Paddy works in the Research IT Support unit (formerly TCHPC) in Trinity College Dublin, where he has contributed to a number of Digital Humanities projects. He spends most of his time running HPC Linux clusters, looking after hardware and software issues.

Particular areas of interest include provisioning/configuration technologies (Salt, Puppet, Chef, Ansible etc), software stacks (Environment Modules, Lmod, Spack), cluster resource management (mainly Slurm) and node health checking.

Paddy dabbles in web technologies when the opportunity arises. He holds two MSc Degrees, in Computer Science and High Performance Computing.