Job Description

Overview
Calix cloud and software platforms enable communications service providers (CSPs) of all sizes to transform their business. Our CSP customers are empowered to utilize real-time data and insights from Calix platforms to simplify their businesses and deliver experiences that excite their subscribers. This enables CSPs to grow their businesses through increased subscriber acquisition, loyalty and revenue, thereby increasing the value of their businesses and contributions to their communities.

You will be a part of AXOS Simulation team. We develop Sandbox which simulates our real HW products. You will participate in our simulation and automation projects. For example, developing simulation tools to ensure AXOS platform products and solutions work as expected. In addition, the candidate will participate in our product knowledge base built using LLM/RAG and other technologies.

You will be part of the AXOS Simulation team, responsible for developing and maintaining the Sandbox environment that simulates our real hardware platforms. In this role, you will help maintain the existing Sandbox infrastructure and develop simulation tools to ensure AXOS platform products and solutions function as expected.

You will also participate in Sandbox product development and gain hands-on experience with our full release lifecycle.
Internship Duration

• The internship can start immediately upon successful interview
• Work 3-5 days per week

Responsibilities

• Maintain existing Sandbox deployments and features.
• Build the test environment. Triage/resolve issues found.
• Develop simulation/virtualization tools.
• Work closely with senior engineers to develop new simulation features.

Basic Qualification

• Graduate in 2027 or 2028, Bachelor or Master's degree in Computer Science, Software Engineering or Communication Engineering
• Available for 3-5 days per week, lasting for 6 months or longer
• Experiences in C/C++ or Python coding skills
• Familiar with Linux operating system
• Good knowledge of Computer Network, TCP/IP, and Layer 2/Layer 3 forwarding.
• Knowledge of OVS or VPP is a plus
• Knowledge of virtualization technologies Dockers/Containers is a plus
• Strong verbal and written communication skills

Allowance

• 200-280 RMB per day, adjusted based on the internship stage and performance.

Benefits

• Outstanding interns will be added to the Calix talent pool and considered for full-time positions
• Work in a global team with a multinational environment
• Open and transparent culture with friendly and equal mentors and colleagues
• Flexible working hours, no need to clock in
• Flexible work location, with the option for remote work when needed
• Adjustable desks and chairs for standing work
• Free drinks, fruits, and afternoon tea
• Free gym with shower facilities