Associate Security Researcher

Calix is hiring Security Researcher to join their Threat Intelligence team in Bangalore. The successful candidates will lead efforts in identifying, analyzing, and mitigating network threats. Develop and implement advanced threat detection and prevention strategies. Additionally, they will enhance threat detection capabilities through various research activities.

In this role, you will collaborate with the security engineering and threat intelligence teams to support the development, validation, and research of network intrusion detection capabilities. Your contributions will directly impact the enhancement of threat detection signatures, research of emerging threats, and improvement of internal threat intelligence processes.

Responsibilities and Duties :

• Analyze and respond to network intrusions and work with IPS signatures, including signature development and tuning.
• Collaborate with security researchers to advance IPS detection from signature-based to anomaly-based methods.
• Recreate vulnerabilities to analyze exploit behavior, validate detections, and strengthen defensive strategies.
• Perform packet-level analysis using PCAPs and tools like Wireshark or Zeek.
• 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.

Qualifications :

Location :

Skills Required

Wireshark, Tcpdump, Windows, Snort, Linux, Python