OT Infrastructure Solution Architect

Cognizant; Nashville (TN); On-site; USD 110,000 - 165,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

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 Nashville to lead architecture for industrial OT environments. The role requires 16+ years of experience and excludes visa transfer or sponsorship.

You will drive secure IT/OT integration, network segmentation, and support governance and migration efforts. You will collaborate with client architects, site teams, security teams, and infrastructure SMEs to capture requirements and validate both current and target-state architectures

Qualifications

• Must have extensive knowledge of Windows/Linux operating systems, DNS, DHCP, NTP, DFS.
• Experience with storage and data backup architectures and practices.
• Expertise in OT platforms and industrial systems.
• Strong focus on industrial networking, security controls, and risk management.

Responsibilities

• Understand and validate the OT infrastructure architecture and technology stack.
• Collaborate with client architects, program stakeholders, site teams, security teams, and infra SMEs to capture requirements.
• Assess current-state environments, identify dependencies, constraints, integrations, and migration considerations.
• Validate target-state OT architecture across network, IAM, endpoints, security tooling, and ops components.
• Define and review network segmentation aligned with Purdue Model principles (IT vs. OT layers).
• Provide architecture guidance for secure IT/OT integration and approved security standards.
• Validate integration architecture for Active Directory, Privileged Access Management, PKI, endpoint protection, ePolicy Orchestrator, SCCM, and related services.
• Review designs, high/low level designs, implementation plans, and migration approaches for architecture alignment.
• Act as technical design authority for architecture queries, exceptions, and deviations.
• Identify risks, gaps, security concerns, dependencies, and blockers; drive timely resolution with stakeholders.
• Support governance forums, design reviews, architecture walkthroughs, and decision reviews with clear outcomes.
• Ensure engineering and migration deliverables are scalable, secure, and aligned with enterprise standards and timelines.

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.