{"schemaVersion":"jobsearcher.job.v1","id":"67733bc801e04275cf903dc7","url":"https://jobsearcher.com/jobs/67733bc801e04275cf903dc7","canonicalUrl":"https://jobsearcher.com/jobs/67733bc801e04275cf903dc7","title":"Linux Networking Software Engineer","description":"Linux Networking Software Engineer\nCarlsbad, CA\nType: Contract\nCategory: Development\nIndustry: Technology\nReference ID: JN -032026-106013\nDate Posted: 03/17/2026\nShortcut: http://careers.eliassen.com/5KBYRZ\n\nDescription\n\nRecommended Jobs\n\nDescription:\nHybrid 3 Days in Carlsbad, CA\nOur 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.\nDue 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.\nRate: $70.00 to $110.00/hr. w2\nResponsibilities:\n\nMaintain Linux kernel modules, drivers, and user-space services for embedded networking devices.\n\nImplement and modify networking features including VPN tunnels, NAT, firewalls, VRFs, and L2/L3 routing.\n\nDevelop backend services in C/C++ and Python with emphasis on performance, safety, and maintainability.\n\nAnalyze system and networking behavior using tools such as tcpdump and Wireshark.\n\nDeploy and validate software updates against real or simulated network environments.\n\nExperience Requirements:\n\n4+ years modifying and developing Linux kernel modules or low-level Linux drivers, ideally networking-related.\n\n4+ years building and maintaining Linux services with systemd.\n\nStrong understanding of the TCP/IP stack, NAT, firewalls, and VRFs.\n\nExperience with L2 networking concepts and technologies such as bridging and VLANs.\n\nFamiliarity with IPsec tunnels and configuration via strongSwan.\n\nProficiency with C/C++ and Python.\n\nAbility to design and implement RESTful and gRPC APIs for inter-process and remote communication.\n\nProficient at diagnosing complex networking and system-level issues across user space and kernel space.\n\nHands-on experience with open-source networking tools such as tcpdump and Wireshark.\n\nFamiliarity with Git.\n\nRecruitment Transparency Notice\nEliassen 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.\nSkills, 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.\nW2 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.\nPlease 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 .\nAbout Eliassen Group:\nEliassen Group is a leading strategic consulting company for human-powered solutions. For over 30 years, Eliassen has helped thousands of companies reach further and achieve more with their technology solutions, financial, risk & compliance, and advisory solutions, and clinical solutions. With offices from coast to coast and throughout Europe, Eliassen provides a local community presence, balanced with international reach. Eliassen Group strives to positively impact the lives of their employees, clients, consultants, and the communities in which they operate.\nEliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.\nDon't miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!","company":"Eliassen Group","rawCompany":"eliassen group","city":"Carlsbad","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-04-09T10:12:18.900Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Linux Networking Software Engineer","description":"Linux Networking Software Engineer\nCarlsbad, CA\nType: Contract\nCategory: Development\nIndustry: Technology\nReference ID: JN -032026-106013\nDate Posted: 03/17/2026\nShortcut: http://careers.eliassen.com/5KBYRZ\n\nDescription\n\nRecommended Jobs\n\nDescription:\nHybrid 3 Days in Carlsbad, CA\nOur 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.\nDue 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.\nRate: $70.00 to $110.00/hr. w2\nResponsibilities:\n\nMaintain Linux kernel modules, drivers, and user-space services for embedded networking devices.\n\nImplement and modify networking features including VPN tunnels, NAT, firewalls, VRFs, and L2/L3 routing.\n\nDevelop backend services in C/C++ and Python with emphasis on performance, safety, and maintainability.\n\nAnalyze system and networking behavior using tools such as tcpdump and Wireshark.\n\nDeploy and validate software updates against real or simulated network environments.\n\nExperience Requirements:\n\n4+ years modifying and developing Linux kernel modules or low-level Linux drivers, ideally networking-related.\n\n4+ years building and maintaining Linux services with systemd.\n\nStrong understanding of the TCP/IP stack, NAT, firewalls, and VRFs.\n\nExperience with L2 networking concepts and technologies such as bridging and VLANs.\n\nFamiliarity with IPsec tunnels and configuration via strongSwan.\n\nProficiency with C/C++ and Python.\n\nAbility to design and implement RESTful and gRPC APIs for inter-process and remote communication.\n\nProficient at diagnosing complex networking and system-level issues across user space and kernel space.\n\nHands-on experience with open-source networking tools such as tcpdump and Wireshark.\n\nFamiliarity with Git.\n\nRecruitment Transparency Notice\nEliassen 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.\nSkills, 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.\nW2 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.\nPlease 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 .\nAbout Eliassen Group:\nEliassen Group is a leading strategic consulting company for human-powered solutions. For over 30 years, Eliassen has helped thousands of companies reach further and achieve more with their technology solutions, financial, risk & compliance, and advisory solutions, and clinical solutions. With offices from coast to coast and throughout Europe, Eliassen provides a local community presence, balanced with international reach. Eliassen Group strives to positively impact the lives of their employees, clients, consultants, and the communities in which they operate.\nEliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.\nDon't miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!","datePosted":"2026-04-09T10:12:18.900Z","dateModified":"2026-04-09T10:12:18.900Z","hiringOrganization":{"@type":"Organization","name":"Eliassen Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Carlsbad","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"67733bc801e04275cf903dc7"},"url":"https://jobsearcher.com/jobs/67733bc801e04275cf903dc7"}}