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// POSTED: Apr 14, 2026

Microsoft 365 Enterprise Support Engineer - (10...

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Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Serco. Clicking "" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice. Position Description & Qualifications Serco Inc. is seeking a motivated Microsoft 365 (M365) Enterprise Support Engineer to join our IT support team - ( 100% remote ). The ideal candidate will assist in managing and troubleshooting M365 services, particularly SharePoint Online (SPO) and Power Platform, and provide end-user support for collaboration tools within the Microsoft ecosystem. The role will entail liaising with Microsoft, other technical teams and or 3rd Parties to address business needs. They will report into the Global M365 Tenant Services manager for governance and support.??Upon securing this role, the engineer will join a dynamic team to help lead the design, implementation, and support of M365 services and other collaborative tools on?a large enterprise scale. This position is contingent upon your ability to obtain/maintain a DoD Secret security clearance In This Role You Will • Provide second-line support for M365 applications, including Exchange, SharePoint, OneDrive for Business, Teams and M365 Groups. • Assist in the administration and troubleshooting of SPO, including site collections, permissions, and workflows. • Support users with document management, libraries, and SharePoint-based collaboration tools. • Work with senior engineers to implement changes, migrations, and enhancements in SharePoint and other M365 services. • Respond to and resolve M365-related technical issues via tickets, email, and phone. • Assist with user account management in Microsoft Entra ID (formerly Azure AD) and M365 Admin Center. • Works with partners/3rd parties and engineering teams to document how the technology is designed and deployed for the service, constantly working with internal and external teams to improve technical configurations and keep them up to date. • Provide basic training and guidance to users on SharePoint and M365 tools. • Stay updated with M365 updates and features to support continuous improvement. To Be Successful In This Role, You Will Have • US Citizenship • Ability to obtain/maintain DoD Secret security clearance • At least 3 years of progressive IT experience with at least 2years of Systems Administrationsupporting anM365environment with a strong understanding of how the M365 applications and services interact with each other. Basic understanding of SharePoint Online structure, permissions, lists, and libraries. • At least 2 years of experience in Power Platform Admin Center, Power Automate, PowerApps, Fabric and scripting (PowerShell) for M365. • Have?broad knowledge of M365 Commercial and US Government IT technologies such as, but not limited to, M365 Apps, M365 licenses, Active Directory, Azure (as it relates to M365), Email, Unified Communications, Networking, Windows Server,?Mobile device support-Intune, Security. • Knowledge of troubleshooting M365 applications and connectivity issues. • Experience with Microsoft Entra ID and user management is a plus. • Strong problem-solving and communication skills. • Ability to work independently and collaborate with a team. • A willingness to learn and grow in a fast-paced IT environment. • Experience managing service tickets to maintain SLAs and improve customer satisfaction. • Demonstrated skills?in writing technical documentation of the environment at an enterprise scale.? • Ability to travel up to 10% Additional Desired Experience And Skills • Microsoft 365 Fundamentals (MS-900) or SharePoint-related certifications (a plus). If you are interested in supporting and working with passionate Serco team- then submit your application now for immediate consideration. It only takes a few minutes and could change your career! Company Overview Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco's 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because e
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