System Engineer - Microsoft Cloud & Infrastructure

CloudFirst Technology Solutions is an established Managed Services Provider (MSP) supporting businesses, nonprofit organizations, municipalities, and government agencies throughout New York. We help organizations modernize their technology environments through cloud platforms, cybersecurity solutions, infrastructure upgrades, and managed IT services.Our team focuses on Microsoft technologies, security-first solutions, infrastructure reliability, operational standards, and long-term client partnerships. We value technical excellence, documentation, continuous learning, and delivering exceptional client experiences.Position SummaryWe are seeking an experienced Systems Engineer to support a diverse portfolio of client environments spanning Microsoft 365, cloud technologies, network infrastructure, cybersecurity, and endpoint management.This role combines project implementation, advanced technical support, infrastructure deployment, and client-facing consulting. The ideal candidate enjoys working across multiple technologies and is comfortable supporting both cloud-based and on-premises environments.This position includes a combination of remote support, onsite client visits, project work, and technical escalation responsibilities.What You'll DoMicrosoft 365 & Cloud AdministrationManage and maintain Microsoft 365 environments.Support Microsoft Entra ID (Azure AD) and identity management.Deploy and administer Microsoft Intune.Configure and manage Microsoft Defender security solutions.Support Exchange Online, Teams, SharePoint Online, and OneDrive.Implement Conditional Access policies and security best practices.Manage user provisioning, deprovisioning, and lifecycle administration.Resolve Microsoft 365, authentication, and endpoint management issues.Network & Infrastructure SupportDeploy and support network security appliances, including Fortinet firewalls.Configure VPN connectivity and secure remote access solutions.Support switching and wireless infrastructure, including UniFi environments.Manage VLANs, network segmentation, and access controls.Troubleshoot connectivity, routing, wireless, VPN, and internet-related issues.Support Windows Server environments and associated services.Participate in infrastructure refresh and modernization projects.Assist with backup, disaster recovery, and business continuity initiatives.Technical Support & EscalationsAct as a Tier 2/Tier 3 escalation resource.Resolve technical issues for desktops, laptops, mobile devices, printers, and business applications.Perform onsite troubleshooting and project-related work when required.Provide technical recommendations and communicate effectively with clients.Assist with root-cause analysis and long-term corrective actions.Project DeliveryParticipate in Microsoft 365 deployments and migration projects.Support endpoint modernization initiatives.Assist with network upgrades, security improvements, and infrastructure rollouts.Validate project completion and provide post-deployment support.Contribute to security remediation and technology improvement initiatives.Documentation & Service ExcellenceMaintain complete and accurate documentation.Record work activities and time entries in ConnectWise Manage.Create technical documentation, diagrams, and knowledge-base articles.Follow established engineering standards and operating procedures.Contribute to operational improvements and service delivery excellence.Required QualificationsExperience4+ years supporting IT infrastructure in an MSP or multi-client environment.Experience working across multiple client environments simultaneously.Strong customer-facing communication and consulting skills.Experience performing onsite technical support and infrastructure deployments.Technical SkillsMicrosoft 365 administrationMicrosoft Entra ID (Azure AD)Microsoft IntuneMicrosoft DefenderWindows Server administrationWindows 10/11 supportFortinet or equivalent firewall technologiesManaged switching and wireless networkingTCP/IP, DNS, DHCP, VLANs, VPNsInfrastructure troubleshooting and diagnosticsConnectWise Manage or comparable PSA platform experiencePreferred QualificationsFortinet certificationsMicrosoft certifications (MS-102, AZ-104, MD-102, etc.)Azure administration experienceUniFi networking experiencePowerShell scripting knowledgeAuvik or other network monitoring platformsCybersecurity implementation experienceExperience supporting government, municipal, or regulated organizationsTravel RequirementsValid driver's license requiredReliable transportation requiredAbility to travel regularly throughout:New York CityWestchester CountyRye, NYHudson Valley regionWhat Success Looks LikeWithin your first 90 days, you will:Independently support assigned client environments.Demonstrate proficiency in Microsoft 365, Intune, Fortinet, and networking technologies.Participate in client-facing projects and infrastructure deployments.Maintain accurate documentation and service records.Build trusted relationships with both clients and internal teams.Contribute to technical standardization and process improvements.Why Join CloudFirst?Work with modern Microsoft cloud technologiesExposure to networking, security, and infrastructure projectsDiverse client environments and technical challengesCollaborative and supportive engineering cultureOngoing professional development opportunitiesCertification supportClear pathway toward senior engineering and leadership rolesCompetitive compensation and benefitsCloudFirst Technology Solutions is an Equal Opportunity Employer.