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FLEX Senior Systems Engineer

Marriott International
United Statesfull_timeVerifiedPosted 25 Mar 2026

About the role

This is a temporary position. 

JOB SUMMARY

 Perform various z/OS systems programming tasks.

 JOB TITLE

 Senior Systems Engineer – z/OS

 CANDIDATE PROFILE

 Required Experience:

  • 10+ years performing general z/OS systems programming
  • 5+ years performing installation, maintenance, configuration and support of a wide range of IBM, Broadcom, BMC, and other ISV products
  • 3+ years mainframe hardware configuration and network configuration/management
  • 3+ years z/OSMF customization and usage.

 

Desired Experience:

  • Coupling Facility, SYSPLEX, and Structures
  • Performance monitoring and tuning
  • Storage (DASD and virtual tape) management
  • Assembler and REXX programing.

 

Other Requirements:

  • Inclusion in the on-call rotation to provide after-hours support
  • Perform analysis of the current environment to detect critical deficiencies and recommend solutions for improvement
  • Update and create system documentation as necessary.

 

At Marriott International, we are dedicated to being an equal opportunity employer, welcoming all and providing access to opportunity. We actively foster an environment where the unique backgrounds of our associates are valued and celebrated. Our greatest strength lies in the rich blend of culture, talent, and experiences of our associates.  We are committed to non-discrimination on any protected basis, including disability, veteran status, or other basis protected by applicable law. 

All locations offer 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. Click here to learn more.
Full-time positions also 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, and paid parental leave. 
Washington Applicants Only: Employees will accrue paid sick leave, 0.0384 PTO balance for every hour worked and be eligible to receive minimum of 9 holidays annually. 
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.

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Company

Marriott International

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