Senior Systems & Network Engineer

infinIT.us•Cleveland, OH

4d•Onsite

About The Position

infinIT is seeking a Senior Systems & Network Engineer who enjoys solving complex technical problems and being the person others turn to when things get difficult. This role is designed for a highly capable infrastructure engineer who is strongest in Windows Server environments and comfortable working across networking, virtualization, and cloud technologies. You will serve as a senior technical resource within our Service Delivery team, leading escalations, supporting infrastructure projects, and mentoring other engineers. This position requires strong troubleshooting skills, ownership of technical challenges, and the ability to work through complex issues to completion. The Senior Systems & Network Engineer works closely with the Service Delivery Manager and helps strengthen the technical capabilities of the entire Service Delivery team through mentorship, guidance, and technical leadership. What Success Looks Like in This Role Complex infrastructure issues are resolved efficiently and thoroughly Infrastructure projects are planned and executed successfully Junior technicians grow through mentorship and technical guidance Client environments become more stable, secure, and well documented

Requirements

Strong expertise with Windows Server administration and troubleshooting
Experience supporting SMB network environments
Advanced troubleshooting across servers, networking, and infrastructure
Experience with Microsoft 365
Experience with Hyper-V and VMware virtualization

Nice To Haves

Experience supporting SonicWall, Cisco Meraki, or Ubiquiti networking
Experience supporting VoIP systems
Experience working in a Managed Services Provider (MSP) environment
Experience with Azure infrastructure
Experience with ConnectWise and DattoRMM is a plus
Microsoft certifications
Cisco certifications
SonicWall certifications
Equivalent real-world experience is valued as highly as formal certifications.

Responsibilities

Serve as the primary escalation point for complex systems and network issues
Perform advanced troubleshooting and root cause analysis across server, network, and virtualization environments
Take ownership of critical issues and ensure they are resolved completely
Design, implement, and support Windows Server environments across client networks
Manage virtualization platforms, including Hyper-V and VMware environments
Support Microsoft 365 cloud services
Support firewall and switching platforms such as SonicWall, Cisco Meraki, and Ubiquiti
Troubleshoot routing, switching, VPN, and connectivity issues
Lead infrastructure projects including server deployments, migrations, network upgrades, and cloud integrations
Work with vendors and manufacturers to troubleshoot issues and implement solutions
Assist with deployment and support of 3CX, Switchvox, Netsapiens, and Microsoft Teams Phone
Maintain accurate documentation within our documentation platform
Contribute to technical standards and best practices across client environments