Senior Systems Engineer

Responsibilities Administer and support Microsoft 365 workloads, including Exchange Online/on-premises and Microsoft Teams Manage mail flow, mailboxes, distribution lists, Teams provisioning, channels, and voice/calling configuration Design, build, and maintain PowerShell scripts and Azure Logic Apps workflows for administration, provisioning, reporting, and operational automation Architect and maintain configuration standards for messaging and collaboration platforms Provide senior-level support for Active Directory, Exchange, Teams, and SharePoint, including account and license lifecycle management Monitor Microsoft 365 workload health, availability, and performance, and troubleshoot complex messaging and collaboration issues Develop and maintain operational and automation runbooks Evaluate and improve secure configuration, access governance, privileged account access, and mailbox permissions Evaluate emerging Microsoft 365 capabilities and automation tooling and recommend adoption Respond to complex infrastructure issues, including evenings and weekends as needed Mentor junior systems administrators and contribute to broader IT team development Perform other related duties as assigned Requirements Advanced knowledge and hands‑on experience administering Microsoft Exchange Online and Exchange Server, including mail flow, transport rules, and mailbox management Advanced knowledge and hands‑on experience administering Microsoft Teams, including Teams Phone/voice, meeting policies, and channel/tenant configuration Experience developing automation and scripting solutions using PowerShell and Azure Logic Apps Working knowledge of Microsoft Graph API and Power Platform, including Power Automate and Power Apps Knowledge and hands‑on experience with Microsoft Entra ID (Azure Active Directory), account and license lifecycle management, and conditional access Knowledge of Microsoft 365 and on‑premises platforms, including Windows Server, Active Directory, Exchange, Teams, and SharePoint Experience with Microsoft 365 security and compliance tooling, including Microsoft Defender, Purview, and Conditional Access Ability to evaluate messaging and collaboration environments for security and configuration risks Ability to prioritize and execute complex, multi‑stakeholder tasks in a high‑pressure environment Ability to research issues, standards, and products and recommend solutions Ability to develop and present training programs and workshops Knowledge and experience with ITIL processes, configuration management, and process documentation Excellent problem‑solving, oral, and written communication skills Ability to work across IT, Security, Legal, and Compliance stakeholders Ability to operate independently on ambiguous or evolving problems Ability to handle sensitive and confidential information securely Ability to work collaboratively and independently under pressure and tight deadlines Strong customer service orientation and ability to explain technical issues to non‑technical staff and attorneys Flexibility to provide after‑hours or on‑call support Bachelor's degree in Computer Science, Information Technology, or equivalent applicable experience 3–5+ years of experience administering Microsoft 365 workloads, including Exchange and Teams, in an enterprise environment, with PowerShell scripting or Logic Apps automation Exposure to Microsoft Graph API, Power Automate, or broader Microsoft 365 administration is strongly preferred Systems certification such as Microsoft 365 Certified: Messaging Administrator Associate, MCSE, or similar, or equivalent experience Automation certifications are a plus Core Competencies Demonstrates advanced expertise in administering Microsoft 365 workloads, including Exchange Online and Teams, with a strong focus on automation through PowerShell and Azure Logic Apps. Capable of evaluating security and configuration risks while providing senior‑level support and mentoring within IT teams. Highest-signal resume keywords Microsoft 365 Administration PowerShell Scripting Exchange Online Management Microsoft Teams Configuration Microsoft Entra ID Management ATS Optimization Keywords Hard Skills Microsoft Exchange Online Microsoft Teams PowerShell Azure Logic Apps Microsoft Graph API Windows Server Active Directory SharePoint Microsoft Defender ITIL Processes Soft Skills Problem‑Solving Communication Customer Service Orientation Collaboration Flexibility Certifications & Qualifications Microsoft 365 Certified: Messaging Administrator Associate MCSE Automation Certifications Industry Keywords Configuration Management Process Documentation Account Lifecycle Management Security Compliance Infrastructure Support Tools & Technologies Microsoft 365 Power Automate Microsoft Purview Conditional Access Automation Tooling #J-18808-Ljbffr Jobtailor