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Senior System Administrator

Job in Brea, Orange County, California, 92631, USA
Listing for: AmWest Funding Corp®
Full Time position
Listed on 2026-01-12
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, IT Support, Cloud Computing
Salary/Wage Range or Industry Benchmark: 70000 - 90000 USD Yearly USD 70000.00 90000.00 YEAR
Job Description & How to Apply Below

This range is provided by AmWest Funding Corp®. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$70,000.00/yr - $90,000.00/yr

Company - AM West Funding Corp.

Position - Sr. System Administrator

Rate - $70-90K PERM

Description

The System Administrator is responsible for designing, implementing, and managing local area networks (LANs), wide area networks (WANs), as well as cloud and remote networks. This role involves installing, upgrading, and monitoring both software and hardware, and core infrastructure, including operating systems, business applications, security tools and appliances, web servers, email systems, laptops and desktop PCs, and phones.

Key Responsibilities
  • Configure and manage Azure resources, including Virtual Networks, VMs, Storage, Backup & Site Recovery, security, and identity management.
  • Administer and maintain Microsoft Entra , Group Policy Objects, O365/Exchange Online, Teams, One Drive, SharePoint, and Intune.
  • Monitor, patch, and secure systems in alignment with SOC 1 and internal security policies.
  • Oversee endpoint management solutions, including MDM, DLP, Sentinel One, and Cisco Umbrella.
  • Optimize and monitor cloud performance using Azure Monitor, Azure Automation, and Power Shell.
  • Troubleshoot and resolve cloud infrastructure issues across production, development, and staging environments.
  • Manage and troubleshoot on-premises network devices, VPN connectivity, and network security.
  • Configure, deploy, and maintain Windows 11 workstations and other related peripherals for end users.
  • Support compliance activities by participating in annual disaster recovery simulations, network penetration testing, and other assessments.
  • Collaborate with Dev Ops and business teams to support design, deployment, optimization of systems, applications, and databases.
  • Implement, monitor, and regularly test enterprise backup and disaster recovery solutions (e.g., Azure Backup) to ensure business continuity.
  • Maintain detailed documentation of system configurations, standard operating procedures, and troubleshooting guides for knowledge sharing and audit readiness.
  • Manage user provisioning, de-provisioning, role-based access controls, and enforce least-privilege and Zero Trust security principles.
Education & Experience
  • Bachelor’s degree in Computer Science, Information Systems, or a related discipline (or equivalent professional experience).
  • 4+ years of professional experience in system administration or related IT roles.
  • Demonstrated expertise in Microsoft Azure cloud services, including configuration, administration, and ongoing support.
  • Proficiency in Microsoft Entra , Microsoft 365 administration, Intune, and Purview.
  • Hands‑on experience supporting remote access solutions, including VPN technologies and Azure Virtual Desktop.
  • Strong understanding of endpoint protection platforms (e.g., Sentinel One) and enterprise security controls.
  • Knowledge of threat detection, triage, and containment procedures, with practical experience in incident response.
  • Familiarity with Security Information and Event Management (SIEM) platforms for monitoring and log analysis.
  • Working knowledge of Cisco Umbrella and cloud-based security solutions.
Preferred Certifications
  • CompTIA Security+
  • CompTIA Network+
  • Microsoft 365 Certified:
    Modern Desktop Administrator Associate (MD‑102)
Compensation

$70,000 to $90,000 per year annual salary.

Exact compensation may vary based on several factors, including skills, experience, and education.

Seniority level

Not Applicable

Employment type

Full-time

Job function

Administrative and Information Technology

Industries

Financial Services, Banking, and Real Estate

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Position Requirements
10+ Years work experience
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