Network Engineer III

Dollar Tree•Chesapeake, VA

About The Position

The Network Engineer III is a senior technical contributor responsible for the engineering, operations, and advanced troubleshooting of the company’s enterprise infrastructure. This individual serves as the highest level of engineering escalation and plays a key role in designing and implementing scalable, secure, and highly available network solutions across corporate offices, data centers, and cloud environments. The Network Engineer III partners closely with infrastructure, security, and cloud teams to support business operations and technology initiatives.

Requirements

Candidates must be authorized to work in the United States without the need for current or future visa sponsorship.
Bachelor’s degree in computer science, Information Technology, or related field
7+ years of experience in network engineering
Hands-on experience with: Routing & switching (BGP, OSPF, MPLS) Data center networking (leaf-spine, EVPN/VXLAN) WAN / SD-WAN architectures Network security, segmentation, and firewalls
Hands-on experience with: Cisco (ACI), Aruba Fortinet / Palo Alto F5 (load balancing) Infoblox (DNS/DHCP/IPAM)
Experience designing large-scale, multi-site or retail networks

Nice To Haves

Certifications such as (any of the following): Cisco professional certifications Palo Alto professional certifications Fortinet professional certifications Aruba professional certifications F5 professional certifications
Advanced troubleshooting skills
Ability to mentor junior engineers
Strong documentation and communication skills
Review and validate enterprise network diagrams and documents within 90 days
Participate in delivery of key transformation initiatives: Retail store network modernization Data center transformation
Reduce network-related incidents through improved support workflow
Improve cost efficiency via standardization and vendor optimization

Responsibilities

Network Engineering Design and implement enterprise network solutions across LAN, WAN, SD-WAN, and data center environments
Develop scalable architectures to support high availability, performance, and resiliency
Lead the deployment of routing, switching, and network security technologies
Serve as Tier 3 escalation for complex network incidents and outages
Perform deep packet and flow analysis and root cause investigations
Resolve issues related to routing, latency, connectivity, and network performance
Support operational teams with complex network troubleshooting
Participate in major incident response and post-incident reviews
Assist with capacity planning and performance optimization
Lead upgrades and modernization projects such as: SD-WAN deployments Network segmentation initiatives Cloud network integration Data center network upgrades
Maintain architecture diagrams and technical documentation
Establish configuration standards and best practices
Support change management and operational procedures
Partner with: Security teams on segmentation, compliance, and risk management Cloud teams on hybrid and multi-cloud networking Application teams to ensure performance, scalability, and reliability
Translate business requirements into scalable technical solutions
Maintain architecture documentation, diagrams, and runbooks
Participate in governance forums (CAB, architecture review boards)
Identify opportunities to improve: Network resiliency and performance Operational simplicity and automation
Lead proof-of-concepts (POCs) and pilot programs

Benefits

Here, you’ll have the opportunity to connect with people every day — creating memorable experiences for our customers while also building a career that can take you anywhere.
Join our team and see where your journey can take you.
We're invested in your health and wellness. That’s why we invest in perks, programs, and resources that help you at every stage of your life and career.

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