Linux System Administrator with Security Clearance

Key Responsibilities

• Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) servers in both physical and virtual environments.
• Manage the VMware vSphere infrastructure, including the deployment, and troubleshooting of virtual machines and hosts.
• Utilize BMC TrueSight 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 other repetitive administrative tasks.
• Implement and maintain robust security controls, conduct vulnerability remediation, and ensure all systems are compliant with federal security standards.
• Monitor system performance, troubleshoot complex hardware and software issues, and perform root cause analysis to prevent future occurrences.
• Create and maintain comprehensive documentation for system configurations, processes, and procedures.
• Participate in an on-call rotation to provide after-hours support for critical system issues.

Required Skills and Qualifications

• Linux Administration: 5+ years of experience as a Linux System Administrator, with deep knowledge of Red Hat Enterprise Linux (RHEL) in an enterprise setting.
• VMware Proficiency: Strong proficiency in VMware vSphere (ESXi/vCenter) for creating, managing, and troubleshooting virtualized server 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 security frameworks such as DISA STIGs.
• Scripting Expertise: High proficiency in scripting languages such as Bash or Python to automate administrative tasks and streamline operations.

Desired Skills and Qualifications

• BMC TrueSight (TSSA): Direct hands-on experience using BMC TrueSight Server Automation for automated patch management and compliance enforcement.
• Professional Certifications: Relevant certifications such as Red Hat Certified System Administrator (RHCSA), or VMware Certified Professional (VCP).
• Containerization Knowledge: Familiarity with containerization technologies like Docker or Kubernetes, and their integration into enterprise workflows.