Software Engineer (III) - Core Senior Engineer

Overview: TekWissen is a global workforce management provider throughout India and many other countries in the world. The below client is a global company with shared ideals and a deep sense of family. From our earliest days as a pioneer of modern transportation, we have sought to make the world a better place one that benefits lives, communities and the planet Job Title: Software Engineer (III) - Core Senior Engineer Location: Chennai Work Type: Hybrid (4 Days work From Office) Position Description: - Platform & Job Migration: Lead the migration, compilation, and testing of DataStage Parallel and Server jobs, custom routines, and shared containers from the legacy server to the new target server. - Environment & Profile Setup: Configure and optimize user profiles and establish all system-level environment variables on the new Unix server to guarantee smooth engine performance. - Linux Directory & Project Architecture: Design, set up, and provision secure project directories and folder structures on the new Linux server, ensuring correct user permissions, group access, and storage allocations. - Automation Scripting: Write, refactor, and maintain robust Bash shell scripts to automate pre-migration backups, job deployment, validation checks, and post-migration cleanup. - Legacy Script Migration (Perl): Analyze, migrate, and troubleshoot existing Perl scripts and custom Perl modules, ensuring compatibility with the new Linux OS and resolve any dependency issues. - Data Ingestion & Connectivity Setup: Configure and test secure file transfer protocols (SFTP) and network/API utilities (cURL) to ensure seamless data exchange with external systems and endpoints on the new server. - Testing & Validation: Perform comprehensive parallel-run testing and data-reconciliation checks between the old and new environments to ensure data parity, zero job failures, and zero data loss. - Documentation & Handover: Document the migration steps, updated environment configurations, and automation scripts to hand over to the operations and support teams. Required Technical Skills ETL Platform: - Hands-on experience with IBM InfoSphere DataStage (v17.x preferred), including deep knowledge of both Parallel and Server jobs, routines, and stages. - Operating Systems: Strong administration experience with Unix/Linux (Suse preferred). - Scripting Languages: Strong, production-grade knowledge of Bash scripting for task automation and system monitoring. - Solid proficiency in Perl scripting and managing/troubleshooting Perl modules. - SQL knowledge for verifying database connections and data validation on the new server Familiarity with scheduling tools (e.g., Control-M, Autosys, or Cron). - System Configuration: Proven experience setting up Linux user profiles, group permissions, directory paths, and environment variables. - File Transfer & Networking: Hands-on experience using SFTP and cURL for secure data movement and API testing. - Problem-Solving: Exceptional troubleshooting skills to resolve compilation errors, library dependency issues, and network connectivity blockers during migration. Skills Required: - Extract Transform Load (Etl) Skills Preferred: - Unix Experience Required: - Senior Engineer Exp: Proficient In 2 coding lang. or adv. Prac. in 1 lang.; guides. - 10+ years in IT; 8+ years in development Experience Preferred: - DataStage, ETL, The ideal candidate possesses a deep understanding of DataStage architecture (Parallel and Server jobs), extensive experience in Unix/Linux system configuration, and strong scripting capabilities (Bash and Perl) to automate and validate the migration process. Education Required: - Bachelor's Degree Education Preferred: - Bachelor's Degree TekWissen Group is an equal opportunity employer supporting workforce diversity.