Position Overview

We are seeking a skilled Systems Engineer to join our Infrastructure team. This role focuses on server-side technologies. The ideal candidate will have hands-on experience managing and supporting virtualized environments, backup and recovery platforms, Linux and Windows servers, and enterprise services across both on-prem and cloud infrastructure.

Key Responsibilities

• Accept, embrace, and promote the following values of Core Natural Resources: Safety, Sustainability & Continuous Improvement
• Administer and maintain virtual infrastructure using Nutanix AHV and VMware ESXi
• Manage backup and disaster recovery solutions including HYCU, ExaGrid, Data Domain, and Commvault
• Maintain and support Active Directory environments, including GPOs and replication
• Administer Microsoft 365 services (Exchange Online, SharePoint, Teams) and Azure cloud infrastructure (VMs, storage, identity, networking, etc.)
• Contribute to AWS environment administration as needed (EC2, S3, IAM, etc.)
• Perform patching, upgrades, and system maintenance to ensure availability and performance
• Script and automate tasks (e.g., PowerShell) to streamline operations
• Support and maintain Linux-based systems alongside Windows Server environments
• Work with Okta to support identity and access management in coordination with cloud services
• Support infrastructure monitoring and alerting tools; respond to system alerts and service degradation
• Participate in rotating on-call support for critical systems

Required Qualifications

• 3+ years of experience in a Systems Engineer or similar infrastructure role
• Strong working knowledge of virtualization platforms (Nutanix AHV and/or VMware ESXi)
• Experience with enterprise backup and DR solutions (e.g., HYCU, Commvault, ExaGrid, Data Domain)
• Solid understanding of Microsoft Active Directory, including domain controllers, DNS, and GPOs
• Proficiency with Microsoft 365 and Azure services and management consoles
• Familiarity with AWS infrastructure
• Experience supporting both Windows and Linux servers in an enterprise environment
• Working knowledge of identity management tools such as Okta
• Strong troubleshooting skills and experience supporting enterprise applications and services
• Scripting/automation with PowerShell or similar tools

Preferred Qualifications

• Experience with hybrid infrastructure and cloud migration initiatives
• Exposure to infrastructure monitoring and alerting tools (e.g., SolarWinds, LogicMonitor)
• Microsoft, VMware, or Nutanix certifications are a plus

Additional Information

• This position is based in Canonsburg, PA and is fully in-person
• Must be comfortable working both independently and as part of a collaborative team
• Occasional travel to datacenter or remote sites may be required