Sr OT Network Engineer

Tata Consultancy Services; Princeton (IN); On-site; USD 120,000 - 135,000; Full time

Benefits offered by this job

Discretionary annual incentive

Medical, Dental & Vision coverage

Family leave & parental leave

Identity theft protection

Commuter benefits

Certification & training reimbursement

Vacation & holidays

401K retirement plan

Job summary

Tata Consultancy Services is seeking a Sr OT Network Engineer to design, deploy, and maintain OT network infrastructure in a manufacturing setting. The role requires collaboration between IT and plant engineers to ensure secure, reliable performance with minimal downtime.

The ideal candidate has extensive experience in OT and enterprise networking, strong troubleshooting skills, and the ability to mentor local IT and operational staff.

Qualifications

• 10+ years of progressive network engineering experience in OT or manufacturing environments.
• Strong knowledge of enterprise networking and secure design for industrial settings.
• Ability to collaborate across IT and plant teams and train staff.

Responsibilities

• Serve as the onsite OT network engineer for initiatives and deployments.
• Lead deployment and adoption of OT network infrastructure.
• Design secure, resilient networks for industrial environments.
• Incorporate OT cybersecurity requirements including IDMZ and segmentation.
• Provide escalation support and coordinate with vendors and internal teams.
• Mentor IT support and operational staff on OT fundamentals.
• Contribute to project planning, cutovers, and maintenance.
• Translate business requirements into effective network solutions.

Skills

OT networking

Industrial networks

High availability

Communication

Mentoring

Education

Bachelor's in CS/CE/IT

Tools

Firewalls

IDMZ

VLANs

Routers & switches

Job description

Job Description

Must Have Technical/Functional Skills

We are seeking a highly skilled Sr OT Network Engineer to support the design, deployment, and ongoing reliability of Operational Technology network infrastructure in a manufacturing environment. This onsite role serves as a key technical resource and liaison between IT and plant engineering to ensure OT network solutions are delivered securely, efficiently, and with zero unplanned downtime.

The ideal candidate is a hands-on network professional with strong OT and enterprise networking experience, proven ability to work in manufacturing environments, and a collaborative approach to supporting both technical teams and non-technical stakeholders.

support by resolving technical support incidents or service requests in accordance with applicable service level agreements

Roles & Responsibilities

• Serve as the onsite network engineer for OT-related initiatives.
• Lead the deployment and adoption of OT network infrastructure.
• Support the design and implementation of secure, resilient network architectures for industrial and manufacturing environments.
• Ensure OT cybersecurity requirements are incorporated into network solutions, including segmentation, IDMZ, and access control practices.
• Provide escalation support for network incidents and coordinate issue resolution with internal teams and vendors as needed.
• Assist with network standards, implementation practices, and documentation for OT environments.
• Mentor and train local IT support teams and operational staff on OT network fundamentals and troubleshooting.
• Contribute to project planning, cutovers, maintenance activities, and operational readiness.
• Collaborate with stakeholders to translate business and production requirements into effective network solutions

Candidates should have experience with a broad mix of enterprise and OT networking technologies, including:

• Enterprise LAN/WAN networks
• OT / industrial network environments
• Network segmentation and secure network design
• IDMZ architecture
• Firewalls and secure connectivity
• VLANs, routing, switching, and redundancy
• Network monitoring and troubleshooting
• Wireless networking in industrial or manufacturing settings
• High availability network design
• Support for plant-floor, automation, and edge-connected systems
• Industrial network connectivity and protocols

Required Qualifications

• 10+ years of progressive network engineering experience.
• Experience supporting OT, industrial, or manufacturing network environments.
• Strong knowledge of enterprise networking and secure network design.
• Demonstrated ability to collaborate across IT and plant teams.
• Experience troubleshooting complex network issues in high-availability environments.
• Strong communication and interpersonal skills, with the ability to work effectively with technical and non-technical stakeholders.
• Experience supporting deployments, maintenance windows, cutovers, and operational support activities.
• Ability to train and mentor support personnel and operational teams.
• Strong ownership mindset and ability to drive tasks through completion.

Preferred Qualifications

• Experience in manufacturing, industrial, or plant-floor environments.
• Familiarity with OT cybersecurity concepts, IDMZ, and segmentation strategies.
• Experience with automation, controls, or industrial systems networking.
• Background supporting large-scale OT network deployments or plant modernization efforts.
• Experience working with production engineering, maintenance, and operations teams.
• Certifications such as CCNA, CCNP, CISSP, or other networking/security credentials.

Experience developing network standards, deployment procedures, or architecture guidance for OT environments

Salary Range: $120,000 - $135,000 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.

Qualifications:

BACHELOR OF COMPUTER SCIENCE