Senior Systems Administrator

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We are looking for an experienced Senior Systems Administrator who thrives in complex enterprise environments and enjoys solving challenging infrastructure problems. In this role, you will help ensure the stability, security, and performance of critical systems that support the organization's daily operations.

This is a hands-on technical role where you will work with modern infrastructure technologies including Windows Server, VMware, Microsoft 365, Azure Active Directory, Citrix, and enterprise backup solutions. You'll collaborate with infrastructure, security, and application teams while also serving as a senior escalation point for system issues.

If you enjoy improving systems, automating processes, and keeping mission-critical environments running smoothly, we'd love to hear from you.

What You'll Do

As a Senior Systems Administrator, you will help design, maintain, and optimize the organization's server and infrastructure environment. Key responsibilities include:

• Configure, administer, and optimize enterprise Windows Server environments

• Manage Active Directory including users, groups, Group Policy Objects (GPOs), DHCP, DNS, delegation, and security auditing

• Administer VMware vSphere infrastructure including virtual machine provisioning, performance tuning, and lifecycle management

• Provide advanced support and administration for Microsoft Exchange and Microsoft 365 environments

• Manage Azure Active Directory (Entra ID) identity lifecycle and access controls

• Support and maintain Citrix Virtual Apps and Desktops environments

• Administer Citrix NetScaler (ADC) for secure application delivery and network access

• Configure and manage SAN infrastructure

• Maintain Public Key Infrastructure (PKI) environments and certificate lifecycle management

• Manage enterprise backup and recovery platforms including Veritas NetBackup, Veeam, ExaGrid, and Spectra Logic

• Develop PowerShell automation for administrative tasks, reporting, and system management

• Troubleshoot complex infrastructure issues with a focus on root cause analysis

• Maintain documentation and support continuous system improvement initiatives

• Collaborate with infrastructure, security, and application teams to support enterprise architecture

• Serve as a senior escalation point during system incidents and outages

• The role is required to take call in a rotation with other team members

What You'll Bring

Minimum Qualifications:

• Bachelor's degree in Management Information Systems, Information Technology, or related field, or equivalent experience

• 6+ years of professional IT experience in enterprise environments

• Advanced expertise with:

  • Windows Server

  • Active Directory / Azure Active Directory

  • VMware

  • Microsoft Exchange / Microsoft 365

• Strong PowerShell scripting and automation experience

• Experience supporting enterprise production environments

• Experience with SAN administration and configuration

• Strong communication, documentation, and collaboration skills

• Ability to work independently and manage priorities in a fast-paced environment

Preferred Qualifications

• Experience supporting healthcare technology environments

• Experience with HPE Nimble / HPE Alletra storage platforms

• Experience with Veritas NetBackup, Veeam, ExaGrid, or Spectra Logic

Why Join Us

Our IT team plays a critical role in supporting systems that enable employees to deliver exceptional service and care. In this role, you'll have the opportunity to:

• Work with modern enterprise technologies

• Contribute to system improvements and automation initiatives

• Collaborate with experienced technical teams

• Make a meaningful impact on the reliability and security of mission-critical systems