Principal Linux Systems Administrator

Leidos; Aurora (CO); On-site; USD 126,000 - 228,000; Full time

Job summary

Leidos offers an exciting opportunity for a Principal Linux Systems Administrator within its National Security Sector. This role involves overseeing IT systems, ensuring security compliance, and supporting complex programs for the Warfighter. Ideal candidates should have extensive experience in Linux and Windows systems, along with a relevant degree and security clearance. Join Leidos and make a significant impact in National Security!

Benefits

Paid Time Off

11 paid Holidays

401K with a 6% company match

Flexible Schedules

Technical Upskilling

Education and Training Support

Parental Paid Leave

Qualifications

• Fifteen or more years of experience as a System Administrator.
• Bachelor’s degree required; additional experience can substitute degree.
• Must hold an active Top Secret/SCI with Polygraph security clearance.

Responsibilities

• Maintain STE/STN Compliance for systems' security and standards.
• Manage accounts, rights, and access as per security requirements.
• Provide day-to-day IT support and troubleshooting.

Skills

LINUX

Windows

Virtualization

Education

Bachelor’s degree in a technical discipline

Job description

Description

Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our National Security Sector's (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!

Are you seeking a new and challenging position supporting a complex Program for the Warfighter, which implements the latest technology? Well, look no further! This is an exciting time to contribute to a mission-critical program with lasting impactful results. Join our team as a Linux Systems Administrator, where you'll provide crucial support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems. You'll 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. Additionally, you'll support dispatch systems and hardware issues, remaining actively involved in the resolution process.

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 or more (15) years of experience as a System Administrator (SA) supporting programs and contracts of similar scope, type, and complexity.
• Education: Bachelor’s degree in a technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted for a bachelor’s 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

cssrc

conmd

Original Posting:

May 12, 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 $126,100.00 - $227,950.00

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.