[Remote] M365 Platform Engineer

Note: The job is a remote job and is open to candidates in USA. Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. The M365 Platform Engineer will provide Tier-3 engineering support for Microsoft 365 environments, ensuring platform availability, performance, and security while managing enterprise email and messaging services.

Responsibilities

• Provide Tier‑3 engineering support for Microsoft 365 GCC, Exchange Online, hybrid Exchange Server, and SharePoint Online environments, ensuring platform availability, performance, and security
• Manage, monitor, restore, and optimize enterprise email and messaging services, including mailbox services, transport, retention, and e‑discovery capabilities
• Support SharePoint Online platform operations, including site collections, permissions, integrations, and collaboration workloads aligned with enterprise messaging services
• Plan, test, execute, and support upgrades, patches, and migrations across cloud and hybrid environments while minimizing user impact and service disruption
• Perform break‑fix restoration, root cause analysis, and complex incident resolution in coordination with incident management and cybersecurity teams
• Support the segregation and elimination of malicious software and spam traffic in accordance with security policies and directives
• Develop and maintain technical documentation, standard operating procedures, and platform diagrams

Skills

• Ability to obtain and maintain a Public Trust is required
• Must be a U.S. Citizen without dual citizenship
• Bachelor's degree in Information Technology, Computer Science, or a related field or equivalent years of relevant experience
• Microsoft 365 Certified: Enterprise Administrator Associate or equivalent Microsoft cloud certification
• ITIL Foundation (or equivalent ITSM experience)
• 5+ years supporting Microsoft enterprise collaboration platforms, including Microsoft 365, Exchange, and/or SharePoint in cloud or hybrid environments
• Demonstrated experience administering Microsoft 365 (Government or Commercial) environments, including Exchange Online and hybrid Exchange Server, supporting large enterprise user populations (10,000+ users)
• Hands‑on experience providing Tier‑3 engineering support, including complex incident resolution, root cause analysis, service restoration, and execution of approved changes in production cloud and hybrid environments
• Experience administering SharePoint Online, including site collections, permissions, governance controls, and integration with Microsoft 365 collaboration services
• Experience planning and executing upgrades, patches, and migrations for enterprise messaging and collaboration platforms
• Working knowledge of email security and malware mitigation, including spam filtering, malicious content isolation, and alignment with cybersecurity policies and NIST SP 800‑53 controls
• Possession of a Microsoft cloud certification (e.g., Microsoft 365 or Azure Administrator) and ability to obtain and maintain a Public Trust (or higher) clearance
• Hands‑on experience with Microsoft 365 GCC or other regulated government cloud environments
• Experience supporting large‑scale hybrid Exchange deployments
• Strong understanding of email security, spam filtering, and malware mitigation
• Experience with SharePoint Online administration and integration with Teams and Exchange
• Familiarity with ServiceNow or similar ITSM platforms
• Experience operating in a 24x7x365 enterprise operations environment

Benefits

• Health insurance coverage
• Life and disability insurance
• A retirement savings plan
• Paid holidays
• Paid time off
• Short- and long-term incentives
• Program-specific awards
• Reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment

Company Overview