OT Network & Security Advisor

Tata Consultancy Services; Tamil Nadu; On-site; INR 650,000 - 950,000; Full time

Job summary

Tata Consultancy Services is seeking an OT Network & Security Advisor with 10–15 years of experience to lead IT/OT network assessments and security design for industrial environments across PAN India.

You will design high- and low-level networks, configure IT-OT devices, review firewall rules, and deploy OT security tools (D4IOT, Armis, Claroty, Nozomi) with secure remote access, aligned to NIST, ISA99, IEC62443 and NERC standards.

Strong PLC/SCADA/Historian/DCS/MES knowledge is essential.

Qualifications

• Experience in IT OT network assessment and solution design for industrial environments.
• Experience in high and low level network solution design.
• Hands-on with configuring IT-OT network devices and firewall review.
• Experience with OT security tools and secure remote access deployment.

Skills

IT/OT network

Security assessment

Network design

Firewall design

OT security tools

NIST/ISA99/IEC62443

Industrial control systems

Education

IEC62443 Certification

CCNA Certification

Tools

MS D4IOT

Armis

Claroty

Nozomi

Secure remote access

Job description

Job Title: OT Network & Security Advisor

Experience Range: 10- 15 Years

Location: Pan India

Must-Have:

• Experience in IT OT network & security assessment and solution design for industrial environment for process, manufacturing & Utility etc
• Experience in high level and low-level network solution design
• Hands-on experience configuring IT - OT network infrastructure devices - Network architecture/ switches/ routers/ firewall tools, rule review firewalls/ DMZ/AD etc
• Experience with firewall solution design, rule review etc
• Experience with OT security tools like MS D4IOT, Armis, Claroty . Nozomi & Secure remote access solution deployment
• Working knowledge of Current OT security and safety regulation/standards/guidelines like NIST, ISA99, ANSI,NERC, IEC-62443, NIST 800 82 etc
• Good understanding of Industrial control system / Operational technology (PLC/SCADA/Historian / DCS/ MES)

Good-to-Have:

• Certifications in IEC62443. CCNA,