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Linux System Administrator

BasisPath Inc
Gaithersburg, USA
Mid
Onsite
Discovered 1 weeks ago
awslinuxsplunkvmware

Full Job Posting

Key Responsibilities

  • Required Qualifications and Technical Skills

Preferred Qualifications

  • AWS experience; AWS-related certifications are a plus.
  • Experience administering NetApp file storage systems.
  • Experience supporting systems across multiple security or network tiers.
  • Experience with enterprise antivirus and endpoint security management platforms, particularly Trellix ePO.
  • Core Competencies
  • Linux/RHEL system administration
  • VMware virtualization
  • Windows and Active Directory administration
  • Network, system, and infrastructure troubleshooting
  • Security and patch management
  • Enterprise monitoring and logging
  • Cross-platform authentication
  • Customer and technical support
  • Problem-solving and analytical skills
  • Ability to work independently and collaboratively

Qualifications

  • Administer and maintain approximately 30 RHEL servers across multiple security tiers.
  • Perform Linux system administration, configuration, patching, software/package management, file management, networking, and troubleshooting.
  • Configure, maintain, and troubleshoot Linux services and protocols, including SSH/SFTP, HTTP, Chrony/NTP, firewalls, and related system services.
  • Maintain the Red Hat software repository and manage the monthly distribution of approved RPM updates to Linux servers.
  • Maintain current Trellix antivirus updates and configurations across Linux systems.
  • Administer and maintain Trellix ePolicy Orchestrator (ePO) servers across applicable network security tiers.
  • Perform system and hardware monitoring to maintain server performance, availability, and reliability.
  • Create, configure, maintain, and troubleshoot virtual machines in VMware environments, including resource allocation and system snapshots.
  • Support system recovery activities and troubleshoot operating system, application, network, hardware, and virtualization issues.
  • Provide technical support to end users and development teams.
  • Support a mixed operating-system environment consisting of Linux, Windows, and Unix systems.
  • Provide backup Windows administration support, including user account creation and management.
  • Assist with Active Directory and DNS administration.
  • Support cross-platform user authentication across Windows, Linux, and Unix systems using Quest.
  • Install, configure, and maintain Splunk components as required.
  • Collaborate with system administrators, network teams, security personnel, and development staff to resolve technical issues and maintain system availability.
  • Active TS/SCI security clearance.
  • Current CompTIA Security+ certification.
  • Demonstrated experience administering and troubleshooting Red Hat Enterprise Linux (RHEL) systems.
  • Strong working knowledge of Linux system administration, including system configuration, package/software management using DNF/RPM, patching, file systems, file management, networking, and system services.
  • Experience with Linux services and protocols, including SSH/SFTP, HTTP, Chrony/NTP, firewalls, and network configuration.
  • Experience working in VMware virtualized environments, including virtual machine creation, configuration, resource allocation, snapshots, and basic system recovery.
  • Understanding of Active Directory concepts, Windows administration, user account management, and DNS.
  • Familiarity with Quest authentication solutions and cross-platform authentication between Windows, Linux, and Unix systems.
  • Fundamental knowledge of Splunk, including installation and configuration.
  • Experience troubleshooting technical issues in an enterprise IT environment.
  • Strong customer-service and communication skills, with the ability to provide technical assistance to users and development teams.
  • Ability to work effectively in a mixed Linux, Windows, and Unix environment.
  • Experience supporting development teams in an enterprise IT environment.
  • AWS experience; AWS-related certifications are a plus.
  • Experience administering NetApp file storage systems.
  • Experience supporting systems across multiple security or network tiers.
  • Experience with enterprise antivirus and endpoint security management platforms, particularly Trellix ePO.
  • Linux/RHEL system administration
  • VMware virtualization
  • Windows and Active Directory administration
  • Network, system, and infrastructure troubleshooting
  • Security and patch management
  • Enterprise monitoring and logging
  • Cross-platform authentication
  • Customer and technical support
  • Problem-solving and analytical skills
  • Ability to work independently and collaboratively

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