Linux Systems Administrator/Engineer

Peerless is seeking a Linux Systems Engineer with virtualization experience to join our growing team supporting the National Air and Space Intelligence Center (NASIC) at Wright-Patterson Air Force Base in Dayton, Ohio. The successful candidate will participate in the design, implementation, administration, and maintenance of a secure Linux, Windows, and virtualization infrastructure supporting mission-critical national security systems. Working alongside a collaborative team of engineers, you will help ensure our server environment remains reliable, scalable, and compliant with DoD security requirements.

Key Responsibilities

• Design, deploy, administer, and maintain Linux, Windows, and virtualized server environments.
• Build, configure, patch, troubleshoot, back up, and restore virtual machines using VMware vCenter and Dell Avamar.
• Deploy and maintain Red Hat Enterprise Linux, Rocky Linux, and Ubuntu server environments supporting mission applications.
• Monitor system performance and troubleshoot issues using tools such as Splunk, PowerShell, PuTTY, OpenSSL, Wireshark, and server/application logs.
• Implement and maintain DoD Security Technical Implementation Guide (STIG) compliance across server infrastructure.
• Support infrastructure reliability, security, and scalability through routine maintenance and system improvements.
• Collaborate with engineers and stakeholders to support mission requirements and infrastructure modernization.
• Develop and maintain technical documentation and communicate system status, issues, and solutions effectively.

Requirements

• U.S. Citizenship.
• Active Top Secret security clearance with SCI eligibility.
• Current CompTIA Security+ certification.
• Ability to work on-site in Dayton, Ohio.
• Strong experience administering VMware virtual environments, including VMware vCenter and Dell Avamar backup solutions.
• Experience administering Linux servers, including Red Hat Enterprise Linux, Rocky Linux, and Ubuntu.
• Knowledge of Linux server deployment, patching, maintenance, backup, recovery, and troubleshooting.
• Experience implementing and maintaining DoD STIG compliance.
• Proficiency with Bash or Python scripting.
• Strong written communication skills.
• Bachelor's degree in Computer Science, Information Technology, or a related technical field.