Perennial Resources International
Perennial Resources InternationalVerified Source

Systems Administrator Windows and Linux Support

120K–175K
Onsite · New York, New York
Posted August 12, 2026
payroll

Overview

A global investment firm seeks Systems Administrators to manage Windows and Linux server environments, advanced storage, and clustered computing infrastructure. You will maintain enterprise communications systems for traders and analysts in a high-performance finance setting. The role demands hands-on troubleshooting across VMware, Active Directory, and PowerShell automation. You'll join a team that values deep technical problem-solving and operational excellence, with a focus on stability and speed. This is an onsite role in New York, offering direct impact on critical trading systems.

What You'll Do8

  • 1Maintain Windows Server and Linux environments, ensuring uptime and performance across production systems.
  • 2Administer Active Directory, DNS, and DHCP to support secure authentication and network services.
  • 3Manage VMware clusters and virtual machines, including provisioning, patching, and capacity planning.
  • 4Automate routine tasks with PowerShell and Bash scripts to reduce manual effort and errors.
  • 5Support enterprise storage arrays (NetApp, EMC) and backup solutions to protect critical data.
  • 6Monitor system health using Splunk and Nagios, responding to incidents and root-cause issues.
  • 7Collaborate with security teams to enforce CIS benchmarks and harden server configurations.
  • 8Document system changes and procedures for operational handover and knowledge sharing.

Requirements8

  • 13+ years administering Windows Server and Linux (RHEL or Ubuntu) in production environments.
  • 22+ years with VMware vSphere and virtualized server clusters.
  • 3Proficiency in PowerShell scripting for automation and configuration management.
  • 4Hands-on experience with Active Directory, Group Policy, and DNS.
  • 5Familiarity with storage technologies like NetApp and EMC.
  • 6Experience with monitoring tools such as Splunk or Nagios.
  • 7Strong troubleshooting skills in high-pressure, 24/7 environments.
  • 8Relevant certification (e.g., MCSE, RHCE, or VMware VCP) is a plus.

Salary Insight

$120 - $175k per year

Location

Typeonsite
LocationNew York, New York

Required Skills

WindowsLinuxadvanced storageclustered computingenterprise communications infrastructure
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