Senior Information Security Engineer

Mastercard; Bray (OK); On-site; USD 120,000 - 160,000; Full time

Job summary

Mastercard is seeking a Senior Information Security Engineer to join the Business Security Enablement team. The role emphasizes secure engineering, cloud/app security, and integrating GenAI-based automation into security reviews and designs.

You will review third-party tech, collaborate with developers and stakeholders, define security requirements, and help ensure Mastercard’s systems stay protected while enabling innovative digital payment solutions.

Qualifications

• 5-7 years of work experience in information security.
• CISSP or an industry-recognised security certification is a nice-to-have.
• Advanced knowledge of security protocols and standards.
• Experience with software security architecture and designs.
• Technical experience with programming languages.
• Knowledge of cryptography.
• Moderate hands-on admin experience with Windows and Linux.
• Basic knowledge related to AI, GenAI, LLMs and business automation with AI.
• Working knowledge of encryption, SSL, VPN, IPSec, WAFs and related tools.
• Moderate hands-on scripting experience.

Skills

Information security

Security architecture

Programming languages

Cryptography

Windows administration

Linux administration

GenAI basics

Scripting

SSL/IPSec/WAFs

Education

CISSP (nice-to-have)

Job description

**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 Information 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 realise 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.
Mastercard is developing the next generation of applications and services to enable consumers and businesses to securely, efficiently, and intelligently conduct payment transactions. Whether through traditional retail, mobile, or e-commerce, Mastercard innovation is leading the digital convergence of traditional and emerging payment technologies across a wide variety of new devices and services.
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 front lines who make this happen every day.
By taking care of our people, their well-being, and career development, we provide them with the necessary tools and environment to ensure the success of our mission.
Overview
The Business Security Enablement 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 and bring GenAI-based automation.
- 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.
- Provide design and architecture advice to internal teams on how to securely develop and build applications and supporting systems
- Define secure mechanisms for critical business functions in cloud environments
- Work closely with developers and evaluate business requests and proposed designs to determine feasibility; work with software development teams to define alternatives and recommend optimal solutions to meet security and regulatory requirements in the design of new enhanced systems
- Leverage security experience and knowledge within the mobile and digital commerce arena to cultivate and maintain effective working relationships with a variety of internal MasterCard stakeholders, including business owners, end-users, customers, project managers, engineers, and senior management
- Define security requirements and guidelines to ensure repeatable processes are followed by worldwide teams
- Assist in the strategy, standards, and architecture for the security aspects of the SDLC, including application, mobile, web service, DevOps, cloud, GenAI, LLM models, and CI/CD efforts
All About You
- 5-7 years of work experience in information security disciplines.
- CISSP or an industry-recognised 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.
- Moderate hands-on administrative and security experience with Windows and Linux systems
- Basic knowledge related to AI, GenAI, LLMs and business automation with AI.
- Working knowledge of symmetric and asymmetric encryption, Digital Certificates, SSL, VPN, IPSec, WAFs and other security tools and processes such as privileged identity management, file integrity, audit, logging and IDS/IPS.
- Moderate hands-on scripting experience.
**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.