Senior Systems Administrator job opportunity at Leidos.

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DateMore Than 30 Days Ago bot
Leidos Senior Systems Administrator
Experience: 12-years
Pattern: full-time
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loacation Gaithersburg, MD, United States Of America
loacation Gaithersburg, ..........United States Of America

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team’s focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. The Intelligence Production Solutions Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator. As a senior member of our IT operations team, you will play a key role in managing, securing, and optimizing high-performance, mission-critical systems that directly affect our customers’ intelligence and geospatial initiatives. This position requires deep technical expertise, proactive leadership, and the ability to work independently and collaboratively in a fast-paced, classified environment.  You will lead systems operations, mentor junior admins, and ensure availability, reliability, and security of infrastructure supporting geospatial analytics, software development, and data services. Position may be performed in the following locations below.  Please note Gaithersburg, MD is the program’s primary work location. Gaithersburg, MD Aurora, CO St. Louis, MO Tucson, AZ Clearance Level Required: Active Top Secret to be considered with the ability to obtain TS/SCI with Polygraph. Primary Responsibilities: Lead system administration for Linux and Windows-based systems in secure, mission-critical environments. Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM). Perform OS installation, configuration, hardening, and patching in compliance with DoD STIGs and agency policies. Monitor and tune system performance, conduct root cause analysis, and resolve complex issues quickly and efficiently. Support backup/recovery strategies, disaster recovery plans, and continuity of operations. Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.). Maintain system documentation, configuration baselines, and support CM and RM activities. Lead and support deployment of system enhancements and modernization initiatives for Chinook program. Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance and performance. Participate in security audits, incident response, and operational readiness activities. Basic Qualifications: US citizenship is required per contract. Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience. Active Top Secret to be considered with the ability to obtain TS/SCI with Polygraph. DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP). Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments. Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration. Proficiency with virtualization platforms (VMware, KVM) and management tools. Experience with automation and scripting (Ansible, Bash, PowerShell, Python). Familiarity with STIG compliance, system hardening, ACAS scans, and RMF processes. Strong understanding of enterprise networking, identity/access management, and storage concepts. Proven ability to troubleshoot, document, and lead systems-related projects independently. Experience supporting IC or DoD classified environments. Preferred Qualifications: Experience supporting our customer or GEOINT missions. Familiarity with DevOps tools and pipelines (Git, Jenkins, Docker, etc.). Knowledge of enterprise backup solutions, DNS, DHCP, Active Directory, and PKI. #Chinook   If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: January 15, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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