Network Engineer

MetroSys is seeking a skilled Network Engineer to support a fast-paced enterprise environment in San Francisco. This role requires a hands-on professional who can manage day-to-day network operations while also contributing to infrastructure improvements, troubleshooting efforts, and project-based initiatives.

The ideal candidate has strong Cisco experience, thrives in onsite environments, and is comfortable working directly with internal stakeholders to maintain high availability and performance across the network infrastructure.

• Administer and support enterprise network infrastructure including switching, routing, and wireless systems.

• Configure and troubleshoot Cisco switches, routers, firewalls, and wireless controllers.

• Perform VLAN configuration, port provisioning, firmware upgrades, and patch management.

• Monitor network performance and resolve latency, connectivity, or stability issues.

• Support network refreshes, hardware lifecycle replacements, and expansion projects.

• Collaborate with security and infrastructure teams to maintain compliance and secure network design.

• Participate in change management processes and document configurations and updates.

• Provide onsite support for escalations and critical incidents as needed.

• 5+ years of hands-on network engineering experience in enterprise environments.

• Strong experience with Cisco networking equipment (Catalyst, Nexus, or similar).

• Solid understanding of TCP/IP, VLANs, STP, routing protocols (OSPF, BGP), and wireless networking.

• Experience with firewall administration and basic network security principles.

• Ability to work onsite full-time in San Francisco.

• Strong troubleshooting and documentation skills.

• CCNP certification (preferred), CCNA required or equivalent experience.

• Experience in high-availability or high-density user environments.

• Familiarity with network monitoring tools and performance analytics platforms.

• Exposure to cloud networking (Azure or AWS) is a plus.

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