American Express Careers

Infrastructure Engineer - Mainframe

Phoenix, Arizona; Sunrise, Florida
Digital Commerce Technology

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Job Description

Infrastructure Engineer II – Global Infrastructure & Digital Workplace Technology – Mainframe Systems
Mainframe Systems is responsible for enterprise technology infrastructure including Mainframe, Middleware & Enterprise Utilities, Security Capabilities Operations, Database Operations and 3rd party hosting.
In this role you will assist with the engineering and design of critical American Express mainframe applications and infrastructure in conjunction with troubleshooting, tuning and debugging of applications and databases utilizing the mainframe platform. You will report to the Director of Mainframe Architecture and Engineering.
  • Assist with engineering of large/complex projects with a variety of components and integration points
  • Collaborate with business and vendor partners to better understand their objectives, technical landscape and how to identify and resolve complex problems/issues
  • Work with Infrastructure and Application Engineers/Architects to exploit modern mainframe technologies such as, Java, Encryption, Sysplex, Hybrid Cloud, High Availability, Active/Active and mainframe networking
  • Partner with Engineers to define solution requirements, perform coding and/or hands-on technical implementation
  • Assist with infrastructure performance and security assessments
  • Assist with internal analysis and support to ensure proper resolution and/or escalation path during outages or periods of degraded system performance
  • Participate in brainstorming and discovery exercises that lead to new technologies based on research, proof of concept efforts and independent investigation
  • Ensure engineering is consistent with enterprise engineering standards, guidelines and principles
  • Provide technical expertise to help team members overcome technical problems during production outages and solution delivery
  • Ensure compliance with technical, architectural, regulatory, and strategic standards, policies, and procedures
  • Actively modernizes platforms and applications using current agile practices (dev/ops)



  • 8+years engineering experience in a complex mainframe environment in the Financial Services industry
  • Experience with design and implementation of mainframe and distributed applications
  • Experience with mainframe infrastructure, z-platform and z/OS technologies hardware and operating systems, application development and control of mainframe architecture, middleware and tooling
  • Knowledge and experience with modern mainframe technologies (Java, Encryption, Sysplex, Hybrid Cloud, High Availability, Active/Active and Mainframe Networking) and its relevance to the American Express environment
  • Experience with in depth problem solving, analytical analysis, reporting and the ability to articulate and present to leaders and key partners
  • Possesses subject matter domain expertise and knowledge of application processes and business flows
  • Ability to manage, influence and drive vendor direction to deliver innovated solutions that are helpful to the team and American Express
  • Demonstrates personal integrity, builds trust and capable of collaborating across the organization
  • Motivates and inspire team members to work together and get results

  • Excellent written/verbal skills and able to adapt a message to the appropriate audience

  • Strong critical thinking and decision-making skills to deliver results
  • Bachelor of Science Degree in Computer Science or Computer Science Engineering, or related field is preferred

Why American Express

Talk to our people and you’ll find out what we’re really all about. Open, creative, risk-taking, collaborative and innovative are just some of the expressions you’ll hear. It’s our culture that makes American Express an outstanding place to work, and a huge part of why we regularly win the best workplace awards all over the world. If you’re ready to tackle a challenge and make an impact, American Express is a phenomenal place to launch or grow your career.

Employment eligibility to work with American Express in the U.S. is required as the company will not pursue visa sponsorship for these positions.

ReqID: 18013560
Schedule (Full-Time/Part-Time): Full-time
Date Posted: Sep 4, 2018, 4:49:27 PM
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