Systems/networks administrator (ops specialist)

A company that provides integrated identity and payment solutions, specializing in secure document and card manufacturing, biometric identification systems, and digital identity verification, is seeking a highly skilled and experienced
Senior Systems/Network Administrator
to join their team. This role is for a technical expert who thrives in
command-line environments
and possesses a holistic understanding of all interconnected system components.
GUI-driven administrators need not apply.
Responsibilities
Linux (CLI Expert):
Provide expert-level administration for Debian (Ubuntu) and Red Hat (Alma, Rocky) distributions. Provision and configure systems (servers, clusters, laptops) via the
CLI. Manually install and configure LOB applications using config files (YAML, JSON). Monitor, troubleshoot system performance, and analyze logs/processes.
Windows Server Ownership:
Manage and maintain Windows servers, including
Active Directory (AD/LDAP), DHCP, DNS, N...