Microsoft System Engineer

Senior Systems Engineer (Remote)Location: Fully RemoteDepartment: Information TechnologyReports To: Senior Director of Systems EngineeringAbout the RoleWe are seeking a highly skilled Senior Systems Engineer to serve as the primary owner of our enterprise SaaS application portfolio while acting as a secondary administrator for our Microsoft 365 environment.This role is ideal for a systems generalist with strong expertise in SaaS administration, identity and access management, Microsoft 365, automation, and enterprise systems. You will be responsible for the full lifecycle of business-critical SaaS applications, ensuring secure integrations, operational excellence, and a seamless user experience across the organization.Key ResponsibilitiesSaaS Portfolio ManagementOwn and manage the lifecycle of enterprise SaaS applications, including evaluation, onboarding, configuration, administration, support, and retirement.Serve as the primary IT point of contact for new business application requests.Manage platforms such as Slack, Zoom, Jira, Confluence, FreshService, DocuSign, Dropbox, and other departmental tools.Maintain SaaS inventory, licensing, renewals, ownership records, and integration status.Drive application consolidation and decommissioning initiatives to reduce tool sprawl.Partner with business stakeholders to evaluate and govern new technology adoption.Identity & Access ManagementIntegrate SaaS applications with Microsoft Entra ID using SAML, OIDC, OAuth, and SCIM.Implement and maintain Single Sign-On (SSO) and automated user provisioning/deprovisioning.Manage application access controls, group assignments, and role mappings.Conduct regular audits of identity integrations and remediation activities.Troubleshoot and resolve identity-related issues across the application portfolio.Microsoft 365 AdministrationServe as a backup administrator for the Microsoft 365 environment.Support and administer Microsoft Entra ID, Exchange Online, SharePoint Online, Teams, Intune, Defender, and Purview.Assist with Microsoft 365 projects, operational support, and incident resolution.Automation & Systems OperationsDevelop and maintain automations using PowerShell, Microsoft Graph API, and low-code/iPaaS platforms.Monitor, troubleshoot, and optimize system performance and availability.Create and maintain technical documentation, standards, and operational runbooks.Networking & Infrastructure SupportSupport enterprise networking environments, including routing, switching, firewalls, DNS, and hybrid connectivity.Troubleshoot complex issues involving cloud, networking, identity, and integrated systems.Security, Compliance & GovernanceSupport security initiatives and compliance programs, including ISO 27001 and SOC 2 controls.Implement governance, access controls, and security best practices across enterprise applications.Partner with Information Security teams on audits, remediation efforts, and risk reduction initiatives.Advanced Support & LeadershipAct as a Tier 3 escalation resource for complex technical incidents.Perform root cause analysis and implement long-term solutions.Mentor junior engineers and contribute to operational excellence across the IT organization.Required Qualifications7+ years of Systems Engineering experience across cloud, networking, identity management, SaaS platforms, and automation.Strong hands-on experience with Microsoft 365 technologies, including Entra ID, Exchange Online, SharePoint Online, Teams, and Intune.Experience implementing and supporting SSO, SAML, OIDC, OAuth, and SCIM integrations.Proficiency with PowerShell scripting and Microsoft Graph API.Strong understanding of enterprise networking concepts, including routing, switching, firewalls, DNS, and hybrid environments.Experience supporting security and compliance frameworks such as ISO 27001 and/or SOC 2.Excellent troubleshooting, documentation, communication, and stakeholder management skills