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Marriott International, Inc.

Sr. Systems Engineer- Network Operations-DMZ

Marriott International, Inc. - Bethesda, MD

Sr. Systems Engineer- Network Operations-DMZ




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Job Category

Information Technology


Marriott International HQ, Bethesda, Maryland VIEW ON MAP







Position Type


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Marriott International is the world’s largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. We believe a great career is a journey of discovery and exploration. So, we ask, where will your journey take you?


The Sr. Systems Engineer – Network Operations

DMZ serves as a Subject Matter Expert in a complex array of solutions to meet current

and future user requirements. Reporting to the Director – Network Operations, the Sr. Systems Engineer

– Network DMZ will have operational responsibility of Marriott’s global DMZ network,

with a unwaivering focus on maintaining high availability and continuous

service improvement. S/he will be immersed in solution development, design,

engineering, integration, operation, and escalation support of network DMZ services.

Partnering with architecture, engineering, security, operational and

application experts, the Sr Systems Engineer – Network DMZ will develop,

implement and maintain DMZ services, and provide monitoring, reporting, tuning

and new automation functionalities for comprehensive solutions that meet and/or

exceed Marriott’s network operational requirements.


Educationand Experience


Undergraduate degree in an engineering or computer sciencediscipline and/or equivalent experience/certification

8 years experience in information technology,with demonstrated engineering and/or operational expertise in the followingnetwork technical areas:

BGP routing protocols, MPLS, IPSEC, VRF, Cisco ASR

Network loadbalancing (F5 networks, LTM, GTM, SSL off-loading)

Checkpoint andCisco Firewalls, IDS/IPS, WAF, zone security, URL/ application control andtraffic filtering

Network managementtools such as NetQos, AppNeta, SolarWinds, NetMRI, InfoBlox IPAM, NetScoutInfiniStream

Troubleshooting/diagnostictools such as Wireshark, Netflow, tcpdump, and NetScout

Experience in the design, implementation oroperational support of mission critical solutions in large scale environmentsand organizations

Demonstratedexperience delivering technology solutions in a fast-paced, deadlinedriven enterprise environment

Demonstrated experiencelearning and applying new technologies to solve business needs

Excellent understanding of change management, testing requirements,techniques, and tools to ensure high availability of systems

Excellent verbal and written communication skills for a wide rangeof audiences including executives, business stakeholders and IT teams

Strong attention to detailwith an ability to operate effectively across multiple priorities

Demonstrated ability toperform independently as a member of a team and through cross functionalinitiatives

Ability to work duringnon-business hours as needed and on-call rotations

Excellent verbal and written communication skills fora wide range of audiences including executives, business stakeholders and ITteams


Experience in researching emerging technologies andtrends, standards, and products

Experience in developing technology roadmaps andstrategies

Experience in project definition and management

Strong knowledge of emerging tools, software,applications, and systems for attaining best-in-class IT technology across theenterprise

Demonstratedexperience learning and applying new technologies to solve business needs

Excellent problem-solving skills workingindependently and through leading outcomes for cross functional teams

Excellent understanding of change management,testing requirements, techniques, and tools to ensure high availability ofplatforms

Strongattention to detail with an ability to operate effectively across multiplepriorities

Abilityto perform independently as a member of a team and through cross functionalinitiatives


Collaborates with engineering teams to develop networkDMZ solutions with a focus on production integration

Leads high prirotiy incidents & provides guidance toL1 & L2 network support personnel and Service Providers

Accountable to perform L3 troubleshooting for network DMZissues

Leads completion of project requests associated with DMZinfrastructure

Oversees lifecycle management of DMZ infrastructure andservices, including capacity, health and performance management

Leads and performs continuous service improvementinitiatives enhancing network DMZ availability for Marriott’s applicationservices utilizing the global network

Performs business and technical analyses on the globalDMZ environment and reports out to senior leadership

Performs project management functions associated withnetwork DMZ infrastructure

Develops, maintains and updates operational Run Books,Knowledge Base articles, architectural designs and other artifacts associatedwith DMZ infrastructure and its association with Marriott’s Global Network,systems and applications

Provides technical leadership, oversight, governance anddirection for operational services related to Marriott’s Global DMZ network

Provides technical expertise to project team forsuccessful project and change implementations

Determines customer requirements and works with sourced resources todevelop solutions to meet them

Leadsanalysis of current environment for deficiencies and provides solutions

Provides input into lifecycle, improvement,and standardization strategies

Develops and generates periodic utilizationreports to provide visibility to performance, capacity, availability and SLAmanagement

Utilize capacity data to model future stateplanning with overall strategy and goals

Provides and presents status, analysis andreporting to internal stakeholders, Executive Management and Senior Leadership

Drive the objectives associated with ProblemManagement; such as customer communication and Root Cause Analysis reports

Trains and/or mentors other team members, andpeers as appropriate

Identifies opportunities to enhance theservice delivery, operations and continual service improvement processes

Identifies best in class software and hardwareproducts to meet the needs of a world class development team

Developimplementation plans, test plans, and timelines for projects and tasks

Delivering Technology

Create and enhance administrative,operational and technical policies and procedures, adopting best practiceguidelines, standards and procedures for employees, contractors and vendorengagements

Maintainsa proper balance between business and operational risk

Management of daily infrastructure operations to ensure availabilitySLA is met for network services

