Sr Network Engineer (CCIE)

Xcelligen Inc.; Ventura (CA); On-site; USD 110,000 - 180,000; Full time

Job summary

Xcelligen Inc. is seeking a Senior Network Engineer on-site in Ventura, CA to lead a hospital-focused network modernization. Must have CCIE and hands-on work with Catalyst 9000, SD-Access, and ISE migration to SD-Access. Strong leadership and collaboration skills are essential.

The role involves migrating to Catalyst 9000 across campus and data center, designing scalable L2/L3 networks, and implementing automation with Ansible or Python while maintaining security best practices.

Qualifications

• CCIE certification required; hospital experience highly preferred.
• Experience in enterprise Cisco network design, deployment, and migration.
• Hands-on with Catalyst 9000, DNA Center, and SD-Access.
• Strong knowledge of L2/L3, VLANs, QoS.
• Automation experience with Ansible or Python a plus.
• Excellent troubleshooting, documentation, and communication.

Responsibilities

• Migrate legacy Cisco to Catalyst 9K across campus and data center.
• Design, configure, and deploy SD-Access for network access control.
• Perform network assessments, documentation, upgrade planning.
• Configure core, distribution, and access switching with routing protocols.
• Implement automation to streamline config and deployment.
• Troubleshoot LAN, WAN, and wireless issues.
• Collaborate with IT teams to minimize disruption during migrations.
• Maintain security and operational best practices.

Skills

Leadership

Network design

Troubleshooting

Documentation

Communication

Education

CCIE Certification

Tools

Cisco Catalyst 9000 series

Cisco DNA Center

SD-Access

Ansible

Python

Job description

Location: Ventura, CA , US - On-site required

Duration: 6 months (fixed)

Work Arrangement: On-site

US citizen - Green card - Green card-EAD - TN ONLY due to legal or government contract requirement.

Job Summary:

We are seeking a highly skilled Senior Network Engineer(MUST HAVE CCIE and Hospital Experience) with deep Cisco networking expertise to lead the modernization of our enterprise network. The role will focus on replacing legacy Cisco hardware with Catalyst 9000 series platforms and migrating from Cisco ISE to a Cisco SD-Access architecture. This position requires strong technical leadership, design expertise, and hands-on implementation skills.

Key Responsibilities:

• Lead the migration from legacy Cisco platforms to Catalyst 9K series switches across campus and data center environments.
• Design, configure, and deploy Cisco SD-Access to replace existing Cisco Identity Services Engine (ISE) for network access control.
• Perform detailed network assessments, documentation, and upgrade planning.
• Configure and optimize core, distribution, and access layer switching using advanced routing and switching protocols (OSPF, BGP, EIGRP, VLANs, VXLAN).
• Implement automation where possible to streamline configuration and deployment processes.
• Troubleshoot complex network issues across LAN, WAN, and wireless infrastructure.
• Collaborate with cross-functional IT teams to ensure minimal disruption during migrations.
• Maintain compliance with security and operational best practices. Qualifications:
• CCIE
• Proven experience in enterprise-level Cisco network design, deployment, and migration projects.
• Hands-on expertise with Cisco Catalyst 9000 series switches, Cisco DNA Center, and SD-Access.
• Strong understanding of Layer 2 and Layer 3 technologies, VLAN segmentation, and QoS policies.
• Experience with network security integration and access control policies.
• Familiarity with automation tools (Ansible, Python, etc.) a plus.
• Excellent troubleshooting, documentation, and communication skills. Preferred Experience:
• Large-scale network refresh or upgrade projects.
• SDN (Software Defined Networking) design and implementation.
• Integration with wireless, security, and cloud networking environments.