Senior Security Engineer

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Senior Security Engineer

Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is 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. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Mission First, People Always
As Corporate Security, we are responsible for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the frontlines who make this happen every day.
By taking care of our people, their wellbeing, and career development, we provide them with the necessary tools and environment to ensure the success of our mission.
Overview
The Business Security Enablement ONE team is looking for a Senior Security Engineer to join our team. The Business Security Enablement Guild is a worldwide team of information security experts focused on helping Mastercard achieve its goals by ensuring security is at the heart of everything we do. The ideal candidate needs an elevated level of expertise in information security and secure engineering disciplines.
• Apply knowledge of security principles, theories, and concepts to technology reviews.
• Work independently on reviews of third-party technologies and internally developed applications.
• Work closely with stakeholders to evaluate business requests to determine feasibility.
• Provide and recommend optimal solutions to meet security and regulatory requirements in the design of new/enhanced systems.
• Ensure established security policies and standards are observed on projects.
• Prepare and present business/technical presentations.
All About You
• 3-7 years of work experience in information security disciplines.
• CISSP or Industry recognized security certification is a nice to have.
• Advanced knowledge of security protocols and standards.
• Experience with software, security architecture and security designs.
• Technical experience with Programming Languages.
• Knowledge or technical security experience in Cryptography.
• Knowledge or hands on experience securing AI/ML enabled systems, including:
o AI data flows, model lifecycle risks, and inference security
o Risks related to training data, model access, prompt injection, and misuse
• Familiarity with AI security and governance concepts, such as:
o Secure use of third party AI platforms and services
o Data protection, privacy, and regulatory considerations in AI solutions
o Threat modeling for AI driven and data intensive architectures
• Moderate hands-on administrative and security experience with Windows and Linux systems
• Working knowledge of symmetric and asymmetric encryption, Digital Certificates, SSL, VPN, IPSec, WAF’s and other security tools and processes such as privileged identity management, file integrity, audit, logging and IDS/IPS.
• Moderate hands on scripting experience, including automation to improve security review efficiency.
NICE Framework References
This Mastercard role shares knowledge, skills, and abilities with related NICE work roles.
• SP-DEV-002, OPM622, Secure Software Assessor
• SP-ARC-002, OPM652, Security Architect
Corporate Security Responsibility
Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position must:
• Abide by Mastercard’s security policies and practices.
• Ensure the confidentiality and integrity of the information being accessed.
• Report any suspected information security violation or breach.
• Complete all periodic mandatory security training in accordance with Mastercard’s guidelines.

Mastercard is a merit-based, inclusive, equal 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. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com 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.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices;

• Ensure the confidentiality and integrity of the information being accessed;

• Report any suspected information security violation or breach, and

• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $115,000 - $184,000 USD