Senior System Administrator
Tasks
- Administer Microsoft 365 services
- Administer Windows Server environments and Hyper V
- Administer enterprise networking infrastructure
- Collaborate with cybersecurity teams
- Configure Cisco Firepower and SonicWall firewalls
- Develop system documentation and configuration standards
- Follow change incident and problem management processes
- Implement automation solutions
- Lead troubleshooting and root cause analysis
- Manage Active Directory and related services
- Manage Aruba switching infrastructure
- Manage Azure subscriptions and identity services
- Manage enterprise wireless environments
- Mentor junior administrators
- Monitor system health and resolve issues
- Participate in disaster recovery and business continuity
- Perform patching upgrades and maintenance
- Provide advanced operational support
- Provision and manage SAN storage solutions
- Serve as escalation point for critical outages
- Support migrations upgrades and implementations
- Troubleshoot infrastructure alerts and incidents
Perks/Benefits
- N/A
Skills/Tech-stack
Access Points | Active Directory | Aruba Switching | Aruba Wireless | Automation | Automation Scripting | Azure | Business Continuity | Capacity Planning | Cisco Firepower | Conditional Access | Content Filtering | DHCP | DNS | Disaster Recovery | Entra ID | Exchange Online | Fibre Channel | Firewalls | Group Policy | Hyper-V | Incident Management | MPIO | Microsoft 365 | Microsoft Entra | Microsoft Entra ID | Microsoft Teams | NAT | Network Troubleshooting | Performance Monitoring | Powershell | Problem Management | SAN Storage | SharePoint | SonicWall | Switching | Threat prevention | Ubiquiti | VLAN | VPN | WAN | Windows server | Wireless Access Points | Wireless access | Wireless networking
Education
Bachelor of Arts | Bachelor of Engineering | Bachelor of Science
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