Leidos Dig Mod Health IT division is seeking a skilled and collaborative M365 Engineer to support the HHS enterprise by managing all aspects of Microsoft 365 Government Community Cloud (GCC) Software as a Service (SAAS) offering. This position has roles from initial planning to implementation, as well as escalation and tier 3 support. The ideal candidate will excel in both technical problem-solving and effective communication, working seamlessly with cross-functional teams to ensure top-tier support and operational excellence. Candidate MUST: Be able to work onsite 1-2 days per week, locally available for on-site support in Rockville, MD, or Washington, DC. Be a US Citizen or US Person who has lived in the United States for at least three consecutive years and an active Public Trust clearance is preferred.