Senior Security Researcher

Calix is hiring Senior Threat Intelligence 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. This role offers an opportunity to work on innovative projects in cyber security.

Key Responsibilities:

• Lead comprehensive investigations into threats, conducting detailed research and intelligence analyses to strengthen security frameworks.
• Partner with diverse teams to design and enhance advanced security measures across systems.
• Develop and optimize IDPS signatures while contributing to NDR solution advancements for effective threat detection.
• Create engaging and informative content, including reports, white papers, and other materials focused on threat research and cybersecurity insights.
• Pioneer automation and machine learning-driven approaches to elevate threat detection capabilities.
• Stay at the forefront of security trends, continuously monitoring and adapting to emerging threats and innovative technologies.
• Execute proactive threat-hunting activities, employing blue teaming strategies, vulnerability research, and exploit analysis to eliminate vulnerabilities exploited by malicious actors.
• Conduct in-depth research on malware, exploits, and infection chains (kill-chain) to ensure robust detection and mitigation strategies.

Qualifications:

• BS/MS degree in Computer Science, Electrical Engineering, or a related field.
• Over 5 years of experience in threat research and signature writing for intrusion detection solutions.
• Proficiency in tools like Wireshark, Network Miner, Ghidra, and OllyDbg.
• Expertise in crafting high-quality Snort/Suricata and Yara signatures.
• Strong knowledge of threat hunting methodologies and tracking threat actors.
• Experience analyzing adversary tactics using frameworks like MITRE ATT&CK, VirusTotal, and ReversingLabs.
• Familiarity with developing and maintaining threat intelligence sources and feeds.
• Knowledge of commercial and open-source threat detection tools.
• In-depth understanding of operating systems and TCP/IP network protocols.
• Proficiency in Python for developing detection algorithms and automation scripts.
• Excellent communication and documentation skills.
• Strong analytical and problem-solving abilities.

Location:

• India – (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)