Senior Azure & Microsoft Cloud Infrastructure AdministratorJob Summary
The Senior Azure & Microsoft Cloud Infrastructure Administrator is responsible for designing, deploying, securing, and operating enterprise Microsoft cloud infrastructure across Azure and Microsoft 365 environments. This role manages large-scale server environments running in Azure, administers Active Directory domain services, supports enterprise messaging platforms, and manages Microsoft Cloud PC environments.
The position plays a key role in implementing automation, security governance, monitoring, and cost optimization across the organization’s Microsoft cloud platforms while ensuring high availability, operational excellence, and compliance with enterprise security standards.
Key ResponsibilitiesAzure Infrastructure Administration
- Deploy, configure, and maintain enterprise infrastructure running in Microsoft Azure.
- Manage Azure Virtual Machines, storage accounts, virtual networks, load balancers, and application gateways.
- Design highly available and scalable infrastructure using Availability Zones and Availability Sets.
- Manage server lifecycle including provisioning, configuration, scaling, patching, and retirement.
- Implement infrastructure best practices aligned with Microsoft cloud architecture frameworks.
Azure Networking Administration
- Manage complex Azure network environments including:
- Multiple Virtual Networks (VNets) across environments
- Segmented subnet architecture for application tiers
- Private endpoints and service endpoints
- VPN Gateway and ExpressRoute hybrid connectivity
- Configure and manage Network Security Groups (NSGs) and firewall policies.
- Troubleshoot routing, DNS, connectivity, and latency issues across hybrid environments.
Identity, Domain Controller & Active Directory Administration
- Administer Active Directory Domain Services (AD DS) and enterprise domain controllers.
- Manage Group Policy Objects (GPOs), OU structures, domain trusts, and authentication policies.
- Ensure directory replication health and domain reliability.
- Integrate on-premises identity infrastructure with Microsoft Entra ID (formerly Azure Active Directory).
- Implement identity governance and role-based access control policies.
Microsoft 365 & Email Administration
- Administer enterprise email and collaboration services within Microsoft 365.
- Manage messaging infrastructure using Microsoft Exchange Online.
- Configure and maintain:
- Mailboxes
- Shared mailboxes
- Distribution lists
- Mail flow policies
- Implement advanced email security features including:
- Threat protection
- Anti-phishing policies
- Data loss prevention (DLP)
Microsoft Cloud PC and Endpoint Management
- Deploy and manage enterprise cloud desktops using Windows 365.
- Configure provisioning policies, performance monitoring, and lifecycle management of Cloud PCs.
- Manage endpoint security and device compliance using Microsoft Intune.
- Implement device management policies for remote and hybrid work environments.
Security & Zero Trust Architecture
- Implement enterprise Zero Trust security architecture across identity, devices, applications, and networks.
- Configure Conditional Access policies and identity protection within Microsoft Entra ID.
- Implement security monitoring and threat detection using Microsoft Defender for Cloud.
- Manage vulnerability scanning and remediation for Azure servers and workloads.
- Enforce security compliance and governance policies.
Automation & Infrastructure as Code
- Develop automation using PowerShell, Azure CLI, ARM templates, Bicep, and Terraform.
- Automate infrastructure provisioning, patching, monitoring, and operational workflows.
- Implement Infrastructure as Code (IaC) standards for repeatable deployments.
Monitoring & Observability
- Implement monitoring using Azure Monitor and Log Analytics.
- Configure alerts, dashboards, and telemetry to monitor system health.
- Analyze logs to detect anomalies and proactively prevent outages.
- Maintain service reliability through proactive monitoring.
Patch Management & Remediation
- Manage OS and security updates using Azure Update Management.
- Ensure timely deployment of critical patches and security updates.
- Investigate alerts and perform root cause analysis.
- Execute remediation actions to maintain secure infrastructure.
Backup, Disaster Recovery & Business Continuity
- Implement backup strategies using Azure Backup.
- Design disaster recovery solutions using Azure Site Recovery.
- Perform periodic DR testing and validation.
- Ensure compliance with business continuity policies.
Cloud Governance & Cost Optimization
- Implement Azure governance frameworks including:
- Resource tagging standards
- Azure policies
- Role-based access control (RBAC)
- Monitor cloud spending and implement cost optimization strategies.
- Provide recommendations for resource rightsizing and reserved capacity planning.
- Maintain compliance with enterprise cloud governance standards.
Incident Management & Operational Support
- Respond to infrastructure incidents and service disruptions.
- Conduct root cause analysis and implement long-term solutions.
- Collaborate with security, networking, and application teams to resolve complex issues.
Documentation & Operational Excellence
- Maintain detailed documentation for infrastructure architecture and operational procedures.
- Develop runbooks and standard operating procedures.
- Mentor junior administrators and contribute to operational improvement initiatives.
Environment Size / Infrastructure Scope
This role supports a large enterprise Microsoft cloud environment, including:
- 50+ Azure Virtual Machines
- Multiple Azure subscriptions and resource groups
- 10+ Azure Virtual Networks
- 30+ Subnets
- Hybrid Active Directory domains with multiple domain controllers
- Enterprise Microsoft 365 tenant supporting corporate email
- Windows 365 Cloud PC deployment for remote workforce
- Hybrid connectivity between on-premises datacenters and Azure
- Enterprise monitoring and security platforms
Required Qualifications
- Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
- 5+ years of infrastructure and Windows Server administration experience.
- 5+ years of hands-on experience managing Azure enterprise environments.
- Strong experience with PowerShell automation.
- Experience managing Active Directory, Microsoft 365, and hybrid identity environments.
- Experience with enterprise monitoring, security, and governance frameworks.
Preferred Certifications
- Microsoft Certified: Azure Administrator Associate
- Microsoft Certified: Azure Solutions Architect Expert
- Microsoft 365 Certified: Enterprise Administrator Expert
Core Skills
- Azure Infrastructure Architecture
- Enterprise Cloud Security
- Active Directory & Hybrid Identity
- Microsoft 365 Administration
- Windows 365 Cloud PC Management
- Infrastructure Automation
- Zero Trust Security
- Monitoring & Incident Response
- Cloud Governance & Cost Optimization
- Disaster Recovery & Business Continuity
Job Type: Full-time
Pay: $20,000.00 - $30,000.00 per month
Work Location: Remote
