Senior Network Security Engineer - Network Reliability Engineering Security Operations

Job Description

JOB SUMMARY

The Senior Network Security Engineer, Network Reliability Engineering (NRE) Security Operations (SecOps) is the subject matter expert in designing and implementing the Network security strategy and platforms for the next-gen operations for all Marriott International (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Corporate Networks. This role will work closely and collaboratively with a matrix team of expert network architects and engineers to drive adoption of NRE practices and operating models across all network product towers, and around globe. As the Senior Network Security Engineer, the candidate focuses on defining and executing the zero-trust strategy to prevent un-authorized access to Marriott network as well as meet stringent compliance requirements. Reporting to Director of NRE-SecOps, the engineer will be responsible to articulate and effectively execute a vision to address increasing complexity, scale of modern IT systems, and ensure real-time asset visibility, assessment, remediation, and access control to Marriott services. The successful candidate will be expected to bridge the gap by implementing security strategies and next-gen zero trust solutions to make sure all system components are meeting Marriott network access and security compliance requirements at granular level. This role is accountable for establishing technical level relationships and partnering with all business disciplines, other MI teams, solution providers/vendors, and operational partners to define and implement the Network NRE zero trust security roadmap, building and enforcing the standards defined in it.

CANDIDATE PROFILE

Education and Experience

Required:
Graduate degree in an engineering or computer science discipline and/or equivalent experience/certification
6+ years' experience with network security tools related products
Experience in installing, configuring, and troubleshooting of zero trust security tools (Cisco ISE, Firewall Management solution such as Firemon, Palo Alto Panorama, Checkpoint MDS and other similar tools)
Strong preference to have product certifications (CCIE, PCNSE, FMSE and others)
Must possess expertise in designing and implementing policies in the tools mentioned above
Experience with one or more Cloud Computing platforms (e.g. Amazon AWS, Microsoft Azure, Google Compute Engine)
Knowledge and experience in wireshark/tcpdump/nmap and related analysis techniques
Experience in developing, documenting, and managing the requirements gathering process and provide detailed design and implementation plan to support the requirements throughout the project life cycle
Field experience and knowledge of foundational data networking and IP technologies including (ARP, TCP/IP, UDP, DHCP, DNS, NAT and others)
Awareness in installing, managing, troubleshooting and administration of firewall management solutions (Cisco ISE, Firemon, Palo Alto Panorama, Checkpoint MDS)
Understanding of TACACS+, RADIUS
Experience in Agile methodologies, daily stand-up meetings, sprint planning sessions and user story preparations
Hands-on experience with common routing and switching platforms (Cisco, Juniper, HP/Aruba etc.)
Demonstrated experience in delivering written documents detailing network solutions and diagrams
Technical knowledge in Load Balancing such as ELBs, NLBs, F5 BigIP

Preferred:
Advanced Degree (e.g., MS, PhD) in Computer Science or other technical discipline or MBA, preferably with a focus on technology
Familiarity with multiple languages, including C++, Java, Python Perl, or another programming language
Experience with managing network security 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 network security posture 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, instrumentation, and monitoring 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

Core Work Activities:
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 infrastructure monitoring, management, and automation solutions 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 SecOps 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 SecOps 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 NRE SecOps services, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues.
Drive accountability with ITO partners, vendors, telco/ISPs, etc., launching and managing Performance Improvement initiatives where appropriate.
Create functional strategies and specific objectives for the sub-function and develops budgets/policies/procedures to support the functional NRE SecOps tools, systems, and infrastructure.
Foster an environment of continuous improvement and structured processes and procedures that support a zero-fault culture.

The salary range for this position is $98,500 to $168,400 annually. In addition to the annual salary, the position will be eligible to receive an annual bonus.

Washington Applicants Only: Employees will accrue 0.04616 PTO balance for every hour worked and eligible to receive minimum of 7 holidays annually.

All locations offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, paid parental leave, educational assistance, 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts. Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others.

Marriott HQ is committed to a hybrid work environment that enables associates to Be connected. Headquarters-based positions are considered hybrid, for candidates within a commuting distance to Bethesda, MD; candidates outside of commuting distance to Bethesda, MD will be considered for Remote positions.

The application deadline for this position is 28 days after the date of this posting, April 29, 2025.

Marriott International is an equal opportunity employer. We believe in hiring a diverse workforce and sustaining an inclusive, people-first culture. We are committed to non-discrimination on any protected basis, such as disability and veteran status, or any other basis covered under applicable law.

About the Team

Marriott International is the world's largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work, begin your purpose, belong to an amazing global team, and become the best version of you.