Systems Administrator - Azure, VMware & Security (On-Site)

MD-Staff - Applied Statistics & Management Inc.; Temecula (CA); On-site; USD 62,000 - 83,000; Full time

Benefits offered by this job

PTO after probation

Medical insurance

Dental coverage

Vision coverage

Dependent coverage options

FSA

DCFSA

401(k) match

Weekly team lunches

All-Hands collaboration days

Company parties

Modern tech stack

Job summary

MD-Staff - Applied Statistics & Management Inc. in Temecula, CA seeks a System Administrator to maintain and scale a SaaS hosting environment spanning Windows Server, VMware, Azure, and networking.

You will own security policies and SOC 2/HIPAA compliance, while guiding clients on security posture. You will manage access, patching, hardening, and incident response, with on-call rotations and off-hours maintenance to minimize disruption.

Qualifications

• 5+ years of system administration or infrastructure engineering experience.
• Strong fundamentals in operating systems, file systems, networking, firewalls and security configurations.
• Experience configuring Windows Server and IIS with automation.
• Experience deploying resources in Azure.
• Experience managing Active Directory, Group Policy, and Microsoft Entra ID.
• VMware vSphere and vSAN configuration and management.
• Experience patching Windows and other devices at scale.
• PowerShell automation proficiency.
• Familiarity with HIPAA, SOC 2, HITRUST, or FedRAMP compliance and audits.
• Strong written and verbal communication skills.

Responsibilities

• Manage, document, and scale our infrastructure across Windows Server, VMware, and Azure.
• Handle access control in Entra ID and AD for appropriate permissions.
• Own patch management and automate it across systems and devices.
• Maintain system hardening aligned with best practices and vulnerabilities.
• Troubleshoot monitoring alerts and user-reported issues to resolution.
• Support security and compliance audits and client communications.
• Perform maintenance during off-hours to minimize disruption.
• Respond to high-severity alerts impacting security or availability.

Skills

Windows Server

Azure

Active Directory

PowerShell

Networking

IIS

VMware vSphere

Group Policy

Microsoft Entra ID

Tools

Terraform

Palo Alto Panorama

NGINX

Azure Front Door

Azure Application Gateway

VPNs

Job description

MD-Staff - Applied Statistics & Management Inc. in Temecula, CA seeks a System Administrator to maintain and scale a SaaS hosting environment spanning Windows Server, VMware, Azure, and networking.

You will own security policies and SOC 2/HIPAA compliance, while guiding clients on security posture. You will manage access, patching, hardening, and incident response, with on-call rotations and off-hours maintenance to minimize disruption.