Minimum of five (5) years of Tier II or three (3) years of Tier III Microsoft O365 support. 3+ years configuring and administering Microsoft 365 environments.
Skills
Microsoft 365 Administration
Azure Cloud Infrastructure
PowerShell Automation
Security Clearance (TS/SCI)
Migration Strategy
Identity and Access Management
Inside the role
Department
Information Technology
Role signal brief
The role, at a glance
Extracted from the source posting · 95% confidence
True Tandem is hiring a Senior O365 Engineer to manage enterprise-wide Microsoft cloud implementations and maintenance projects for U.S. federal government agencies. The role requires an active TS/SCI clearance with polygraph and focuses on configuring Microsoft 365 services, Azure infrastructure, and security tools. The position is based onsite in Reston, VA, with a salary range of $175k-$225k.
Compensation
USD 175,000–225,000 / year
What you need
Active TS/SCI security clearance with polygraph
Minimum of 5 years Tier II or 3 years Tier III Microsoft O365 support experience
3+ years configuring and administering Microsoft 365 environments
Hands-on experience with Azure deployments and identity design
Strong knowledge of Microsoft 365 services (Exchange, SharePoint, OneDrive, Teams)
Experience with Azure governance and security tools (Sentinel, Defender, identity protection)
What you will own
Configure and manage Microsoft Office 365 (O365) applications and services, including SharePoint, Teams, OneDrive, Exchange, and Outlook
Support migrations from on-premises systems to O365 and Azure
Plan, design, and implement identity solutions in Azure AD, ensuring secure synchronization and federation where required
Enhance security posture by configuring and managing Azure Sentinel, Defender, identity protection, and other security features
Implement and manage virtual environments for desktops and servers, including Azure Virtual Desktop (AVD) solutions
Review and enforce governance and policy compliance across Azure and O365 environments
Core skills
Microsoft 365 AdministrationAzure Cloud InfrastructurePowerShell AutomationSecurity Clearance (TS/SCI)Migration StrategyIdentity and Access Management
Company Description
TrueTandem's mission is to be a trusted information technology solutions provider, committed to the success of our customers, communities and employees. To enable this mission, we listen to our customers’ needs, empower our dedicated and talented employees, envision success together, and deliver innovative cost-effective solutions. For our customers, we aim to deliver more power to meet their business outcomes through technology implementation, integration, optimization and customization. We enable some of the most well-known companies, nonprofits and federal agencies in the United States to intelligently plan and develop their applications, modernize their infrastructure and manage their data.
TrueTandem is seeking an experienced, skilled, and passionate Senior O365 Engineer to support enterprise-wide Microsoft cloud implementation and maintenance projects for large U.S. Federal government agencies. Ideal candidates possess the technical depth, problem-solving ability, and curiosity to drive solutions across O365, Azure, and related Microsoft cloud services throughout their lifecycle.
Role and Responsibilities:
· Configure and manage Microsoft Office 365 (O365) applications and services, including SharePoint, Teams, OneDrive, Exchange, and Outlook.
· Support migrations from on-premises systems to O365 and Azure.
· Plan, design, and implement identity solutions in Azure AD, ensuring secure synchronization and federation where required.
· Enhance security posture by configuring and managing Azure Sentinel, Defender, identity protection, and other security features.
· Implement and manage virtual environments for desktops and servers, including Azure Virtual Desktop (AVD) solutions.
· Review and enforce governance and policy compliance across Azure and O365 environments.
· Automate administrative tasks with PowerShell, including leveraging reusable ISD solutions where applicable.
· Conduct application, workload, and data migrations (including Exchange and SharePoint).
· Ensure data protection through governance, Data Loss Prevention (DLP), and SharePoint security measures.
· Provide Ops Center support for Azure and O365 services as required
Required Skills
· An active TS/SCI with polygraph.
· Minimum of five (5) years of Tier II or three (3) years of Tier III Microsoft O365 support.
· 3+ years configuring and administering Microsoft 365 environments, including user management and security.
· Hands-on experience with Azure deployments, identity design, synchronization, and related networking elements.
· Strong knowledge of Microsoft 365 services (Exchange, SharePoint, OneDrive, Teams) and migration strategies.
· Proven experience with Azure governance, policies, and subscription management.
· Experience configuring and managing security tools (Sentinel, Defender, identity protection).
· Advanced proficiency scripting in PowerShell to automate O365 and Azure tasks.
· Excellent problem-solving skills and ability to diagnose and resolve issues across cloud services.
Preferred Skills
· Microsoft Administrator, Azure, or Security certifications.
· Experience with O365 automation and governance design.
· Understanding of networking concepts and their relation to O365 and Azure connectivity.
· Familiarity with workload/application migrations and hybrid cloud environments.
