Analyst II - Information Security

UST; Thiruvananthapuram; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

A leading technology firm in Thiruvananthapuram, India, is seeking an experienced OT Security Engineer to support Threat and Vulnerability Management initiatives. The ideal candidate will have over 4 years of experience in OT security, focusing on securing industrial control systems (ICS) and SCADA. Responsibilities include vulnerability scanning, incident response, and coordinating remediation efforts. This role offers an opportunity to work with cross-functional teams to align IT and OT security strategies.

Qualifications

• 4+ years of experience in OT security, OT infrastructure, and related cybersecurity roles.
• Strong understanding of industrial control systems (ICS), SCADA, and network segmentation.
• Hands-on experience with TVM tools and processes.

Responsibilities

• Support TVM activities across OT environments, including vulnerability scanning, assessment, and remediation tracking.
• Collaborate with infrastructure teams to ensure secure configuration and patch management of OT assets.
• Analyse and respond to security incidents related to OT systems.

Skills

Vulnerability management

Security operations center

Threat intelligence

Incident response

Job description

Role Description

We are seeking a skilled OT Security Engineer with strong infrastructure knowledge to support our Threat and Vulnerability Management (TVM) initiatives across Operational Technology environments. The ideal candidate will be responsible for securing OT systems, identifying and mitigating vulnerabilities, and ensuring compliance with cybersecurity standards.

Key Responsibilities

• Support TVM activities across OT environments, including vulnerability scanning, assessment, and remediation tracking.
• Collaborate with infrastructure teams to ensure secure configuration and patch management of OT assets.
• Analyse and respond to security incidents related to OT systems.
• Implement and maintain security controls for ICSS/SCADA systems, PLCs, and other industrial devices.
• Develop and maintain asset inventories and risk profiles for OT environments.
• Work with cross-functional teams to ensure alignment between IT and OT security strategies.
• Assist in the deployment and tuning of security tools (e.g., Defender for IoT, Nessus, Qualys).
• Document and report vulnerabilities, remediation status, and risk posture to stakeholders.
• Stay updated on emerging OT threats, vulnerabilities, and mitigation techniques.

Required Skills & Experience

• 4+ years of experience in OT security, OT infrastructure, and related cybersecurity roles.
• Strong understanding of industrial control systems (ICS), SCADA, and network segmentation.
• Hands‑on experience with TVM tools and processes.
• Familiarity with Microsoft Defender, SIEM, and endpoint protection in OT environments.
• Knowledge of network protocols used in OT (Modbus, DNP3, OPC, etc.).
• Experience with firewalls, IDS/IPS, and network monitoring tools.
• Ability to interpret CVEs and coordinate remediation with engineering teams.
• Excellent communication and documentation skills.

Skills

• Vulnerability management
• Security operations center
• Threat intelligence
• Incident response