Linux Networking Software Engineer

Hybrid 3 Days in Carlsbad, CA

Our client is seeking a software engineer to build core components of a software-defined networking platform across Linux kernel and user space. The role will focus on developing and optimizing networking features including L2/L3 routing, firewalls, VPNs, and tunnels for embedded devices. You will implement high-performance services in C/C and Python, analyze complex system behavior, and validate updates in real or simulated environments. Your work will advance reliable, secure, and maintainable networking at scale.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $70.00 to $110.00/hr. w2

Responsibilities

• Maintain Linux kernel modules, drivers, and user-space services for embedded networking devices.
• Implement and modify networking features including VPN tunnels, NAT, firewalls, VRFs, and L2/L3 routing.
• Develop backend services in C/C and Python with emphasis on performance, safety, and maintainability.
• Analyze system and networking behavior using tools such as tcpdump and Wireshark.
• Deploy and validate software updates against real or simulated network environments.

Experience Requirements

• 4 years modifying and developing Linux kernel modules or low-level Linux drivers, ideally networking-related.
• 4 years building and maintaining Linux services with systemd.
• Strong understanding of the TCP/IP stack, NAT, firewalls, and VRFs.
• Experience with L2 networking concepts and technologies such as bridging and VLANs.
• Familiarity with IPsec tunnels and configuration via strongSwan.
• Proficiency with C/C and Python.
• Ability to design and implement RESTful and gRPC APIs for inter-process and remote communication.
• Proficient at diagnosing complex networking and system-level issues across user space and kernel space.
• Hands-on experience with open-source networking tools such as tcpdump and Wireshark.
• Familiarity with Git.

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (noreply@eliassen.com, 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.

JOB ID: JN -032026-106013