Principal Linux Systems Administrator

Leidos

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profile Job Location:

Aurora, CO - USA

profile Monthly Salary: $ 116350 - 210325
Posted on: 7 hours ago
Vacancies: 1 Vacancy

Job Summary

Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modeling Signals Intelligence (SIGINT) and Cryptographic Key Management. At Leidos we offer competitive benefits including Paid Time Off 11 paid Holidays 401K with a 6% company match and immediate vesting Flexible Schedules Discounted Stock Purchase Plans Technical Upskilling Education and Training Support Parental Paid Leave and much more. Join us and make a difference in National Security!

Join our team as a Linux Systems Administrator where youll provide crucial support for the implementation troubleshooting and maintenance of Information Technology (IT) systems. Youll manage IT system infrastructure and processes ensuring the smooth operation of client/server/storage/network devices mobile devices and more. Your role will involve configuring and managing UNIX and Windows operating systems troubleshooting maintaining network integrity and enhancing system performance.

This position is eligible for a 10k Sign on Bonus!

Primary Responsibilities:

  • Maintain STE/STN Compliance: Ensure systems meet security and compliance standards.
  • Account and Access Management: Manage accounts network rights and access to systems and equipment implementing security procedures and tools.
  • System Configuration and Management: Configure and manage UNIX and Windows operating systems install/load software troubleshoot maintain network integrity and implement system enhancements.
  • IT Support and Troubleshooting: Provide day-to-day IT support monitoring and problem resolution for client/server/storage/network devices and mobile devices.
  • User Assistance: Assist users in accessing and using IT systems providing support for escalated tickets and detailed analysis.
  • System Optimization and Capacity Planning: Optimize system operations and resource utilization perform system capacity analysis and planning.
  • Dispatch System and Hardware Support: Support dispatch systems and hardware issues configure and install system hardware/software and maintain server and domain security requirements.

Basic Qualifications:

  • Experience: Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and contracts of similar scope type and complexity.
  • Education: Bachelors degree in a technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted for a bachelors degree bringing the required experience to 20 years.
  • Technical Skills: Experience with LINUX Windows and Virtualization
  • Security Clearance: Must have an active Top Secret/SCI with Polygraph

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If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

December 17 2025

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 $116350.00 - $210325.00

The Leidos pay range for this job level is a general guideline onlyand 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.


Required Experience:

Staff IC

Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and...
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About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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