Leidos has a new and exciting opportunity for a Senior Windows Systems Administrator SME in our Intelligence Sectors 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!
Leidos is seeking a Senior Windows Systems Administrator (SA) to serve as the primary Windows SA and subject matter expert (SME) for our team. This role focuses on ownership of our Windows environment while supporting a mixedOS infrastructure.
Responsibilities
Act as the lead and primary SME for all Windows Server systems.
Manage maintain and troubleshoot Windows-based servers and services.
Provide guidance and technical support to the team on Windows-related issues.
Collaborate with team members to ensure stable and secure system operations.
Perform basic administration and troubleshooting on Linux systems as needed.
Qualifications
Bachelors degree in a technical discipline from an accredited college or university and Fifteen (15) years experience as a SA in programs and contracts of similar scope type and complexity is required. Five (5) years of additional SA experience may be substituted for a bachelors degree.
Strong experience administering Windows Server environments.
Deep understanding of core Windows services and system management.
Working knowledge of Linux systems.
Solid troubleshooting and communication skills.
Certifications: An Information Assurance Technical (IAT) level II baseline certification as defined by DoD 8570.01-M is required
Security Clearance Requirement: Active TS/SCI with polygraph
conmd
kqw
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:
February 10 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 $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:
Senior IC
Leidos has a new and exciting opportunity for a Senior Windows Systems Administrator SME in our Intelligence Sectors Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modelin...
Leidos has a new and exciting opportunity for a Senior Windows Systems Administrator SME in our Intelligence Sectors 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!
Leidos is seeking a Senior Windows Systems Administrator (SA) to serve as the primary Windows SA and subject matter expert (SME) for our team. This role focuses on ownership of our Windows environment while supporting a mixedOS infrastructure.
Responsibilities
Act as the lead and primary SME for all Windows Server systems.
Manage maintain and troubleshoot Windows-based servers and services.
Provide guidance and technical support to the team on Windows-related issues.
Collaborate with team members to ensure stable and secure system operations.
Perform basic administration and troubleshooting on Linux systems as needed.
Qualifications
Bachelors degree in a technical discipline from an accredited college or university and Fifteen (15) years experience as a SA in programs and contracts of similar scope type and complexity is required. Five (5) years of additional SA experience may be substituted for a bachelors degree.
Strong experience administering Windows Server environments.
Deep understanding of core Windows services and system management.
Working knowledge of Linux systems.
Solid troubleshooting and communication skills.
Certifications: An Information Assurance Technical (IAT) level II baseline certification as defined by DoD 8570.01-M is required
Security Clearance Requirement: Active TS/SCI with polygraph
conmd
kqw
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:
February 10 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 $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:
Senior IC
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