Job Title: Sr. IT Infrastructure Engineer II
Duration: 6+ Months (Possible of extension)
Location: Aliso Viejo, CA

Description:

The Sr. IT Infrastructure Engineer II, Cloud serves as the senior technical owner for the organization's cloud infrastructure, identity platform, and Microsoft cloud ecosystem. This role is responsible for the architecture, implementation, optimization, security, and operational governance of Microsoft 365, Microsoft Entra ID, Azure-based services, and enterprise cloud infrastructure technologies. The position partners closely with Information Security, Infrastructure, Enterprise Applications, HRIS, and business stakeholders to deliver secure, scalable, highly available, and compliant cloud solutions that support business growth and operational excellence. The role operates with significant autonomy, leads enterprise cloud modernization initiatives, and establishes technical standards, governance frameworks, and automation capabilities that improve efficiency, security, and reliability across the technology environment.

Requirements:

RESPONSIBILITIES:

(Essential Functions and Associated Tasks for the Role)

• Architect, implement, administer, and continuously optimize Microsoft 365, Entra ID, Azure infrastructure services, and related cloud technologies.
• Lead cloud platform governance initiatives, including lifecycle management, operational standards, configuration management, and service adoption strategies.
• Design and maintain identity and access management solutions, including Conditional Access, Single Sign-On, Multi-Factor Authentication, Privileged Identity Management, and role-based access controls.
• Develop and support cloud infrastructure automation using PowerShell, Microsoft Graph API, Infrastructure as Code methodologies, and workflow automation platforms.
• Monitor cloud platform health, performance, capacity, availability, and operational metrics, implementing improvements to enhance service reliability.
• Partner with Cybersecurity teams to implement and maintain security controls, compliance requirements, threat protection capabilities, and audit-ready operating procedures.
• Lead migration, integration, and modernization projects involving cloud services, identity systems, enterprise applications, and infrastructure platforms.
• Provide Tier III escalation support for complex infrastructure, cloud, identity, and collaboration platform issues.
• Create and maintain technical documentation, architectural diagrams, operational procedures, governance standards, and support runbooks.
• Mentor engineers, administrators, and support teams while promoting best practices for cloud operations, automation, security, and continuous improvement.

WORK EXPERIENCE:

(Provide Experience, Knowledge, Skills & Abilities Required for the Role)

• 8+ years of experience supporting enterprise infrastructure and cloud platforms in complex, regulated environments.
• 5+ years of hands-on experience with Microsoft Azure, Microsoft Entra ID, and enterprise identity management technologies.
• Demonstrated ownership of cloud infrastructure strategy, governance programs, and multi-year platform roadmaps.
• Experience implementing enterprise security controls, compliance requirements, and access governance frameworks at scale.
• Proven success leading cloud transformation, modernization, or platform maturity initiatives across multiple technology domains.

Core Competencies

• Cloud Infrastructure & Enterprise Architecture: Azure, Microsoft 365, hybrid cloud, and scalable infrastructure design.
• Identity, Security & Compliance: Entra ID, Zero Trust, identity governance, access management, and regulatory compliance.
• Automation & Operational Excellence: Infrastructure automation, Infrastructure as Code (IaC), service reliability, and continuous improvement.
• Strategic Leadership & Execution: Technology roadmaps, infrastructure modernization, stakeholder partnership, and vendor management.
• Business Continuity & Risk Management: Disaster recovery, resiliency planning, risk mitigation, and audit readiness.
• Technical Leadership & Problem Solving: Mentorship, root cause analysis, complex troubleshooting, and technical decision-making.

EDUCATION:

Bachelor s degree in Information Technology, Computer Science, Engineering, or a related field; equivalent experience may be considered.

Relevant cloud, infrastructure, identity, or security certifications are highly preferred (Azure Administrator, Azure Solutions Architect, Microsoft Enterprise Administrator, or related certifications).

Preferred Certifications

• Microsoft Certified: Azure Solutions Architect Expert
• Microsoft Certified: Azure Administrator Associate
• Microsoft Certified: Identity and Access Administrator Associate
• Microsoft Certified: Enterprise Administrator Expert
• Microsoft Certified: Cybersecurity Architect Expert
• Certified Information Systems Security Professional (CISSP) preferred
• HashiCorp Terraform Associate preferred
• ITIL Foundation Certification preferred

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