Description
We are looking for a Network Administrator to support and maintain critical network infrastructure for a utilities and infrastructure environment in Chino, California. This Long-term Contract position focuses on ensuring secure, reliable connectivity across LAN and Cisco-based network environments while supporting day-to-day administration and troubleshooting. The ideal candidate will bring strong hands-on experience with firewall technologies, Cisco routers, Active Directory, and core networking operations in a fast-paced technical setting.
Responsibilities:
Administer and support Cisco-based network infrastructure to maintain stable and secure connectivity across the organization.
Configure, monitor, and troubleshoot firewall platforms to protect network assets and enforce security policies.
Manage Cisco routers and related network components, resolving performance issues and maintaining optimal uptime.
Oversee local area network operations, including connectivity, performance monitoring, and issue resolution for end users and systems.
Support Active Directory-related network access and authentication needs in coordination with broader IT operations.
Investigate network incidents, identify root causes, and implement corrective actions to reduce recurring disruptions.
Maintain network documentation, diagrams, and configuration records to support operational consistency and compliance.
Collaborate with internal teams on infrastructure updates, enhancements, and any network-related transition activities as needed.
Requirements
Hands-on experience administering enterprise network environments with a focus on Cisco networking technologies.
Strong working knowledge of firewall technologies, including configuration, monitoring, and troubleshooting.
Proven ability to support and maintain Cisco routers in a production environment.
Experience working with Active Directory in relation to network access, authentication, or user support.
Solid understanding of LAN administration, network protocols, and connectivity troubleshooting.
Ability to diagnose technical issues methodically and communicate resolutions clearly to stakeholders.
Experience maintaining accurate technical documentation for network configurations and support activities.
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Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
- Dice Id: rhalfint
- Position Id: 00500-0013425415
- Posted 3 hours ago