Senior System Administrator

Job Description

Senior Infrastructure & Systems Administrator-(Medical Systems)

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DUE TO THE NATURE OF THIS WORK, YOU MUST BE A US CITIZEN!

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100% onsite in Washington, DC

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Tier4 Group is seeking a Senior Infrastructure & Systems Administrator to support the U.S. Secret Service Occupational Health and Medical Programs. This role will maintain and secure enterprise IT infrastructure across cloud and on-premises environments.

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Key Responsibilities

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• Administer Windows and Linux server environments
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• Support Azure and/or AWS cloud infrastructure
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• Manage databases, storage, backup, and disaster recovery processes
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• Maintain network infrastructure including routers, switches, and firewalls
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• Support cybersecurity initiatives, access controls, and system hardening
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• Troubleshoot enterprise systems and provide technical support
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• Develop technical documentation and recommend infrastructure improvements
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Required Qualifications

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• Bachelor's degree in IT, Computer Science, Cybersecurity, or related field
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• 8+ years of IT infrastructure experience
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• 5+ years of experience with:
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Server administration (Windows/Linux)

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Cloud platforms (Azure and/or AWS)

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Database administration

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Enterprise storage, backup, and recovery

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Network administration and cybersecurity

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• Strong troubleshooting and infrastructure support skills
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Preferred Certifications

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• Azure Administrator
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• AWS SysOps Administrator or Solutions Architect
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• CCNA/CCNP
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• Security+
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• CISSP
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Interested in learning more? APPLY TODAY!!

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