IT Systems Administrator

Hana Technologies Inc.; Solon (OH); On-site; USD 70,000 - 100,000; Full time

Job summary

Hana Technologies Inc. is seeking a Systems Administrator to manage and secure the enterprise technology infrastructure. The role covers Windows Server, Active Directory, Group Policy, and M365, with responsibilities spanning virtualization, networking, and backup.

The candidate will work with the Director of IT to ensure secure, reliable, and scalable systems that support Hana's growth. Strong cybersecurity practices and experience with ISO/NIST frameworks are valued.

Qualifications

• Bachelor's degree or equivalent experience.
• 5+ years of Systems Administration experience.
• Experience with Windows Server, Microsoft 365, Active Directory, Group Policy, enterprise networking, virtualization, and backups.
• Knowledge of cybersecurity best practices and enterprise infrastructure management.
• Certifications such as Microsoft, CompTIA Security+, Network+, or Entra are preferred.
• Experience with Proxmox/VMware or other virtualization platforms preferred.
• Experience supporting manufacturing environments preferred.
• Experience with ISO 27001, NIST, or similar security frameworks preferred.

Responsibilities

• Administer Windows Server, Active Directory, Group Policy, DNS, DHCP, file services, and core infrastructure.
• Monitor system health, perform capacity planning, and document infrastructure.
• 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, VPNs, and VLANs.
• Monitor and improve cybersecurity posture; support vulnerability remediation, identity management, endpoint protection, and incident response.
• Administer backup and disaster recovery solutions; perform testing and planning; monitor performance and capacity.
• Lead infrastructure projects, evaluate new technologies, coordinate vendor implementations, and maintain documentation.

Skills

Systems Administration

Cybersecurity best practices

Vendor management

Root Cause Analysis

Project Leadership

Technical Documentation

Disaster recovery planning

Education

Bachelor's degree in Information Technology

Tools

Proxmox

VMware

Job description

The Systems Administrator is responsible for the administration, security, maintenance, and continuous improvement of the organization's enterprise technology infrastructure.

This role manages Windows Server, Microsoft 365, Active Directory, virtualization, networking, cybersecurity, backup and disaster recovery, and other core technology platforms. The Systems Administrator works closely with the Director of IT to ensure enterprise systems remain secure, reliable, scalable, and capable of supporting Hana's continued growth.

Minimum Qualifications:

• 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.

Essential Job Functions:

Infrastructure Administration -

• 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.

Microsoft 365 Administration -

• 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.

Network & Cybersecurity -

• 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.

Backup, Disaster Recovery & Monitoring -

• 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.

Technical Leadership & Documentation -

• 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.

Knowledge, Skills, & Abilities:

• Windows Server Administration
• Microsoft 365 Administration
• Active Directory & Group Policy
• Exchange Online & Entra ID
• Virtualization Technologies
• Enterprise Networking
• Firewalls, VPNs & Wireless Infrastructure
• DNS, DHCP & PowerShell
• Backup & Disaster Recovery
• Cybersecurity Best Practices
• Technical Documentation
• Vendor Management
• Root Cause Analysis
• Project Leadership

Physical Requirements:

• 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