M365 Administrator Jr

Leidos • Rockville, MD • 8h ago

Description

Leidos Dig Mod Health IT division is seeking a skilled and collaborative M365 Administrator to provide proactive and scheduled monitoring of infrastructure and systems for a highly visible Information Technology (IT) services effort at the Health Human & Human Services (HHS) in Rockville, MD.

The Microsoft 365 Administrator will administer and maintain the M365 environment. The ideal candidate will be responsible for the administration, security, and continuous evolution of our Microsoft 365 (M365) ecosystem. This role requires not only deep technical expertise in Exchange Online and core M365 services but also a commitment to staying current with the rapidly changing platform, including its integration with Azure cloud services and emerging Artificial Intelligence (AI) capabilities. The candidate will also work with Engineering team to implement new technical projects.

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 have the ability to obtain a Public Trust level 4 clearance.

Responsibilities:

Manage and maintain the agency's Exchange Online environment, including mail flow, transport rules, message tracing, and mailbox management.

Troubleshoot complex email delivery and client connectivity issues.

Manage email archiving, retention policies, and eDiscovery/litigation hold requirements in compliance with federal records management standards.

Administer and support core M365 services, including OneDrive for Business, Microsoft Teams, and other Microsoft cloud apps.

Manage user identity and access through Microsoft Entra ID, including user provisioning and conditional access policies.

Stay current with the evolving M365 ecosystem by evaluating, testing, and implementing new features and services.

Assist in the integration of M365 services with broader Azure cloud services to enhance functionality and automation.

Develop and maintain PowerShell scripts to automate routine administrative tasks, user provisioning, and reporting.

Perform troubleshoot, repair, and escalate incidents and problems.

Execute preventive measures for proactive monitoring and recommend redundancy or self-healing capabilities to limit outages that impact service delivery.

Perform system or component configuration changes needed to support computing services.

Provide tier 2-3 support.

Implement solution deployment, changes and updates working within the HHS Change Management system.

Create and maintain comprehensive documentation for system configurations, SOPs, training, and disaster recovery plans.

Provide weekly status updates to HHS and Leidos management teams.

Basic Qualifications:

Bachelor's degree in Computer Science, Information Systems, or equivalent.

Experience with Microsoft 365 offerings, specifically with regards to Entra ID, Exchange Online, Intune, and security configurations.

MS Graph and PowerShell proficiency

Proficiency of Windows Active Directory, Entra ID Connect, ADFS, network and internet concepts.

Effective analytical, organizational, and problem resolution skills.

Work cross-functionally with different teams to support HHS mission objectives.

A proactive approach to learning and adapting to the constantly changing M365 ecosystem.

Desired Qualifications :

Power Platform experience

Experience working in an Azure environment for administration

Microsoft 365 Certified: Enterprise Administrator certification

Experience deploying or managing policies for M365 Copilot, Open AI, or other enterprise AI tools.

Experience managing and migrating from an on-premises Exchange hybrid environment to Exchange Online.

Understanding of email security protocols (SPF, DKIM, DMARC) and M365 security tools.

Prior experience working within or for a U.S. federal government agency.

Clearance Required:

Must be able to obtain and maintain a Public Trust throughout the course of employment.

At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."

If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.

Original Posting:

August 22, 2025

If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.

Pay Range:

Pay Range $55,250.00 - $99,875.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

REQNUMBER: R-00165152

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

Leidos

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