Security Engineer Intern

Calix is looking for a Summer intern to join their Security Engineering team. In this role, you will investigate how to leverage AI to secure products and infrastructure, gaining hands-on experience in cloud security, vulnerability management, threat detection, and automation.

Responsibilities:

• Research, design and implement Proof of Concepts for AI platforms, tools and services that will directly streamline and improve the outcomes and results of the following security activities:Detection & Response: Determine how AI can be used to define and tune detection capabilities to identify malicious activity in our Cloud environments.Threat Modeling & Vulnerability Management: Explore how AI help remediate risks before they occur and prevent vulnerability exploitationAutomation & Scripting: Evaluate how AI can automate security processes, reducing manual chores and improving efficiency.Cloud & Infrastructure Security: Determine how AI can secure public cloud environments (e.g., AWS, GCP) and hybrid infrastructures while ensuring compliance with standards.Security Operations: Evaluate how AI can be used to analyze complex log data in real time to detect never before seen attacks.Documentation: Document all research, proof of concept implementations and generate a final recommendation report for each AI tool, service or platform investigated

Requirements:

• Currently pursuing a Bachelor's or Master's degree in Computer Science, Computer Engineering, Cybersecurity, or a related technical field
• Foundational understanding of OS internals (Linux/Windows), network protocols (TCP/IP), and cloud security principles
• Ability to read and write scripts in a modern language (Python preferred, PowerShell/Bash)
• Experience in 'labs'—whether that's network simulators, personal projects, or cybersecurity 'Capture the Flag' (CTF) platforms
• Strong problem-solving, critical thinking, and communication skills, with an eagerness to learn in a fast-paced environment
• Able to work for the complete summer break (May - August or June - September)
• Familiarity with security tools (e.g., SIEM, EDR, Wireshark, Nessus, Splunk)
• Relevant industry certifications (e.g., CompTIA Security+)