Network Engineer III

Network Engineer III

Candidates must be authorized to work in the United States without the need for current or future visa sponsorship.

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.

Key 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

Advanced Troubleshooting

• 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

Network Operations Support

• Support operational teams with complex network troubleshooting
• Participate in major incident response and post-incident reviews
• Assist with capacity planning and performance optimization

Infrastructure Modernization

• Lead upgrades and modernization projects such as:
• SD-WAN deployments
• Network segmentation initiatives
• Cloud network integration
• Data center network upgrades

Documentation & Standards

• Maintain architecture diagrams and technical documentation
• Establish configuration standards and best practices
• Support change management and operational procedures

Cross-Functional Collaboration

• 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

Governance & Standards

• Maintain architecture documentation, diagrams, and runbooks
• Participate in governance forums (CAB, architecture review boards)

Innovation & Continuous Improvement

• Identify opportunities to improve:
• Network resiliency and performance
• Operational simplicity and automation
• Lead proof-of-concepts (POCs) and pilot programs

Required Qualifications

• 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

Preferred Qualifications

• Certifications such as (any of the following):
• Cisco professional certifications
• Palo Alto professional certifications
• Fortinet professional certifications
• Aruba professional certifications
• F5 professional certifications

Key Competencies

• Advanced troubleshooting skills
• Ability to mentor junior engineers
• Strong documentation and communication skills

Success Metrics

• 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

Family Dollar is an equal opportunity employer and committed to recruiting, hiring, training, and promoting qualified people of all backgrounds, and make all employment decisions without regard to any protected status. We are committed to complying with the Americans with Disabilities Act (ADA) and providing reasonable accommodations to qualified individuals with disabilities.