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Linux administrator • usa

Last updated: 1 day ago

Linux Administrator

innovitusaBoise, ID, Idaho, USA
Full-time

We are looking for an experienced <strong>Linux Administrator</strong> to manage, maintain, secure, and troubleshoot enterprise Linux server environments.The ideal candidate should have... Show more

Linux System Administrator

Peterson TechnologiesAnnapolis Junction, MD, US
$185,000.00–$215,000.00 yearly
Full-time
Quick Apply

Peterson Technologies has been the premier resource for mission-critical solutions through detailed analysis, strategic insight, extensive operational experience, and technical expertise.Today, we ... Show more

Linux Systems Administrator

BWXTOak Ridge, TN, US
Full-time

NYSE: BWXT), we are People Strong, Innovation Driven.BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for g... Show more

Linux Systems Administrator

Red Arch SolutionsAnnapolis Junction, MD, US
$185,000.00–$200,000.00 yearly
Full-time
Quick Apply

Red Arch Solutions is hiring a System Administrator on a priority program in Annapolis Junction, MD.The System Administrator shall be responsible for providing support for a large-scale Linux syste... Show more

Linux System Administrator

MANTECHFort Meade, Maryland, US
Full-time

Responsibilities include but are not limited to:.Creating and managing virtual environments.Systems administration of hardware and software in support of maintenance, developing and testing of info... Show more

Linux System Administrator

Louisiana Technology Group IncMonterey, CA, USA
$90,000.00 yearly
Full-time
Quick Apply

Intermediate Linux System AdministratorWork Location: On-site (no remote support)Clearance: TS clearance required; must be eligible for SCI accessTravel: Occasional travel required, including an in... Show more

Linux Systems Administrator

Trevity LLCSpringfield, VA, US
$100,000.00 yearly
Full-time

Job Description</h3><br /><ul><li><h3><strong>Duties & Responsibilities:</strong></h3></li><li><p><strong>RHEL Server... Show more

Linux Administrator - 304821

Delaware Nation IndustriesBoyers, PA, US
Full-time
Quick Apply

DNI is a Prime Contractor providing Systems and Application Support for the DCSA (Defense Counterintelligence & Security Agency).These roles can be supported nationally.We are looking for a Lin... Show more

Linux System Administrator

GIGATEC EngineeringAnnapolis Junction, MD, US
Full-time
Quick Apply

Perks and Benefits 100% Paid Healthcare 10% 401k in every paycheck 100% Fully Vested!!!.NOTE  – Our positions require a  Top Secret clearance , as well as the favorable  comple... Show more

Linux Systems Administrator

Space Dynamics LaboratoryAlbuquerque, NM, US
$90,000.00–$150,000.00 yearly
Full-time
Quick Apply

C Date Posted: August 10, 2026 Space Dynamics Laboratory (SDL) is seeking an experienced Linux System Administrator to design, implement, secure, and maintain systems and associated applications, s... Show more

LINUX Administrator

Northern BaseColumbus, OH, United States
Full-time
Quick Apply

Job Description</div> <div> <div> <div> <div>Must Have Technical/Functional Skills</div> <div>Must be good with HP hardware and OneView</div> <div... Show more

Linux Systems Administrator

Lentech Inc.Ft Meade, MD, US
$161,000.00 yearly
Full-time
Quick Apply

Stand up, configure, and maintain Linux servers.Monitoring and patching/upgrades to standard networking resources (routers, switches, firewalls).Monitoring and patching/upgrades to servers and VM h... Show more

Linux System Administrator

Corvid Technologies LLCMooresville, NC, USA
Full-time
Quick Apply

Do you think you know Linux? Are you a natural at problem solving, with little guidance and can work administer Linux systems in an air-gapped environment (IE no Google or paid support)? Corvid loo... Show more

Senior Linux Administrator

Ignite ITSuitland-Silver Hill, MD, US
Full-time
Quick Apply

Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our contr... Show more

Linux Administrator

EliteTechnicalPlano, TX
Full-time

Our client, a multinational telecommunications technology company, has an urgent, immediate need for a Linux RHEL System Administrator to join their infrastructure team.This is a great opportunity ... Show more

Linux System Administrator

All Lines TechnologyPittsburgh, PA, US
Full-time
Quick Apply

All Lines Technology is seeking an experienced Linux Systems Administrator to join their Global Information Services team in Pittsburgh, PA.This team is responsible for the deployment, adminis... Show more

