Parikshit Ardhapurkar is an HPC Engineer at C-DAC specializing in parallel computing, performance tuning, and GPU-accelerated workflows. He works with MPI, OpenMP, CUDA, Spack, ReFrame, and Apptainer to build portable and reproducible HPC stacks. His experience spans optimization of large-scale scientific applications, benchmarking modern CPU-GPU systems, and enabling automated testing pipelines under the National Supercomputing Mission.