Lynx

    Sr. Software Engineer - Networking

    Lynx
    Posted 11/12/2025Lead/Manager
    Full-time
    Technology
    C Programming
    BSD/POSIX Sockets Programming
    Networking Protocols
    TCP
    UDP

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    Job Description

    The Role: The candidate will work as part of a team to design, implement, test, and document network software in our LynxOS-178 RTOS. The candidate will help to implement the software with a focus on system security, performance, and interoperability.

    Key Responsibilities:

    • Architect, design, network protocols and services (e.g., IPv4/IPv6, UDP/TCP, IPsec, TSN (Time-Sensitive Networking) in an embedded environment.
    • Develop and maintain software for embedded systems, ensuring real-time performance and reliability.
    • Conduct thorough network performance analysis and optimization.
    • Collaborate with cross-functional teams to ensure seamless integration with network protocols and application stacks.
    • Troubleshoot and resolve low-level network and software issues, distinguishing hardware from software challenges.
    • Enhance the efficiency, scalability, and stability of networking solutions through innovative development and optimization.
    • Develop application-level BSD/POSIX sockets programming solutions for real-time operating systems and hypervisors.
    • Work on a variety of other RTOS and tools related technologies.
    • Supporting the generation and review of certification data.
    • Perform additional job duties as assigned.

    Education & Experience:

    BS/MS in Computer Science/ Electrical Engineering 8+ years of relevant experience required.

    Proficiency in the following:

    • C Programming and BSD/POSIX sockets programming.
    • Experience with networking protocols such as: TCP, UDP, IPv6, IPv4, IPSec and TSN.
    • Experience on at least one RTOS (e.g., LynxOS-178, VxWorks, QNX, FreeRTOS) or Linux kernel space development.

    · Experience with performance analysis (perf, ftrace) and packet capture (tcpdump/Wireshark) tools.

    • Proven ability to troubleshoot and resolve complex software and networking challenges.
    • Strong communication skills and a demonstrated ability to manage multiple projects simultaneously.
    • Experience with Agile methodologies and tools such as Jira, Confluence, Git and Gerrit.
    • Solid understanding of CI/CD workflows and tools (e.g., Jenkins, Azure DevOps).
    • Scripting and automation skills using Python, Bash, or similar languages.

    Nice to have:

    • Experience developing Linux device drivers and bootloaders.
    • Assembly code programming (x86 or ARM).
    • Rust programming language experience.
    • Familiarity with DO-178C lifecycle development standards.
    • Contributions to open-source communities.
    • Hands-on experience with root cause analysis and kernel-level troubleshooting.
    • Familiarity with real-time operating systems, hypervisors, and virtualization technologies (e.g., VMware, KVM, Xen, QEMU).
    • Familiarity with concurrency on multicore SMP/AMP.

    Sound Exciting? Get in touch today! We have very robust benefits including:

    Low-cost Medical / Dental / Vision coverage options 401K with generous employer match Responsible Paid Time Off + 11 Paid Holidays Remote work opportunities based on role Employee Assistance Program (EAP) Career growth and professional development opportunities

    • All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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