Mainframe Modernization Architect (Specialist)

Description

Job Summary: We are seeking a Mainframe Modernization Architect (Specialist) to lead the transition and modernization of legacy code and integrate mainframe environments with new architectures and cloud. Key Highlights: 1. Technical leadership in legacy code modernization. 2. Design of hybrid architectures and system integration. 3. Team upskilling and production risk mitigation. ### **Join South System and take off!** We are looking for a Mainframe Modernization Architect (Specialist) to board our spacecraft and, together, drive people and businesses forward through innovation. **Location: Remote** **Responsibilities:** * Design and Architecture: Structure the logical layer, define domain boundaries, and design integration between mainframe environments and new architectures such as microservices, OpenShift, and cloud environments. * Replatforming and Legacy Code Modernization: Provide technical leadership for the transition and modernization of legacy code, leveraging practical knowledge of portability, performance, and compilers (preparing systems for COBOL-to-other-languages migration strategies). * Integrations and APIs: Develop and architect complex, secure interfaces to enable communication between logic extracted from mainframes and open platforms (e.g., Linux/Unix environments). * Technical Leadership and Mentoring: Serve as the technical bridge between legacy and the new ecosystem, upskilling current teams on new technologies, mitigating production risks (parallelism and batch processing), and defining safe integrated testing strategies. **Mandatory Requirements:** * Proven senior-level experience in development, maintenance, and architecture within the Mainframe ecosystem (COBOL, CICS, DB2, VSAM, JCL). * Demonstrated hands-on experience designing hybrid architectures and familiarity with Cloud solutions (AWS or Azure). * Experience with reverse engineering strategies, pattern analysis, and legacy system replatforming. Knowledge of CDC \- Change Data Capture and coexistence strategies. * Solid understanding of integrating mission-critical systems with open platforms (Linux, Unix) and building APIs. * Strong grasp of architectural best practices, such as DDD \- Domain\-Driven Design. * Practical knowledge of monitoring and observability concepts. **Benefits that make a difference:** * Courses and certifications on **Udemy**, curated and guided by the Business Partner team per team recommendations. * **Remote work allowance** to make your daily routine more comfortable. * **Financial education** to support your economic well-being. * **Flash Card.** Interested in this opportunity? Now we want to continue showing why being part of South is so special: * We are recognized by our people: we have been named **twice among the Best Places to Work in Brazil (GPTW)**, and hold a **4\.9 rating** on **Glassdoor and Indeed**. * We were awarded at the **LinkedIn Talent Awards**. * We are committed to the future: we are **carbon neutral**, offsetting 100% of our carbon emissions. * We operate with **remote and hybrid work models**, depending on the role and project. Our culture: * We value **continuous growth and development.** * We foster a culture rooted in **respect, collaboration, and loyalty.** * We are **diverse, inclusive, and believe in the power of pluralistic teams.**