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Enterprise Holdings Engineer 3, Network in St. Louis, Missouri

Enterprise Holdings is powered by technology. As a diverse team of idea enablers and problem-solvers, our more than 2,000 innovative IT professionals design, develop and drive the tech that is redefining how customers rent, buy and share vehicles from our family of brands — which includes Alamo Rent A Car, Enterprise Rent-A-Car and National Car Rental.

Here, you will be part of a team that creates and delivers powerful solutions for more than 10,000 branch locations and 100,000 employees across the world with the resources and support to develop in a variety of career paths. Enterprise Holdings IT is a critical area of the business; we develop technical solutions that power our global operations and a fleet of 2 million vehicles, allowing our branch employees to exceed our customers’ expectations.

As an Engineer 3 you will design, develop and modify many different elements of technology. You will be required to understand advanced methods, theories and research techniques that establish ongoing direction and implementation of the technology vision and strategy. As an Engineer 3, we will be looking to you as a subject matter expert in multiple areas of technology that will represent your team in a positive manner within and outside of your department. You will be leading implementations and providing viable recommendations for implementing new solutions. You will be providing instruction and guidance to less senior team members on new tasks and assignments; ensuring deadlines are met. Daily activities will include collaborating with Architects and recommending adjustments to the architecture to improve the overall quality and integration. You will also be required to monitor key performance metrics to ensure compliance of established standards, processes, and procedures.

As an Engineer 3, Network you will be responsible for designing, implementing, and deploying state-of-the-art network security solutions across EHI’s multiple data centers that meet business needs. You will lead design discussions with a talented team of five other network engineers, as well as interface with engineers, architects, and information security professionals from across EHI’s IT organization. You will provide management with recommendations and proposals to resolve issues, explain solutions, establish technology roadmaps, and schedule work. You’ll represent your area of responsibility in technical discussions and presentations with other IT teams. You will also act as an escalation point for lesser experienced engineers, reviewing their work, guiding them in creating solutions, and introducing them to new technology concepts.

Equal Opportunity Employer/Disability/Veterans


  • Must be presently authorized to work in the U.S. without a requirement for work authorization sponsorship by our company for this position now or in the future

  • Bachelor's degree in Computer Science, Computer Information Systems, Management Information Systems, or related field

  • 5+ years of experience in IT infrastructure as a Network Security Engineer, or in a similar role

  • 2+ years of design and deployment experience with Palo Alto systems

  • If local, must be able to travel between St. Louis campuses

  • Strong organizational, analytical, and critical thinking skills that result in conclusive recommendations and decisions

  • Ability to work with a high degree of autonomy, integrity and accountability

  • Must be comfortable and effective at presenting to various audiences

  • Must have strong team work qualities with the ability to establish and maintain solid working relationships with peers, vendors, senior management, and other departments within IT

  • Must be detail oriented with strong problem solving and time management skills

  • Flexible schedule to accommodate after-hour implementation of system modifications and to respond to incident issues within your assigned area

  • Must be committed to incorporating security into all decisions and daily job responsibilities


  • Broad infrastructure domain knowledge (network, systems, storage, database, security, monitoring, data centers)

  • Scripting or other automation experience in an infrastructure environment

  • Familiar with Cisco ACI, F5, and Infoblox DDI products

  • Experience with packet capturing and protocol analysis (TCP, UDP, ICMP, packet dissection, etc.)

  • Experience working in Internet Firewall and DMZ environments

  • Experience with VPN technology

  • Experience in a large multi-tiered DNS and DHCP infrastructure

External Company URL: www.erac.com

Requisition Number: 2019-277998

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Enterprise Holdings/Enterprise Rent-A-Car/Alamo Rent A Car and National Car Rental seeks and values people of all backgrounds because every employee, customer and business partner is important. Enterprise Holdings is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity or protected veteran status and will not be discriminated against on the basis of disability. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use this alternative email address to contact us about your interest in employment.
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