Calix is hiring for the role of Graduate Trainee -  Cyber Security!

Responsibilities of the Candidate:

• Collaborate with threat researchers and security engineers to analyze network-based attacks and generate detection logic.
• Perform packet-level analysis using PCAPs and tools like Wireshark or Zeek.
• Assist in developing and testing detection signatures for IPS/NIDS systems.
• Participate in the development of internal tools to improve research workflows and automation in Python.
• Conduct open-source intelligence (OSINT) gathering for emerging threats, indicators of compromise (IoCs), and TTPs.
• Support creation of technical documentation, threat reports, and playbooks.
• Engage in technical discussions during all phases of the threat research and signature development lifecycle.
• Assist in building simulated attack scenarios to validate detection capabilities.

Requirements:

• Graduated or pursuing final year of Bachelor's or Master's degree (2024/2025) in Computer Science, Information Technology, Networking, or Cyber Security.
• Strong und5100erstanding of Computer Networking, TCP/IP Protocol Stack, OSI Model, and Intrusion Detection Systems (IDS).
• Familiarity with Cyber Threat Intelligence, MITRE ATT&CK, and common malware delivery methods.
• Programming knowledge, preferably in Python; ability to automate analysis or write small utilities.
• Comfortable working with both Linux and Windows operating systems.
• Familiar with tools like Wireshark, Suricata, Snort, tcpdump, etc., is a plus.
• Experience or coursework in Network Security, Packet Analysis, or Cybersecurity is desirable.
• Strong communication skills, keen attention to detail, and excellent research aptitude