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Microsoft Defender Jobs in California (NOW HIRING)

Integration Technologies

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Senior Microsoft Consultant

Irvine, CA · On-site

$83K - $104K/yr

Defender for Endpoint * Defender for Office 365 * Defender for Identity * Defender for Cloud Apps * Microsoft Secure Score * Threat Analytics * Attack Simulation Training * Safe Links * Safe ...

Trinus

Microsoft Security Engineer

Los Angeles, CA · On-site

Los Angeles, CA (Hybrid) · Implement and optimize Microsoft Security tools, including but not limited to Microsoft Defender for Endpoint, Defender for Office 365, Sentinel, Microsoft Purview, and ...

Hexplora

Security Engineer

Sacramento, CA · On-site

Implement and administer Microsoft security technologies, including Microsoft Sentinel, Microsoft Defender, Defender for Cloud Apps (CASB), Microsoft Purview, and related solutions. * Perform threat ...

acralending

IT System Security Engineer

Irvine, CA · On-site

$110K - $130K/yr

Experience working with tools such as Microsoft Defender, Microsoft Intune, Okta, SIEM platforms, and enterprise firewalls is highly desirable. This role requires a deep understanding of security ...

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Microsoft Defender information

What are the typical day-to-day duties of a professional working in a Microsoft Defender security role?

In a Microsoft Defender security role, your daily responsibilities usually include monitoring security alerts, analyzing potential threats, conducting vulnerability assessments, and responding to incidents using Microsoft technologies. You’ll collaborate with IT and business teams to implement security best practices, perform regular system audits, and continuously optimize defense strategies. The role may also involve preparing security documentation, participating in incident response drills, and providing guidance on the safe use of digital resources. This position is both dynamic and collaborative, often requiring fast problem-solving to protect organizational assets effectively.

What is a Microsoft Defender job?

A Microsoft Defender job typically involves working with Microsoft's security solutions to protect systems, networks, and data from cyber threats. Professionals in this role may focus on threat detection, incident response, vulnerability management, and security policy enforcement. They use Microsoft Defender products, such as Defender for Endpoint and Defender for Office 365, to monitor and mitigate security risks. This role is common in cybersecurity teams within enterprises, managed security service providers (MSSPs), and Microsoft itself. Strong knowledge of cybersecurity principles, threat intelligence, and Microsoft security tools is essential.

What are the key skills and qualifications needed to thrive in the Microsoft Defender position, and why are they important?

To thrive as a Microsoft Defender (Security Engineer or Analyst), you need a solid background in cybersecurity, network administration, and threat detection, often demonstrated by a relevant degree and certifications like CompTIA Security+ or Microsoft Certified: Security Operations Analyst Associate. Mastery of Microsoft security solutions such as Microsoft Defender for Endpoint, Azure Security Center, and SIEM tools is essential. Strong analytical thinking, attention to detail, proactive communication, and teamwork are key soft skills for success in this role. These abilities ensure you can effectively identify and mitigate threats while collaborating with cross-functional teams to maintain organizational security.

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Microsoft Defender jobs near you
Infographic showing various Microsoft Defender job openings in California as of July 2026, with employment types broken down into 9% Internship, 82% Full Time, and 9% Contract. Highlights an 82% In-person, 9% Hybrid, and 9% Remote job distribution.
Senior Microsoft Consultant

Senior Microsoft Consultant

Integration Technologies

Irvine, CA • On-site

$83K - $104K/yr

Full-time

Medical, Retirement, PTO

Posted 5 days ago

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Job description

Senior Microsoft 365 / Azure Systems Administrator (Level III)

Position Overview

 

Integration Technologies is seeking a highly experienced Senior Microsoft 365 / Azure Systems Administrator (Level III) to join our growing engineering team. This is not a help desk or desktop support position. We are looking for a true Microsoft expert who can architect, deploy, secure, maintain, and troubleshoot enterprise Microsoft environments for multiple clients.

The ideal candidate will have extensive experience with Microsoft 365, Azure, Microsoft Entra ID, Intune, Exchange Online, SharePoint, Teams, Microsoft Defender, Microsoft Purview, Microsoft Sentinel, Windows Server, Active Directory, and PowerShell automation.

This individual will serve as our senior Microsoft engineer and technical authority for Microsoft technologies. They will be expected to design enterprise solutions, lead migrations, implement security best practices, troubleshoot the most complex issues, and mentor junior engineers.

This position requires exceptional technical ability, strong communication skills, and the ability to work independently on high-level projects.


Primary Responsibilities

 

The successful candidate will be responsible for designing, implementing, administering, securing, and supporting enterprise Microsoft environments including:

Microsoft 365 Administration

 

  • Complete Microsoft 365 tenant administration
  • Tenant configuration and optimization
  • License management
  • Subscription management
  • Microsoft 365 architecture
  • Multi-tenant administration
  • Tenant-to-tenant migrations
  • Cross-tenant collaboration
  • Microsoft 365 security configuration
  • Compliance configuration
  • Service health monitoring
  • Microsoft roadmap planning
  • Identity lifecycle management
  • Microsoft Secure Score improvements
  • Microsoft Best Practice implementation

 

Microsoft Entra ID (Azure AD)

 

  • Identity management
  • Conditional Access Policies
  • Named Locations
  • Authentication Methods
  • Password Policies
  • Self-Service Password Reset
  • Identity Protection
  • Risk Policies
  • User Lifecycle
  • Dynamic Groups
  • Administrative Units
  • Access Packages
  • Entitlement Management
  • Privileged Identity Management (PIM)
  • Role Based Access Control (RBAC)
  • Administrative Roles
  • Cross Tenant Access
  • External Collaboration
  • B2B
  • B2C
  • Identity Governance

 

Microsoft Intune

 

  • Endpoint Management
  • Device Enrollment
  • Windows Autopilot
  • Compliance Policies
  • Configuration Profiles
  • Endpoint Security Policies
  • Disk Encryption
  • BitLocker Management
  • Application Deployment
  • Win32 Application Packaging
  • PowerShell Deployment
  • Device Restrictions
  • Update Rings
  • Feature Updates
  • Driver Updates
  • Remote Actions
  • Endpoint Analytics
  • Mobile Device Management
  • Mobile Application Management

 

Exchange Online

 

  • Exchange Administration
  • Mail Flow
  • Connectors
  • Transport Rules
  • Shared Mailboxes
  • Resource Mailboxes
  • Distribution Groups
  • Dynamic Distribution Groups
  • Mail Enabled Security Groups
  • Anti-Spam Policies
  • Anti-Malware Policies
  • SPF
  • DKIM
  • DMARC
  • Message Tracing
  • Retention Policies
  • Email Encryption
  • Exchange Online Protection
  • Hybrid Exchange
  • Exchange Migrations
  • SMTP Relay
  • Shared Calendars
  • Public Folders

 

SharePoint Online

 

  • Site Administration
  • Site Architecture
  • Permission Management
  • SharePoint Security
  • Document Libraries
  • Version Control
  • SharePoint Migrations
  • OneDrive Administration
  • Storage Management
  • External Sharing
  • Data Governance
  • SharePoint Automation


Microsoft Teams

 

  • Teams Administration
  • Teams Phone
  • Teams Voice
  • Auto Attendants
  • Call Queues
  • Teams Policies
  • Meeting Policies
  • Voice Routing
  • Teams Security
  • Teams Rooms
  • Teams Migration
  • Teams Governance

 

Microsoft Defender

 

Experience with:

  • Microsoft Defender XDR
  • Defender for Endpoint
  • Defender for Office 365
  • Defender for Identity
  • Defender for Cloud Apps
  • Microsoft Secure Score
  • Threat Analytics
  • Attack Simulation Training
  • Safe Links
  • Safe Attachments
  • Security Incident Investigation
  • Threat Hunting


Microsoft Purview

 

  • Data Loss Prevention
  • Information Protection
  • Retention Policies
  • Compliance Manager
  • eDiscovery
  • Insider Risk
  • Audit Logs
  • Information Governance
  • Records Management
  • Sensitivity Labels

 

Microsoft Sentinel

 

  • SIEM Administration
  • Log Analytics
  • Data Connectors
  • Analytics Rules
  • Workbooks
  • Incident Investigation
  • KQL Queries
  • Threat Detection
  • Automation Rules
  • Playbooks

Azure Administration

 

  • Azure Virtual Machines
  • Azure Storage
  • Azure Networking
  • Azure VPN
  • Azure Firewall
  • Azure Virtual Desktop
  • Azure Backup
  • Azure Site Recovery
  • Azure Resource Groups
  • Azure Subscriptions
  • Azure Monitoring
  • Azure Policy
  • Azure Security Center
  • Azure Key Vault
  • Azure DNS
  • Azure Application Gateway
  • Azure Bastion
  • Azure Load Balancers
  • Virtual Networks
  • Network Security Groups
  • Private Endpoints

