Poshmark is a leading social marketplace for new and secondhand style for women, men, kids, pets, home, and more. By combining the human connection of physical shopping with the scale, ease, and selection perks of ecommerce, Poshmark makes buying and selling straightforward, social, and sustainable.

Responsibilities:
Monitor and analyze security event logs/alerts to identify security incidents
Lead security incident investigation, containment, eradication, and recovery
Uncover root causes of sophisticated security incidents and targeted attacks that span systems, network, and code
Improve our detection and incident response capabilities through automation
Create playbooks for standard events to simply investigations
Fine tune alerts to reduce false positives and automate responses to alerts
Collaborate with SRE and and other security teams to remediate issues
Managing SIEM to add, improve alerts and other capabilities
Implementing security monitoring solutions across Poshmark environments
Threat hunting to find malicious activities




Use IOCs and other information to enrich data

Minimum Qualifications:
Required Skills & Experience
College graduate, with the major focused on information security or cyber security.
Strong coding skills
Strong interest in information security, including awareness of current threats and security best practices and different attacks and their detection methods.
Familiarity with concepts of security incident response, vulnerabilities vs threats vs actors, Indicators of Compromise (IoCs), network security, OS/system security etc.
Familiarity with Security threats and security controls on Linux.
Solid technical understanding of network fundamentals and common Internet protocols, specifically DNS, HTTP, HTTPS / TLS, and SMTP

Preferred Qualifications:
Experience with Incident Response, Malware Analysis, Threat Hunting
Experience in SRE or DevOps/SecDevOps
GCIA or relevant certifications
Experience in sc

📌 Security Intern Chennai
🏢 Poshmark
📍 Chennai