×
Register Here to Apply for Jobs or Post Jobs. X

Systems Engineer III - Microsoft Cloud and Infrastructure

Job in Irvine, Orange County, California, 92713, USA
Listing for: Courser
Full Time position
Listed on 2026-08-07
Job specializations:
  • IT/Tech
    Systems Engineer, Windows Server, Cybersecurity, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

About Courser

Courser accelerates the growth of IT service provider companies. We forge dynamic partnerships, leveraging our values of Teamwork, Service, Growth-Mindedness, Trust, and Innovation to deliver impactful solutions and phenomenal customer experiences. If you thrive in a fast-paced IT environment, join our rapidly expanding team and contribute to our ongoing success.

Systems Engineer III – Microsoft Cloud & Infrastructure

We areseekinga highly skilled Systems Engineer III – Microsoft Cloud & Infrastructure to serve as a senior technical resource for Microsoft cloud services, server infrastructure, identity management, backup and disaster recovery, and escalated support.

The ideal candidate brings extensive experience in Microsoft technologies and MSP environments, with the ability to resolve complex technical issues, mentor junior engineers, improve technical standards, andprovidepractical guidance to clients and internal teams.

This role focuses primarily on systems, cloud, identity, infrastructure reliability, documentation, and operational improvement. Primary ownership of networking, WAN, wireless,firewall, VoIP, and telecom platforms is expected to sit with a separate Network & Security role.

Key Responsibilities:

Technical Leadership & Escalations
  • Serve as a senior escalation point for complex technical issues involving Microsoft 365, Windows Server, cloud services, identity platforms, and backup infrastructure.
  • Perform advanced troubleshooting and root-cause analysis across servers, cloud services, authentication systems, endpoint systems, and client environments.
  • Provide technical mentorship and guidance to junior engineers and support staff.
  • Create customer-ready summaries, technical recommendations, and remediation plans.
  • Support service reviews and escalation discussions byidentifyingpractical next steps and long-term remediation opportunities.
Solution Design, Standards & Architecture
  • Design and recommend scalable infrastructure, cloud, and identity solutions that align with client business and technical requirements.
  • Evaluate existing environments and recommend improvements to reliability, security, performance, and supportability.
  • Establish and promote technical standards, best practices, and repeatable configurations across supported environments.
  • Contribute to standardization initiatives that improve consistency, efficiency, andengineereffectiveness.
Windows Server & Infrastructure
  • Lead the administration and optimization of Windows Server environments.
  • Support Active Directory, Group Policy, DNS, DHCP, DFS, file services, and identity infrastructure.
  • Troubleshoot domain controllers, authentication issues, replication problems, file permissions, and server performance concerns.
  • Support environment transitions and inherited infrastructure stabilization efforts.
  • Maintain system reliability, performance, and operational readiness.
Microsoft 365 & Cloud Services
  • Administer and support Microsoft 365 environments, including:
  • Exchange Online
  • SharePoint Online
  • Microsoft Teams
  • One Drive
  • Entra
  • Manage user lifecycle processes including onboarding, offboarding, licensing, and access management.
  • Troubleshoot email delivery, authentication, collaboration, permissions, and synchronization issues.
  • Support Azure Virtual Desktop (AVD) and Remote Desktop Services (RDS) environments.
  • Support Microsoft 365 tenant migrations, onboarding activities, cloud adoption, and platform modernization efforts.
Identity & Security
  • Implement and support:
  • Multi-Factor Authentication (MFA)
  • Conditional Access policies
  • Identity governance controls
  • Access management controls
  • Assist with security investigations, remediation activities, and policy-related troubleshooting.
  • Support endpoint security tools including

    Huntress,Sentinel One, and related platforms.
  • Promote security best practices and help organizations improve their security posture.
  • Participate in security reviews and compliance-related initiatives.
Backup & Disaster Recovery
  • Administer and support backup and business continuity platforms, including Datto,Axcient, and comparable solutions.
  • Monitor backup success and remediation requirements.
  • Validate restores and recovery procedures.
  • Assistwit…
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary