Senior O365 Administrator

Job Locations US-MD-Bethesda

The O365 Administrator will manage, support, and optimize our GCC High Microsoft 365 environment in support of the FAA BNATCS contract. This role is responsible for ensuring the reliability, security, and performance of O365 applications and services, including Exchange Online, SharePoint Online, Teams, OneDrive, and related productivity tools. The O365 Administrator will collaborate with IT leadership and end-users to deliver seamless communication, collaboration, and productivity solutions across the organization.

Key Responsibilities-

Administration & Support

Manage and maintain Office 365 tenant, including user accounts, licenses, and groups.
• Provide Tier 2/3 support for O365-related issues, escalating when necessary.
• Monitor system health, performance, and usage metrics.

Collaboration Tools

• Configure and support Microsoft Teams, SharePoint Online, and OneDrive for Business.
• Assist with site creation, permissions management, and collaboration workflows.
• Enable integrations with third-party applications where appropriate.

Security & Compliance

• Implement and enforce O365 security policies, including MFA, conditional access, and data loss prevention.
• Monitor and respond to security alerts within the Microsoft 365 Security & Compliance Center.
• Ensure compliance with organizational and regulatory requirements.

Upgrades & Optimization

• Stay current with Microsoft 365 updates, features, and best practices.
• Recommend and implement improvements to enhance productivity and collaboration.
• Support migration projects (e.g., from on-premises Exchange to Exchange Online).

Documentation & Training

• Maintain accurate documentation of configurations, procedures, and troubleshooting steps.
• Provide training and guidance to end-users on O365 tools and features.
• Develop knowledge base articles and self-service resources.

This position is contingent upon Peraton award of the associated contract.

Required Qualifications

• Minimum of Bachelor's and 8 Years of Experience, Masters and 6 YoE, or PhD and 3 Years of experience administering Microsoft 365/O365 GCC High environments or similar relevent experience. Degree in Information Technology, Computer Science, or related major.
• Strong knowledge of Exchange Online, SharePoint Online, Teams, and OneDrive.
• Familiarity with PowerShell scripting for automation and administration.
• Understanding of identity and access management (Azure AD).
• Certifications such as Microsoft 365 Certified: Enterprise Administrator Expert or equivalent are a plus.
• Familiarity with NIST 800-53 requirements.
• US Citizenship with ability to obtain a Public Trust is a requirement for this role
• Although this is a remote role, you must reside in the DC/MD/VA local area.

Preferred Qualifications

• Excellent troubleshooting and problem-solving abilities.
• Strong communication and customer service skills.
• Ability to manage multiple priorities in a fast-paced environment.
• Experience with hybrid environments (on-premises cloud) is beneficial.
• Previous experience with FAA customer

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.