Stefan Maerz is one of NCCS’s Cyber Security Engineers. He works in NCCS’s HPC Core Operations and is a member of the HPC Security team. He specializes in network forensics, network security monitoring, security architecture and engineering, risk and vulnerability analysis, applied cryptography, Linux systems engineering, and computer networking.

Stefan comes to ORNL from Los Alamos National Laboratory (LANL) where he was a Computer Information Security Specialist for LANL’s Office of the CIO. In that role, he worked on LANL’s cyber security program in support of the National Nuclear Security Administration’s (NNSA) mission of ensuring the safety, security, and effectiveness of the United States’ enduring nuclear weapons stockpile. During his time at LANL he managed information system change requests, evaluated system risk posture, and collaborated with various NNSA sites to improve information security governance processes throughout the NNSA.

Prior to that Stefan consulted in healthcare, was a Systems Administrator, and developed information security programs.

Stefan also holds a Bachelor’s of Science in Information Science and Technology from the Missouri University of Science and Technology.


Missouri University of Science and Technology
Information Science and Technology
Bachelor of Science (B.S.)
New York University
Cyber Security
Master of Science (M.S.)