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System Administrator

miami, fl • Posted 4 days ago
Onsite Full Time IT & Technology

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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