Linux System Administrator

Set of XAnnapolis Junction, MD, US
$120,000.00 yearly
Full-time
Quick Apply

All positions require an active clearance.WE ARE HIRING OWNERS Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around.With a... Show more

Linux Systems Administrator

Rezult GroupBirmingham, AL, US
Full-time +1
Quick Apply

Rezult Group continues to make great strides toward enhancing the technology services community nationwide.We are consistently looking for qualified professionals to join us in achieving success.Cu... Show more

Linux Systems Administrator

North Carolina State UniversityRaleigh, NC
$85,000.00–$90,000.00 yearly
Full-time +1

Posting Information Posting Number PG193846EP Internal Recruitment No Working Title Linux Systems Administrator Anticipated Hiring Range $85,000 - $90,000 Work Schedule Monday - Friday, 8 a.Job Loc... Show more

Linux System Administrator

CTC GroupFort Meade, MD, US
$150,000.00 yearly
Full-time
Quick Apply

Summary CTC Group has a new and exciting opportunity for Linux   Systems Administrators  to maintain and secure Linux-based systems, support Cisco and Palo Alto network infrastructur... Show more

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Linux Administrator

Linux Administrator

innovitusaBoise, ID, Idaho, USA
3 days ago
Job type
  • Full-time
Job description

We are looking for an experienced Linux Administrator to manage, maintain, secure, and troubleshoot enterprise Linux server environments. The ideal candidate should have strong hands-on experience with RHEL, CentOS, Ubuntu, system administration, patching, storage, networking, monitoring, security, and automation.

Key Responsibilities

  • Install, configure, administer, and maintain Linux servers including RHEL, CentOS, Ubuntu, and SUSE.
  • Perform OS upgrades, patch management, vulnerability remediation, and system hardening.
  • Manage Linux users, groups, permissions, sudo access, SSH, processes, and services.
  • Manage file systems, partitions, LVM, disk utilization, NFS, and storage mounts.
  • Monitor server availability, performance, capacity, CPU, memory, disk, and network utilization.
  • Troubleshoot Linux OS, application, storage, networking, and authentication issues.
  • Configure and manage services including SSH, DNS, DHCP, NFS, FTP, Apache, Nginx, and Tomcat.
  • Perform root cause analysis (RCA) for production incidents and resolve issues within defined SLAs.
  • Manage package installation and updates using YUM, DNF, and APT.
  • Develop and maintain Shell/Bash scripts to automate routine administrative tasks.
  • Use Ansible for configuration management, patching, provisioning, and automation.
  • Support backup, restore, disaster recovery, and high-availability activities.
  • Configure and troubleshoot Linux networking, including TCP/IP, DNS, routing, firewalls, and connectivity.
  • Implement security controls including SELinux, firewalld, SSH hardening, access controls, and vulnerability remediation.
  • Work with monitoring and logging tools such as Nagios, Zabbix, Grafana, Prometheus, or similar platforms.
  • Support Linux environments running on VMware, cloud platforms, and virtual infrastructure.
  • Participate in incident, problem, change, and release management processes.
  • Maintain SOPs, runbooks, configuration documentation, and technical procedures.

Required Skills

  • 4+ years of hands-on Linux System Administration experience.
  • Strong experience with RHEL / Red Hat Linux administration.
  • Good knowledge of CentOS, Ubuntu, and/or SUSE Linux.
  • Strong knowledge of Linux file systems, LVM, partitions, permissions, processes, and services.
  • Experience with Shell/Bash scripting.
  • Hands-on experience with Ansible.
  • Strong understanding of DNS, DHCP, TCP/IP, SSH, NFS, and networking fundamentals.
  • Experience with YUM/DNF/APT package management.
  • Knowledge of SELinux, firewalld, systemd, cron, and log management.
  • Experience with Linux patching, upgrades, hardening, and vulnerability remediation.
  • Strong troubleshooting and root-cause-analysis skills.
  • Experience supporting production environments and enterprise infrastructure.

Preferred Skills

  • RHCSA / RHCE certification.
  • Experience with VMware vSphere/ESXi.
  • Experience with AWS, Azure, or GCP Linux workloads.
  • Knowledge of Docker and Kubernetes.
  • Experience with Apache, Nginx, Tomcat, or JBoss.
  • Knowledge of Pacemaker/Corosync and Linux clustering.
  • Experience with SAN/NAS, RAID, backup, and disaster recovery.
  • Exposure to Terraform, Jenkins, Git, or CI/CD.
  • ITIL/production support experience.