Senior M365 Engineer

Leidos

Senior M365 Engineer in an ITIL environment focusing on DevOps and automation for Microsoft 365 services. Supporting the Microsoft 365 tenant and collaborating with various technical teams.

Posted 6/2/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $107,900 - $195,050 per yearWebsite

Tech Stack

Tools & technologies

AzureDNSPythonTCP/IP

About the role

Key responsibilities & impact

The successful candidate will work within an ITIL environment with a large focus on DevOps, automation, and sustaining engineering.
The candidate will be a member of the Microsoft 365 Engineering Team providing engineering support for the Microsoft 365 tenant and related services in a hybrid environment.
Priorities will include managing email, messaging, collaboration, meeting, and user-management services.
The candidate independently develops solutions, approaches, or makes recommendations to resolve a wide range of complex or difficult problems for both internal/external customers, including vendors.
Serve as a mentor for Junior Engineers.
The candidate may need to deliver presentations and produce well-written technical documents tailored to the customer’s environment and objectives.
Participation in scrum sprint activities related to Microsoft 365 engineering, automation, email, messaging, collaboration, meeting and user-management services, Entra, Intune, and hybrid solutions is required.
Additional responsibilities include troubleshooting and collaborating with other technical functional groups such as Service Desk, Datacomm, Security, Engineering Teams, Endpoint Management, Identity Management, and application teams for all supported technical issues.
Identify opportunities for improved user experience, service reliability, automation, and operational efficiency based on knowledge of existing solutions, current user technology, Microsoft 365 Roadmap and industry trends.
Understand requirements gathering, evaluation, testing, and lifecycle management for hardware & software.
Provide consultation on the design, plan, and execution Microsoft 365 workloads including Exchange Online, OneDrive, SharePoint Online, messaging and meeting systems, Entra, Intune, and related service integrations.
Maintain, troubleshoot, and enhance existing automation scripts, system health checks, reporting, and operational validation processes.

Requirements

What you’ll need

MINIMUM requirements to be considered for the position is a BS degree and 8+ years of prior relevant experience or Master with 6 years of prior relevant experience.
Must be able to obtain and maintain a Public Trust or higher security Clearance.
Experience with implementation and administration Microsoft 365 services including Exchange Online, SharePoint Online, OneDrive, Microsoft 365 Apps, Intune, Entra ID, and hybrid Microsoft 365 environments.
Experience with Microsoft 365 Security Services, Microsoft Defender capabilities, Conditional Access, identity protection, endpoint security, and secure service configuration.
Demonstrated Knowledge of Microsoft 365 support technology including but not limited to, Active Directory, DirSync, Entra Connect, Active Directory Federation Services (ADFS), Entra, Conditional Access Policies, MFA, PIM, application registrations, and hybrid identity services.
General Knowledge of Microsoft 365 service administration, Exchange Online mail flow, SharePoint Online, OneDrive, Intune, Entra, endpoint management, routing, and related security appliances or services.
Strong experience in PowerShell, Microsoft Graph, and scripting/programming languages such as C#, C++, Python, or related technologies to support administration, automation, reporting, system health checks, and operational validation of Active Directory and Microsoft 365 technologies including Exchange Online, SharePoint Online, OneDrive, Entra, Intune, and related services.
Strong understanding of standard client/server, networking, TCP/IP, and Internet fundamentals.
Strong knowledge of Microsoft Authentication Protocols, Modern Authentication, identity lifecycle, token-based authentication, and Conditional Access behavior
Proven experience with standard monitoring tools, scripting methodologies, practices, automation-based system or environment health checks, and maintaining existing operational automation.
Experience with Azure application registrations migrating apps from Basic Auth to Modern Auth and supporting application permissions, Graph permissions, certificates, secrets, and service principal lifecycle management
Strong Active Directory Group/User object manipulation, Entra user and group administration, dynamic groups, role assignments, and hybrid identity troubleshooting.
Working knowledge of Microsoft PKI, certificate-based authentication, device certificates, and certificate dependencies for Microsoft 365 and endpoint management services
Strong understanding of infrastructure services: DNS, WINS, DHCP and how they support hybrid Microsoft 365, identity, endpoint, and application services
Strong technical writing and presentation skills with ability to effectively communicate with all levels of customer organization (technical resources, management)

Benefits

Comp & perks

Health and Wellness programs
Income Protection
Paid Leave
Retirement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Microsoft 365Exchange OnlineSharePoint OnlineOneDriveIntuneEntraPowerShellC#C++Python

Soft Skills

mentoringtechnical writingpresentation skillsproblem-solvingcommunication

Certifications

BS degreeMaster's degreePublic Trust clearance