IT- Systems Administrator

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Full Time Technical Bethesda, MD, US

7 days ago Requisition

Job Title:

IT System Administrator

We are seeking a senior-level IT System Administrator with 8–10 years of experience to support

and maintain our IT infrastructure. This role manages servers, networks, Microsoft 365, voice

systems, and network storage appliances while providing advanced technical support.

• Administer Windows servers, Active Directory, DNS, DHCP, and Group Policy.
• Support switches, firewalls, VPNs, and wireless networks.
• Configure and troubleshoot VoIP phones, call routing, and SIP/hosted voice systems.
• Maintain NAS/SAN storage appliances and shared drive environments.
• Manage Microsoft 365, Azure AD/Entra , Teams, and SharePoint.
• Provide Tier 3 support and handle complex technical escalations.
• Monitor backups, system performance, security patches, and updates.
• Maintain documentation, SOPs, and asset inventory.

• 8–10 years of experience in system/network administration.
• Strong expertise in Windows Server, Microsoft 365, and core networking.
• Hands‑on experience with VoIP systems and network storage appliances.
• Strong understanding of security best practices and patch management.
• Ability to work independently and manage multiple priorities.

• VMware/Hyper‑V experience
• Power Shell scripting
• Experience in compliance environments (NIST 800-171, CMMC)
• Certifications:
  
  Security+, Network+, Azure Administrator, CCNA, or similar

This role ensures stable IT operations, secure infrastructure, and advanced support across the

organization. Ideal for a seasoned administrator with broad hands‑on experience.