Network Administrator

Job Description

Job Description

We are looking for a Network Administrator to support and maintain enterprise network operations for a part-time contract position that is onsite in Austin, Texas. This role focuses on keeping network infrastructure secure, reliable, and efficient while working with core Cisco environments and directory services. The ideal candidate brings hands-on experience with firewall administration, routing, and local area network support, along with the ability to resolve technical issues in a fast-paced setting.

Responsibilities:

• Oversee day-to-day performance and availability of network systems to ensure dependable connectivity across the organization.

• Configure, manage, and troubleshoot Cisco routers and related networking equipment to support stable operations.

• Administer firewall technologies by applying security policies, reviewing access controls, and responding to network threats.

• Maintain and support LAN environments, including monitoring traffic, identifying bottlenecks, and improving overall performance.

• Assist with Active Directory-related network access and authentication needs in coordination with internal IT teams.

• Investigate connectivity issues, perform root cause analysis, and implement timely resolutions to minimize downtime.

• Document network configurations, support procedures, and infrastructure changes to maintain accurate technical records.

• Proven experience working as a Network Administrator or in a similar network support role.
• Practical knowledge of firewall technologies and network security administration.
• Hands-on experience configuring and supporting Cisco routers and Cisco networking environments.
• Familiarity with Active Directory and its use in network access management.
• Understanding of LAN design, maintenance, and troubleshooting principles.
• Ability to diagnose technical issues quickly and communicate solutions clearly.
• Strong organizational skills with attention to documentation and operational accuracy.