Job Information
Robert Half Sr Network Engineer in Jacksonville, Florida
Description
We’re looking for a Network Engineer with deep ISP / service‑provider experience to help design, build, and operate carrier‑grade networks. This role focuses on scale, resilience, and last‑mile delivery, not traditional enterprise LAN/WAN environments.
You’ll work on routing, peering, IP strategy, and access‑network delivery supporting MDUs and fiber‑based services.
What You’ll Be Responsible For
Design, build, and maintain carrier‑grade ISP networks
Architect and operate BGP routing, peering, and traffic engineering
Support Layer 2 delivery and last‑mile network services for MDUs, FTTB, and similar deployments
Implement and manage CGNAT, IP addressing strategy, and IPv4 → IPv6 transition
Configure, troubleshoot, and optimize high‑availability routing and switching environments
Work with engineering, deployment, and field teams to deliver reliable customer services
Troubleshoot network performance issues at scale (latency, congestion, routing anomalies)
Requirements
Required Experience & Skills
ISP / Service Provider background
Built or architected carrier‑grade networks (not enterprise‑only)
Strong BGP expertise
Hands‑on experience with:
BGP design
Peering relationships
Traffic engineering
Last‑mile & access network experience
MDUs, FTTB, or similar service delivery models
CGNAT & IP strategy
NAT design and operation
IPv4 address management
IPv6 implementation and migration
Carrier‑grade hardware
Hands‑on experience with one or more:
Juniper Networks
Nokia
Calix
Nice to Have
ISP backbone or regional network experience
Experience supporting growth environments or new market launches
Familiarity with operational monitoring and network performance tooling
Who This Role Is For
This role is ideal for engineers who:
Have worked in
ISP, fiber, or carrier environments
Enjoy network scale and complexity
Understand how networks behave under real customer load
Want to design and operate infrastructure—not just maintain it
Technology Doesn't Change the World, People Do.®
Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
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