integration tests, deployment scripts, test reports, configuration documentation, and troubleshooting guides.
  • Collaborate with security architects, platform software, testing, and field teams on integration, debugging, issue resolution, and code reviews.

Requirements

  • Bachelor’s degree or higher in computer science, software engineering, cybersecurity, electronic information, or a related field.
  • At least 3 years of embedded Linux development experience, including at least 1 year of network security feature development or integration experience.
  • Strong C/C++ and Python/Shell programming skills with the ability to independently develop, debug, and test modules.
  • Experience with Git and standard code review processes.
  • Knowledge of Linux users and permissions, systemd service management, network configuration, and logging systems.
  • Experience with OpenSSL command-line tools and APIs, X.509 certificates, CA issuance, certificate-chain validation, and practical TLS/mTLS integration.
  • Understanding of Secure Boot and chain-of-trust fundamentals.
  • Good technical documentation skills, including the ability to produce operating manuals, configuration documentation, and test records.
  • NVIDIA Jetson/Orin or other embedded-platform Secure Boot enablement experience is preferred.

Caterpillar

Caterpillar Inc. designs, manufactures, and services construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives for infrastructure, resource, and energy customers. The public company, founded in 1925 and headquartered in Irving, Tex...

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