Overview
Calix is a cloud and appliance-based platform and managed services company. Broadband service providers leverage the Calix broadband platform, cloud, and managed services to simplify operations, engagement, and service, innovate for their consumer, business. and municipal subscribers and grow their business and the communities they serve.

In 2010, the Calix China Development Center, known as "凯易讯"，was established in Nanjing Software Valley, located on the Software Avenue. We are a team of nearly 300 professionals specializing in software & hardware development, testing, supply chain management, and project management, etc. Our team members come from other renowned companies in the IT and Internet industries. We utilize cutting-edge technologies such as the latest chips, latest Wi-Fi/Optical technologies, cloud computing, network virtualization, cyber security, and AI etc. And we collaborate with global teams to develop core products.

As a member of the global Solutions Test Team, you will participate in the Solutions test and automation test projects.

Build real skills. Contribute to real projects.

Gain meaningful experience in Python automation, broadband networking, AI-assisted engineering, and global teamwork, with dedicated mentoring throughout your internship.

About the Opportunity

Join an experienced engineering team working on broadband technologies used by service providers around the world. You will contribute to real projects rather than isolated training tasks, helping engineers automate workflows, improve productivity, and validate network solutions.

You may also use modern AI assistants to support coding, scripting, troubleshooting, and documentation. The focus is practical AI-assisted engineering, not developing AI models from scratch.

Why This Internship Stands Out

·       Work on real engineering projects and build experience that strengthens your resume.

·       Receive one-to-one guidance from a dedicated mentor throughout the internship.

·       Follow a structured growth plan tailored to your background, strengths, and goals.

·       Learn in a relaxed, open engineering culture with room to explore and contribute ideas.

·       Collaborate with colleagues across countries and cultures in a global team.

·       Gain hands-on experience in Python, Linux, networking, automation, and AI-assisted work.

What You Will Do

·       Develop and maintain Python-based automation scripts and tools.

·       Help automate repetitive engineering and testing workflows.

·       Work with broadband access networks and related test environments.

·       Analyze logs, troubleshoot issues, and support problem investigation.

·       Use AI assistants to improve coding, scripting, and documentation efficiency.

·       Learn from senior engineers and contribute practical improvement ideas.

What We're Looking For

·       Bachelor's or master's student in telecommunications, networking, computer science, software engineering, electronic engineering, or a related field.

·       Available for an internship of 6 months or longer, 3–5 days per week.

·       Basic understanding of networking and TCP/IP, PPPoE, ARP, DHCP, etc.

·       Familiar with Linux basics.

·       Python programming or scripting experience is preferred.

·       Curious, proactive, responsible, and comfortable working in a team.

What You'll Gain

·       Meaningful project experience and practical engineering skills.

·       Continuous mentoring and a clear development path.

·       Experience working in a global, cross-cultural team.

·       Potential consideration for future full-time opportunities at Calix.