Senior Threat Researcher

Zscaler is seeking a Senior Threat Researcher to join its Threat Hunting team, analyzing emerging threats, adversarial behaviors, and TTPs to enhance detection capabilities and improve overall security posture. The role requires conducting proactive and retroactive threat hunting using Zscaler telemetry, responding to customer needs independently, and working flexible schedules, including weekend night shifts.

Requirements

• Extensive experience in threat hunting, incident response, security operations, malware analysis, or network defense
• Hands-on expertise in SIEM tools such as Splunk, Microsoft Sentinel, or ElasticSearch
• Deep familiarity with the MITRE ATT&CK framework and modern adversary TTPs
• Bachelor’s or graduate degree in Computer Science, Engineering, or a related discipline, or equivalent security industry experience
• Ability to work flexible schedules, including weekend night shifts, to meet global operational demands

Benefits

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks