microsoft-defender jobs in San Diego

As a Microsoft 365 Security Senior Consultant at Deloitte, you will serve as a senior onshore engineer supporting clients with cloud cyber risk across M365 platforms including Entra ID, Exchange Online, Teams, SharePoint Online, and OneDrive. You will conduct security analysis, design and implement cloud-specific security policies, perform technical health checks, support proof-of-concept and production deployments, and act as a subject matter expert on Microsoft Defender, Sentinel, Purview, and Intune.…See more Responsibilities include configuration of MFA, conditional access, data loss prevention, identity management, and security incident response across multi-vendor network environments.

Senior Consultant supporting Deloitte's SOC with hands-on Microsoft Sentinel administration, KQL query development, and threat hunting. The role requires 8+ years of technology experience with at least 3 years in SIEM administration, specifically building and tuning analytics rules, developing detection logic, and managing the SIEM data model.…See more Responsibilities include operational support for Azure and Microsoft Defender portals, incident response guidance, and potential SOAR/automation work with Azure Logic Apps.

Senior PKI Engineer to integrate enterprise PKI with Palo Alto GlobalProtect Pre-Logon, enabling secure device authentication before Windows user login. Responsibilities include configuring certificate enrollment, renewal, revocation, and lifecycle management; managing device and machine identities via Active Directory and Microsoft Intune; supporting CRL/OCSP validation; troubleshooting certificate, authentication, and endpoint connectivity issues; and collaborating with security and networking teams.…See more Requires strong hands-on PKI experience in enterprise environments, deep knowledge of Microsoft AD CS, certificate lifecycle management, X.509 standards, and Windows enterprise infrastructure.

Senior Systems Engineer responsible for administering and securing a Microsoft-based infrastructure spanning Windows Server, Active Directory, Microsoft 365, Azure, and Hyper-V environments across multi-tenant deployments. Will manage Fortinet network infrastructure (FortiGate, FortiSwitch, FortiAP), identity/access through Entra ID, and security operations including incident investigation and compliance tracking.…See more Develop PowerShell and Microsoft Graph API automation to streamline administrative and monitoring tasks, and provide Tier 2/3 support for infrastructure issues. Requires 5+ years as a Windows systems administrator with hands-on experience in Microsoft cloud services, Fortinet firewalling, and enterprise networking.

Director-level hands-on technical leader responsible for designing, implementing, and operating enterprise infrastructure across AWS, Azure, and Microsoft 365 environments. Will personally architect and troubleshoot complex hybrid cloud, networking, identity, endpoint, and workplace solutions while leading infrastructure teams, managing vendors, budgets, and roadmaps.…See more Must establish engineering standards for Zero Trust, disaster recovery, and business continuity while partnering across security, application, data, and business teams. Requires 15+ years of progressive infrastructure and platform engineering experience, 7+ years leading technical teams, and deep expertise in AWS services, Microsoft 365 (Entra ID, Exchange, Teams, SharePoint, Intune, Defender), Azure, Infrastructure as Code, and automation.

Lead the design and implementation of advanced security capabilities within Microsoft Azure Government, with responsibility for Azure security architecture, Microsoft Sentinel, Defender, Azure Policy, identity, logging, DevSecOps, and Infrastructure as Code. Guide a small engineering team through technical workstreams that strengthen cloud security, modernize cyber operations, improve security telemetry, and advance continuous security assurance aligned with federal requirements.…See more Move fluidly between architecture and hands-on engineering to drive work from concept through operational adoption, including identifying configuration drift, automating response, and creating measurable evidence of security control effectiveness. Modernize security data and logging architectures to optimize telemetry collection and maintain visibility against sophisticated threats.

The Cybersecurity Analyst leads Bumble Bee's day-to-day cybersecurity operations, investigating and responding to security incidents, hunting threats, and tuning detection tooling. The role owns the full incident response lifecycle, manages vulnerability remediation, optimizes SIEM platforms, conducts security risk assessments for platforms and vendors, and maintains compliance through access control reviews and policy development.…See more The analyst builds incident response playbooks, monitors threat intelligence and CVE disclosures, and advises on third-party cyber risk. The position requires 4+ years of cybersecurity experience, proficiency with SIEM platforms, EDR tools, vulnerability management, MITRE ATT&CK framework, and knowledge of NIST, SOC, and ISO standards.

Senior Systems Engineer responsible for administering and securing a Microsoft-based infrastructure spanning Windows Server, Active Directory, Hyper-V, Azure, and Microsoft 365 across multi-tenant environments. Will manage Fortinet network and firewall infrastructure, implement identity and access controls through Entra ID and Intune, and develop PowerShell and Microsoft Graph API automation scripts.…See more Role includes proactive monitoring, security incident investigation, patch management, and Tier 2/3 support escalations. Requires 5+ years of Windows systems administration experience with demonstrated expertise in Microsoft cloud, Fortinet networking, and infrastructure automation.

Lead the design and implementation of advanced security capabilities within Microsoft Azure Government, driving technical workstreams across cloud security architecture, Microsoft Sentinel, Defender, Azure Policy, identity, logging, DevSecOps, and Infrastructure as Code. Modernize security data and logging architectures to collect appropriate telemetry, identify configuration drift, validate security controls, automate response, and create measurable evidence of security posture.…See more Guide a small engineering team from concept through operational adoption, balancing architecture-level strategy with hands-on engineering execution. This role requires 5+ years of Azure security experience, hands-on expertise with Sentinel, Defender, and Azure Monitor, and the ability to align solutions with federal security requirements.

The Cybersecurity Analyst owns Bumble Bee's day-to-day security operations, investigating and responding to incidents, hunting threats, and tuning detection tooling to close coverage gaps. Responsibilities include managing the full incident response lifecycle, optimizing SIEM platforms, conducting vulnerability assessments, performing access control audits, and building incident response playbooks and procedures.…See more The role requires 4+ years of cybersecurity experience, proficiency with SIEM platforms, EDR tools, vulnerability management platforms, and hands-on knowledge of Windows/Linux, networking, and the MITRE ATT&CK framework. Success demands both technical operations expertise and cross-functional collaboration to strengthen security posture, ensure compliance, and assess third-party cyber risk.

A senior technical architect role responsible for designing cloud and security solutions for multi-client MSP environments, conducting technical quality assurance across engineering teams, and establishing configuration standards and documentation. The role requires 5+ years of hands-on infrastructure/cloud/security/identity experience with deep expertise in Azure, Entra ID, and the Microsoft Defender/Security suite, plus demonstrated ownership-level depth across endpoint protection, RMM, network/firewall, and VDI platforms.…See more The architect will mentor junior engineers, sanity-check technical feasibility and scope, and validate Statements of Work before client delivery while owning the technical planning for complex multi-workstream projects.

Senior Systems Engineer responsible for designing, implementing, securing, and optimizing enterprise Microsoft 365 and Azure environments for government and commercial clients. You will architect and deploy M365 services (Exchange Online, SharePoint, Teams, Intune, Entra ID) and Azure infrastructure (VMs, networking, storage, AVD, monitoring), lead cloud migrations and hybrid identity configurations, and develop security baselines and Zero Trust policies.…See more The role requires advanced PowerShell scripting, Infrastructure-as-Code practices, troubleshooting complex identity and cloud issues, and mentoring junior engineers while collaborating with security teams and stakeholders.