Senior OT Infrastructure Architect — Secure IT/OT

Cognizant; Lincoln (NE); 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 and contribution

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking an OT Infrastructure Solution Architect to design and validate industrial IT/OT infrastructure across networks, identity, and security domains. You will collaborate with site teams, security, and architecture stakeholders to capture requirements and guide secure IT/OT integration, including AD, PKI, and endpoint solutions.

Role requires deep expertise in Windows/Linux, storage, OT platforms, and industrial network security, with a focus on Purdue Model-aligned segmentation

Qualifications

• Experience with Windows/Linux operating systems and core services.
• Knowledge of storage and backup strategies.
• Familiarity with OT platforms and industrial networks.

Responsibilities

• Understand and validate the overall OT infrastructure architecture and associated technology stack.
• Collaborate with Client’s Technical Architects, program stakeholders, site teams, security teams, and infrastructure SMEs to capture business, technical, operational, compliance, and site-specific requirements.
• Assess current-state site environments and identify architecture dependencies, technical constraints, integration requirements, and migration considerations.
• Validate target-state OT infrastructure architecture across network, identity, access management, endpoint management, security tooling, and operational support components.
• Define, review, and validate network segmentation strategy aligned with Purdue Model principles, including separation of enterprise IT, site operations, industrial DMZ, supervisory control, and control system layers
• Provide architecture guidance for secure IT/OT integration, ensuring that communication paths, access patterns, and infrastructure services are aligned with approved security and operational standards.
• Validate integration architecture for core infrastructure components such as Active Directory, Privileged Access Management, Public Key Infrastructure, endpoint protection, ePO, SCCM, and related enterprise services.
• Review engineering designs, build documents, high-level designs, low-level designs, implementation plans, and migration approaches to ensure consistency with the approved architecture.
• Act as a technical design authority for architecture-related queries, design decisions, technical exceptions, and implementation deviations.
• Identify architecture risks, design gaps, security concerns, operational dependencies, and implementation blockers, and work with stakeholders to drive timely resolution.
• Support governance forums, design review meetings, architecture walkthroughs, and technical decision reviews with clear recommendations and documented outcomes.
• Ensure that engineering and migration deliverables are scalable, secure, supportable, and aligned with enterprise architecture standards and program timelines

Skills

OS and Core Services

Storage and backup

OT Platforms

Industrial Network and Security

Job description

Cognizant is seeking an OT Infrastructure Solution Architect to design and validate industrial IT/OT infrastructure across networks, identity, and security domains. You will collaborate with site teams, security, and architecture stakeholders to capture requirements and guide secure IT/OT integration, including AD, PKI, and endpoint solutions.

Role requires deep expertise in Windows/Linux, storage, OT platforms, and industrial network security, with a focus on Purdue Model-aligned segmentation