ResponsibilitiesInstall, configure, and maintain Linux operating systems and serversMonitor system performance, reliability, and security; respond to alerts proactivelyTroubleshoot system, application, hardware, and network-related issues on Linux platformsDevelop and maintain automation scripts using Bash, Python, or similar languages to streamline tasksPerform regular updates, patching, and system hardening to maintain security postureImplement backup, recovery, and disaster‑recovery procedures for Linux environmentsCollaborate with network engineers and other infrastructure teams to ensure seamless integration and high availability of systemsMaintain documentation related to system configurations, troubleshooting processes, and operational proceduresSupport users and administrators by providing technical guidance and resolving Linux-related issuesManage critical infrastructure services (e.g., DNS, DHCP, LDAP, NTP, mail relays) within Linux environmentArchitect and maintain scalable, highly available Linux infrastructures across physical, virtual, and cloud environmentsDeploy and manage containerization and orchestration solutions such as Docker and KubernetesConduct vulnerability scanning, security audits, and enforce access controls using SELinux or similar toolsPerform root‑cause analysis for complex issues involving networking, storage, or application performanceBasic Cisco networking managementQualificationsTypically requires bachelor’s degree or equivalent, and at least 7 years of related experience. Must have a current TS/SCI security clearance with polygraphCCNADesiredCore Technical QualificationsStrong understanding of Linux operating systems, distributions, file systems, kernel concepts, and system architectureProficiency in Linux system administration, including installation, configuration, maintenance, performance tuning, and troubleshootingAbility to design, configure, and test Linux servers and operating systemsAdvanced scripting skills (Bash, Python, Perl) for automation and system efficiencyExperience with configuration management tools such as Ansible, Puppet, Chef, or similar platformsSolid knowledge of networking protocols, services, and security hardening (DNS, DHCP, firewalls, routing, etc.)Familiarity with cloud platforms (AWS, Azure, GCP) and hybrid infrastructure environmentsAbility to monitor and maintain system health, performance, and security events across Linux environmentsSecurity & Compliance QualificationsImplementing security measures, patching, vulnerability remediation, and systems hardening.