​09 - Senior Specialist, Information Security
Req ID: 137491
Remote Position: Hybrid
Hiring Manager: Paul Stanners
Band: 09
Region: Asia
Country: India
State/Province: Chennai
City: Guindy, Chennai

Summary

This role is critical for ensuring endpoint application control remains secure and usable for engineering teams, particularly by acting as a dedicated support function during the stabilization phase of a "Default-Deny" rollout.

In this role, you will be responsible for designing, implementing, auditing, and maintaining ThreatLocker policies across our organization (and/or client environments). You will play a critical role in preventing ransomware, malware, and unauthorized software execution by managing Application Whitelisting (Allowlisting), Ringfencing, Storage Control, and Elevation Control.

The ideal candidate has a robust background in system administration or cybersecurity, possess a deep understanding of Windows operating systems, and is passionate about achieving a true Zero Trust security posture.

Key Responsibilities





ThreatLocker Administration & Management
- Policy Creation & Tuning: Design, implement, and maintain ThreatLocker Application Allowlisting policies to ensure only authorized software can execute.
- Ringfencing: Configure and manage Ringfencing policies to restrict what authorized applications can do (e.g., stopping PowerShell from talking to the internet or blocking Word from launching cmd.exe).
- Elevation Control: Implement and manage least-privilege access, creating rules for users to run specific applications as administrators without granting full local admin rights.
- Storage Control: Define and enforce policies for securing USB drives, network shares, and local files against unauthorized access or data exfiltration.
- Manage allowlisting, Learning Mode, and temporary exceptions.

Monitoring, Auditing & Incident Response
- Approval Queue Management: Monitor and process daily ThreatLocker approval requests from users efficiently

📌 ThreatLocker Specialist (Chennai)
🏢 Celestica
📍 Chennai