OT Security Architect: Industrial Compliance & Defense

Tata Consultancy Services Limited; Cincinnati (OH); On-site; USD 130,000 - 160,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Comprehensive Medical Coverage

Family Support: Maternal & Parental Le

Insurance Options: Auto & Home

Commuter Benefits & Training Reimburse

Vacation & Holidays

Job summary

Tata Consultancy Services Limited is seeking an OT Cybersecurity Architect/Engineer to deploy and operate OT security tools across multiple sites. The role focuses on Nozomi Guardian/CMC, Zscaler ZIA/ZPA, and CyberArk PAM/PSM within OT/ICS environments.

You will shape OT security strategies, reference architectures, and compliance readiness with CMMC, EASA Part-IS, and NIS2. The position covers 15 partial OTN sites with global coordination and stakeholder engagement.

Qualifications

• Hands-on experience deploying and operating OT security tools.
• Experience defining OT malware scanning and wireless security strategies.
• Experience developing OT reference architectures and adoption guidance.
• Knowledge of CMMC, EASA Part-IS, NIS2, IEC 62443, and NIST SP 800-82.

Responsibilities

• Provide OT tools deployment support for Nozomi, Zscaler, and CyberArk across 15 partial OTN sites.
• Define OT Malware Scanning Strategy and documentation.
• Define OT Wireless Strategy with RF planning and security controls.
• Publish revised OT Reference Architecture Design for new sites.
• Support compliance readiness for CMMC, EASA Part-IS, and NIS2.

Tools

Nozomi Guardian/CMC

Zscaler ZIA/ZPA

CyberArk PAM/PSM

OT malware scanning

OT wireless security

OT reference architectures

CMMC

NIS2

IEC 62443

Job description

Tata Consultancy Services Limited is seeking an OT Cybersecurity Architect/Engineer to deploy and operate OT security tools across multiple sites. The role focuses on Nozomi Guardian/CMC, Zscaler ZIA/ZPA, and CyberArk PAM/PSM within OT/ICS environments.

You will shape OT security strategies, reference architectures, and compliance readiness with CMMC, EASA Part-IS, and NIS2. The position covers 15 partial OTN sites with global coordination and stakeholder engagement.