Systems Engineer

Privacy Policy – Core Natural Resources, Inc.

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

We look forward to seeing you