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 programming/scripting languages such as PowerShell, Python, or C#
- Experience building and managing CI/CD pipelines (e.g., Azure DevOps, TeamCity)
- Strong diagnostic, problem‑investigation, and attention‑to‑detail skills
- Passion for automation, reliability, and continuous improvement
Work Location and Arrangement: This role will be based out of the Richmond Corp Office or Plano Tech hub and have a Hybrid work arrangement.
- Associates based in Richmond work on-site 4 days per week.
- Associates based in Plano work onsite 2 days per week.
Work Authorization: Applicants must be currently authorized to work in the United States on a full-time basis. Sponsorship will not be considered for this specific role.
About CarMax
CarMax disrupted the auto industry by delivering the honest, transparent and high-integrity experience customers want and deserve. This innovative thinking around the way cars are bought and sold has helped us become the nation’s largest retailer of used cars, with over 250 locations nationwide.
Our amazing team of more than 25,000 associates work together to deliver iconic customer experiences. Along the way, we help every associate grow their career and achieve their best, at work and in their community. We are recognized for our commitment to training and diversity and are one of the FORTUNE 100 Best Companies to Work For®.
Our Commitment to Diversity and Inclusion:
CarMax is committed to bringing together people from different backgrounds and perspectives, providing employees with a safe, welcoming, and inclusive work environment.
CarMax is an equal opportunity employer, and all qualified candidates will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, protected veteran status, disability status, or any other characteristic protected by law.
Upon an applicant's request, CarMax will consider reasonable accommodation to complete the CarMax Job Application.