Senior Systems & Network Engineer

About the role Must currently reside in the Cleveland, Ohio area. This position is not remote and does not offer visa sponsorship. 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 Key ResponsibilitiesTechnical Leadership 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 Systems & Infrastructure Engineering Design, implement, and support Windows Server environments across client networks Manage virtualization platforms, including Hyper-V and VMware environments Support Microsoft 365 cloud services Networking Support firewall and switching platforms such as SonicWall, Cisco Meraki, and Ubiquiti Troubleshoot routing, switching, VPN, and connectivity issues Project Engineering Lead infrastructure projects including server deployments, migrations, network upgrades, and cloud integrations Work with vendors and manufacturers to troubleshoot issues and implement solutions Telephony Systems Assist with deployment and support of 3CX, Switchvox, Netsapiens, and Microsoft Teams Phone Documentation & Standards Maintain accurate documentation within our documentation platform Contribute to technical standards and best practices across client environments Technical ExperienceRequired 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 Preferred 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 Certifications (Preferred but Not Required) Microsoft certifications Cisco certifications SonicWall certifications Equivalent real-world experience is valued as highly as formal certifications. The Kind of Person We're Looking For We're looking for someone who takes pride in solving difficult problems and seeing technical work through to completion. The right candidate: Enjoys tackling complex technical challenges Takes ownership of issues instead of passing them along Mentors junior technicians and supports team development Works collaboratively and contributes to a positive team culture Communicates clearly with both technical staff and clients Is comfortable engaging vendor support and researching solutions when needed This role will play an important part in shaping the future of our service delivery organization. Work Environment This is an onsite role based in our Cleveland office. While most work is performed from the office, occasional travel to our Warren office and client locations will be required. Benefits Medical, Dental, and Vision insurance 401k plan Mileage reimbursement for travel to customer sites

Created: 2026-03-10