Infrastructure Architect

Credera, trading as Areteans Technology is a global consulting firm that combines transformational consulting capabilities, deep industry knowledge, and AI and technology expertise to deliver valuable customer experience and accelerated growth across a broad range of industries worldwide. Our one-of-a-kind global boutique approach means we provide our clients with tailored solutions unique to their organization that can scale due to our extensive footprint. As a values-led organization, our mission is to make an extraordinary impact on our clients, our people, and our community. We believe it is this approach that has allowed us to work with and transform the most influential brands and organizations in the world, from strategy through to execution. More information is available at www.credera.com . We are part of the OPMG Group of Companies, a division of Omnicom Group Inc.

Job Title: Infrastructure Architect Job Role: Administrator Job Type: Full Time Work Mode: Hybrid (3 Days per week Work From Office) Location: Hyderabad, Bangalore, Chennai, Kolkata, Bhubaneshwar, Gurgaon

Job Description: Project Overview We are seeking a highly skilled Infrastructure Lead to spearhead platform modernization. This role focuses on the end to-end infrastructure lifecycle of upgrading on-premises Pega environment from version 8.6.6 to the latest Pega Infinity '25 release. The successful candidate will transition legacy stack to a modern, containerized architecture while ensuring zero-downtime availability.

SKILLS & EXPERIENCE Essential Technical Qualification: • Overall 7+years and 5+ years relevant infrastructure experience for at least 2-3 projects. • Containerization: Deep experience with Kubernetes (K8s), Docker, and Helm. • OS & Middleware: Advanced knowledge of Linux (Ubuntu) and Application Servers (Apache Tomcat). • Database: Strong SQL skills • Search & Data: Proficiency in configuring OpenSearch (which replaces older Elasticsearch versions) and Kafka-based Stream services.

Key Responsibilities: • Architectural Transition: Lead the migration from legacy VM-based deployments to a containerized environment (Kubernetes). • Upgrade Execution: Perform "Out-of-Place" upgrades. • Infrastructure Automation: Utilize Pega Helm Charts to automate the deployment of web, batch, and stream tiers in the new environment. • Database Optimization: Collaborate with DBAs to manage schema changes, specifically focusing on the Split Schema architecture. • Connectivity & Security: Reconfigure and validate Load Balancers, SSL/TLS certificates, and integration endpoints (REST/SOAP/Kafka) for the new version. • Performance Tuning: Optimize JVM settings, Hazelcast clustering, and Kafka/Stream service configurations. • Zero-Downtime Planning: Design and execute a deployment strategy to minimize business impact during the cutover.