OT Security Analyst

UltraViolet Cyber; Hyderabad; On-site; INR 800,000 - 1,200,000; Full time

Job summary

A cybersecurity firm in Hyderabad is hiring an OT Security Analyst with 3+ years of experience to enhance its operational technology security. The role involves implementing security controls, performing risk assessments, and collaborating with teams to secure industrial environments. The ideal candidate will have a strong understanding of ICS protocols and be proficient with relevant OT security tools.

Qualifications

• 3+ years of experience in OT/ICS cybersecurity or related roles.
• Strong understanding of ICS protocols like Modbus, DNP3, OPC.
• Experience with industrial devices and systems like PLCs, SCADA, and RTUs.

Responsibilities

• Implement and support security controls for OT assets.
• Perform risk assessments and define segmentation strategies.
• Collaborate with teams for secure implementation and support.

Skills

OT/ICS cybersecurity

ICS protocols (Modbus, DNP3, OPC)

Industrial devices and systems (PLCs, SCADA, RTUs)

Communication skills

Tools

Claroty

Nozomi

Armis

Tenable.ot

SIEM tools

Job description

Overview

4 weeks ago Be among the first 25 applicants

We are looking for a hands-on and motivated OT Security Analyst with around 3 years of experience in securing Operational Technology (OT) and Industrial Control Systems (ICS) environments. This role will support the implementation and improvement of our manufacturing security program. You will play a key part in shaping OT security strategies, supporting the deployment of security controls, and collaborating with cross-functional teams to strengthen our OT security posture.

Key Responsibilities

• Implement and support security controls for PLCs, HMIs, SCADA systems, RTUs, and other OT assets.
• Perform risk assessments, define segmentation strategies, and contribute to OT security baselines.
• Work with OT security tools such as Claroty, Nozomi, Armis, or Tenable.ot to monitor and protect industrial networks.
• Collaborate with plant operations, engineering, and OT vendors for secure implementation and lifecycle support.
• Assist in SIEM log integration, alert triage, and incident investigation related to OT systems.
• Support network segmentation, firewall configuration, and passive traffic monitoring within OT environments.
• Participate in the creation of documentation, playbooks, and process improvements for OT security operations.
• Required Skills & Qualifications:
• 3+ years of experience in OT/ICS cybersecurity or related roles.
• Strong understanding of ICS protocols like Modbus, DNP3, OPC, etc.
• Experience with industrial devices and systems (PLCs, SCADA, RTUs, robotic automation).
• Familiarity with OT-specific risks and the unique constraints of industrial environments.
• Exposure to OT security tools (e.g., Claroty, Nozomi, Armis, Tenable.ot).
• Working knowledge of SIEM tools, firewalls, and network segmentation in OT setups.
• Good communication skills and the ability to work with multi-disciplinary teams.

Preferred (Nice to Have)

• Certifications like GICSP, GRID, IEC 62443 or other OT security credentials.
• Familiarity with NIST CSF, IEC 62443, or related cybersecurity frameworks.
• Experience working in manufacturing or industrial sectors.

Seniority level

• Associate

Employment type

• Full-time

Job function

• Information Technology

Industries

• Transportation, Logistics, Supply Chain and Storage