**Job ID:** 51567224 **Location:** Buenos Aires, Argentina **Category:** Software Engineering **Employment Type:** Full time **Job Description:** At DXC we use the power of technology to deliver mission critical IT services that our customers need to modernize operations and drive innovation across their entire IT estate. We provide services across the Enterprise Technology Stack for business process outsourcing, analytics and engineering, applications, security, cloud, IT outsourcing and modern workplace. Our DXC IT Outsourcing services provides customers with reliable, optimized, and secure mission\-critical systems at lower cost. We manage and simplify existing infrastructure investments and provide a way forward to modernize IT, including moving portions to the cloud. **About This Role** Modernization as a Service (MaaS) is a horizontal practice, supporting all business verticals in the company. We are looking for a Senior Mainframe Developer who will be able to work with different modernization projects. **What You Will Do:** * Analyze, understand, and enhance existing mainframe codebase (COBOL, JCL, CICS, DB2, IMS). * Extract and transform business logic from mainframe systems for migration to modern architecture. * Troubleshoot, debug, and resolve issues within mainframe applications during migration. * Collaborate with Java and client teams to ensure smooth transition and accurate functionality replication. * Provide knowledge transfer and documentation of mainframe components and processes. **Who Your Are:** * Proficiency in COBOL development and JCL (5\+ years). * Strong debugging, performance tuning, and problem\-solving skills. * Experience with CICS transactions and DB2 database programming. * Solid understanding of mainframe batch and online processing. * Experience working in distributed, global teams with US customers. * Excellent communication skills for collaboration with client teams. * Experience with IMS, VSAM, or HLASM. * Familiarity with large\-scale system migrations and modernization projects. * Understanding of integration between mainframe and cloud\-based systems. * Prior experience in banking or financial services industry. * Knowledge of automation tools for mainframe testing and deployment. * English: B2 Upper Intermediate Joining DXC connects you to brilliant people who embrace change and seize opportunities to advance their careers and amplify customer success. At DXC we support each other and work as a team — globally and locally. Our achievements demonstrate how we deliver excellence for our customers and colleagues. You will be joining a team that works to create a culture of learning, diversity and inclusion and are dedicated to strong ethics and corporate citizenship. At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in\-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive. **Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf.*****.***