Principal Engineer - Systems

Overview

Enterprise Mobility is a leading provider of mobility solutions, owning and operating the Enterprise Rent-A-Car, National Car Rental and Alamo Rent A Car brands through its integrated global network of independent regional subsidiaries. Enterprise Mobility and its affiliates offer extensive car rental, carsharing, truck rental, fleet management, retail car sales, as well as travel management and other transportation services, to make travel easier and more convenient for customers.

Privately held by the Taylor family of St. Louis, Enterprise Mobility together with its affiliate Enterprise Fleet Management manages a diverse fleet of 2.4 million vehicles and accounted for nearly $39 billion in revenue through a network of more than 9,500 fully-staffed neighborhood and airport rental locations in more than 90 countries and territories.

At the center of it all, our dedicated IT teams innovate, design and develop the technology that is redefining how customers rent, buy and share vehicles from our family of brands. Here, you will be part of a diverse and talented team that creates and delivers powerful technology solutions for our customers and employees across the world with the resources and support to develop in a variety of career paths.

As an Enterprise Mobility team member, we offer an excellent package with market-competitive pay, comprehensive healthcare packages, 401k matching & profit sharing, schedule flexibility, work from home opportunities, paid time off, and organizational growth potential.

This position offers the opportunity to work fully remote within the United States (except for Alaska and/or Hawaii). Team members who choose virtual / remote work should have an adequate space to serve as their home office, and must be able to work a schedule within U.S. Central Standard Time core business hours. This position will require employees to come on site to one of our St. Louis campus locations a few times per year for meetings/events or as needed. #LI-REMOTE

Responsibilities

The Workforce Technology Team (WTT) is responsible for the vision, strategy, architecture, engineering, delivery, and end user support of the technologies, capabilities, and service offerings our global employees rely upon every day. Unlike traditional IT teams, WTT works broadly across IT and our business with a specific focus on our employees' experience with technology. WTT responsibilities include physical and virtual devices (desktops/laptops, tablets, payment, printers, virtual workstations, etc.), workforce/productivity applications (email, unified communications, collaboration, etc.), identity solutions (Active Directory, Entra, AppSec, etc.), security capabilities (endpoint protection, secure coding tools, risk database, etc.), and related applications (AppSec, Startup Page, etc.).

This is an exciting opportunity for a Principal Engineer in the WTT Engineering organization! In this important role you will have shared responsibility for our various engineering delivery pipelines. The solutions in these areas are critical for the success and daily operations of our organization and our 90,000+ employees. You will partner closely with WTT Product to develop engineering roadmaps, ensure operational health, build and deliver technology solutions.

Knowledge, Skills, and Abilities:

• Be able to communicate complex solutions at all levels up to and including C suite
• Significant Experience of the Microsoft product set across platform, endpoint and security
• Significant experience of security technologies across the MS stack including MFA, SSO, MIM, OTP as well a strong general security background
• Lead technical strategy and architectural decisions for our core customer service and internal business platforms
• Design and implement scalable solutions spanning frontend and backend services
• Create reusable technical designs that can be leveraged across multiple teams
• Drive adoption of emerging technologies that enhance our customer experience
• Work closely with product and engineering teams to deliver technical excellence
• Mentor and grow senior technical talent across the organization
• Proven ability to influence and build consensus across teams
• Excellence in mentoring senior engineers and building strong teams
• Track record of driving technical decisions at organizational scale
• Strong communication skills and stakeholder management

Equal Opportunity Employer/Disability/Veterans

Qualifications

Required:

• 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
• Must be committed to incorporating security into all decisions and daily job responsibilities
• 11 + years of software & infrastructure engineering experience with proven technical leadership
• Experience designing distributed systems and scalable architectures
• Expertise in cloud platforms (AZURE) and modern web technologies
• Experience building high throughput booking and end point systems and real-time services
• Strong ability to bridge frontend and backend technical domains
• Experience leading technical strategy and engineering decisions for our core customer service and internal business platforms
• Experience implementing comprehensive monitoring and security practices

Preferred:

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

Client-provided location(s): St. Louis, MO, Flexible / Remote

Job ID: enterprise-557853

Employment Type: FULL_TIME

Posted: 2026-07-08T19:59:06