Hybrid IT Systems Administrator — Automation & Security

Crest Industries; Pineville (LA); On-site; USD 65,000 - 90,000; Full time

Job summary

Crest Operations is seeking an IT Systems Administrator to own the reliability, security, and continuous improvement of its hybrid IT environment. You will administer core infrastructure, solve complex technical problems, automate repetitive work, and maintain documentation and controls for stable operations.

The role emphasizes independent work, rapid decision-making based on logic and standards, and a focus on reducing manual effort through automation and proactive risk management.

Qualifications

• 3-7 years of systems-administration experience in a Windows enterprise environment.
• Strong knowledge of Windows Server, Active Directory, Group Policy, Microsoft 365, and Entra.
• Experience with VMware or Azure-based virtual infrastructure.
• Experience managing endpoints through Intune or Workspace ONE.
• Working knowledge of identity security, access controls, backup, recovery, and monitoring.
• PowerShell scripting or comparable automation experience.
• Ability to diagnose complex issues and make sound technical decisions independently.
• Strong documentation practices and attention to configuration accuracy.

Responsibilities

• Administer Windows Server, Active Directory, Group Policy, Microsoft 365, and Microsoft Entra.
• Maintain hybrid infrastructure across VMware, Azure IaaS, and on-premises environments.
• Manage identity, access, conditional-access policies, permissions, and Okta integrations.
• Configure endpoints, compliance policies, applications, and software deployments using Intune and Workspace ONE.
• Execute upgrades, patching, migrations, backups, recovery testing, and system retirements.
• Monitor system health, investigate alerts, and resolve root causes.
• Use PowerShell, APIs, and automation to improve reliability and reduce manual work.
• Maintain accurate system configurations, network records, procedures, and compliance documentation.
• Support infrastructure modernization, lifecycle planning, and platform optimization.
• Manage tickets, changes, and service commitments in accordance with ITIL practices.
• Identify security, reliability, licensing, and capacity risks before they affect the business.

Skills

Windows Server

Active Directory

Group Policy

PowerShell

VMware

Azure

Intune

Workspace ONE

Okta

Microsoft 365

Entra

Documentation

Tools

VMware

Azure IaaS

Intune

Workspace ONE

Okta

PowerShell

Veeam

PRTG

SolarWinds

Microsoft 365

Entra

Job description

Crest Operations is seeking an IT Systems Administrator to own the reliability, security, and continuous improvement of its hybrid IT environment. You will administer core infrastructure, solve complex technical problems, automate repetitive work, and maintain documentation and controls for stable operations.

The role emphasizes independent work, rapid decision-making based on logic and standards, and a focus on reducing manual effort through automation and proactive risk management.