Senior Platform Engineer

To apply, e-mail Ariana DeHoet directly at Ariana.DeHoet@mastercard.com{target="_blank" rel="noopener"}, 2200, Mastercard Blvd, O'Fallon, MO 63368 with a copy of your resume and reference MC59-2026. ONLY APPLICATIONS SENT TO THE AFOREMENTIONED EMAIL WILL BE CONSIDERED.

Employer's Name: Mastercard Technologies, LLC

Job Title: Senior Platform Engineer (O'Fallon, MO)

Position Duties: Test automation frameworks in collaboration with team members or other IT departments including identifying efficiencies in automation, implementation of automation to improve efficiencies and measuring efficiencies for improvement. Support and maturation of workflows including designing, building, implementing, and optimizing CI/CD pipelines. Design, test, and implementation of automation for internal processes in Operating System management, Patch Management, and/or Configuration Management on physical and virtual infrastructure and operating systems. Patch management lifecycle with ability to prepare, curate, stage, test and implement enterprise patching on operating systems. Create and/or modify scripts to provide automation, diagnostics, or logging for operational tasks that is standardized on behalf of the department. Engineering the operating system management lifecycle in preparing, curating, testing and implementing new operating system images. Partner with Information Security in defining, designing, implementing and supporting Mastercard security policy standards and help enforce compliance with program teams. Partner closely with Operations as third tier support in trouble-shooting networking, operating systems, and applications to identify and correct malfunctions and other operational problems. Mentor more junior team members in terms of best practices and Mastercard processes.

Job Requirements: Bachelor's degree or foreign equivalent in Information Systems, Information Technology, Computer Science or Engineering or related and five (5) years of progressively responsible experience in job offered or as a DevOps Engineer, or related. Qualifying experience must include at least two (2) years with each of the following: System administration experience with Linux servers in physical and virtualized environments; Automation technologies (Chef, Ansible, Puppet, or Shell scripting); Coding (Chef, BASH or Python); Engineering Linux solutions; Dev/Ops: Security Hardening, OS Lifecycle Management. Telecommuting and/or working from home may be permissible pursuant to company policies.

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**Hours per week: **40 hours/week

Location of Employment: 2200 Mastercard Blvd, O'Fallon, MO, 63368

Contact Person: Ariana DeHoet, Ariana.DeHoet@mastercard.com{target="_blank" rel="noopener"} 2200, Mastercard Blvd, O'Fallon, MO 63368. Ref MC59-2026.