Linux System Engineer

4 days ago

Peoria, Illinois, United States Fusion Life Sciences Technologies LLC Full time

Embedded SW - Linux Kernel and MACsec Engineer

Peoria, Illinois

We are seeking a highly skilled and experienced Linux Kernel and MACsec Engineer to develop, debug, and maintain the core operating system and security features for our MACsec-enabled industrial products.

This role involves deep technical work on the Linux kernel, device drivers, and system-level software to ensure robust performance and security of our hardware platforms.

Key Responsibilities

  • Design, implement, and maintain Linux kernel drivers and modules for MACsec hardware, ensuring compliance with IEEE 802.1AE standards and security best practices.
  • Debug and resolve complex issues within the Linux kernel, boot process, and user-space applications on embedded devices.
  • Develop and manage Linux kernel packages, boot sequences, and patches for updates and new feature implementation.
  • Optimize system performance, including memory management, I/O, and networking, with a specific focus on security within the kernel.
  • Conduct security threat modeling, vulnerability assessments, and penetration testing for Linux-based embedded systems.
  • Collaborate with cross-functional teams to integrate software solutions, conduct code reviews, and mentor junior engineers.
  • Manage the full lifecycle of operating system updates, ensuring smooth and secure deployment to MACsec devices.
  • Create and maintain technical documentation related to kernel development processes, OS updates, and security features.

Required Qualifications

  • Bachelor's or master's degree in computer science, Computer Engineering, or a related technical field.
  • Proven experience in embedded Linux kernel development, including extensive experience with Linux kernel internals, such as memory management, process scheduling, and concurrency.
  • Deep expertise in C/C++ programming and debugging within both the Linux kernel and user space.
  • Strong experience with device driver development and support (e.g., Ethernet, security offload engines).
  • In-depth knowledge of network security protocols, with hands-on experience configuring and debugging MACsec (IEEE 802.1AE).
  • Proficiency with debugging tools such as GDB, JTAG, and kernel profiling tools.
  • Solid experience with version control systems, especially Git, including managing patch submissions.
  • Familiarity with bootloader and firmware integration on embedded platforms.
  • Experience with scripting languages such as Python for automation and testing.

  • Senior Hydraulics System Engineer

    2 weeks ago

    Peoria, Illinois, United States Caterpillar Full time $110,000 - $165,840 per year

    Career Area:EngineeringJob Description:Your Work Shapes the World at Caterpillar Inc.When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about...

  • Engineer III, Embedded Software Developer

    4 days ago

    Peoria, Illinois, United States Komatsu Full time

    Engineer III, Embedded Software Developer 12/11/25 Peoria, Illinois, USA, Onsite PositionJoin Komatsu and Be Part of Something BigJob OverviewResponsible for completing general embedded software development assignments, as well as contributing to design teams on electrical projects for vehicle chassis, and/or components, and/or systems. To develop embedded...

  • Software Engineer

    2 weeks ago

    Peoria, Illinois, United States DMV IT Service Full time $104,000 - $156,000 per year

    Job Title: Software EngineerLocation: Peoria, ILEmployment Type: ContractAbout Us:DMV IT Service LLC, founded in 2020, is a trusted IT consulting firm specializing in IT infrastructure optimization, cybersecurity, networking, and staffing solutions. We partner with clients to achieve technology goals through expert guidance, workforce support, and innovative...

  • Infrastructure Support Specialist

    4 days ago

    Peoria, Illinois, United States Sibitalent Corp Full time

    Hi,Hope you are doing well,IMMEDIATE INTERVIEW = IT Infrastructure Support Engineer in Peoria, ILLINOIS-ONSITE (NEED LOCAL CANDIDATE)-Rate: $37hr. on W2Please find the Job details below and kindly revert if you're interested in learning more about this job.Job Title: IT Infrastructure Support EngineerLocation: Peoria, ILLINOIS-ONSITE (NEED LOCAL...

  • Desktop Support Specialist

    4 days ago

    Peoria, Illinois, United States Sibitalent Corp Full time

    IT Infrastructure Support Engineer in Peoria, ILLINOIS-ONSITE (Relocation work)Please find the Job details below and kindly revert if you're interested in learning more about this job.Job Title: IT Infrastructure Support EngineerLocation: Peoria, ILLINOIS-ONSITE(Relocation work)Duration :: 6 Months C2HNote:: Need DL/Visa and LinkedInPosition...

  • Functional Safety Engineer

    1 day ago

    Peoria, Illinois, United States A Ri Full time

    Job DescriptionARi, headquartered in East Peoria, IL, USA, is a rapidly expanding global engineering enterprise. The essence of our "i" symbolizes our distinctiveness from competitors – an embodiment of innovation, intelligence, ingenuity, and insight. Boasting a diverse team of over 1,500 engineering experts hailing from various nations and cultures...

  • Industrial Engineer

    2 weeks ago

    Peoria, Illinois, United States Alcast Company LLC Full time

    Job Overview:The Industrial Engineer's primary job is to provide support to the foundry production floor by troubleshooting problems and implementing timely solutions in order to maintain the continuity of the shop floor process flow. The secondary part of being an Industrial Engineer is to design and detail simple foundry tooling.Responsibilities:• Plan,...

  • Environmental Engineer

    3 days ago

    Peoria, Illinois, United States Foth Full time

    Do you like to solve problems in an engaging, collaborative, team environment?  Are you excited about discovery, technical innovation, and achievement?  Does working in a flexible culture with professional growth opportunities, a family friendly vibe, and smart, caring colleagues make for a great day?  If so, consider an employment opportunity at Foth and...

  • Software Engineer 3

    1 week ago

    Peoria, Illinois, United States Diversified Services Network, Inc. Full time

    Diversified Services Network, Inc. (DSN) is seeking a full-time Software Engineer to join our team in East Peoria, IL We offer full benefits, PTO, 401k, and more If you're looking to grow your technical career within an extremely reputable, stable Fortune 500 company - let's talkAs a Software Engineer, you will build software tools and develop and modify...

  • Controls Systems Technician

    2 days ago

    Peoria, Illinois, United States Johnson Controls Full time

    Be part of the futureWe are one team, dedicated to working collaboratively to create the purposeful solutions that propel the world forward. We hope you will join our diverse team of top people – you bring your talent, and we'll give you the space and opportunities to grow and succeed.  We are committed to make a difference.What we offer:Competitive...