System Administrator
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Job Location:
Ashburn, IL - USA
Monthly Salary:
$ 107900 - 195050
Posted on:
11 hours ago
Vacancies:
1 Vacancy
Job Summary
Leidos is seeking an experienced System Administrator to support the Alaska Automation Capability (AAC) and Future Flight Services Program (FFSP) contracts with the Federal Aviation Administration (FAA). This role serves as a core member of our system ownership team and is responsible for ensuring the reliability availability and security of both our software development and test laboratory environments as well as our operational production systems.
The System Administrator will be expected to apply deep technical expertise across Linux Windows networking and system security domains. The position requires a proactive approach to system sustainment continuous improvement and lifecycle management. The successful candidate will contribute to the design development and deployment of innovative technology solutions supporting current program needs and evolving FAA mission requirements.
Primary Responsibilities:
- Configuration and administration of Linux and Windows systems in lab and operational environments
- Network configuration and management
- Manage system access and group policies
- Installation of custom and COTS software in lab and operational environments
- Troubleshooting lab and operational environment issues and coordinating with relevant team to ensure timely resolution of issues with minimal impact to the engineering and operations team
- Lead the planning documentation and implementation of lab and operational environment changes
Basic Qualifications:
- Bachelors degree in computer science or a related field with 8-12 years of relevant experience or a Masters degree with 6-10 years of experience.
- Significant experience in either Linux or Windows system administration with knowledge of and experience in the other:
- Linux
- Strong proficiency in Linux environments including:
- SSH command-line operations filesystem management
- File and directory permissions process and service management
- Package management
- Shell scripting (bash)
- Demonstrated capability in diagnosing system issues and performing root-cause analysis.
- Windows
- Hands-on experience with Windows Server OS core services and infrastructure components.
- Expertise in Active Directory administration including:
- User and group management
- Organizational Unit (OU) design
- Group Policy creation linking inheritance and security-related configuration
- Replication and domain controller management
- Strong working knowledge of PowerShell for automation and system administration.
- Configuration and troubleshooting of Linux and Windows network settings.
- Solid understanding of TCP/IP networking principles.
- Experience with DNS DHCP routing concepts and firewall rules.
- Ability to resolve connectivity latency and name resolution issues across heterogeneous environments.
- Practical knowledge of system access control authentication and authorization.
- Experience implementing encryption technologies.
- Familiarity with multifactor authentication solutions.
- Knowledge of web server technologies (Apache Nginx).
- System hardening techniques aligned with best practices and compliance requirements.
- Ability to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing
- Independent thinker capable of performing high quality work both independently and with a team in a fast-moving environment
- Ability to obtain SF-85
- US citizenship required
Preferred Qualifications:
- Programming or scripting experience in languages such as Java Perl HTML/CSS.
- Experience with Ansible and infrastructure-as-code concepts; familiarity with YAML.
- Exposure to Agile methodologies and iterative software delivery practices.
- Hands-on experience with deploying configuring and managing custom and COTS software packages.
- Familiarity with database administration or operations (MySQL SQL Server PostgreSQL and/or MongoDB).
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 12 2025For 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 $107900.00 - $195050.00The 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:
Unclear Seniority
Key Skills
- Active Directory
- VMware
- Computer Networking
- Microsoft Windows Server
- Solaris
- Windows
- Linux
- SAN
- Shell Scripting
- System Administration
- Dns
- CentOS
About Company
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.
