Senior Windows / O365 / Active Directory Engineer

Saicon Consultants Inc

San Jose, CA

JOB DETAILS
SKILLS
Authentication, Computer Engineering, Computer Science, Computer Security, Customer Support/Service, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Electronic Engineering, Electronics, Email Technology, File and Print Sharing, Help Desk, Identify Issues, Microsoft Active Directory, Microsoft Exchange Server, Microsoft Hyper-V, Microsoft Infrastructure, Microsoft Outlook, Microsoft Product Family, Microsoft Windows Azure, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Administration, Operations Processes, Operations Security (OPSEC), Performance Analysis, Problem Solving Skills, Production Systems, Scripting (Scripting Languages), Security Compliance, Server Support, Software Patches, Systems Administration/Management, Technical Writing, VMWare, Virtualization, Windows PowerShell
LOCATION
San Jose, CA
POSTED
6 days ago
Job Description:
  • Windows / O365 / Active Directory 10 to 12 years of experience
  • Engineering graduate (Computer/Electronics) from a reputed college
  • Provide Windows system (Server & Client) administration & support.
  • Windows server/client security compliance and remediation.
  • Support email infrastructure built on exchange/O365 and client-side Outlook issues.
  • Setup and troubleshoot any issues with core infrastructure services like Active Directory, DNS DHCP, File/Print services.
  • Support O365 services - Intune, Teams, OneDrive.
  • Work on Windows Infrastructure upgrade/improvement projects/tasksWe are seeking a Senior Windows / O365 / Active Directory Engineer with 10–12 years of enterprise infrastructure experience supporting Windows environments, Microsoft 365 services, and Active Directory administration. This role will focus on Windows server/client administration, security compliance, O365 support, infrastructure troubleshooting, and modernization initiatives across enterprise environments.
  • The ideal candidate will have strong expertise in Microsoft technologies, infrastructure operations, system security remediation, and end-user support within large-scale production environments.

Key Responsibilities:
  • Provide administration and support for Windows Server and Windows Client environments
  • Manage and troubleshoot Active Directory, DNS, DHCP, and core Windows infrastructure services
  • Support and maintain Microsoft Exchange and O365 environments
  • Troubleshoot Outlook client issues and email infrastructure problems
  • Administer and support Microsoft 365 services including Intune, Teams, and OneDrive
  • Perform Windows server/client security compliance, remediation, and hardening activities
  • Support file and print services within enterprise environments
  • Participate in Windows infrastructure upgrades, migrations, and improvement initiatives
  • Monitor system performance, availability, and operational health
  • Troubleshoot and resolve infrastructure, authentication, and connectivity issues
  • Create and maintain technical documentation, operational procedures, and standards
  • Collaborate with infrastructure, security, and support teams on enterprise projects
Required Qualifications:
  • Bachelor's degree in Computer Engineering, Electronics Engineering, Computer Science, or related field from a reputed institution
  • 10–12 years of hands-on experience supporting Windows infrastructure environments
  • Strong experience with Active Directory administration and troubleshooting
  • Experience supporting Microsoft Exchange and O365 environments
  • Expertise with Windows Server and Windows Client administration
  • Experience administering DNS, DHCP, File/Print services
  • Knowledge of Windows security compliance and remediation practices
  • Strong troubleshooting and problem-solving abilities
  • Experience working within enterprise-scale production environments
Preferred Qualifications
  • Experience with Microsoft Intune and endpoint management
  • Knowledge of Azure AD / Entra ID and hybrid identity environments
  • Experience with Microsoft Teams and OneDrive administration
  • Familiarity with PowerShell scripting and automation
  • Experience with patch management and vulnerability remediation tools
  • Exposure to virtualization technologies such as VMware or Hyper-V
  • Understanding of MFA, Conditional Access, and Zero Trust security concepts
Technical Skills:
  • Windows Server Administration
  • Windows Client Support
  • Active Directory
  • O365 / Microsoft 365
  • Exchange Online / Exchange Server
  • Outlook Support
  • DNS / DHCP
  • Intune
  • Teams / OneDrive
  • File & Print Services
  • Security Compliance & Remediation
  • PowerShell Scripting

About the Company

S

Saicon Consultants Inc