Mastercard · 20 hours ago
Lead Platform Architect
O'Fallon, Missouri
Full-time
Onsite
Senior Level, Lead/Staff
$122K/yr - $207K/yrMastercard is a global technology company powering economies and enabling secure digital payments. The Lead Platform Architect will define and evolve the enterprise network architecture, ensuring performance, reliability, and security while collaborating with various teams to deliver complex solutions.
FinancePaymentsInformation TechnologyFinancial Services
Responsibilities
Develop and maintain comprehensive network architecture blueprints, standards, reference patterns, and multi-year roadmaps
Architect and design high performance, highly available, and secure network solutions aligned with enterprise strategy
Identify opportunities for modernization, optimization, and resiliency improvements across the network and security landscape
Lead and execute strategic network initiatives related to performance engineering, network security, zero trust adoption, automation, and infrastructure transformation
Define and communicate technology component standards spanning networking, security, cloud, and operating systems
Troubleshoot, analyze, and resolve complex and systemic network architecture issues; escalate rare or business impacting challenges as needed
Collaborate closely with Cloud Engineering, Information Security, Platform Engineering, Operations, and Application teams to ensure cohesive and scalable designs
Provide technical leadership and mentorship to engineers across teams, influencing architectural direction and best practices
Ensure architectural governance, design reviews, and adherence to standards for new and existing network implementations
Qualification
Required
Bachelor's degree in Computer Science, Engineering, or an equivalent combination of education and experience
Significant experience in architecting and deploying Zscaler technologies, including ZIA, ZPA, and ZDX
Designing secure, scalable Zscaler architectures aligned to business and security requirements
Deploying private Service Edges, App Connectors, and comprehensive ZTNA policies
Experience with cloud and zero trust architectures, including segmentation, identity-aware access, and secure access service edge (SASE) design patterns
Hands-on experience with major network and security vendors such as Palo Alto, Check Point, and VMware across design, deployment, and operational domains
Experience in global enterprise networking: LAN/WAN, routing, switching, firewalls, VPN, DNS, load balancing, and encryption technologies
Experience designing and implementing large-scale network security architectures across hybrid and multi-cloud environments
Background in network automation, including Ansible, Python, and infrastructure-as-code methodologies
Demonstrated track record of delivering complex, mission critical infrastructure projects in enterprise environments
Exceptional verbal and written communication skills, capable of conveying complex concepts to technical and non technical stakeholders
Self-starter with strong analytical, organizational, and problem-solving abilities
Effective leader and mentor, with the ability to guide engineering teams, provide architectural direction, and foster a high-performance culture
Strong decision-making capabilities, especially in high-pressure or ambiguous technical situations
Ability to manage multiple initiatives, competing priorities, and dynamic timelines while maintaining high-quality outcomes
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.
Founded in 1966
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
2026-02-11
Company data provided by crunchbase