Linux System Administrator

BasisPath Inc•Gaithersburg, MD

About The Position

BasisPath is seeking an experienced Linux Systems Administrator to support and maintain approximately 30 Red Hat Enterprise Linux (RHEL) servers operating across multiple security tiers. The role covers system administration, configuration, patching, security, monitoring, troubleshooting, and infrastructure support within a mixed Linux, Windows, and Unix environment. The administrator will work with RHEL systems and VMware virtual environments, while providing backup Windows administration and supporting Active Directory, DNS, cross-platform authentication, enterprise antivirus, and monitoring tools. The position also includes technical support for end users and development teams and collaboration with system administrators, network teams, security personnel, and development staff to maintain system availability. BasisPath describes itself as a rapidly growing, woman- and veteran-owned small business. It offers a comprehensive benefits package, growth opportunities, profit sharing, relevant training, and generous PTO.

Requirements

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, DNF/RPM package and software management, 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 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, including 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.
Ability to work independently and collaboratively.
Problem-solving and analytical skills.

Nice To Haves

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.

Responsibilities

Administer and maintain approximately 30 RHEL servers across multiple security tiers.
Perform Linux system administration, configuration, patching, software and 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 distribute approved RPM updates to Linux servers monthly.
Maintain Trellix antivirus updates and configurations across Linux systems.
Administer and maintain Trellix ePolicy Orchestrator (ePO) servers across applicable network security tiers.
Monitor systems and hardware to maintain server performance, availability, and reliability.
Create, configure, maintain, and troubleshoot VMware virtual machines, 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 Linux, Windows, and Unix operating-system environment.
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.