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.

Employment type
Full-Time

Work arrangement
No