Senior Systems and Network Engineer

Job Title: Senior Systems and Network Engineer

Watch a quick 60-second video about this role: https://somup.com/cO6j2kVe7RH

About Us & The Role:
We’re a NYC based MSP. Our culture is built on care, innovation, integrity, and teamwork. We’re looking for a Senior Systems and Network Engineer with strong MSP experience to lead complex troubleshooting, manage advanced infrastructures, and drive improvements across networks, servers, and cloud environments. This is a full-time, hybrid role based in our New York City office and a long-term opportunity where your expertise will make a big impact.

What You’ll Do

• Lead advanced troubleshooting and root cause analysis on complex infrastructure issues
• Configure and manage firewalls, switches, VPNs, and wireless (SonicWall, Meraki, HP, or similar)
• Manage network security, including segmentation, IDS/IPS, and content filtering
• Administer and improve backup, disaster recovery, and business continuity solutions
• Manage Microsoft 365, Entra ID (Azure AD), and virtualization platforms (VMware, Hyper-V)
• Manage core Windows Server services: Active Directory, Group Policy, DNS, DHCP, and file services
• Secure user access with MFA, Conditional Access, SSO, and role-based access
• Manage and improve our MSP tool stack, including RMM, PSA, EDR, and MDR platforms
• Build automation and scripts (PowerShell or similar) to reduce manual work and improve operations
• Respond to critical alerts, outages, and escalations
• Take ownership of complex issues and drive them through to resolution
• Serve as the top escalation point and mentor junior engineers
• Write clear SOPs, runbooks, and network diagrams, and keep detailed ticket notes

Requirements

• 8+ years experience in MSP or enterprise IT role

• Expert-level knowledge of Microsoft 365 (Exchange Online, Entra ID, Intune, SharePoint, Teams)

• Strong experience with Windows Server, Active Directory, and Azure

• Advanced networking knowledge: firewalls, VLANs, routing, switching, VPNs, SD-WAN, and wireless

• Hands-on experience with backup and disaster recovery (Datto, Veeam, or similar)

• Strong background in virtualization (VMware vSphere/ESXi, Hyper-V), including clustering and high availability

• Experience with the full MSP stack: RMM, PSA, EDR, and MDR (Autotask, Datto RMM, ConnectWise, N-central, Auvik, SentinelOne, Huntress, or similar)

• Proven automation experience with PowerShell or other scripting tools

• Solid understanding of security best practices

• Some Linux experience is a plus

• Able to work independently, lead complex issues, and own them from start to finish

• Strong documentation skills and clear communication with technical and non-technical people

• Certifications such as CCNA, Microsoft, or firewall vendor certifications are a plus

We strongly encourage applicants to include a short introduction video, as it significantly strengthens your application.