Senior IT Systems Administrator: Windows, SQL & Network

Reef Industries Inc.; Houston (TX); On-site; USD 60,000 - 90,000; Full time

Job summary

Inteplast Group seeks an IT Administrator to maintain Windows Server 2019/11/10 and Ubuntu Server environments, manage SQL Server databases, and support M365 services including Entra ID Sync and Exchange.

The role covers SD-WAN, IP telephony, NAS, remote access, surveillance systems, and VLAN network administration, with a focus on reliability, security, and end-user support. Travel up to 10% may be required.

Qualifications

• Bachelor's degree in computer science, Information Technology, or related field, or equivalent combination of education
• 5+ years of progressive IT experience.
• Strong knowledge of Windows Server, Windows 11, and enterprise networking.
• Hands-on experience with SQL Server, M365 administration, and Entra ID Sync.
• Familiarity with SD-WAN, IP telephony, NAS, and remote access technologies.
• Experience with server hardware, Barracuda Backup, and IP-based surveillance systems.
• Proficiency in switch configuration, including VLAN setup.
• Development experience with PHP and MySQL.
• Excellent problem-solving skills and ability to work independently.
• Strong communication skills for effective end-user support.
• Ensure consistent, dependable attendance and demonstrate a willingness to accommodate non-standard work hours as necessary
• Capable of effectively managing job-related stress and fostering productive workplace interactions

Responsibilities

• Administer and maintain Windows Server 2019, Windows 11, Windows 10, and Ubuntu Server environments.
• Familiarity with endpoint management tools.
• Manage Microsoft 365, including Entra ID Sync, Intune, Exchange and related services.
• Provide user support for Office 365 applications, including Teams, Outlook, and Excel.
• Configure and support SQL Server databases.
• Develop and maintain web applications using PHP and MySQL and/or SQL Server.
• Oversee IP telephony systems and ensure seamless communication.
• Implement and maintain SD-WAN solutions for optimized network performance.
• Manage Remote Access Services with Multi-Factor Authentication (Duo).
• Support Remote Desktop Services for secure remote connectivity.
• Perform Dell server maintenance, firmware updates, and hardware lifecycle management.
• Administer existing Barracuda Backup solutions for data protection and disaster recovery.
• Evaluate cloud-based solutions for user productivity including but not limited to managed file transfer, cloud backup, and remote access.
• Maintain Network Attached Storage (NAS) systems.
• Oversee Surveillance Systems with IP Cameras for physical security integration.
• Configure and maintain Cisco and Netgear switches, including VLAN setup and network segmentation.
• Monitor system performance, troubleshoot issues, and ensure high availability.
• Collaborate with IT leadership on infrastructure improvements and security best practices.
• 10% travel or less may be required per month
• Perform other duties as requested by management

Skills

Windows Server

Windows 11

Windows 10

Ubuntu Server

SQL Server

M365 administration

Entra ID Sync

SD-WAN

IP telephony

NAS

remote access

server hardware

Barracuda Backup

IP-based surveillance

switch configuration

PHP

MySQL

problem-solving

end-user support

attendance and reliability

Education

Bachelor's degree in computer science, Information Technology, or related field

Tools

Barracuda Backup

Entra ID Sync

Intune

Exchange

Cisco switches

Netgear switches

Job description

Inteplast Group seeks an IT Administrator to maintain Windows Server 2019/11/10 and Ubuntu Server environments, manage SQL Server databases, and support M365 services including Entra ID Sync and Exchange.

The role covers SD-WAN, IP telephony, NAS, remote access, surveillance systems, and VLAN network administration, with a focus on reliability, security, and end-user support. Travel up to 10% may be required.