Senior Network Engineer: Multi-Vendor, VPN & Security

Vistance Networks; San Diego, Northern (CA, KY); Hybrid; USD 96,000 - 149,000; Full time

Job summary

Vistance Networks seeks an experienced Network Engineer to design, administer, and support secure network infrastructure across multiple facilities. You will manage a multi-vendor environment, troubleshoot VPN endpoints, and ensure uninterrupted connectivity for remote locations.

The role requires strong troubleshooting, documentation, and communication skills, with after-hours on-call rotation and potential travel to remote sites.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or a related field.
• 5+ years of experience supporting enterprise network environments.
• 5+ years of hands-on experience with switching, routing, firewalls, and VPN technologies.
• 3+ years of experience with load-balancing technologies.
• Experience supporting multi-vendor network infrastructure, including firewalls, switches, VPN appliances, and fiber/copper connectivity.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent written and verbal communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.
• Proven ability to create and maintain clear technical documentation.
• Ability to work independently in both remote and on-site environments.
• Availability for after-hours on-call support and occasional travel.

Responsibilities

• Manage and maintain a multi-vendor network environment, including SonicWall, Fortinet, Cisco, Ruckus, and Loadbalancer.org technologies.
• Administer and troubleshoot 100+ VPN endpoints to ensure secure, reliable connectivity across remote locations.
• Support customer-managed networks, including Layer 2 point-to-point circuits, routing, switching, and integrated network services.
• Respond to incidents, perform root cause analysis, implement corrective actions, and support planned maintenance.
• Monitor network availability and performance, proactively identifying and mitigating risks to maintain service reliability.

Skills

Network troubleshooting

Multi-vendor networks

Firewall tech

Routing & switching

Load balancing

Technical documentation

Communication skills

Independent work

After-hours support

Travel readiness

Education

Bachelor's degree in Computer Science or Computer Engineering

Tools

SonicWall

Fortinet

Cisco

Ruckus

Loadbalancer.org

Job description

Vistance Networks seeks an experienced Network Engineer to design, administer, and support secure network infrastructure across multiple facilities. You will manage a multi-vendor environment, troubleshoot VPN endpoints, and ensure uninterrupted connectivity for remote locations.

The role requires strong troubleshooting, documentation, and communication skills, with after-hours on-call rotation and potential travel to remote sites.