Interfaces withstakeholders to establish requirements and formulate priorities forinfrastructure projects

Leads/assists inconfiguration management

Works in aconcerted effort with application development and engineering teams to resolvecomplex issues

Providesoversight, collaboration, provisioning, management and maintenance oftechnology products and service alternatives that improve the productionservices environment

Responsible forthe establishment and continuous development of monitoring and alerting for allproduction environments

Develops internalprocesses and training to ensure team members have the needed skills and toolsto support the production environments and deliver on project commitments

Performs complex quantitative and qualitativeanalyses for operational availability to promote a zero-defect environment

Facilitatesachievement of expected deliverables and obligations of Services Providers

Leads/assists operational teams in system updates &upgrades

Provides consultation for routine and complexsystems development

Ensuresearly warning to the business stakeholder executives regarding degraded ormissed service levels

Coordinateswith Plan and Build teams for deployment and production support activities

ServiceProvider Management

Ensures proper coordination with appropriateIT and vendor relations teams

Manages Service Providers with a focus on continuousservice improvement and service evolution

Monitors, manages and leads Service Provideroutcomes required to ensure operational availability and a zero-defectproduction environment

Consults with internal Service Management& external Service Providers on performance, business reporting, analytics metricsand business value dashboards




- Conveys information and ideas to others in aconvincing and engaging manner through a variety of methods.

Leading ThroughVision and Values

- Keeps theorganization's vision and values at the forefront of employee decision makingand action.

Managing Change

- Initiates and/or manages the change process andenergizes it on an ongoing basis, taking steps to remove barriers or accelerateits pace; serves as role model for how to handle change by maintainingcomposure and performance level under pressure or when experiencing challenges.

Problem Solvingand Decision Making

- Identifies andunderstands issues, problems, and opportunities; obtains and comparesinformation from different sources to draw conclusions, develops and evaluatesalternatives and solutions, solves problems, and chooses a course of action.


- Exhibitsbehavioral styles that convey confidence and command respect from others; makesa good first impression and represents the company in alignment with itsvalues.


- Develops businessplans by exploring and systematically evaluating opportunities with thegreatest potential for producing positive results; ensures successfulpreparation and execution of business plans through effective planning, organizing,and on-going evaluation processes.

Managing Execution

Building aSuccessful Team

- Usesan effective interpersonal style to build a cohesive team; inspires andsustains team cohesion and engagement by focusing the team on its mission andimportance to the organization.


– Ensures successful execution across of business plans designed tomaximize customer satisfaction, profitability, and market share througheffective planning, organizing, and on-going evaluation processes.

Driving forResults

- Sets highstandards of performance for self-and/or others; assumes responsibility forwork objectives; initiates, focuses, and monitors the efforts of self-and/oothers toward the accomplishment goals; proactively takes action and goesbeyond what is required.

Building Relationships


- Develops andsustains relationships based on an understanding of customer/stakeholder needsand actions consistent with the company’s service standards.

Global Mindset

- Supportsemployees and business partners with diverse styles, abilities, motivations,and/or cultural perspectives; utilizes differences to drive innovation,engagement and enhance business results; and ensures employees are given theopportunity to contribute to their full potential.


- Developscollaborative relationships with fellow employees and business partners bymaking them feel valued, appreciated, and included; explores partnershipopportunities with other people in and outside the organization; influences andleverages corporate and continental shared services and/or discipline leaders(e.g., HR, Sales & Marketing, Finance, Revenue Management) to achieveobjectives; maintains effective external relations with government, business andindustry in respective countries; performs effectively as a liaison betweenlocations, disciplines, and corporate to ensure needed resources are receivedand corporate strategies are understood and executed.

Generating Talent and Organizational Capability

Developing Others

- Supports the development of other’s skillsand capabilities so that they can fulfill current or future job/roleresponsibilities more effectively.


- Evaluates andadapts the structure of assignments and work processes to best fit the needsand/or support the goals of an organizational unit.

Learning and Applying Professional Expertise


- Actively identifies new areas for learning;regularly creates and takes advantage of learning opportunities; uses newlygained knowledge and skill on the job and learns through their application.

Technical Acumen

- Understandingand utilizing professional skills and knowledge in a specific functional areato conduct and manage everyday business operations and generate innovativesolutions to approach function-specific work challenges

Technical Intelligence:

Knowledge and ability to define and apply appropriate technology toenhance business process

Development Methodologies:

Knowledge of general stages of SDLC frameworkand the application tiers within the development space.

Information Security:

Knowledge of the security considerationsrelevant within the development space, including industry best practicesrelated to information security

Marriott International is an equal opportunity employer committed to hiring a diverse workforce and sustaining an inclusive culture. Marriott International does not discriminate on the basis of disability, veteran status or any other basis protected under federal, state or local laws.

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19 days 1 hour ago

Marriott International, Inc.


Sr. Systems Engineer- Network Operations-DMZ Marriott International, Inc. - Bethesda, MD, United States


Location: Bethesda, MD

Company Profile:
Marriott International, Inc. is a leading hospitality company with more than 3,900 properties, 18 brands, and associates at more than 3,900 managed and franchised properties around the world. Founded by J. Willard and Alice Marriott and guided by Marriott family leadership for more than 80 years, the company is headquartered in Bethesda, Maryland, USA, and reported revenues of nearly $13 billion in fiscal year 2013.