Linux Systems Administrator/Engineer with Security Clearance

Peerless Technologies Corporation; Dayton (OH); On-site; USD 110,000 - 160,000; Full time

Job summary

Peerless Technologies Corporation in Dayton, Ohio seeks a Linux Systems Engineer with virtualization experience to design, implement, and maintain secure Linux, Windows, and virtualized server infrastructures supporting mission-critical national security systems at NASIC.

You will manage VMware vCenter and Dell Avamar backups, deploy Red Hat, Rocky Linux, and Ubuntu servers, monitor performance with Splunk and related tools, and ensure DoD STIG compliance while collaborating with engineers to

Qualifications

• U.S. Citizenship and active Top Secret clearance with SCI eligibility.
• Bachelor's degree in Computer Science, IT, or related field.
• Current CompTIA Security+ certification.
• On-site work in Dayton, Ohio.
• Experience administering VMware vCenter and Dell Avamar.

Responsibilities

• Design, deploy, administer, and maintain Linux, Windows, and virtualized server environments.
• Build, configure, patch, troubleshoot, backup, and restore virtual machines with VMware vCenter and Dell Avamar.
• Deploy and maintain Red Hat Enterprise Linux, Rocky Linux, and Ubuntu servers.
• Monitor system performance using Splunk, PowerShell, PuTTY, OpenSSL, Wireshark, and logs.
• Implement and maintain STIG compliance across server infrastructure.
• Support reliability, security, and scalability through routine maintenance.
• Collaborate with engineers to support mission requirements and modernization.
• Develop and maintain technical documentation and communicate status and issues.

Skills

Linux administration

VMware virtualization

Scripting (Bash/Python)

DoD/STIG compliance

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

VMware vCenter

Dell Avamar

Red Hat Enterprise Linux

Rocky Linux

Ubuntu

Splunk

PowerShell

PuTTY

OpenSSL

Wireshark

Job description

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.