Senior Systems Administrator — In-Office, MS 365 Expert

Ellin & Tucker, Chartered; Baltimore (MD); Hybrid; USD 85,000 - 100,000; Full time

Benefits offered by this job

Health insurance

PTO and holidays

Life and disability insurance

401(k) Profit-Sharing with Roth option

Parking

Job summary

Ellin & Tucker, Chartered is seeking an experienced Systems Administrator to manage our on‑prem IT infrastructure, with a strong focus on Microsoft 365. The role reports to the IT Manager and requires in‑office presence a minimum of four days per week, with a hybrid option possible in the future.

You will install, configure, and maintain servers and networks; oversee Exchange Online, SharePoint, Teams, and Intune; monitor performance; implement backups and disaster recovery; enforce security

Qualifications

• 5+ years of experience in systems administration or related IT roles.
• Strong hands-on experience with Microsoft 365 tenant administration.
• Proficiency in Windows Server, Active Directory, and networking fundamentals.
• Knowledge of virtualization technologies (e.g., VMware, Hyper-V) is a plus.
• Familiarity with cybersecurity protocols and compliance standards.
• Excellent problem-solving skills and ability to work independently.
• Strong communication and documentation skills.

Responsibilities

• Install, configure, and maintain servers, networks, and related systems.
• Manage and administer Microsoft 365 Business environment, including Exchange Online, SharePoint, Teams, Intune and security settings.
• Monitor system performance and troubleshoot issues to ensure high availability and reliability.
• Implement and maintain backup and disaster recovery solutions.
• Apply security best practices and ensure compliance with organizational policies.
• Collaborate with IT team to support end-users and resolve technical issues promptly.
• Utilize ticketing system to manage and track IT support requests (primarily Tier 2 but Tier 1 as needed).
• Document system configurations, processes, and procedures.
• Work collaboratively with Managed Service Provider (MSP) on projects and ongoing support activities.

Skills

Microsoft 365 admin

Windows Server

Active Directory

Networking fundamentals

PowerShell scripting

Azure

VMware

Hyper-V

Cybersecurity

Documentation

Communication

Tools

Exchange Online

SharePoint

Teams

Intune

MSP collaboration

Job description

Ellin & Tucker, Chartered is seeking an experienced Systems Administrator to manage our on‑prem IT infrastructure, with a strong focus on Microsoft 365. The role reports to the IT Manager and requires in‑office presence a minimum of four days per week, with a hybrid option possible in the future.

You will install, configure, and maintain servers and networks; oversee Exchange Online, SharePoint, Teams, and Intune; monitor performance; implement backups and disaster recovery; enforce security