Leidos · 5 hours ago
Mid-level System Administrator TS/SCI Polygraph
Annapolis Junction, MD
Full-time
Onsite
Mid, Senior Level, Lead/Staff
$92K/yr - $167K/yr
8+ years expLeidos has a new and exciting opportunity for a Mid Level System Administrator in our National Security Sector's Cyber & Analytics Business Area. The role involves system administration support activities for a large, complex network environment, ensuring the optimization and performance of server and desktop configurations.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
The selected individual will be responsible for installing and administrating systems, applications, and processes, and for ensuring that all issues are identified and resolved in a timely manner
The applicant will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently
The individual will also perform security management and application performance optimization functions
Administration/sustainment of a system that provides a web-based application for storing, sharing, and distributing information
Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations
Identifying and correcting hardware and software issues
Responding to system administration, operations, and maintenance problems, and developing re-work solutions
Creating and maintaining documentation of complex server/network environments to ensure that clear, concise and accurate information is readily available for incident resolution
Communicating with users and external support personnel regarding system outages and upgrades, and conferring with upper management regarding recommended resolution options
Qualification
Required
Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical field and at least 8 years of relevant experience. Additional experience may be substituted for a degree
Must have experience as a systems administrator providing direct support to end users and technical staff (developers, testers, engineers, etc.)
Must be proficient with Windows Server, 2016, 2019, and Active Directory
Must have experience with Linux and Microsoft-based servers and workstations
Must have experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments
Must have experience with software/hardware deployment, patches, and operating systems, and basic system backup and restore functions
Must have experience with and/or have knowledge of Red Hat 7 and 8, and VMWare
Must have experience with Apache Tomcat, IIS, and/or SQL server database
Must have experience documenting and providing information for security accreditation and certification
Must have a solid understanding of advanced security protocols and standards
Must have experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment)
Must have experience with both Client and Server virtualization environments
Must have experience with installation, configuration, troubleshooting, and reimaging hardware
Must have experience with disk arrays, PowerShell and PowerCLI, KVMs
Must have knowledge of PKI systems which use HSMs
Knowledge of NTP servers for time synchronization
Must have experience optimizing system operations
Must have a solid understanding of information security principles and practices
Must have experience with or familiarity with software and security architectures
Must be able to support occasional day or short duration travel, if needed
Clearance Required: Must have TS/SCI with Polygraph
Preferred
Knowledge building from zero, configuring and maintaining large, distributed Trellix ePO environments
SALT and Python scripting experience
Benefits
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
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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