MasterCard Senior Engineer, Information Security Engineering in O'Fallon, Missouri

Who is MasterCard?

We are the global technology company behind the world€™s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless ®. We ensure every employee has the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you. We believe in connecting everyone to endless, priceless possibilities.

Job Title

Senior Engineer, Information Security Engineering


MasterCard is seeking a candidate to join our PKI Engineering team in Saint Louis, who will be part of a team to support aspects of the enterprise Public Key (PKI), certificate management and shared Hardware Security Module (HSM) infrastructures

The ideal person should be able to extrapolate information with minimal details provided and apply business process improvement practices

Ability to coordinate and/or support large complex projects including upgrades and deployment of new capabilities and enhancements


oPrimary task will be to demonstrate sound organizational skills through the tracking and escalation of expiring certificates

oPerform PKI design which will result in the delivery of x.509 certificates in support of Mastercard projects and infrastructure, which may involve on/off-hours support including problem analysis and resolution

oProficient with database queries and SQL

oParticipate in defining and developing the strategic plan for PKI and the enterprise certificate management service

Provide certificate support on UNIX, mainframe, and Windows.

Knowledge of applications such as WebSphere, JBoss, and Apache is a plus.

Knowledge of HSMs and PKI tools such as OpenSSL is a plus.

Technical experience in cryptography, including several of the following: PKI, digital certificates, SSL, hashing, encryption techniques, etc.

Participate in the preparation and execution of disaster recovery on business continuity plans

All About You

Possesses strong verbal and written communication skills

Comfortable communicating at all levels across the organization

Detail oriented, self-starter and able to work independently at self-directed pace

IT experience with thought-leadership, cross-functional influence, and partnership demonstrated by a successful track record

Must be able to act with a sense of urgency and respond to issues critical in nature


Equal Opportunity Employer
Requisition ID: R-43288