Senior Infrastructure Engineer

Overview

Xantium is seeking a detail-oriented Senior Infrastructure Engineer to design, implement, and manage critical systems supporting core business functions. The successful candidate will be responsible for architecting secure and scalable solutions for email, messaging and mobile devices within Xantium’s Microsoft Azure/Entra ID and Microsoft 365 environments.Responsibilities

Providing expert support and collaborating with cross-functional teams to align IT solutions with business goals while staying up to date on latest technologiesMaintaining detailed documentation of system configurations and policiesDeveloping and enforcing identity and access management policies (SSO, MFA, conditional access)Securing mobile devices with Intune MDM, including policy configuration and complianceAutomating admin tasks using PowerShell and related scripting toolsTroubleshooting complex issues in authentication, messaging, and infrastructureLeading migrations and upgrades for identity and messaging systemsQualifications

Bachelor’s degree in Computer Science, IT, Engineering, or a related field5+ years experience with Azure/Entra ID, Exchange (on-prem and online), and Microsoft 365Proficiency in PowerShell and scripting automation; Python or Linux shell scripting a plusExperience with hybrid cloud and on-prem infrastructure; Citrix preferredStrong troubleshooting skills across authentication, messaging, and device managementKnowledge of identity and access management concepts including SSO, MFA, and conditional accessExcellent communication and collaboration skillsWillingness to participate in on-call rotation for escalated ..... full job details .....