OT Cybersecurity Nozomi Consultant

Tata Consultancy Services Ltd
  • Cincinnati, OH
  • $110,000–$130,000 Per Year
30+ days ago

Job Description

Role: Senior Engineer

Required Skills: Cyber Security

Qualification: BACHELOR OF COMPUTER SCIENCE

Experience: 8 - 15 Years

Function: TECHNOLOGY

Apply By: 2026-11-30

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.

Numbers & Facts

LocationCincinnati, OH
Salary$110,000–$130,000 Per Year

Skills

  • Amazon Web Services (AWS)unmatched
  • Analysis Skillsunmatched
  • Bill of Materials (BOM)unmatched
  • Centralized Operations/Managementunmatched
  • Change Controlunmatched
  • Change Managementunmatched
  • Change Requests/Ordersunmatched
  • Checkpoint Firewallunmatched
  • Cisco Catalyst Switchesunmatched
  • Communication Skillsunmatched
  • Computer Scienceunmatched
  • Computer Workstationsunmatched
  • Configuration Managementunmatched
  • Consultingunmatched
  • Data Recoveryunmatched
  • Documentationunmatched
  • Firewallsunmatched
  • Identify Issuesunmatched
  • International Electro-Technical Commission (IEC)unmatched
  • Internet Securityunmatched
  • Knowledge Transferunmatched
  • Legalunmatched
  • Linux Administrationunmatched
  • Loan Fundingunmatched
  • Low-Level Designunmatched
  • Maintenance Servicesunmatched
  • Microsoft Windows Azureunmatched
  • Microsoft Windows System Administrationunmatched
  • Network Architecture/Engineeringunmatched
  • Network Configuration Managementunmatched
  • Problem Solving Skillsunmatched
  • Product Supportunmatched
  • Programmable Logic Controller (PLC)unmatched
  • Record Keepingunmatched
  • Reporting Dashboardsunmatched
  • Riskunmatched
  • Security Information and Event Management (SIEM)unmatched
  • ServiceNowunmatched
  • Software Patchesunmatched
  • Splunkunmatched
  • Standard Operating Procedures (SOP)unmatched
  • Student Loansunmatched
  • Supervisory Control and Data Acquisition (SCADA)unmatched
  • Support Documentationunmatched
  • Systems Engineeringunmatched
  • Technical Writingunmatched
  • Testingunmatched
  • U.S. National Institute of Standards and Technology (NIST)unmatched
  • VLAN (Virtual Local Area Network)unmatched
  • Vendor/Supplier Evaluationunmatched
  • Virtual Machine (VM)unmatched

Level up your application

Professional resume templates

Browse dozens of recruiter approved resume templates, layouts and formats. Choose your favorite and make it your own in minutes.

Free resume templates

Resume Builder

Improve your existing resume or start from scratch and create a standout, ATS-friendly resume. Add job-specific content, download and apply.

Resume Builder