Worked on the firecracker-microvm/firecracker repository to deliver security and configurability enhancements for microVM deployments. Developed automated Python-based security tests to verify FIPS-mode compliance during snapshot restoration, ensuring that cryptographic entropy remains unique across cloned VMs and strengthening security for restricted environments. Introduced a new sandbox CLI option enabling custom kernel boot arguments, which expanded deployment flexibility and allowed for more diverse workload configurations. Enhanced CI pipelines and test fixtures to improve reproducibility and SSH compatibility, leveraging DevOps practices and virtualization expertise. The work focused on robust testing, secure VM cloning, and providing configurable boot behavior for enterprise users.