Lead IT Systems Administrator
TMMG, Inc.
Date: 7 hours ago
City: Chesapeake, VA
Contract type: Full time
Description
Background check is a requirement of this position.
We are seeking a skilled and adaptable Lead Systems Administrator to support and manage core infrastructure systems, with an emphasis on Microsoft Exchange. This role requires a well-rounded IT professional who can manage email systems, networking, servers, and contribute to security and compliance initiatives. The ideal candidate will be comfortable working across multiple domains of IT, including user support, system administration, and infrastructure management.
Key Responsibilities
EMAIL & EXCHANGE ADMINISTRATION
Background check is a requirement of this position.
We are seeking a skilled and adaptable Lead Systems Administrator to support and manage core infrastructure systems, with an emphasis on Microsoft Exchange. This role requires a well-rounded IT professional who can manage email systems, networking, servers, and contribute to security and compliance initiatives. The ideal candidate will be comfortable working across multiple domains of IT, including user support, system administration, and infrastructure management.
Key Responsibilities
EMAIL & EXCHANGE ADMINISTRATION
- Manage Microsoft Exchange environments (on-premises and cloud).
- Administer shared mailboxes, distribution lists, and user accounts.
- Configure and troubleshoot email authentication protocols including SPF, DKIM, and DMARC.
- Apply and maintain security baselines across systems and user environments.
- Participate in the organization’s Security Committee to support compliance with government and industry regulations.
- Assist in implementing security controls and responding to audit or compliance requirements.
- Support and maintain Windows Server environments.
- Troubleshoot and manage routers, switches, and general network infrastructure.
- Monitor system performance and ensure reliability and up time of IT services.
- Assist with onboarding processes including laptop setup and configuration.
- Respond to and resolve general IT support tickets and user issues.
- Collaborate with other IT staff to ensure smooth operation of all systems.
- Hands-on experience with Microsoft Exchange.
- Strong understanding of email protocols and authentication standards (SPF, DKIM, DMARC).
- Familiarity with Windows Server and Active Directory.
- Working knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VLANs).
- Experience with implementing and maintaining security baselines.
- Ability to manage multiple tasks and prioritize effectively.
- Excellent problem-solving and communication skills.
- CompTIA Security+
- CompTIA Network+
- Microsoft Certified: Azure Fundamentals
- Microsoft 365 Certified: Fundamentals
- ITIL Foundation
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