Infrastructure Security Engineer at Interswitch

• The Infrastructure Security Engineer will be responsible for implementing and maintaining security controls across Interswitch’s infrastructure landscape. This includes securing cloud and on-premises systems, ensuring effective vulnerability management and supporting compliance with internal and regulatory standards. The role will work closely with IT, DevOps, and Security Operations teams to ensure a robust, scalable, and resilient security posture.

RESPONSIBILITIES

• Implement and manage security solutions across enterprise systems, networks, and cloud environments.
• Support infrastructure hardening and configuration management to align with organizational security standards.
• Perform vulnerability assessments, maintain patch lifecycle across enterprise assets, coordinate remediation efforts, and track closure of identified risks.
• Assist in designing and maintaining security architecture for cloud (AWS, Azure, GCP) and on-premises systems.
• Collaborate with the Incident Response team during investigations and contribute to root cause analysis.
• Engage relevant teams to ensure security processes automation and enforce compliance on the infrastructure, including CI/CD pipelines.
• Participate in regular security reviews, penetration testing exercises, and threat modeling activities.
• Contribute to developing and maintaining infrastructure security standards, policies, and documentation.
• Stay updated on emerging threats, vulnerabilities, and security technologies relevant to Interswitch’s environment. Interswitch -

ROLE REQUIREMENTS

• Bachelor’s degree in Computer Science, Information Security, or related field.
• 3–6 years of experience in information or infrastructure security, preferably within financial technology or enterprise environments.
• Experience implementing and managing security controls across cloud and on-premise infrastructure.
• Knowledge of systems administration, network security, firewalls, VPNs, IDS/IPS, endpoint protection, and vulnerability management tools.
• Familiarity with cloud security principles and services on AWS, Azure, or GCP.
• Understanding of security frameworks such as ISO 27001, NIST, and CIS benchmarks.
• Hands-on experience with scripting or automation (Python, PowerShell, Terraform, or Ansible) for security enforcement.
• Ability to analyze logs and security events and respond to incidents in collaboration with SOC teams.
• Relevant certifications preferred: CompTIA Security+, CEH, CCSP, AWS Certified Security Speciality, or equivalent