OT Infrastructure Architect: Secure, Scalable OT Solutions

Cognizant; Springfield (IL); On-site; USD 110,000 - 165,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays plus Paid Time Off

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 in Springfield, IL. The role focuses on validating and guiding OT infrastructure architecture, collaborating with client teams and security groups to capture requirements and ensure secure IT/OT integration.

Responsibilities include architecture validation across core services, network segmentation per Purdue Model, and review of design documents. Competitive salary ranges and Cognizant incentives apply.

Qualifications

• Operating Systems and Core Services (Windows/Linux, DNS, DHCP, NTP, DFS)
• Storage & backup
• OT Platforms
• Industrial Network & Security

Responsibilities

• Understand and validate the overall OT infrastructure architecture and associated technology stack.
• Collaborate with architects, stakeholders, site teams, security, and SMEs to capture 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 and validate network segmentation per Purdue Model across IT, OT, DMZ, and control layers.
• Provide architecture guidance for secure IT/OT integration, ensuring communication paths, access patterns, and infrastructure services align with security standards.
• Validate integration architecture for core infrastructure components such as Active Directory, PAM, PKI, endpoint protection, ePO, SCCM, and related services.
• Review engineering designs, build documents, high-level and low-level designs, implementation plans, and migration approaches for architectural consistency.
• Act as a technical design authority for architecture queries, decisions, exceptions, and deviations.
• Identify architecture risks, design gaps, security concerns, dependencies, and blockers, driving timely resolutions.
• Support governance forums, design reviews, architecture walkthroughs, and technical decision reviews with clear recommendations.
• Ensure engineering and migration deliverables are scalable, secure, and aligned with enterprise standards and timelines.
• Applications will be accepted until 10/9/2026.
• The annual salary for this position is between $110,000-$165,000 depending on experience and other qualifications.

Skills

Operating Systems & core services

Storage & backup

OT Platforms

Industrial Network & Security

Job description

Cognizant is seeking an OT Infrastructure Solution Architect in Springfield, IL. The role focuses on validating and guiding OT infrastructure architecture, collaborating with client teams and security groups to capture requirements and ensure secure IT/OT integration.

Responsibilities include architecture validation across core services, network segmentation per Purdue Model, and review of design documents. Competitive salary ranges and Cognizant incentives apply.