Principal Engineer - Network and Cloud Job at Carmax, Carmax, Plano, TX

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  • Carmax, Carmax
  • Plano, TX

Job Description

Salary: $99,000 - 139,000 per year Requirements:

  • Bachelors Degree in Computer Science, Decision Science, Engineering, Statistics, or a related field, or equivalent alternative education and practical experience preferred.
  • Over 7 years of professional experience in Network, Cloud Network, Network Security, and other relevant areas concerning Network/Cloud/Automation roles; multiple certifications are advantageous.
  • Proven experience in large, complex enterprise settings.
  • 7+ years of experience with enterprise routing, switching, firewalls, and wireless networks, with a preference for HPE Aruba and Fortinet knowledge.
  • 5+ years of experience designing, constructing, and managing network infrastructure within cloud platforms, preferably Azure.
  • Strong grasp of hybrid networking models connecting on-premise environments to public cloud platforms.
  • Familiarity with network automation and scripting languages such as Python, Ansible, or PowerShell.
  • Demonstrated ability to create and support highly available and resilient network architectures.
  • Experience in driving technical improvements or standards across various teams.
  • Hands-on experience in designing, implementing, and supporting Cisco Identity Services Engine (ISE) in enterprise settings.
  • Strong understanding of Network Access Control (NAC) principles and applications for wired, wireless, and device management scenarios.
  • Experience in configuring authentication and authorization policies within Cisco ISE.
  • Familiarity in implementing and maintaining TACACS+ for device administration and role-based access control.
  • Capability to serve as a technical expert in ISE and NAC, giving guidance to engineering teams and stakeholders.
  • Exceptional analytical and problem-solving skills, with a focus on resolving intricate technical issues.
  • Proficient communication skills, both written and verbal.
  • Capable of working autonomously while effectively collaborating with teams across various disciplines.
  • Detail-oriented with an emphasis on operational stability and security.
  • Eagerness for continuous improvement through automation and process optimization.
Responsibilities:
  • Provide senior technical leadership for enterprise networking and cloud networking platforms, ensuring reliability, scalability, and security.
  • Collaborate with technology leadership to support significant cross-organizational initiatives and tackle complex technical challenges.
  • Work closely with engineering, architecture, and product teams to design and implement network and identity solutions that meet business requirements.
  • Influence technical standards, patterns, and best practices across teams, focusing on security, automation, and operational efficiency.
  • Lead design and implementation projects for network access control (NAC) and identity-based network security solutions.
  • Mentor and support engineers through technical reviews, design discussions, and troubleshooting.
  • Participate in on-call rotation to assist with scheduled change windows and incident response for enterprise networks.
  • Exhibit high-level leadership abilities, steering the overarching vision of the organization.
  • Stay updated with industry trends in networking, cloud connectivity, automation, and identity services, applying relevant advancements when suitable.
Technologies:
  • Ansible
  • Aruba
  • Azure
  • Cloud
  • Cisco
  • Support
  • Network
  • PowerShell
  • Python
  • Security
  • Windows
  • DevOps

More:

We at CarMax are transforming and enhancing our technology platforms to ensure secure, dependable, and resilient digital experiences. As we seek a Principal Engineer within our Solutions Delivery and Engineering organization, we need an expert who can combine hands-on technical skills with architectural insight. You will collaborate with cross-functional teams to implement and evolve our network platforms. CarMax disrupted the auto industry with an honest and transparent buying experience and has grown to become the largest used car retailer in the U.S. Our incredible team of over 25,000 associates is committed to delivering exceptional customer experiences while fostering career development within our inclusive and diverse work culture. This role is based in either our Richmond Midtown Office or the Plano Tech hub, offering a hybrid work arrangement.

last updated 19 week of 2026

Job Tags

Full time, Work at office

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