Sr. Software Engineer - Networking & RTOS

Lynx delivers modular, open standards–based software that transforms how high-assurance, mission-critical edge systems are built, deployed, and maintained. The candidate will work as part of a team to design, implement, test, and document network software in LynxOS-178 RTOS, focusing on system security, performance, and interoperability.

Responsibilities:

• Architect, design, and implement 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

Requirements:

• Must be a US Citizen
• BS/MS in Computer Science/ Electrical Engineering
• 8+ years of relevant experience required
• 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
• 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