Senior OT Cybersecurity Engineer — Nozomi Guardian & CMC

Tata Consultancy Services Limited; Cincinnati (OH); On-site; USD 110,000 - 130,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Medical Coverage

401K Plan

Certification & Training Reimbursement

Vacation & Holidays

Job summary

Tata Consultancy Services Limited in Cincinnati, OH seeks a Senior Engineer to lead Nozomi Guardian and CMC deployments in OT/ICS environments, covering planning, design, and handover to operations.

You will validate site readiness, configure VM networks, integrate Nozomi with Splunk/ServiceNow, and ensure secure connectivity while complying with ITAR and customer security requirements.

Qualifications

• Hands-on experience designing, deploying, configuring, and operating Nozomi Guardian sensors and Nozomi Central Management Console (CMC) in OT/ICS environments.
• Experience reviewing site IT/OT architecture, network diagrams, VLANs, SPAN/RSPAN or TAP availability, sensor placement, connectivity, sizing, and firewall prerequisites.
• Experience creating virtual machines and virtual networking for Nozomi appliances and integrating sensors with the central management platform.

Responsibilities

• Support Nozomi implementation across Secure Connected Shop locations, covering planning, site discovery, readiness assessment, design, build, validation, stabilization, and handover to operations.
• Validate as-is OT network documentation and develop the Nozomi low-level design, bill of materials, sensor-placement plan, connectivity requirements, and implementation runbook for each assigned site.
• Create or coordinate the required VM and virtual networking, install and configure the Nozomi image, register the site and sensors in CMC, and validate secure connectivity.

Skills

Cyber Security

Education

Bachelor's degree in Computer Science or related field

Tools

Nozomi Guardian

Nozomi CMC

Job description

Tata Consultancy Services Limited in Cincinnati, OH seeks a Senior Engineer to lead Nozomi Guardian and CMC deployments in OT/ICS environments, covering planning, design, and handover to operations.

You will validate site readiness, configure VM networks, integrate Nozomi with Splunk/ServiceNow, and ensure secure connectivity while complying with ITAR and customer security requirements.