Simon Pickartz
Head Of Software Architecture & Development at ParTec AG
Cologne Bonn Region Germany
Summary
👤
Senior🎓
Top SchoolSimon Pickartz is Head of Software Architecture & Development with 11+ years of expertise in system software for High-Performance Computing, leading the design and delivery of a modular HPC software suite that runs large-scale supercomputers across Europe. He combines a Dr.-Ing. level academic background from RWTH Aachen with hands-on mastery of MPI, InfiniBand Verbs, UCX, CUDA and low-level networking to optimize communication stacks for throughput and low latency. Previously he advanced dynamic resource management and VM-migration-based scheduling as a research engineer, boosting utilization in shared HPC environments. Simon also contributes to the official MPICH repository as a QA/test automation engineer, improving RMA tests and datatype packing/unpacking coverage—work that underpins reliable MPI behavior at scale. Comfortable bridging research, customers and industry partners, he excels at translating complex requirements into pragmatic, scalable architectures. A detail-oriented problem solver, he often pairs scientific rigor with practical automation to accelerate deployment and validation of mission-critical HPC systems.
11 years of coding experience
5 years of employment as a software developer
Dr.-Ing., Dr.-Ing. at RWTH Aachen University
Github Skills (7)
c1710
mpi10
c1110
testing10
fortran9
data-structures6
data-structure6
Programming languages (6)
Github contributions (5)
pmodels/mpich
Feb 2019 - Oct 2022
Official MPICH Repository
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 reviews, 15 commits, 7 PRs in 3 years 9 months
Contributions summary:Simon primarily focused on fixing and adding tests related to MPI (Message Passing Interface) functionalities within the MPICH repository. They addressed issues in remote memory access (RMA) operations, including fixing the `rget_testall` and `racc_local_comp` tests. Furthermore, the user added new tests for packing and unpacking derived datatypes and corrected the `zero_count` test for out-of-tree execution. Their contributions ensure the accuracy and robustness of the MPI library.
fortranhpcmpic
spickartz/poncos
Dec 2016 - Jun 2017
Contributions:1 PR, 65 pushes, 102 branches in 6 months
poorschedulermans
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