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Linux and Windows Systems Administrator at Leidos - ApplyBlast

Linux and Windows Systems Administrator

Leidos

3 months ago

3.9 on Glassdoor

Beavercreek, OH

Onsite

Full Time

Senior

0 applicants

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About this role

A Linux and Windows System Administrator at Leidos supports mission-critical classified environments by administering, securing, and troubleshooting complex physical and virtual infrastructures. The role involves executing system patching, implementing security compliance controls like DISA STIGs, and automating administrative tasks using PowerShell and Bash. Candidates will manage Active Directory, DNS, and virtualization platforms while participating in on-call rotations to ensure reliable day-to-day operations.

Responsibilities

Administer and maintain Windows and Linux systems across physical and virtual infrastructures
Execute system patching, vulnerability remediation, and security compliance activities
Automate repetitive administrative tasks using PowerShell and Bash scripts
Troubleshoot Tier 2 incidents and conduct root-cause analysis for complex technical issues
Manage Active Directory, DNS, DHCP, and Layer 2 network switching configurations

Skills

Qualifications

Active DoD Secret ClearanceCompTIA Security+ CertificationBachelor's Degree in Technical FieldRed Hat Certified System Administrator (RHCSA)Experience with DISA STIGs and NIST 800-53

About Leidos

leidos.com

Headquarters

Reston, Virginia, United States

Company Size

10001+ employees

Founded

1969

View Profile

Leidos is a Fortune 500 science and technology company that delivers solutions at the intersection of national security, health, and critical infrastructure, serving defense, federal government, intelligence, and commercial markets. With a global workforce of approximately 47,000, the company provides capabilities across AI, cybersecurity, digital modernization, mission software, space, maritime, managed health, and energy infrastructure. Leidos partners with government agencies and large enterprises to deliver mission-critical innovations that address complex national and global challenges.