Mastercard Jobs

Job Information

MasterCard Senior Systems Support Engineer in O'Fallon, Missouri

Our Purpose

We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion at for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Job Title

Senior Systems Support Engineer


The Employee Digital Experence team is looking for a O365 Senior Support Engineer to drive our customer experience strategy forward, by consistently innovating and problem-solving. The ideal candidate is passionate about the customer experience journey, highly motivated, intellectually curious, analytical, and possesses an entrepreneurial mindset


• Experience with Microsoft Exchange on Premise and Online (Hybrid)

• Experience with email archive/legal hold tools (ex. SourceOne)

• Experience in a similar role (Active Directory design, Azure and O365 break/fix activities, engineering, complex implementations, and migrations)

• Hands-on expertise of working with complex Active Directory infrastructure environments and the requirement of strictly following standards, procedures and processes

• Strong experience with PowerShell scripting and other command-line interfaces

• Ability to understand and design a large enterprise-level solution upon technical, application and business requirements

• Demonstrate strong analytical, troubleshooting and problem-solving skills

All About You:

• Four year degree in a related field, technical certifications, or relevant work experience (e.g., Systems Support, ITIL experience, etc.)

• Responsible for managing MasterCard's IT systems, including requirements gathering, purchasing, distribution, configuration, and maintenance.

• Defines specifications for less complex operating software programming applications, and designs, codes, tests, debugs, and documents those programs

• Evaluates new and existing software products according to standard guidelines

• IT experience including involvement in IT projects on a full time basis and general work experience (e.g., systems support, ITIL knowledge, etc.)

• Working closely with external IT vendors and monitoring/ tracking vendor standards and deliverables


Due to COVID-19, most of our employees are working from home. We’ve implemented a virtual hiring process and continue to interview candidates by phone or video and are onboarding new hires remotely. We value the safety of each member of our community because we know we’re all in this together.

Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.​

If you require accommodations or assistance to complete the online application process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Requisition ID: R-114210