Mastercard · 23 hours ago
Lead Security Engineer
O'Fallon, Missouri
Full-time
Onsite
Senior Level, Lead/Staff
$140K/yr - $231K/yr
7+ years expMastercard is a global technology company in the payments industry. They are seeking a Lead Security Engineer to ensure security is integrated into all aspects of their operations and to provide expert guidance on secure application design and development.
FinanceFinancial ServicesInformation TechnologyPayments
Responsibilities
Apply knowledge of security principles, theories and concepts to business and development life cycle
Take a Lead Security Position in larger, complex, global and cross functional/cross geographies initiatives
Work closely with developers 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
Document enhancements to security standards and procedures
Prepare and present business/technical presentations
Qualification
Required
Degree in computer science/information security or work experience equivalent of 7-10 years in information security disciplines
CISSP or Industry recognized security certification desired
Advanced knowledge of security domains, protocols and standards, experience with software development, security architecture and security designs
Technical experience with Programming Languages
Security design and implementation of web-based security architecture for secure on-line transactions
Knowledge or technical security experience in Cryptography
Working knowledge of symmetric and asymmetric encryption, Digital Certificates, SSL, VPN, IPSec, development of DMZ's and other security tools and processes such as privileged identity management, file integrity, audit, logging and IDS/IPS
Experience with automation of content federation and life-cycle management including OS images, binary packages and configuration management
Intermediate to advanced hands-on scripting experience
Moderate to extensive hands-on administrative and security experience with Linux systems
Benefits
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
Company
Mastercard
Mastercard is a financial network that processes payments between banks and cardholders.
10001+ employees
H1B Sponsorship
Mastercard has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (540)
2024 (319)
Funding
Current Stage
Public CompanyTotal Funding
unknown2006-05-25IPO
Leadership Team
Michael Miebach
Chief Executive Officer
Ed McLaughlin
President & Chief Technology Officer
Recent News
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2026-01-22
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2026-01-22
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