Senior Software Engineer

The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data, automation, and actionable insights delivered via Calix One — our cloud-first, AI-powered platform — CSPs can simplify operations, collapse cost, and accelerate innovation. Calix One brings together the automation of everything and the experience of one, empowering customers to deliver differentiated subscriber experiences while driving acquisition, loyalty, and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify, innovate, and grow, strengthening both their businesses and the communities they serve. We’re at the forefront of a once in a generational change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences. We are part of the Calix AXOS team, focusing on the development of robust and scalable edge network devices for access networks. The team works on core networking and system software, building production-grade solutions that run in real operator environments. Our goal is to deliver reliable, high-quality software for access network and edge devices, turning complex system requirements into stable, maintainable products. Responsibilities Develop and maintain software for Access Network Systems and Edge Devices Participate in the design, implementation, and delivery of network device software Analyze, debug, and resolve issues in real network and device environments Work on system-level features such as configuration, management, diagnostics, and reliability Collaborate with cross-functional teams to deliver production-grade solutions with high quality standards Basic Qualifications Bachelor or master’s degree of Telecom/Computer Science or majors related. 5 ~ 8 years’ experience in real-time Embedded Operating Systems. Solid programming skills in at least one mainstream language (e.g., C, C++, Python) Strong problem-solving skills and hands-on ability; able to dive into systems and drive issues to real-world resolution Rich experience on Linux OS Good understanding of access network fundamentals, including Layer 2, Layer 2.5, and basic PON concepts such as: ERPS, RSTP, G.8032, IGMP, DHCP, DHCPv6, PPPOE, LACP etc. Preferred Qualifications Project experience with PON products. Strong hands-on experience in AI and machine learning PLEASE NOTE: All emails from Calix will come from a '@calix.com' email address. Please verify and confirm any communication from Calix prior to disclosing any personal or financial information. If you receive a communication that you think may not be from Calix, please report it to us at ✉ Sign in to view email. The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data, automation, and actionable insights delivered via Calix One — our cloud-first, AI-powered platform — CSPs can simplify operations, collapse cost, and accelerate innovation. Calix One brings together the automation of everything and the experience of one, empowering customers to deliver differentiated subscriber experiences while driving acquisition, loyalty, and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify, innovate, and grow, strengthening both their businesses and the communities they serve. We’re at the forefront of a once‑in‑a‑generation change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences. To learn more, visit the Calix web site at www.calix.com If you are a person with a disability needing assistance with the application process please: Email us at ✉ Sign in to view email; or Call us at +1 (408) 514-3000. Calix is a Drug Free Workplace. You may access a copy of Calix Candidate Privacy Policy HERE and other Calix Privacy Policies HERE.