OT Infrastructure Solution Architect

Cognizant; Pierre (SD); 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 to lead and validate enterprise OT architecture across networks, security tooling, and identity management. The role requires collaboration with client architects, site teams, and security stakeholders to ensure compliant, scalable designs.

Responsibilities include evaluating current environments, guiding integration plans, and addressing architecture risks while aligning with enterprise standards and program timelines.

Qualifications

• 16+ years of experience in OT/IT infrastructure architecture and related roles.
• Demonstrated ability to lead complex design reviews and architecture governance.
• Strong understanding of Purdue Model principles and OT security concepts.

Responsibilities

• Understand and validate the OT infrastructure architecture and technology stack.
• Collaborate with architects, stakeholders, site teams, security and SMEs to capture requirements.
• Assess current-site environments, identify constraints, integration needs, and migration paths.
• Validate target OT architecture across network, identity, access management, and security tooling.
• Define and align network segmentation with Purdue Model layers (IT, OT, DMZ, control).
• Provide architecture guidance for IT/OT integration and secure communications.
• Review designs, high/low-level docs, and migration approaches for consistency.

Skills

OS & Core Services

Storage & backup

OT Platforms

Industrial Network & Security

Job description

OT Infrastructure Solution Architect

Experience: 16+ years

Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Required Skills:

• 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 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

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 of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and is subject to the terms of Cognizant’s applicable plans.

Benefits:

Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

• 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

Disclaimer:

The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.