Top Tech Jobs & Startup Jobs in Chennai

Provides L2/L3 operational support for global enterprise networks, monitoring and troubleshooting LAN, WAN, SD-WAN, cloud, and security environments. Supports Cisco, Juniper, and Palo Alto technologies; resolves incidents, performs root cause analysis, executes upgrades and migrations, and participates in ITIL-based 24x7 operations. The role also collaborates with engineering, security, cloud, and vendor teams while driving automation, process improvements, and lifecycle management.

Lead cloud architecture and migration initiatives, primarily on GCP and AWS. Design secure landing zones, multi-tier infrastructure, IaC automation, CI/CD and DevSecOps workflows. Own migration planning through cutover, conduct architecture and cost reviews, establish monitoring and SRE practices, and guide client stakeholders and delivery teams. Build reusable tools, document technical frameworks, and provide technical leadership throughout implementation.

Lead identity and messaging readiness for Microsoft 365 tenant-to-tenant migrations. Own migration-wave entry criteria, risk assessments, remediation, sequencing, and coexistence planning. Troubleshoot Entra ID, Exchange Online, application access, consent, and service-principal issues; support cutovers and escalations; create runbooks, validation processes, evidence standards, and readiness reporting. Collaborate across technical and business teams, participate in extended-hours activities, and improve migration quality, risk reduction, and remediation performance.

Leads high-volume macOS device migrations between Microsoft 365 tenants in a 24x7 delivery model. Oversees shift readiness, runbook execution, ADE enrollment, device re-provisioning, incident resolution, queue management, SLA adherence, evidence capture, validation, hypercare, root cause analysis, and continuous improvement. Troubleshoots Jamf, Kandji, compliance, conditional access, certificates, and device identity issues while coordinating escalations and maintaining migration documentation.

Develop and modernize mainframe applications for cloud migration. Responsibilities include remediating COBOL applications for Micro Focus Enterprise Server on AWS, updating JCL and batch jobs, supporting CICS transactions, migrating DB2, VSAM, IDMS, and flat-file data, testing, documenting dependencies, resolving compatibility issues, and collaborating with cloud and DevOps teams on AWS deployments and CI/CD.

Lead enterprise application modernization, solution architecture, cloud migration, legacy assessment, and transformation planning. Define target architectures, govern technology choices, and manage technical risks across integrations, databases, cloud platforms, AI agents, security, and operations. Provide technical leadership through architecture reviews, proof-of-concepts, mentoring, and implementation. Design and maintain mainframe business logic while enabling cloud and mobile integration. Required experience includes 12–16 years overall and 5+ years in architecture leadership.

Designs and maintains automated testing frameworks and suites across functional, regression, integration, API, UAT, end-to-end, and performance testing. Integrates continuous testing into CI/CD pipelines, validates APIs and enterprise integrations, manages defects and quality metrics, and supports release readiness. Collaborates with engineering, DevOps, infrastructure, and business teams. The role may also involve AI quality engineering, including testing AI applications, prompt evaluation, hallucination testing, benchmark creation, and agent security validation.

Plan, design, execute, and validate migrations from legacy mainframe systems to Google Cloud. Assess DB2, VSAM, IMS DB, and file-based data; build extraction, transformation, validation, and loading processes; automate migration utilities; and ensure data integrity, security, governance, compliance, and business continuity. Collaborate with application, infrastructure, cloud, and business teams on large-scale modernization initiatives.

Diagnose and resolve complex infrastructure issues across servers, networks, cloud environments, and operating systems. Design and integrate hybrid cloud and on-premises solutions, automate workflows, document architectures, and coordinate delivery with architects, project managers, technicians, customers, and stakeholders. The role emphasizes enterprise IT, systems administration, cloud technologies, reliability, problem-solving, and continued technical growth toward architecture or distinguished engineering roles.

Administer and secure IBM z/OS mainframe environments using ACF2, RACF, and zSecure. Manage identities, access controls, authentication, authorization, security policies, audits, compliance reviews, incident investigations, vulnerability response, and monitoring. Support digital certificate deployment, PKI management, and IBM Z Pervasive Encryption. Collaborate with infrastructure, operations, application, and audit teams to strengthen enterprise mainframe security.