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About Us:Marriott International Inc., headquartered in Bethesda, Maryland, USA, was founded in May 1927 by J. Willard Marriott and Alice S. Marriott with a modest nine-seat A&W root beer stand. Guided by the family's leadership and core principles, Marriott International today has grown into a global hospitality giant, operating approximately 9,000 properties and over 30 leading brands in more than 140 countries and territories.From such humble beginnings to becoming the world’s largest hotel company, Marriott International has never stopped searching for inventive ways to serve its customers, provide opportunities for its associates, and grow their business. At Marriott Tech Accelerator center (MTA), Hyderabad, India, Marriott is exploring the world we live in and all its possibilities. At Marriott Tech Accelerator, we are a team of passionate engineering minds dedicated to creating and building cutting-edge solutions that streamline operations and elevate guest experiences. Marriott Tech Accelerator center is fully owned and operated by ANSR. All associates at Marriott Tech Accelerator will be ANSR employees, delivering services exclusively to ANSR's client, Marriott International. Role Title: Senior Network Engineer I _IHC081Position Summary:The Senior Network Engineer for DDI team will be part of Network Reliability Engineering (NRE) team. Seeking a highly skilled DDI Engineer with strong operational and engineering expertise in Infoblox or equivalent technologies. The ideal candidate will design, operate, and enhance a hybrid DNS/DHCP/IPAM infrastructure spanning on-prem and cloud environments (AWS Route53, Azure DNS, AliDNS). This is a individual contributor role.Job Responsibilities:Operate and engineer enterprise-grade DDI platforms (Infoblox) ensuring availability, scalability, and compliance.Manage hybrid DNS architecture across on-prem, AWS Route53, Azure DNS, and AliDNS, enabling seamless name resolution and zone delegation.Automate DDI workflows using tools such as Ansible, Python, or API integrations for provisioning, cleanup, and compliance enforcement.Troubleshoot complex DNS/DHCP/IPAM incidents, perform root cause analysis, and implement permanent fixes.Support security and compliance initiatives—DNSSEC, RPZ, audit logs, access control, and vulnerability remediation.Collaborate with Cloud, Network, and Security teams to design resilient and performant hybrid DDI solutions.Implement CI/CD and monitoring pipelines for DNS health, zone sync validation, and automation testing.Maintain documentation and runbooks, ensuring operational excellence and knowledge continuity across global teams.Skill and Experience:Undergraduate degree in an engineering or computer science discipline and/or equivalent4+ years' experience in DDI engineering and operations with strong hands-on knowledge.Experience in installing, configuring, and troubleshooting of DDI appliance technologies from industry leading vendors (Infoblox, AWS, Alicloud, Azure)Strong understanding of DNS protocols, DHCP lease management, and IPAM hierarchy.Experience in managing and configuring IPAM, DHCP scopes and options across multiple environmentsExperience in Agile methodologies, daily stand-up meetings, sprint planning sessions and user story preparations4+ years of experience in DNS/ DHCP/ IPAM operations (L2 Team), Incidents and problem management.Preferred Experience:Experience in configuring SaaS based DDI solutions from AWS, Azure and other cloud providersExperience in implementing DNS security policies and DNS resolution policiesExperience in designing and implementing NTP solutions for data centers and Cloud service providersExperience with Cloud Computing platforms (e.g. Amazon AWS R53)Experience in Integrating DDI solutions with other network management and monitoring toolsHands on experience in resolving complex networking issues related to DNS/ DHCP/ IPAM protocols.Field experience and knowledge of foundational data networking and IP technologies including (DNS, DHCP, NTP, ARP, TCP/IP, UDP, NAT and othersExperience in configuring and troubleshooting DNS zones, perform zone transferExperience with managing DDI tools in a hospitality industry a plusExperience in leveraging public APIs for developing automation scriptsTeam player with the ability to collaborate and work with cross functional teams in multiple time zonesExperience in researching emerging technologies and trends, standards, and products and synthesizing into clear technology roadmaps and strategiesStrong knowledge of emerging tools, applications, and systems for attaining best-in-class DDI solutions across the enterpriseExcellent problem-solving skills working independently and through leading outcomes for cross functional teamsExcellent understanding of change management, testing requirements and techniques, to ensure high availability and business readiness of platformsStrong attention to detail with an ability to operate effectively across multiple prioritiesAbility to perform independently as a member of a team and through cross functional initiativesProven track record of driving transformation in network technologies, tools, and processes through a data driven continuous improvement methodologyDemonstrated experience in improving reliability, performance, and agility of complex enterprise networksStrong understanding of network infrastructure automation, DDI platforms and the emerging technologies in this areaStrong influencing skills and an ability to overcome barriers while driving changeExcellent verbal and written communication skills for a wide range of audiences including executives, business stakeholders, and IT teamsEducation and Certifications:Undergraduate degree or equivalent experience/certificationWork location: Hyderabad, India.Work mode: HybridMarriott’s core values:At Marriott, our core value make us who we are. We believe that success is never final. As we change and grow, the beliefs that are most important to us stay the same—putting people first, pursuing excellence, embracing change, acting with integrity, and serving our world. Being part of Marriott Tech Accelerator means being part of a proud history and a thriving culture.