Network Administrator

Job Title: Network Administrator

Location: 1201 Brazos Street, Austin, TX 78701

Work mode: Onsite

Job Summary

The Network Administrator is responsible for installing, configuring, maintaining, and supporting the organization s network infrastructure, including local area networks (LANs), wide area networks (WANs), wireless networks, and Internet systems. This position ensures network availability, performance, and security by monitoring, maintaining, and troubleshooting network hardware, software, and related systems.

Key Responsibilities

• Administer and manage Windows Server environments (2012 or later) within an Active Directory domain.
• Manage Microsoft 365 services including user provisioning, mailbox administration, Teams, and SharePoint support.
• Configure and support TCP/IP core services including LDAP, DHCP, DNS, and SMTP.
• Manage access control lists, Group Policy Objects (GPOs), file and print services, and automation platforms.
• Provide operational support for VOIP-based phone systems and imaging/document management systems.
• Install, configure, and maintain Cisco networking hardware including routers, switches, firewalls, and VPNs.
• Administer Meraki wireless infrastructure and support LAN/WAN infrastructure, wireless access points, and telecommunications systems.
• Monitor network performance and health using tools such as PRTG, MRGT, and ManageEngine; troubleshoot and resolve issues to minimize downtime.
• Maintain network support software; perform hardware and software updates and upgrades.
• Prepare documentation for audits, compliance, and internal reporting.
• Perform tuning and capacity planning to enhance network performance and scalability.
• Coordinate the development, implementation, and maintenance of network security measures.
• Provide user training and technical support as needed; prepare and deliver training courses on network utilities and systems.
• Assist with evaluating new or upgraded hardware/software and report on potential benefits and risks.

Other Requirements

• Weekly progress reports of work completed and current priorities.
• Timely response and resolution of incidents and requests
• Maintenance of up-to-date system and network documentation
• Status updates on identified risks, challenges, and upcoming maintenance activities
• Criminal history check required of successful candidate
• Must complete the required IT Security training; certificate of completion must be provided to TSLAC
• May include occasional after-hours support for scheduled maintenance or urgent incidents