Tier4 Group

Senior System Administrator

Washington, DC • Posted Yesterday
Onsite Full Time IT Services and IT Consulting

Senior Infrastructure & Systems Administrator-(Medical Systems)


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

100% onsite in Washington, DC


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.


Key Responsibilities

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


Required Qualifications

  • Bachelor's degree in IT, Computer Science, Cybersecurity, or related field
  • 8+ years of IT infrastructure experience
  • 5+ years of experience with:

Server administration (Windows/Linux)

Cloud platforms (Azure and/or AWS)

Database administration

Enterprise storage, backup, and recovery

Network administration and cybersecurity

  • Strong troubleshooting and infrastructure support skills


Preferred Certifications

  • Azure Administrator
  • AWS SysOps Administrator or Solutions Architect
  • CCNA/CCNP
  • Security+
  • CISSP


Interested in learning more? APPLY TODAY!!


Senior System Administrator in Washington at Tier4 Group

This position is listed as full time and onsite. It was posted yesterday.

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