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IT Systems Administrator

Hana Technologies, Inc.
Solon, USA
Full-time
Senior Level
Onsite
Discovered 1 months ago

Full Job Posting

  • Bachelor's degree in Information Technology or equivalent experience.
  • Five (5) or more years of Systems Administration experience.
  • Experience administering Windows Server, Microsoft 365, Active Directory, Group Policy, enterprise networking, virtualization platforms, and backup solutions.
  • Strong understanding of cybersecurity best practices and enterprise infrastructure management.
  • Microsoft, CompTIA Security+, Network+, or Entra certifications preferred.
  • Experience with Proxmox, VMware, or other enterprise virtualization platforms preferred.
  • Experience supporting manufacturing environments preferred.
  • Experience supporting ISO 27001, NIST, or similar security frameworks preferred.
  • Administer Windows Server, Active Directory, Group Policy, DNS, DHCP, file services, and core infrastructure platforms.
  • Monitor system health, perform capacity planning, and maintain infrastructure documentation.
  • Implement server maintenance, patching, and performance optimization.
  • Administer Microsoft 365 services including Exchange Online, Entra ID, Teams, SharePoint Online, OneDrive, licensing, and security.
  • Manage Conditional Access, MFA, email security, retention policies, and compliance features.
  • Administer enterprise networking including switches, firewalls, wireless infrastructure, VPNs, and VLANs.
  • Monitor, maintain, and improve the organization's cybersecurity posture.
  • Support vulnerability remediation, identity management, endpoint protection, incident response, and security compliance initiatives.
  • Administer backup and disaster recovery solutions.
  • Perform backup validation, recovery testing, and disaster recovery planning.
  • Proactively monitor infrastructure performance, availability, and capacity while performing root cause analysis and preventative maintenance.
  • Lead infrastructure projects, evaluate new technologies, and coordinate vendor implementations.
  • Develop and maintain technical standards, system documentation, disaster recovery documentation, and network diagrams.
  • Provide Tier III technical support for complex infrastructure issues and mentor junior IT staff when appropriate.

• Exchange Online & Entra ID

  • Virtualization Technologies
  • Enterprise Networking

• Cybersecurity Best Practices

  • Technical Documentation
  • Vendor Management

• Root Cause Analysis

  • Project Leadership
  • Ability to work at a desk and computer workstation for extended periods
  • Standard office environment; no heavy lifting or physical requirements beyond normal office work

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