M365 Exchange Online Administrator

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like a mission you want to be a part of, keep reading! The Digital Modernization Sector is focused on delivering performance-based IT services and repeatable solutions to include applying cloud-factory and aaS (as a Service) capabilities and integrating commercial products to provide a comprehensive digital engineering approach to IT transformation. Candidates MUST be located in the United States for the current three consecutive years, be a US Citizen or US Person with the ability to obtain and maintain a Public Trust clearance, and reside in the Washington, D.C., Northern Virginia, or Maryland area. Key Responsibilities Leidos is seeking an experienced M365 Exchange Online Administrator (cloud) to join our Information Technology team. The ideal candidate will have deep expertise in managing and optimizing Exchange Online environments within GCC (Government Community Cloud) tenants, focusing on governance, security, compliance, and enhancing the organization's communication capabilities. Strategic Oversight Of Exchange Online Environment Lead the management and optimization of the Exchange Online environment to ensure reliable, secure, and efficient email communication across the organization. Develop and enforce policies for email retention, sensitivity labeling, and classification to comply with federal regulations and organizational standards. Oversee the implementation of email-related security measures, including threat protection, to safeguard against evolving cyber threats and ensure compliance with federal security standards. Governance And Compliance Management Ensure the Exchange Online environment meets all federal compliance requirements, particularly those related to GCC tenants, including security, retention, and data governance policies. Lead the integration of Microsoft Defender and Sentinel for comprehensive security monitoring and incident response, ensuring policies and automated response actions are aligned with organizational and regulatory requirements. Collaboration And Continuous Improvement Collaborate with cross-functional teams to align Exchange Online capabilities with organizational needs, driving improvements in email management, security, and user productivity. Stay current with updates and advancements in Exchange Online and related Microsoft 365 technologies, proactively implementing enhancements to improve service delivery and support organizational objectives. Monitoring And Performance Optimization Oversee the monitoring of email flow, usage patterns, and service health to proactively identify issues and opportunities for optimization. Ensure comprehensive documentation of system configurations, policies, procedures, and service records to support auditing, compliance, and future planning. Leadership And Mentorship Provide guidance and mentorship to junior IT staff, fostering a culture of continuous learning and professional development within the team. Act as a subject matter expert in Exchange Online administration, particularly in a federal agency context, to support strategic initiatives and organizational growth. Required Qualifications And Experience Bachelor’s degree in computer science, Information Technology, or a related field with a minimum of 12 years of relevant experience. Minimum of 5 years of hands-on experience in M365 administration. Strong understanding of M365 security and compliance capabilities. Excellent communication and collaboration skills. Required Certifications Possess one or more Microsoft 365 certifications. Desired Skills Expertise in managing M365 B2B collaboration and establishing trust relationships among multiple federal agencies. Experience with Multi-Tenant Organization (MTO). Proficiency in managing guest user access and secure external sharing within Exchange Online. Leidos offers a range of benefits, including Paid Time Off (PTO), eleven paid holidays per year, access to benefits on day one, ongoing training, and discounted Leidos stock purchase.

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