RDL Jump Host Administrator/Mastery of Linux OS administration (Rocky Linux, RHEL, CentOS, Ubuntu) i-100% Remote

Technical Qualifications Education & Experience ● Bachelor’s degree in network/system administration, Computer Science, Cybersecurity, or equivalent technical experience. ● 4+ years of dedicated experience in Linux System Administration, with a strong focus on secure system hardening, user management, and compliance auditing. Required Technical Skills ● Linux Expertise (Expert Level): Mastery of Linux OS administration (Rocky Linux, RHEL, CentOS, Ubuntu) including shell scripting (Bash, Python), security policies, and package management. ● Secure Access & Authentication: Comprehensive knowledge of SSH daemon configuration (sshd_config), PAM (Pluggable Authentication Modules) stack configuration, and secure local authentication patterns. ● Audit & Log Engineering: Proven experience configuring structured logging systems, syslog routing, Rsyslog, or Journald to create secure, immutable compliance audit trails. ● Access Technologies: Familiarity with Zscaler ZTNA (App Connectors), CyberArk vPAM, and Virtual Private Network (VPN) architectures. ● Virtualization Basics: Practical experience administering virtual machines, virtual switches, and storage within VMware ESXi / vCenter or Microsoft Hyper-V. Preferred Certifications ● Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE) ● CompTIA Linux+ or Linux Foundation Certified SysAdmin (LFCS) ● CompTIA Security+ or GISF (GIAC Information Security Fundamentals) ● CyberArk Certified Sentry or Trustee