Senior Cloud Infrastructure Development Engineer - Istio Service Mesh

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.Introduction to TeamOur Technology Team partners with teams across Expedia Group to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction.This Senior Cloud Infrastructure Development Engineer role is part of the cloud infrastructure team which sits within our technology division. The cloud infrastructure team designs, builds, and operates the foundational cloud platforms, tools, and services that power Expedia Group’s products at global scale, ensuring they are secure, reliable, and cost-efficient. As a Senior Software Development Engineer, you will lead the design and delivery of robust, scalable cloud solutions that enable product teams to ship features faster and more safely while maintaining high standards of availability and performance.In this role, you will:Architect and evolve secure, scalable platform capabilities across multi-cloud and hybrid environments, with a focus on connectivity, automation, and infrastructure reliability.Design, implement, and scale orchestration and infrastructure automation solutions using tools such as Terraform, KubeFed, and related Kubernetes ecosystem technologies.Configure, implement, and enhance service mesh capabilities, including ingress controller patterns and Istio-based solutions, to support secure service-to-service communication and workload connectivity.Drive observability, capacity planning, system and service performance analysis, and environment tuning, while debugging issues across production and pre-production environments.Advance continuous delivery practices by automating application and infrastructure deployments, integrating infrastructure as code into CI/CD pipelines, and detecting and remediating deployment issues.Take ownership of high-pressure operational scenarios by applying calm, data-driven decision making, advocating for operational excellence through resiliency, scalability, testing, and service-level practices, participating in on-call rotations, and exploring new technologies, including AI-driven tools and workflows, that improve engineering outcomes.Minimum Qualifications Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.8+ years (Bachelor's) or 6+ years (Master's) of professional software engineering experience3+ years of infrastructure automation, configuration management or container orchestrationSeveral years of experience designing, building, and operating Kubernetes-based infrastructure and cloud-native services in production environments, with ownership of multi-service or platform-level systems.Demonstrated proficiency with at least one major public cloud provider, container orchestration concepts, networking, and security controls, including hands-on experience with infrastructure-as-code and automation.Proven ability to design and support APIs, system integrations, and data models for platform services, ensuring reliability, scalability, and maintainability across multiple teams or domains.Advanced proficiency in at least one programming language such as Python, Go, or Java.Preferred QualificationsExperience designing and implementing Service Mesh within Kubernetes environments, including strong knowledge of Istio and familiarity with emerging architectures such as Ambient Mesh.Advanced proficiency developing Kubernetes-related tooling, controllers, operators, or automation using Go (Golang).Proficient with Terraform for provisioning, automating, and managing cloud and Kubernetes infrastructure at scale.Solid understanding of systems engineering and networking fundamentals, including proxy-based architectures, workload identity and authentication, service-to-service communication, and TCP/IP networking concepts within cloud environments.Experience with cloud-native infrastructure tooling and frameworks such as Crossplane, Terragrunt, cert-manager, Kubernetes Load Balancer Controllers, or similar technologies used to support scalable and secure platform operations.Prior experience creating, maintaining, and troubleshooting Kubernetes manifests, Helm charts, and YAML-based configurations.The total cash range for this position in Chicago is $171,500.00 to $240,000.00. Employees in this role have the potential to increase their pay up to $274,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role. Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.Benefits and perksExpedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at .Accommodation requestsExpedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at .About Expedia GroupExpedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.Important noticeEmployment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is .Equal OpportunityExpedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.SummaryLocation: USA - Illinois - ChicagoType: Full time