Application Operations & Maintenance Engineer (Application Support Engineer) São Paulo, Brazil (Cidade Monções) | Full-time | On-site Join Thunder Soft and support enterprise-level application systems in a fast-paced international environment. We are looking for experienced Application O&M Engineers who are passionate about system stability, troubleshooting, automation, and technical support. What You’ll Do • Maintain and support daily operations of enterprise application systems • Monitor system performance and troubleshoot application/system issues • Support application deployment, upgrades, and environment maintenance • Perform system health checks and proactively identify risks • Collaborate with development teams on testing and production support • Maintain technical documentation, operation manuals, and system records • Provide technical support to internal teams and customers ✅ Requirements • 3+ years of experience in Application Support / Operations / System Administration • Fa...