Senior Enterprise Network Systems Administrator

s Advancio, Inc.; Downey (CA); On-site; USD 110,000 - 170,000; Full time

Job summary

Downey, CA-based Enterprise Network Systems Administrator (ENSA) role focusing on maintaining and securing enterprise network infrastructures. You will configure devices, monitor performance, and implement security controls across multiple platforms.

The ideal candidate will have 5+ years in enterprise networks, 3+ years as a Network Systems Administrator or similar, and 2+ years in security monitoring, with strong English communication.

Qualifications

• 5+ years of experience managing and supporting enterprise network environments.
• 3+ years in a Network Systems Administrator or similar role.
• 2+ years in security monitoring and cybersecurity operations.
• Experience with large-scale enterprise networks and Cisco technologies.
• Advanced English communication skills.

Responsibilities

• Administer, maintain, monitor, and secure enterprise network infrastructures.
• Configure network devices and implement security controls.
• Troubleshoot complex networking issues across multiple platforms.
• Collaborate with network engineering, IT operations, and security teams.
• Ensure availability and compliance with organizational standards.

Skills

Advanced English communication

Network administration

Network troubleshooting

Security monitoring

Tools

Cisco VoIP Call Manager

Cisco Nexus Switches

Enterprise Routers & Switches

Wireless Controllers & Access Points

VPN Technologies

McAfee MVISION

SecureWorks

NetScout nGenius

OpenNMS

CACTI

Elastic Search

SCOM

Wireshark

Job description

Downey, CA-based Enterprise Network Systems Administrator (ENSA) role focusing on maintaining and securing enterprise network infrastructures. You will configure devices, monitor performance, and implement security controls across multiple platforms.

The ideal candidate will have 5+ years in enterprise networks, 3+ years as a Network Systems Administrator or similar, and 2+ years in security monitoring, with strong English communication.