Position Overview
The IT Security Specialist (5–9 years experience) plays a critical technical role within the Information Security Team, protecting Ascend Performance Materials' global enterprise networks, end-user environments, cloud resources, and critical infrastructure. Operating at a mid-to-senior technical tier, this individual is responsible for advanced security operations, multi-vector threat triage, escalated incident response, vulnerability management, and driving security optimization across systems. Working in close collaboration with Infrastructure, Networking, End-User Support, and Application development teams, the IT Security Specialist ensures robust defense mechanisms while maintaining seamless business productivity and operational performance.
Key Responsibilities
Incident Support & Response: Provide Tier 2/3 escalation support for security requests, complex phishing campaigns, malware outbreaks, web proxy bypasses, DLP violations, and endpoint protection alerts.
Security Monitoring & SIEM Triage: Proactively monitor security alerts, SIEM logs, EDR portals,



and MDR escalations to identify suspicious patterns, lateral movement, and unauthorized access attempts.
Incident Investigation: Lead investigation efforts for reported incidents, execute containment procedures, coordinate remediation with cross-functional IT groups, and conduct root-cause analyses.
Vulnerability Management: Coordinate security assessments, vulnerability scans, and patch tracking; work directly with Infrastructure and DevOps teams to enforce timely remediation schedules.
Infrastructure Hardening: Partner with Network and Infrastructure teams to harden Active Directory, Windows/Linux server builds, WAN/LAN architectures, VPNs, and cloud tenant configurations.
Process Documentation & Playbooks: Author and maintain comprehensive security documentation, incident runbooks, disaster recovery procedures, and audit defense records.
On-Call & Project Work: Participate in the IT Securi

📌 IT Security Specialist (Chennai)
🏢 Ascend Performance Materials
📍 Chennai