Senior OT Infrastructure Architect: Secure, Scalable Networks

Cognizant; Trenton (NJ); On-site; USD 110,000 - 165,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays + PTO

401(k) plan

Disability insurance (Long/Short-term)

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking an OT Infrastructure Solution Architect with 16+ years of experience to lead and validate complex OT infrastructure architectures in a U.S. healthcare/industrial context.

The role requires collaboration with client architects, site teams, and security offices to ensure aligned design, migration planning, and secure integration across IT/OT domains. Responsibilities include validating target-state architecture, reviewing designs and migration approaches, and driving

Qualifications

• 16+ years of OT infrastructure and architecture experience.
• Strong knowledge of Windows/Linux, DNS, DHCP, NTP and DFS.
• Experience with OT platforms, industrial networking, and security practices.

Responsibilities

• Understand and validate OT infrastructure architecture and technology stack.
• Collaborate with client architects, stakeholders, site teams, security, and SMEs to capture requirements.
• Assess current environments and identify dependencies, constraints, and migration needs.
• Validate target-state architecture across network, identity, access management, and security tooling.
• Define network segmentation aligned with Purdue Model principles and enterprise IT boundaries.
• Provide guidance for secure IT/OT integration and compliant operations.
• Review designs, high/low-level designs, and migration plans for consistency.
• Act as technical design authority for queries and deviations.
• Identify risks, gaps, and blockers; drive timely resolutions.
• Support governance forums, design reviews, and architectural walkthroughs.
• Ensure deliverables are scalable, secure, and aligned with standards.

Skills

OS & core services

Storage & backup

OT Platforms

Industrial security

Job description

Cognizant is seeking an OT Infrastructure Solution Architect with 16+ years of experience to lead and validate complex OT infrastructure architectures in a U.S. healthcare/industrial context.

The role requires collaboration with client architects, site teams, and security offices to ensure aligned design, migration planning, and secure integration across IT/OT domains. Responsibilities include validating target-state architecture, reviewing designs and migration approaches, and driving