FLEX Senior DDI Network Engineer

Marriott International-posted about 2 months ago

Full-time • Mid Level

Bethesda, MD

5,001-10,000 employees

Accommodation

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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.

Operate and engineer enterprise-grade DDI platforms (Infoblox, BlueCat, or equivalent) 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.
Develop complex global distributed infrastructure monitoring, management, and automation solutions to manage our global network.
Lead design, write, and build tools to improve the reliability, availability, and scalability of Datacenter/Cloud Networks, Property Networks, and Corporate Networks
Serve as technical lead for the development of complex global distributed DDI infrastructure to manage our global network.
Serve as technical lead for the design new tools to monitor and smart alerts that help discover failures or issues before our customers.
Collaborate with other Network teams to develop network SRE solutions with a focus on production integration
Conduct network analysis, configuration management and develop improvements for system software performance, availability, and reliability
Provide program management assistance and contribute input to help manage project schedules, risks, and costs.
Manage Network NRE products and solutions, including the design, low level engineering, and delivery of new hardware systems for Marriott applications across the network.
Define and implement an operational Recovery Time Objective (RTO) and Recovery Point Objective (RPO) strategy for all Network Infrastructure areas.
Establish management level relationships and partnering with all Business disciplines and other MI teams to define Network SRE services, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues.
Develop, document, and manage the requirements gathering process and provide detailed design and business processes to support the requirements throughout the project life cycle
Drive accountability with strategic sourcing partners, vendors, telco/ISPs, etc., launching and managing Performance Improvement initiatives where appropriate.
Create functional strategies and specific objectives for the sub-function and contributes to development of budgets/policies/procedures to support the functional Network SRE tools, systems, and infrastructure.
Perform network troubleshooting and upgrades. Coordinate with local teams and vendors, solve problems and restore services as needed
Foster an environment of continuous improvement and structured processes and procedures that support a zero-fault culture.
Submits reports in a timely manner, ensuring delivery deadlines are met.
Promotes the documenting of project progress accurately.
Provides input and assistance to other teams regarding projects.
Provides technical expertise and support to persons inside and outside of the department.
Demonstrates knowledge of job-relevant issues, products, systems, and processes.
Demonstrates knowledge of function-specific procedures.
Keeps up-to-date technically and applies new knowledge to job.
Uses computers and computer systems (including hardware and software) to enter data and/ or process information.
Understands and meets the needs of key stakeholders.
Develops specific goals and plans to prioritize, organize, and accomplish work.
Determines priorities, schedules, plans and necessary resources to ensure completion of any projects on schedule.
Collaborates with internal partners and stakeholders to support business/initiative strategies
Communicates concepts in a clear and persuasive manner that is easy to understand.
Generates and provides accurate and timely results in the form of reports, presentations, etc.
Demonstrates an understanding of business priorities

Undergraduate degree in an engineering or computer science discipline and/or equivalent
8+ 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, Bluecat, Efficient IP)
Strong understanding of DNS protocols, DHCP lease management, and IPAM hierarchy.
Experience in managing and configuring IPAM, DHCP scopes and options across multiple environments
Experience in Agile methodologies, daily stand-up meetings, sprint planning sessions and user story preparations
4+ years of experience in DNS/ DHCP/ IPAM operations (L2 Team), Incidents and problem management.

Advanced Degree (e.g., MS, PhD) in Computer Science or other technical discipline or MBA, preferably with a focus on technology
Experience in configuring SaaS based DDI solutions from AWS, Azure and other cloud providers
Experience in implementing DNS security policies and DNS resolution policies
Experience in designing and implementing NTP solutions for data centers and Cloud service providers
Experience with one or more Cloud Computing platforms (e.g. Amazon AWS R53)
Experience in Integrating DDI solutions with other network management and monitoring tools
Hands 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 others
Experience in configuring and troubleshooting DNS zones, perform zone transfer
Experience with managing DDI tools in a hospitality industry a plus
Experience in leveraging public APIs for developing automation scripts
Team player with the ability to collaborate and work with cross functional teams in multiple time zones
Experience in researching emerging technologies and trends, standards, and products and synthesizing into clear technology roadmaps and strategies
Strong knowledge of emerging tools, applications, and systems for attaining best-in-class DDI solutions across the enterprise
Excellent problem-solving skills working independently and through leading outcomes for cross functional teams
Excellent understanding of change management, testing requirements and techniques, to ensure high availability and business readiness of platforms
Strong attention to detail with an ability to operate effectively across multiple priorities
Ability to perform independently as a member of a team and through cross functional initiatives
Proven track record of driving transformation in network technologies, tools, and processes through a data driven continuous improvement methodology
Demonstrated experience in improving reliability, performance, and agility of complex enterprise networks
Strong understanding of network infrastructure automation, DDI platforms and the emerging technologies in this area
Strong influencing skills and an ability to overcome barriers while driving change
Excellent verbal and written communication skills for a wide range of audiences including executives, business stakeholders, and IT teams

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