Description
Job Purpose
The Sr. Security Engineer is responsible for designing, implementing, hardening, and supporting enterprise security capabilities that protect company systems, platforms, and information assets. This role blends hands-on security engineering with operational execution across cloud security, security operations, incident support, and AI security use cases.
The position partners with engineering, cloud platform, application, data/AI, and operations teams to reduce risk, improve detection and response outcomes, and support audit and control expectations. As a senior-level role, this position also contributes technical leadership through documentation, standardization, mentoring, and continuous improvement.
Essential Functions and Responsibilities
- Design, implement, and continuously improve secure configurations and guardrails across enterprise and cloud environments, including identity and access controls, network protections, encryption, secrets management, logging, and platform hardening.
- Engineer, administer,



and support enterprise security technologies spanning endpoint security, vulnerability management, SIEM/logging, identity management, monitoring, detection, and cryptographic controls.
- Drive remediation of security findings by prioritizing critical and high-risk issues, validating corrective actions, and improving repeatable control patterns.
- Build, operate, and enhance security operations capabilities, including detection engineering, SIEM/SOAR workflows, alert triage, investigation support, incident response playbooks, and operational runbooks.
- Conduct or support incident investigations, root-cause analysis, containment and eradication activities, and lessons-learned follow-through.
- Participate in the on-call support rotation for security incidents, provide technical support during active investigations and response activities, and contribute to post-incident remediation and continuous improvement.
- Develop and maintain tec

📌 Sr IT Security Engineer (Pune)
🏢 ACI Worldwide
📍 Pune