Senior Engineer (L3)

Accountabilities:

• • Own escalated L3 technical tickets from assignment through complete resolution, taking responsibility for complex issues that cannot be resolved at lower support levels.
  • Diagnose and resolve advanced problems across Windows Server, Active Directory, Exchange, Microsoft 365, Entra ID, Azure/AWS, virtualization, networking, security, backup, and other infrastructure technologies.
  • Administer and troubleshoot Windows Server environments, Active Directory, Group Policy, DNS, DHCP, authentication, domains, permissions, Exchange, Microsoft 365, Teams, SharePoint, OneDrive, Intune, Conditional Access, and MFA.
  • Configure and troubleshoot enterprise networking technologies, including TCP/IP, VLANs, routing, switching, VPNs, DNS, firewalls, wireless networks, routers, and network-connected devices.
  • Support cloud, virtualization, and datacenter environments, including Azure, AWS, Hyper-V, VMware, Citrix, SQL Server, Veeam Backup & Replication, SANs, high-availability solutions, load balancing, and related infrastructure.
  • Support Fortinet and UniFi network environments, as well as endpoint security, EDR/XDR, managed security platforms, and other security technologies.
  • Troubleshoot connectivity and infrastructure issues across workstations, servers, networks, firewalls, ISPs, DNS, routing, VPNs, and wireless systems, identifying root causes and implementing effective solutions.
  • Safely execute basic PowerShell and command-line scripts and use technical expertise to investigate issues across interconnected systems.
  • Maintain detailed technical documentation covering troubleshooting steps, client communications, actions taken, root causes, resolutions, and relevant environment changes.
  • Communicate clearly with clients, end users, IT teams, Account Managers, leadership, and C-level stakeholders, providing accurate next steps, ETAs, and technical explanations.
  • Identify recurring technical problems and recommend improvements that reduce repeat incidents and strengthen service reliability.
  • Work independently while escalating appropriately when additional technical expertise or resources are required.
  • Participate in technical training, knowledge sharing, after-hours support, and on-call coverage for urgent or client-impacting issues as needed.

  Requirements:

  • Minimum 5 years of professional engineering or equivalent technical experience, including substantial hands-on experience supporting complex IT environments.
  • At least 5 years of experience with Active Directory, Microsoft Windows, Windows Server, and Microsoft 365.
  • At least 5 years of experience with network switching, VLANs, routing, firewalls, VPNs, backup and recovery, endpoint security, and related infrastructure.
  • Strong knowledge of Microsoft Windows, Windows Server, Active Directory, Exchange, Microsoft 365, and enterprise networking technologies.
  • Working knowledge of Microsoft Azure and/or Amazon AWS, Microsoft Entra ID, Conditional Access, MFA, Intune, and cloud identity management.
  • Working knowledge of SQL Server, Veeam Backup & Replication, Hyper-V, VMware, Citrix, virtualization, enterprise wireless, and datacenter technologies.
  • Familiarity with SSID management, WPA2/WPA3, VLAN integration, RADIUS authentication, endpoint protection, EDR/XDR, SOC operations, phishing, and threat management.
  • Ability to read, understand, and safely execute basic PowerShell and command-line scripts.
  • Experience troubleshooting complex, client-facing technical issues with strong analytical, critical-thinking, and problem-solving abilities.
  • MSP experience and exposure to multi-client environments is strongly preferred.
  • Experience with Fortinet, UniFi, Microsoft Intune, Citrix, ConnectWise Manage, IT Glue, or N-central is beneficial.
  • Relevant certifications such as Microsoft 365, Microsoft Azure, Fortinet, VMware VCP, CompTIA A+, Network+, Security+, or comparable industry certifications are advantageous.
  • Excellent written and verbal English communication skills, with the ability to explain technical matters clearly to both technical and non-technical stakeholders.
  • Strong ownership, accountability, teamwork, attention to detail, documentation, and customer-service skills.
  • Ability to work independently with limited supervision, manage multiple technical issues in a fast-paced environment, remain effective under pressure, and learn new technologies through self-study and hands-on experience.
  • Ability to work U.S. Eastern Time business hours and adapt to business needs, including occasional after-hours or on-call support.
  • Reliable computer running Windows 10 or newer, two monitors, stable high-speed internet, and a professional home workstation suitable for uninterrupted remote work.
  • Self-motivated, dependable, coachable, and interested in a long-term career opportunity.

  Benefits:

  • 100% remote work environment.
  • Full-time position with a 40-hour weekly schedule.
  • Compensation paid in USD.
  • Long-term career opportunity.
  • Opportunity to work with a broad range of enterprise infrastructure, cloud, networking, security, and Microsoft technologies.
  • Professional development and ongoing technical training opportunities.
  • Supportive work environment with potential for professional growth.
  • Flexibility to support business needs while working within U.S. Eastern Time business hours.