 

Windows Server

 

Experience with:

  • Windows Server 2016–2025
  • Active Directory
  • Group Policy
  • DNS
  • DHCP
  • Certificate Services
  • Hyper-V
  • Failover Clustering
  • File Servers
  • DFS
  • Print Servers
  • Remote Desktop Services
  • Storage Spaces
  • IIS
  • Windows Updates
  • Server Hardening
  • PKI

 

Active Directory

 

  • Forest Design
  • Domain Administration
  • Trust Relationships
  • Organizational Units
  • Group Policy
  • Fine-Grained Password Policies
  • Replication
  • FSMO Roles
  • DNS Integration
  • Azure AD Connect
  • Hybrid Identity
  • User Provisioning
  • Security Groups
  • Delegation

PowerShell

 

Must have advanced PowerShell experience including:

  • Microsoft Graph
  • Exchange Online
  • Azure
  • Intune
  • Active Directory
  • Microsoft 365 Automation
  • Bulk User Management
  • Reporting
  • Automation Scripts
  • Scheduled Tasks
  • API Integration

 

Security Responsibilities

 

  • Zero Trust implementation
  • Multi-Factor Authentication
  • Conditional Access
  • Security Baselines
  • CIS Benchmarks
  • Microsoft Security Best Practices
  • Incident Response
  • Security Audits
  • Vulnerability Remediation
  • Secure Identity Design
  • Compliance Implementation
  • HIPAA security controls
  • Cybersecurity hardening

 

Migration Experience

 

Candidate should have extensive experience performing:

  • Microsoft 365 migrations
  • Google Workspace migrations
  • Exchange migrations
  • SharePoint migrations
  • OneDrive migrations
  • File server migrations
  • Tenant-to-tenant migrations
  • Active Directory migrations
  • Hybrid deployments

Required Skills

 

  • Expert knowledge of Microsoft 365
  • Expert knowledge of Azure
  • Expert knowledge of Entra ID
  • Expert knowledge of Intune
  • Expert knowledge of Exchange Online
  • Expert knowledge of Windows Server
  • Expert knowledge of Active Directory
  • Advanced networking knowledge
  • DNS expertise
  • VPN technologies
  • Microsoft Graph
  • PowerShell scripting
  • API integrations
  • Documentation skills
  • Project management skills
  • Excellent communication


Preferred Certifications

 

One or more of the following:

  • Microsoft Certified: Azure Solutions Architect Expert
  • Microsoft Certified: Cybersecurity Architect Expert
  • Microsoft Certified: Identity and Access Administrator Associate
  • Microsoft Certified: Endpoint Administrator Associate
  • Microsoft Certified: Azure Administrator Associate
  • Microsoft Certified: Security Operations Analyst Associate
  • Microsoft Certified: Messaging Administrator Associate
  • Microsoft Certified: Microsoft 365 Administrator Expert
  • Microsoft Certified Trainer (Preferred)


 

Experience Requirements

 

  • Minimum 7–10 years administering Microsoft enterprise environments
  • Experience managing multiple Microsoft 365 tenants
  • Experience supporting organizations with 100–5,000+ users
  • MSP experience is highly preferred
  • Healthcare/HIPAA experience is highly preferred
  • Experience designing enterprise Microsoft environments from the ground up

 

What Success Looks Like

 

The ideal candidate will:

  • Own all Microsoft technologies across our client base.
  • Design secure, scalable, and highly available Microsoft environments.
  • Resolve Level III escalations independently.
  • Lead complex migrations with minimal downtime.
  • Implement Microsoft security best practices.
  • Automate repetitive administrative tasks.
  • Mentor junior engineers.
  • Produce excellent documentation.
  • Continuously improve client environments through proactive recommendations.

 

About Integration Technologies

 

Integration Technologies is a full-service Managed IT Services provider specializing in healthcare and business technology solutions. We deliver enterprise-grade IT infrastructure, cybersecurity, Microsoft cloud services, networking, virtualization, VoIP, access control, surveillance systems, and strategic technology consulting. We are looking for professionals who take pride in delivering exceptional technical expertise and outstanding client service.

If you are passionate about Microsoft technologies, thrive on solving complex technical challenges, and want to work alongside a team that values technical excellence and continuous learning, we encourage you to apply.