Senior Infrastructure Architect - Mainframe & Database Platforms

Senior Infrastructure Architect - Mainframe & Database Platforms

About the role

As a Senior Infrastructure Architect, you will provide technical leadership and architecture expertise across enterprise mainframe and database platforms, including IMS, IDMS, Datacom, DB2, and z/OS. You will design and support secure, resilient, and scalable infrastructure solutions that enable mission-critical business services while ensuring operational excellence, performance optimization, and compliance with enterprise technology standards.

In this role, you will

• Design and implement end-to-end infrastructure solutions across IMS, IDMS, Datacom, DB2, and z/OS environments that align with enterprise architecture standards and business objectives.
• Lead the integration of mainframe databases and z/OS subsystems to ensure high availability, reliability, scalability, and performance.
• Provide advanced technical guidance for IMS administration, including configuration, maintenance, troubleshooting, performance tuning, and incident resolution.
• Manage IDMS environments, optimizing resource utilization, database regions, and data access strategies to support business-critical workloads.
• Administer Datacom environments, including schema management, backup and recovery processes, and performance optimization initiatives.
• Oversee z/OS administration activities, including system configuration, workload management, security controls, and capacity planning.
• Perform DB2 system administration tasks, including subsystem configuration, storage management, performance tuning, and optimization of database operations.
• Partner with development, engineering, and operations teams to translate business needs into scalable infrastructure solutions.
• Implement monitoring, alerting, and reporting capabilities to proactively identify issues and support capacity management decisions.
• Coordinate infrastructure changes and releases through controlled deployment processes and impact assessments.
• Lead the resolution of complex incidents, conduct root cause analysis, and implement preventative measures to improve platform stability.
• Develop and maintain architecture documentation, operational procedures, configuration standards, and technical runbooks.
• Provide recommendations for security hardening, compliance adherence, and data protection strategies across supported platforms.

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office Hartford, CT city, state. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• Bachelor''s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience.
• Extensive experience administering and supporting enterprise mainframe environments.
• Strong hands-on expertise with IMS, IDMS, Datacom, DB2, and z/OS platforms.
• Experience designing highly available and scalable infrastructure architectures.
• Proven experience with performance tuning, capacity planning, monitoring, and incident management.
• Strong understanding of mainframe database administration, backup and recovery processes, and system optimization techniques.
• Experience working within enterprise change management and release management frameworks.
• Knowledge of infrastructure security, compliance requirements, and risk management principles.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and stakeholder management skills.

These will help you stand out

• Experience supporting large-scale enterprise or global mainframe environments.
• Knowledge of automation and operational efficiency tools within z/OS ecosystems.
• Experience implementing observability, monitoring, and performance management solutions.
• Familiarity with regulatory compliance frameworks and security best practices.
• Experience mentoring technical teams and providing architecture leadership across multiple initiatives.

Salary and Other Compensation:

Applications will be accepted until November 5, 2026.

The annual salary for this position is between $88,000 - $130,000 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 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 contributions
• 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.

Additional employment information

Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Applicants for US based positions must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for US based positions.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com for roles based in the Americas or CareersIndia2@cognizant.com for roles based in India.

About Cognizant:

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.