Senior Security Engineer - General

About the job

About the Role Muon seeks a Senior Security Engineer to join our Security Engineering & IT team. The ideal candidate brings deep expertise across multiple security domains and can operate independently to protect Muon’s infrastructure, data, and people. You will own and advance our security posture across endpoints, networks, cloud environments, and identity systems while contributing to compliance efforts including NIST 800-171 and ITAR/EAR requirements. This position is hybrid and requires working on-site in our San Jose, CA office three days per week or fully remote from an approved U.S. location. Responsibilities - Design, deploy, and manage endpoint security solutions (EDR/XDR) across…