Leidos · 16 hours ago
IT Systems Administration Specialist
San Antonio, TX
Full-time
Onsite
Mid, Senior Level
$92K/yr - $167K/yr
6+ years expLeidos is a company that delivers innovative solutions through the efforts of diverse and talented people dedicated to customer success. They are seeking an IT Systems Administration Specialist to manage server systems, collaborate with team leads, and optimize virtual desktop environments while ensuring security and functionality of IT infrastructure.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Manage installation, configuration, and troubleshooting of diverse server systems encompassing Windows, Linux, and Appliances, ensuring seamless functionality and optimal performance
Collaborate closely with the Team Lead to meticulously identify, assess, and present viable options for meeting functional and technical requirements, encompassing both hardware and software solutions, fostering informed decision-making
Efficiently manage and configure Virtual Desktop Infrastructure (VDI) environments, optimizing user experience and resource utilization to meet organizational objectives effectively
Document and rigorously enforce hardware standards to uphold consistency, reliability, and compatibility across server infrastructure, enhancing efficiency and minimizing potential vulnerabilities
Oversee the management and maintenance of IP addressing schema, ensuring logical and efficient allocation of network resources, promoting scalability and streamlined communication
Install, configure, and troubleshoot computer networking systems, ensuring optimal performance
Assist in cabling and network setup for various IT infrastructure projects
Maintain, service, and repair switch, computer hardware, peripherals, and software
Execute comprehensive security hardening measures, timely patching, and server certificate updates, while also leveraging expertise in Cloud technologies to bolster resilience and adaptability in the infrastructure
Develop meticulous documentation for System Installation Plans and System Administration Guides, empowering stakeholders with clear, accessible resources for system setup, maintenance, and troubleshooting
Fulfill additional tasks as directed by Lead Engineers or Project Managers, demonstrating adaptability and a willingness to contribute to the team's success across various initiatives
Provide transparent and regular status updates in the requested format, fostering clear communication and alignment with project milestones and objectives, ensuring stakeholders remain informed and engaged throughout the process
Qualification
Required
Bachelor's degree in information systems, computer science, information security or related field and 8+ years of prior relevant work experience or a Masters with 6+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree
Active DoD clearance at the Top-Secret/SCI level
CompTIA Security+ Certification or other DOD 8570 IAT Level II Certification
Experience managing virtual machines and VMware ESXi
At least 3 years Linux and/or Windows familiarity
Ability to maintain servers, create monitoring reports and logs, and ensure functionality of systems
Knowledge of defense-in-depth principles, Network and Security architecture, network topology, IT device integrity, and common security elements
Experience configuring network devices
An understanding and in-depth knowledge of IP network/subnet addressing
Experience developing and presenting technical information to team lead
Hands-on experience deploying, configuring and troubleshooting Cisco enterprise network routing, switching and firewall/security devices
Strong knowledge of server hardware, storage, and networking concepts in virtualized environments
Effective written and oral communication and problem-solving skills
Ability to travel up to 10%+ CONUS travel
Preferred
Extensive knowledge of network engineering and operations, integration, test and evaluation activities, as well as implementation and transition to Network Operations processes and concepts
Experience with VDI technologies
Experience and with and practical understanding of enterprise WAN principles
Experience with change, configuration and performance management NetOps concepts
Networking experience with CCNA and/or COMPTIA Network+ certifications are a plus
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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