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L3 Systems Administrator/Remote

Remote • Posted 1 hour ago • Updated 1 hour ago

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No Travel Required

Remote

Depends on Experience

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L3 Systems Administrator

Summary

Job Summary

We are seeking an experienced L3 Systems Administrator to provide advanced technical support, manage complex system issues, and ensure the stability, security, and performance of IT infrastructure. You will act as the highest escalation point for system-related incidents and play a key role in system design and optimization.

Key Responsibilities

Act as the Level 3 escalation point for complex infrastructure and system issues
Install, configure, and maintain servers, operating systems, and enterprise applications
Monitor system performance, availability, and security
Troubleshoot and resolve advanced issues across servers, storage, and networks
Manage system upgrades, patches, and backups
Automate routine tasks using scripting (PowerShell, Bash, etc.)
Collaborate with L1/L2 support teams and provide technical guidance
Maintain system documentation, SOPs, and knowledge base articles
Ensure compliance with security policies and industry standards
Participate in on-call rotation and incident response

Required Skills & Qualifications

Strong experience with Windows Server and/or Linux administration
Expertise in system troubleshooting, performance tuning, and root cause analysis
Experience with virtualization technologies (VMware, Hyper-V, etc.)
Knowledge of networking fundamentals (DNS, DHCP, TCP/IP)
Hands-on experience with Active Directory and user management
Scripting skills (PowerShell, Bash, or Python)
Familiarity with monitoring tools and logging systems

Preferred Qualifications

Experience with cloud platforms (AWS, Azure, or Google Cloud)
Knowledge of containerization (Docker, Kubernetes)
Familiarity with backup and disaster recovery solutions
Understanding of ITIL processes and incident management
Relevant certifications (Microsoft, Linux, VMware, etc.)

Leadership Expectations

Provide technical leadership for complex incidents and problem management
Mentor L1/L2 engineers and improve team capabilities
Drive process improvements and automation initiatives
Ensure adherence to operational and security best practices

Experience

6–10 years of IT infrastructure or system administration experience
2–4 years in an L3 or senior support role preferred

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10513292
Position Id: 72379-12895-
Posted 1 hour ago

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L3 Systems Administrator/Remote

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