Senior Network Engineer/Senior Systems Architecture Engineer

iFlow Inc.; Palo Alto (CA); Hybrid; USD 150,000 - 210,000; Part time

Job summary

iFlow Inc. in Palo Alto, CA, is seeking a Senior Network Engineer/Senior Systems Architecture Engineer. The role is hybrid, 8–5, 6-month contract, with 7–15 years of experience in on‑premises network engineering and enterprise IT support.

Design, install, and maintain LAN/WAN hardware (Cisco Nexus 9K, FortiGate), manage security, and coordinate vendor VPNs. Troubleshoot complex issues, prioritize tickets, and collaborate with remote teams; extend to AWS hybrid networking via Transit Gateway and

Qualifications

• 7–15 years of relevant network engineering experience.
• Experience with on-premises LAN/WAN and Cisco/FortiGate hardware.
• Hybrid work environment in Palo Alto, CA.

Responsibilities

• Design, install, configure, and maintain LAN/WAN hardware and software.
• Manage network security using FortiGate and Cisco tools.
• Coordinate VPN tunnels with external vendors.
• Troubleshoot complex network and routing issues under pressure.
• Prioritize and respond to IT support requests by business impact.
• Collaborate with remote IT teams and business units.
• Proactively identify network optimizations and improvements.
• Support AWS hybrid networking with Transit Gateway and Route 53.

Skills

Network design

LAN/WAN engineering

Security engineering

Troubleshooting

Vendor liaison

Cloud networking

AWS networking

Tools

Cisco Nexus 9K

FortiGate

Cisco routers

Access points

Cisco ISE

DNA Center

AWS Transit Gateway

Route 53

CloudWatch

Job description

Job Title: Senior Network Engineer/Senior Systems Architecture Engineer

Worksite location: Palo Alto, CA

Working hours: Hybrid, 8-5

Duration:6 Months

Experience:7-15 Years

Job Description

Primary Focus: On-Premises Network Engineering & IT Support Lead

Network Hardware & Infrastructure: Design, organize, modify, install, configure, and maintain LAN/WAN network hardware and software including Cisco Nexus 9K switches, routers, access points, and FortiGate firewalls.

Enterprise Security & Wireless: Manage network security end-to-end utilizing FortiGate firewalls, Cisco equipment, and Cisco Wireless systems (including Cisco ISE and DNA Center setup and troubleshooting).

Vendor VPN & Site Connectivity: Dedicated to collaborating directly with external vendors to establish, test, and maintain secure VPN tunnels connecting vendor locations to RivianVWG facilities.

Troubleshooting & Diagnostics: Serve as an expert escalation point capable of troubleshooting, analyzing, and diagnosing complex hardware, software, and routing issues under pressure.

Support Request Prioritization: Analyze incoming support tickets and operational requests, prioritizing them effectively based on business impact and urgency.

Cross-Functional Relationship Building: Develop positive, productive working relationships with remote IT team members, internal business units, and functions involved in downstream technical processes.

Proactive Maintenance: Act as a true self-starter by actively seeking out impactful tasks, network optimizations, and continuous improvements during periods of low ticket volume.

Secondary Focus: AWS Hybrid Cloud Networking

Cloud Routing & Interconnects: Support hybrid routing between physical facility networks and AWS environments using AWS Transit Gateway.

Private Service Endpoints: Assist in deploying and maintaining AWS PrivateLink and Private VPC Endpoints to route sensitive vendor and facility traffic off the public internet.

Hybrid DNS: Support unified cross-environment DNS resolution between local facilities and AWS using Amazon Route 53 (Hosted Zones and Resolvers).

Network Observability: Basic usage of AWS Network Monitoring tools (VPC Flow Logs, CloudWatch Metrics, Transit Gateway Network Manager) to isolate cross-environment latency or connectivity bottlenecks.