Job Title

Senior Systems Engineer Microsoft 365 (Contract)Location: Melbourne (Hybrid minimum 2 days onsite)Contract Length: 8 months (extension likely)Start: End Jan / Early Feb preferredWe''re working with a large, wellestablished Australian technology organisation undergoing uplift across its Microsoft 365 and messaging platforms. This is a senior, projectfocused contract for a highly experienced Systems Engineer with deep expertise in Exchange Online, mail flow and M365 operations.This role suits someone who enjoys getting into complex environments, untangling legacy configurations, and leaving platforms in a better state than they found them.The OpportunityYou''ll join a core platform engineering function and take ownership of reviewing, cleaning up and improving a largescale Microsoft 365 mail environment. While there is some BAU, the focus is firmly on audit, optimisation and strategic improvement, with the opportunity to influence longerterm direction.You''ll work closely with engineering, security and notifications teams in a sharedownership model, requiring strong technical judgement and stakeholder engagement skills.Key ResponsibilitiesAudit and optimise Exchange Online mail flow architectureManage and troubleshoot SMTP relays, connectors and message trackingReview and uplift email security (SPF, DKIM, DMARC)Support Active Directory components including domain trusts, DNS integration and AD Certificate ServicesMonitor and report on Microsoft 365 service health, availability and performanceBuild PowerShell scripts for automated reporting, alerting and monitoringCreate dashboards, alerts and thresholds to proactively identify issuesCollaborate across multiple teams to suggest and implement platform improvementsWhat We''re Looking ForSeniorlevel experience as a Systems Engineer / M365 / Messaging EngineerStrong handson expertise with Exchange Online and mail flowSolid background in Active Directory, DNS and certificate servicesExperience with M365 monitoring, health reporting and securityConfident PowerShell scripting skills (reporting, alerting, automation)Comfortable working in complex, sharedownership enterprise environmentsMSP or systems integrator background highly regardedWhy This Role?Highimpact, handson technical workEnterprisescale environment with room to influence strategyCollaborative, pragmatic engineering cultureLong initial contract with strong likelihood of extensionHybrid working model based in MelbourneIf you''re a senior Microsoft 365 engineer who enjoys cleaning up, optimising and futureproofing messaging platforms, this is a standout contract opportunity.Candidates must have Australian Permanent Residency OR Citizenship to be considered.#J-18808-Ljbffr