System Engineer - Active Directory M365 and Azure

Role Description

• Design, deploy, configure, and maintain enterprise Windows Server infrastructure across physical and virtual environments.
• Administer VMware vSphere (ESXi, vCenter, vSAN) and/or Microsoft Hyper-V environments, including HA, DRS, clustering, vMotion, and capacity management.
• Manage server lifecycle activities including provisioning, patching, upgrades, maintenance, and decommissioning.
• Monitor infrastructure health, system performance, storage utilization, and capacity planning to ensure maximum availability.
• Support enterprise storage platforms (SAN/NAS), storage replication, snapshots, and backup integration.
• Troubleshoot infrastructure, operating system, storage, and virtualization issues while minimizing business impact. Microsoft Azure & Hybrid Cloud
• Design, deploy, and manage Microsoft Azure infrastructure services, including: + Virtual Machines + Virtual Networks + Storage Accounts + Load Balancers + Azure Backup + Azure Site Recovery (ASR)
• Support cloud migration initiatives and hybrid infrastructure deployments.
• Administer Microsoft Entra ID (Azure AD), including: + User and group management + App registrations + Enterprise Applications + Service Principals + RBAC assignments + Administrative consent
• Maintain hybrid identity using Azure AD Connect.
• Monitor Azure resources using Azure Monitor, Log Analytics, and native monitoring tools. Microsoft 365 & Collaboration Services
• Administer Microsoft 365 services including: + Exchange Online + Microsoft Teams + SharePoint Online + OneDrive
• Manage licensing, service health monitoring, and tenant administration.
• Support Microsoft Exchange (On-Premises and Hybrid), including: + Mailboxes + Mail flow + Transport Rules + Connectors + Hybrid Configuration
• Assist users and application teams with Microsoft 365 and collaboration platform issues. Messaging Security
• Administer Proofpoint Email Protection, including: + Security policies + Spam filtering + Threat intelligence + Quarantine management + Reporting
• Maintain email authentication standards including SPF, DKIM, and DMARC.
• Collaborate with security teams to investigate phishing attempts, malware campaigns, and email-related security incidents. Automation & Infrastructure as Code
• Develop automation solutions using PowerShell, Azure CLI, and Terraform.
• Automate infrastructure provisioning, configuration management, and routine administrative tasks.
• Support Infrastructure-as-Code (IaC) initiatives and CI/CD integration where applicable.
• Create and maintain technical documentation, architecture diagrams, SOPs, and operational runbooks. Operations & Support
• Serve as a Tier 3 escalation point for complex infrastructure incidents and service requests.
• Perform root cause analysis (RCA) and implement permanent corrective actions.
• Participate in infrastructure upgrades, disaster recovery testing, and business continuity planning.
• Collaborate with cross-functional teams, vendors, and stakeholders to deliver secure and scalable infrastructure solutions.
• Participate in an on-call rotation to provide support for business-critical systems outside normal business hours.

Required Qualifications Education

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent practical experience.

Experience

• 5+ years of experience in Systems Engineering, Infrastructure Administration, or Platform Engineering.
• Strong experience managing hybrid infrastructure consisting of on-premises and Microsoft Azure environments.
• Hands-on experience administering enterprise virtualization platforms.
• Experience supporting Microsoft 365 enterprise environments.
• Experience implementing enterprise backup and disaster recovery solutions. Technical Skills Operating Systems
• Windows Server 2016/2019/2022/2025
• Linux administration (RHEL, Ubuntu preferred) Virtualization
• VMware vSphere
• ESXi
• vCenter
• vSAN
• Microsoft Hyper-V Microsoft Azure
• Azure Virtual Machines
• Virtual Networks
• Azure Storage
• Azure Backup
• Azure Site Recovery
• Azure Monitor
• Log Analytics
• Hybrid Networking Identity Management
• Microsoft Entra ID
• Azure AD Connect
• Active Directory
• Group Policy
• RBAC
• App Registrations
• Service Principals Microsoft 365
• Exchange Online
• Exchange Hybrid
• Microsoft Teams
• SharePoint Online
• OneDrive
• Microsoft 365 Administration Storage & Backup
• SAN/NAS Administration
• Storage Replication
• Snapshot Management
• Veeam
• Azure Site Recovery
• Backup & Disaster Recovery Networking
• TCP/IP
• DNS
• DHCP
• VLANs
• Routing & Switching Fundamentals
• Firewall Fundamentals Automation
• PowerShell
• Azure CLI
• Terraform Monitoring
• Azure Monitor
• SCOM
• SolarWinds
• Datadog
• Log Analytics Security
• Proofpoint Email Protection
• SPF
• DKIM
• DMARC
• Microsoft Defender (preferred)

Preferred Qualifications

• Experience with Exchange Server 2016/2019 administration.
• Experience supporting hybrid Exchange environments.
• Hands-on experience with Proofpoint Email Protection.
• Familiarity with ITIL processes and ServiceNow.
• Experience with Infrastructure as Code (Terraform/Bicep). -

Skills azure,microsoft azure,vmware vsphere,azure active directory,office 365 tools,