See all roles

Linux Systems Administrator, Ubuntu/Red Hat

Work from home Full-time role Hiring

Job Description:

  • Manage, monitor, and maintain Ubuntu and Red Hat Linux servers (production and staging)
  • Perform system upgrades, kernel updates, patch management, and performance tuning
  • Implement and manage user access, security policies, and backup/recovery strategies
  • Troubleshoot and resolve hardware, OS, and network-related issues
  • Maintain configuration management and deployment pipelines using Ansible, Puppet, or similar tools
  • Monitor system health and resource utilization; ensure optimal uptime and performance
  • Collaborate with DevOps and Cloud teams for environment provisioning (AWS, Azure, or on-prem)
  • Manage server hardening, SSH configuration, SSL certificates, and OS-level security compliance
  • Participate in capacity planning, disaster recovery, and incident response activities
  • Create and maintain detailed system documentation, SOPs, and audit reports

Requirements:

  • 10+ years of experience in Linux system administration (Senior Level)
  • 5+ years of hands-on experience in Linux system administration (Ubuntu & Red Hat)
  • Strong command of Bash scripting and automation tools (e.g., Ansible, Terraform, Shell, or Python basics)
  • Experience with monitoring tools such as Nagios, Zabbix, or Prometheus
  • Solid understanding of networking fundamentals (DNS, DHCP, NFS, SSH, firewalls)
  • Experience with virtualization and containerization technologies (VMware, KVM, Docker, etc.)
  • Strong troubleshooting skills with system logs, kernel issues, and service failures
  • Familiarity with version control (Git) and CI/CD pipeline environments
  • Exposure to cloud platforms (AWS, GCP, Azure) is an added advantage.
  • Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE) certification preferable.

Benefits:

  • Health insurance
  • Flexible work arrangements
  • Professional development opportunities

Apply tot his job Apply To this Job

You might like

Linux Software and Security Engineer

Work from home Full-time role

Software Engineer — Linux, Python, Agile

Work from home Full-time role

Cybersecurity Analyst – Work from Home

Work from home Full-time role

Staff cybersecurity analyst, ou secure solution enablement (remote)

Work from home Full-time role

Cybersecurity Manager, Technology Asset Management (Remote)

Work from home Full-time role

Cybersecurity Analyst II - Disaster Recovery (Remote)

Work from home Full-time role

Cyber Security Analyst - Sr. Consultant level

Work from home Full-time role

Cybersecurity Policy & RMF Analyst

Work from home Full-time role

Senior Security Engineer II (Engineering & Tooling), Remote

Work from home Full-time role

Principal Security Engineer, Infrastructure Security

Work from home Full-time role

Experienced Customer Service Representative – Window Clerk Role at arenaflex

Work from home Full-time role

Part-Time Evening Data Entry Specialist – Join arenaflex's Dynamic Team and Shape the Future of Data Management

Work from home Full-time role

Content & Customer Experience Specialist – Remote Customer Support Excellence Program at arenaflex

Work from home Full-time role

Experienced Live Chat Customer Service Representative – Remote Opportunity to Deliver Exceptional Customer Experiences

Work from home Full-time role

Experienced Senior Business Execution Consultant - Customer Advice Platforms

Work from home Full-time role

Experienced Customer Service Representative - Remote & $19 Plus Hourly - Join arenaflex's GigSquad Revolution

Work from home Full-time role

Senior Counsel – Independent Agency, Sales & Service

Work from home Full-time role

Remote Triage RN, LA

Work from home Full-time role

Quality Analyst III

Work from home Full-time role

# Part-Time Remote Data Entry Clerk – Junior Position | Immediate Hiring at arenaflex | Flexible Hours

Work from home Full-time role