Senior Cloud Network Engineer

8117 - Dallas Technology Hub - 5830 Granite Parkway, Plano, Texas, 75024

CarMax, the way your career should be! 

About this job

At CarMax, we are industry disruptors. At the heart of our innovation is new digital products.  As an Operations team, our Senior Engineers research and discover new opportunities to ensure that our products which provide our seamless customer experience have a strong foundation.   You will iterate and evolve the cloud platform and applications used to manage the platform, and will develop tools and technologies, learning quickly from our spirit of experimentation.  You will have an impact on ensuring that our applications are reliable and resilient by using cloud concepts and technologies. Through a strong partnership with other engineers, you will contribute to the overall Carmax Strategy as we build and deliver an exceptional customer experience to ensure customers can buy the vehicles they want in a way that’s right for them!

Essential Responsibilities for Senior Network Engineer

Deliver on Business Priorities & Strengthen the Technology Foundation

• Design, implement, and support enterprise network solutions across data centers, cloud platforms, and retail locations to enable CarMax Infrastructure & Operations modernization, cybersecurity, and vulnerability‑management initiatives.
• Collaborate with peers in product management, systems architecture, cloud, and security to develop and deliver scalable, resilient network architectures with measurable business impact.
• Serve as a technical contributor on high‑visibility, cross‑functional projects, ensuring on‑time delivery, quality execution, and alignment to architectural standards.

Improve Execution Through Automation & Standardization

• Build and evolve self‑service capabilities, automation, and repeatable patterns for network device configuration, deployment, patching, and lifecycle management.
• Contribute to the design, implementation, and ongoing use of a network lab environment to test, validate, and continuously improve network solutions before production deployment.
• Actively eliminate repetitive manual work through network automation and scripting (e.g., Python, Ansible).

Elevate Monitoring, Reliability, and Operational Excellence

• Implement, enhance, and maintain network monitoring and visibility solutions to close capability gaps and provide actionable insights across all I&O systems.
• Improve remote management capabilities for field and retail locations.
• Participate in operational support, troubleshooting complex network issues, incident resolution, and continuous reliability improvements.
• Participate in the on-call rotation with the rest of the network team.

Operate Securely with Predictability and Cost Discipline

• Partner with cybersecurity teams to harden the network environment, reduce incidents, accelerate recovery, and eliminate unplanned downtime.
• Support CarMax I & O’s patching strategy, including evaluation, automation, scheduled deployments, and playbooks for out‑of‑band or day‑zero patches.
• Manage and coordinate with external vendors to ensure service quality, cost effectiveness, and alignment with CarMax standards.

Qualifications and Requirements

• Bachelor’s Degree in Computer Science or related technology field, or equivalent experience
• 5+ years of professional experience designing, deploying, and supporting enterprise networks

Required Technical Experience

• Fortinet / Cisco / Palo Alto firewall experience
• Aruba / Cisco switching experience
• Heavy project delivery experience in complex environments
• Advanced network troubleshooting and operational support
• Network monitoring and visibility tools (e.g., SolarWinds, LogicMonitor, WhatsUp Gold)
• Routing protocols: BGP, OSPF, EIGRP

Preferred Experience

• Cisco ISE or HPE ClearPass and Identity-Based Network Access Control
• Enterprise Wi‑Fi solutions
• External vendor management
• Network automation (Python, Ansible, or similar)

Cloud‑Specific Qualifications and Requirements

• Demonstrated experience with Azure services, including:
  • Virtual networking, Virtual Machines, Azure AD, Key Vaults, Web Apps, Access Management, and automated deployments

• 2+ years scripting or coding experience
• Hands‑on experience with:
  • Private and public cloud networking and connectivity
  • Virtual networking, firewalls, access control, storage, and virtualization

• Experience with one or more progr