Provide infrastructure-level support for IBM DB2 environments (LUW). Plan, design, and execute DB2 migration and upgrade activities across versions and platforms. Assess and validate compatibility, dependencies, and risks for DB2 upgrade projects. Implement DB2 patches and security updates. Troubleshoot and resolve complex DB2 issues. Support performance tuning, capacity planning, and storage optimization during migrations. Automate routine DB2 administrative and upgrade tasks.