New

Ot Cybersecurity Nozomi Consultant

Tata Consultancy Services
$110,000 - $130,000
sick time, 401(k)
United States, Ohio, Cincinnati
Oct 28, 2026
Job Description Must Have Technical/Functional Skills * 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. * Ability to produce site readiness checklists, low-level designs, bills of materials, implementation plans, test evidence, and handover-to-support documentation. * Experience creating virtual machines and virtual networking for Nozomi appliances and integrating sensors with the central management platform. * Working knowledge of passive OT asset discovery, communication-flow visibility, vulnerability identification, threat/anomaly detection, policy tuning, alert triage, and PCAP/log analysis. * Experience integrating Nozomi with SIEM and enterprise platforms such as Splunk, CMDB, and ServiceNow, including ticket-driven incident, request, change, and problem workflows. * Knowledge of industrial protocols, PLCs, RTUs, HMIs, SCADA systems, engineering workstations, OT DMZs, network segmentation, and operational-safety constraints. * Experience with platform health monitoring, patching, configuration management, backup/recovery coordination, capacity monitoring, audit evidence, and vendor escalation. * Working knowledge of IEC 62443, NIST SP 800-82, secure change management, and export-controlled or regulated delivery environments. Nozomi certification is preferred. * Good to have: Palo Alto or Check Point firewalls, Cisco Catalyst switching, Zscaler ZPA, CyberArk, RunZero, ServiceNow, Windows/Linux administration, and AWS/Azure fundamentals. Roles & Responsibilities * Support Nozomi implementation across applicable 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. * Configure Guardian/CMC assets, zones, policies, user access, alerts, dashboards, and integrations in accordance with the approved reference architecture and site requirements. * Perform passive asset discovery and baseline validation; tune detection policies during learning and stabilization to improve asset accuracy and reduce false-positive alerts. * Integrate Nozomi alerts and asset data with Splunk SIEM, CMDB, and ServiceNow where applicable, and validate end-to-end alert and ticket flows. * Investigate Nozomi incidents and service requests using alerts, PCAPs, logs, platform diagnostics, and vendor guidance; coordinate escalations with site teams, SOC, network teams, and Nozomi product support. * Execute or coordinate approved configuration changes, patching, health checks, minor defect fixes, capacity monitoring, and availability monitoring under established change controls. * Maintain implementation evidence, asset and configuration records, test results, issue logs, risk and dependency tracking, and audit-support documentation. * Provide operational knowledge transfer, SOPs, troubleshooting guides, s tabilization support, and formal handover-to-support acceptance for each completed site. * Work within ITAR and customer security requirements, following approved access, data-handling, record-keeping, and onsite/remote delivery controls. Generic Managerial Skills, If any Strong communication, stakeholder coordination, technical documentation, problem-solving, and the ability to work independently with global OT, network, SOC, infrastructure, and site teams. Salary Range: $110,000 - $130,000 per year TCS Employee Benefits Summary: Discretionary Annual Incentive. Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. Family Support: Maternal & Parental Leaves. Insurance Options: Auto & Home Insurance, Identity Theft Protection. Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement. Time Off: Vacation, Time Off, Sick Leave & Holidays. Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. Location Cincinnati, OH Function TECHNOLOGY Role Senior Engineer ID 434513 Skills Cyber Security Salary Range $110,000 - $130,000 Desired Candidate Profile Qualifications BACHELOR OF COMPUTER SCIENCE