Cloud Infrastructure Systems Administrator – Linux Admin

CACI International Inc

. Provide local Linux desktop support .

Posted 10/26/2026full-timeUnited StatesSeniorLead💰 $105,100 - $231,100 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Linux desktop and server support, with a strong command of cloud environments and infrastructure management. Proficient in troubleshooting network issues and deploying hardware while adhering to DevOps practices and methodologies.

Highest-signal resume keywords

Linux System AdministrationAWS Cloud ManagementDoD 8570 IAT Level II CertificationPuppet and Ansible SupportCloud-in-a-Box Solutions

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Command LineNetwork TroubleshootingInfrastructure as CodeScriptingCloud ServicesNutanixProxmoxTerraformCloudFormationKubernetes

Soft Skills

Team CollaborationWillingness to Learn

Tools & Technologies

IPAPuppetAnsibleJuniper SwitchesCisco Switches

Certifications & Qualifications

Security+CISSPTS/SCI Clearance

Industry Keywords

DevOps PracticesCloud InfrastructureCloud-based NetworkHardware DeploymentDocumentation

Tech Stack

Tools & technologies

AnsibleAWSCloudKubernetesLinuxPackerPuppetTerraformTypeScript

About the role

Key responsibilities & impact

Provide local Linux desktop support
Provide remote Linux server and cloud-based server support
Support local and remote Cloud-in-a-Box infrastructure using Nutanix
Deploy and troubleshoot hardware
Manage and maintain AWS cloud-based resources
Support IPA, Puppet, and Ansible environments
Document infrastructure and support activities
Troubleshoot cloud-based network infrastructure
Support and troubleshoot local network issues
Help configure network switches and settings for deployed hardware
Work with a dynamic team of IT professionals to support customer missions

Requirements

What you’ll need

Current DoD 8570 IAT Level II certification (Security+ or CISSP) – must have or willing to get within 1-2 months of starting
Bachelor’s degree in Computer Science, Information Technology, or a related field
10-12 years of experience in server/desktop Linux system administration and network troubleshooting
Knowledge of DevOps practices and methodologies
Willingness to learn new technologies
Knowledge of cloud environments and cloud services
Strong Linux command line understanding
Up to 10% travel required
TS/SCI with Polygraph clearance required to start
Knowledge of Puppet, IPA, and Kubernetes desired
Juniper and/or Cisco switch experience desired
Experience or understanding of Cloud-in-a-Box solutions such as Nutanix desired
Experience with Proxmox desired
Experience with Ansible and scripting desired
Experience with Packer kickstarts and AMI creation desired
Experience using Infrastructure as Code technologies such as Terraform and CloudFormation desired

Benefits

Comp & perks

Flexible time off benefit
Robust learning resources
Healthcare benefits
Wellness benefits
Financial benefits
Retirement benefits
Family support benefits
Continuing education benefits
Time off benefits
Competitive compensation