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# Linux Systems Administrator

- **Company:** Leidos, Inc.
- **Location:** Dayton, OH, United States
- **Experience:** Expert
- **Salary:** $135,000.0 - $175,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Bash Shell, Ubuntu (Operating System), Cloud Computing, Configuration Management, Linux, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Identity and Access Management, Python (Programming Language), Kernel-Based Virtual Machine, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Networking Basics, Performance Tuning, Red Hat Enterprise Linux, Ansible, Shell Script, TCP/IP, Virtualization Technology, Cloud Platform System, Firewalls (Computer Science), Patch Management, CIS Benchmarks, Puppet, Docker, Vmware
- **Published:** November 2, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3044134957-2

## About the Role

* Linux system administration (RHEL/Cent
 * OS/Ubuntu)
 * Shell scripting (Bash) and Python automation
 * Configuration management (Ansible/Puppet/Chef)
 * Virtualization and containers (VMware, KVM, Docker)
 * Cloud platforms (AWS/Azure/GCP)
 * System monitoring and performance tuning
 * Linux security hardening and patch management
 * Identity and access management (LDAP/AD)
 * Backup, restore, and disaster recovery
 * Networking fundamentals (TCP/IP, DNS, firewalls)

## Description

Leidos is seeking a Senior Linux Systems Administrator to support mission-critical national security, health, and engineering programs. In this role, you will design, secure, and optimize enterprise Linux environments across on-premises and cloud platforms, ensuring high availability and compliance. You will implement automation, monitoring, backup, and recovery solutions while collaborating with security, network, and engineering teams. Leidos offers a mission-driven, collaborative culture with flexible work options, robust benefits, and significant opportunities for professional growth and impact., * Design, deploy, and administer enterprise Linux server environments across on-prem and cloud infrastructures

 * Monitor system performance, troubleshoot complex issues, and implement automation to improve reliability
 * Harden Linux systems, apply patches, and enforce security baselines and compliance standards
 * Manage user access, storage, backup, and disaster recovery for mission-critical workloads
 * Collaborate with security, network, and development teams to support project and customer requirements
 * Document architectures, procedures, and configurations; mentor junior administrators