System Administrator

Ranger Technical Resources; Miami (FL); On-site; USD 80,000 - 100,000; Full time

Job summary

A leading financial institution in Miami, FL, is seeking a System Administrator to manage Windows Server environments and oversee VMware virtualization. Responsibilities include handling patch management, remediating vulnerabilities, and maintaining backup systems. The ideal candidate will have significant experience with Windows Server and VMware, along with a relevant bachelor's degree. This is a full-time position and offers an opportunity to work in a collaborative IT Infrastructure team.

Qualifications

• 5+ years of experience in Systems Administration (Windows + VMware).
• Experience in regulated industries preferred.
• Familiarity with compliance frameworks preferred.

Responsibilities

• Manage Windows Server environments, including accounts and permissions.
• Oversee VMware virtualization stack for stability.
• Handle patch management end-to-end.
• Remediate vulnerabilities based on scan reports.
• Maintain and monitor backup systems using Veeam.

Skills

Windows Server Administration

VMware vSphere / ESXi

PowerShell

Patch management

Veeam Backup & Replication

Qualys

Nessus

PowerShell scripting

Education

Bachelor’s degree in Information Technology or related field

Tools

Windows Server

VMware

Quest KACE

GCP

Azure

Job description

Direct message the job poster from Ranger Technical Resources

System Administrator

Overview

Our partner, a leading financial institution, is seeking a System Administrator to join their IT Infrastructure team and contribute to the stability, security, and efficiency of their operations. This role is focused on day-to-day systems administration, ensuring that critical environments remain patched, compliant, and high-performing. The ideal candidate will be hands-on with Windows Server and VMware, proactive in identifying improvements, and capable of maintaining operational excellence across multiple systems and platforms.

Experience and Education

• Bachelor’s degree in Information Technology, Computer Science, or a related field
• 5+ years of experience in Systems Administration (Windows + VMware)
• Experience working in regulated industries such as banking or healthcare preferred
• Familiarity with compliance frameworks (PCI, audits, change control)
• Strong background in patch management, vulnerability remediation, and backup/recovery

Skills and Strengths

• Windows Server Administration (DNS, DHCP, Active Directory, GPOs, security permissions)
• VMware vSphere / ESXi
• PowerShell
• Quest KACE (patch management)
• Qualys, Nessus, or Rapid7 (vulnerability scanning and remediation)
• Veeam Backup & Replication
• PowerShell scripting for automation and remediation
• Cloud administration (GCP or Azure exposure) (nice to have)
• Strong understanding of security best practices and risk prioritization

Primary Job Responsibilities

• Manage and maintain Windows Server environments, including accounts, GPOs, DNS/DHCP, and permissions
• Oversee VMware virtualization stack and ensure stability and uptime of virtualized servers
• Handle patch management end-to-end, including automated deployments, troubleshooting failed patches, and manual updates when required
• Remediate vulnerabilities based on Qualys or similar scan reports and assist in security incident response activities
• Maintain and monitor backup and recovery systems using Veeam
• Use PowerShell for scripting, automation, and configuration management
• Collaborate with IT Operations, Systems Engineering, and Network teams to resolve issues and improve infrastructure performance
• Participate in compliance efforts including audits, change control documentation, and pen testing remediation
• Monitor system alerts, analyze logs, and proactively identify potential issues before they impact operations
• Document processes, troubleshooting steps, and system configurations in internal playbooks and knowledge bases
• Bring forward improvement ideas to enhance automation, monitoring, and infrastructure efficiency

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology
• Industries: Information Services and Technology, Information and Media

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