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Senior Linux System Administrator

Globalstar

Globalstar

IT
Covington, LA, USA
Posted on Dec 9, 2025

Who we are:

Globalstar pioneered personal safety by introducing its SPOT Satellite GPS Messenger in 2007. Today, leveraging its low-earth orbit (LEO) satellite constellation, Globalstar reliably connects and protects assets, transmits key operational data, and saves lives – from any location – for consumers, industrial companies and government agencies in over 120 countries. With a portfolio that includes SPOT GPS messengers, next-generation IoT products and modems, and cloud-based telematics solutions, Globalstar’s cost effective satellite-powered innovations give users visibility and intelligence for improving safety and operational efficiencies.

What we offer:

  • Work/Life Balance: Paid Time Off, Paid Holidays
  • Financial Benefits: 401(k) Plan with Company Match, Employee Stock Purchase Program, Voluntary and Company Paid Group Life Insurance, Short- and Long-Term Disability Insurance, Medical FSA, Dependent Care, Competitive Salaries
  • Health & Wellness: Health Insurance, Dental Insurance, Vision Insurance, Employee Assistance Program, Comprehensive and Interactive Wellness Program

Job Summary:

We are seeking a Senior Linux Administrator to support and enhance our enterprise Linux infrastructure. This role manages Red Hat Enterprise Linux and Ubuntu systems, supports certificate management processes, and works with databases, virtualization platforms, and DevOps tools. The Senior Linux Administrator collaborates with development, security, and operations teams and provides expertise across systems such as Jira, Bitbucket, Jenkins, Ansible, Terraform, LDAP, Red Hat Satellite, Tenable, VMware, and multiple database platforms including PostgreSQL and Oracle.

Supervisory Responsibilities:

  • None

Responsibilities

  • Deploy, configure, and maintain Red Hat Enterprise Linux and Ubuntu servers.
  • Manage system lifecycle operations, patching, and updates using Red Hat Satellite and Ansible.
  • Administer and troubleshoot VMware-based virtualized environments.
  • Support and maintain database systems, including PostgreSQL and Oracle.
  • Implement and maintain certificate management processes (SSL/TLS, CSRs, certificate renewal workflows).
  • Monitor system health, troubleshoot performance issues, and ensure high availability.
  • Automate provisioning, configuration, and operational workflows using Ansible.
  • Develop and maintain Terraform modules for infrastructure-as-code deployments.
  • Support CI/CD tools and workflows involving Jenkins, Bitbucket, and Jira.
  • Manage authentication and access controls using LDAP/SSSD.
  • Remediate vulnerabilities identified by Tenable or similar tools.
  • Maintain accurate system documentation, runbooks, and architectural diagrams.
  • Participate in on-call rotations and planned maintenance windows.

Required Qualifications:

  • 5+ years of Linux administration experience (RHEL and Ubuntu)
  • Experience with scripting languages like Bash and Python.
  • Strong understanding of system performance, troubleshooting, and root-cause analysis.
  • Hands-on experience with Ansible automation and Terraform.
  • Experience with VMware administration and virtual infrastructure support.
  • Knowledge of SSL/TLS certificate management processes.
  • Familiarity with LDAP/SSSD authentication.
  • Experience using Jira, Bitbucket, and Jenkins in an operational or DevOps environment.
  • Strong understanding of network fundamentals (addressing and firewalls)

Preferred Qualifications

  • Bachelor's Degree in related field
  • Experience with containerized environments (Docker, Podman) or Kubernetes.
  • Experience with cloud platforms such as AWS or Azure.
  • Experience optimizing or automating database administration tasks.

Physical Requirements:

  • Willingness and ability to travel as needed
  • Willingness and ability to work after regularly scheduled hours as needed
  • Ability to sit at a desk for prolonged periods working on a computer (4 to 8 hours)
  • Ability to operate the equipment used for the job
  • Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this job
  • Ability to lift 30 pounds for short periods while racking equipment

Marginal Functions:

A review of this job description may have omitted some of the marginal functions of the position that are incidental to the performance of the job duties and responsibilities. This job description, in no way, states or implies that these are the only duties and/or responsibilities to be performed by the employee in this position. The employee in this position will be required to follow any other job-related instructions and to perform any other job-related duties requested by his/her supervisor.