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Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

About Atos Group

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

Job Title: OT Security Administrator

Location: Mumbai / Bengaluru

Experience: 5 to 10 years

Employment Type: Permanent

Job Summary

We are seeking an experienced OT Security Administrator responsible for implementing, managing, and supporting cybersecurity controls across Operational Technology (OT) environments.

The ideal candidate should possess strong technical expertise in industrial control systems (ICS), SCADA environments, network security, firewall implementation, and OT security monitoring.

The candidate will play a key role in securing industrial infrastructure while ensuring operational continuity and compliance with industry standards.

Key Responsibilities:

OT Security Operations:

• Administer and maintain OT security solutions within industrial environments.
• Monitor OT networks for security events, anomalies, and potential threats.
• Perform vulnerability assessment coordination and remediation tracking for OT assets. Support security incident response and forensic investigations involving OT environments.
• Ensure continuous availability and security of critical OT systems.

OT Security Implementation:

• Implement and configure security controls across OT/ICS/SCADA environments.
• Implement network segmentation and micro-segmentation strategies across manufacturing zones.
• Configure secure remote access solutions for vendors and operational teams.
• Deploy Intrusion Detection Systems (IDS), Network Detection & Response (NDR), and Security Monitoring solutions in OT networks.
• Support implementation of Zero Trust principles within OT environments.

Compliance & Governance:

• Support compliance with: IEC 62443 NIST Cybersecurity Framework NERC CIP (where applicable) ISO 27001 Company OT Security Standards: Participate in security audits and risk assessments.
• Maintain system documentation, network diagrams, and standard operating procedures.

Asset & Patch Management:

• Maintain OT asset inventories and configuration baselines.
• Coordinate patching and security updates for industrial systems.
• Validate security controls before deployment to production environments.

Stakeholder Collaboration:

• Work closely with Operations, Engineering, Plant Teams, IT Security, and system integrators.
• Support new project deployments and cybersecurity assessments.
• Provide technical guidance on secure design and implementation of OT infrastructure.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.