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Senior Systems Administrator at Leidos - ApplyBlast

Senior Systems Administrator

Leidos

4 months ago

3.9 on Glassdoor

Gaithersburg, MD

Onsite

Full Time

Senior

0 applicants

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About this role

A Senior Systems Administrator at Leidos supports high-performance, mission-critical IT systems for defense and intelligence customers in a classified environment. You will lead infrastructure management, system hardening, and automation while mentoring junior staff to ensure availability, reliability, and security. The role involves collaborating with cybersecurity and software teams to deploy enhancements and maintain compliance with strict government standards.

Responsibilities

Lead system administration for Linux and Windows-based secure environments
Architect and manage complex server and virtualization infrastructure
Perform OS hardening and patching in compliance with DoD STIGs
Oversee automation scripts and infrastructure as code initiatives
Diagnose and resolve complex hardware and software technical issues

Skills

Qualifications

Bachelor's degree in Computer Science, Engineering, or Information Technology8-12 years of relevant experienceMaster's degree with 6-10 years of experienceDoD 8570 IAT Level II or III certificationUS Citizenship

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.