Linux System Administrator

One Zero values its team, delivering a highly competitive benefits package that includes health, dental, vision, and life insurance; a 401(k) with company matching; paid time off and holidays; an employee referral program; and educational assistance.

Linux System Administrator

Kearneysville, WVA

Secret or higher required

This role supports a critical government computer system, managing, maintaining, and securing a large-scale, enterprise-level infrastructure. Responsibilities include working within a VMware-based environment, using BMC True Sight Server Automation for compliance and patching, and utilizing Ansible for configuration management and automation.

• Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) servers in both physical and virtual environments.
• Manage the VMware vSphere infrastructure, including deployment and troubleshooting of virtual machines and hosts.
• Utilize BMC True Sight Server Automation (TSSA) to perform automated patching, ensure system compliance, and report on security configurations against government baselines (e.g., DISA STIGs).
• Develop, maintain, and execute Ansible playbooks to automate system configurations, application deployments, and repetitive administrative tasks.
• Implement and maintain robust security controls, conduct vulnerability remediation, and ensure all systems comply with federal security standards.
• Monitor system performance, troubleshoot complex hardware and software issues, and perform root‑cause analysis.
• Create and maintain comprehensive documentation for system configurations, processes, and procedures.
• Participate in an on‑call rotation to support critical system issues after hours.
• Maintain a current CompTIA Security+ certification.

• Linux Administration: 5+ years as a Linux System Administrator with deep knowledge of RHEL in an enterprise setting.
• VMware Proficiency:
  Strong proficiency in VMware vSphere (ESXi/vCenter) for creating, managing, and troubleshooting virtualized environments.
• Ansible Automation:
  Demonstrated experience writing and maintaining complex Ansible playbooks for configuration management and infrastructure automation.
• Security & Compliance:
  Proven experience with system hardening, security patching, and ensuring compliance with frameworks such as DISA STIGs.
• Scripting Expertise:
  High proficiency in scripting languages such as Bash or Python to automate administrative tasks and streamline operations.

• BMC True Sight (TSSA) experience with automated patch management and compliance enforcement.
• Professional
  
  Certifications:
  
  Red Hat Certified System Administrator (RHCSA) or VMware Certified Professional (VCP) or equivalent.
• Containerization Knowledge:
  Familiarity with Docker or Kubernetes and their integration into enterprise workflows.

One Zero Solutions, LLC is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.

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