Jobs in the United States

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Added 1 min ago
Senior Engineer - Quantum Error Correction Libraries
NVIDIA USA
Remote, United States
…computing to the quantum computing ecosystem. We are looking for a senior software engineer to develop, scale, and optimize GPU-accelerated simulators for CUDA-Q, our platform for hybrid…
Added 2 mins ago
IC
Senior Semiconductor Manufacturing Engineer
Intel Corporation
NM
- $120,860 to $231,670 USD / year
We are seeking a full-time Senior Semiconductor Manufacturing Engineer to play a pivotal role in our high-volume fabrication facility. In this position, you will provide tactical and…
Added 2 mins ago
Process Engineer
Delek US
Tyler, TX
No Licensure or Certification Required
Added 3 mins ago
Senior Technical Marketing Engineer - Data Center
Hewlett Packard Enterprise
Sunnyvale, CA
This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office
Added 3 mins ago
Digital Software Engineer Senior Manager
Citibank, N.A.
United States
Citi is looking for a Digital Software Engineer Senior Manager to design, build, and deliver complex software applications within a high-performing Technology team that directly supports…
Added 4 mins ago
Software Development Engineer, EC2 Capacity Telemetry and Autonomous Systems
Amazon Development Center U.S., Inc.
Seattle, WA
The EC2 Capacity Telemetry and Autonomous Systems team is looking for an experienced Software Development Engineer to join our Seattle-based team. EC2 (Elastic Compute Cloud) is part of…
Added 5 mins ago
Senior Material Planning Analyst - 1st Shift
GXO Logistics
Locust Grove, GA
…deliver the caliber of service our company requires. As the Senior Material Planning Analyst, you will be responsible for developing actionable analyses to improve the productivity and…
Added 6 mins ago
Structural Engineer (Project Manager)
MILROSE CONSULTANTS LLC
New York, NY
Engineer-in-Training (EIT) certification required
Added 7 mins ago
U
Sr Software Engineer - ML Infrastructure
Uber
San Francisco, CA · Seattle, WA · Sunnyvale, CA · New York City, NY
- $202,000 to $224,000 USD / year
Senior Software Engineer - ML Infrastructure, Mobility Simulation and Planning
Added 7 mins ago
TH
Sr Engineer Packaging
The Hershey Company
Hershey, PA
- $92,160 to $115,200 USD / year
Working independently, the Senior Packaging Engineer designs, develops, commercializes, and optimizes packaging solutions for new and existing products. The role ensures product protection,…
Added 8 mins ago
Senior Flight Dynamics Engineer II
Rocket Lab Corporation
Littleton, CO
As a Senior Flight Dynamics Engineer II based out of Rocket Lab's site in Littleton, CO, you will perform tracking, navigation, maneuver, trajectory planning, and collision avoidance design…
Added 8 mins ago
Senior Flight Dynamics Engineer I
Rocket Lab Corporation
Littleton, CO
As a Senior Flight Dynamics Engineer I based out of Rocket Lab's site in Littleton, CO, you will perform tracking, navigation, maneuver, trajectory planning, and collision avoidance design…
Added 9 mins ago
V
Senior Solutions Engineer, Enterprise
Vanta
Remote, United States
- $224,000 to $264,000 USD / year
As an Enterprise Solutions Engineer at Vanta, you’ll lead technical engagements with our enterprise customer base & VIP logos side-by-side with our Sales team. Your main goal is to ensure…
Added 10 mins ago
Adobe Lead Business Consultant
Perficient
United States
We are seeking an experienced Adobe AEM Senior Business Consultant to bridge business strategy, digital experience requirements, and Adobe Experience Manager (AEM) solution delivery. This…
Added 12 mins ago
Sr Mechanical Development Engineer
Nokia
United States
As a Senior Mechanical Development Engineer in the Optical Modules Group, you'll collaborate closely with a dynamic team in a fast-paced in-person environment. You will play a key role in…
Added 12 mins ago
LR
Senior Environmental, Health, and Safety (EH&S) Engineer
LTA Research
Akron, OH
- $50 to $62.5 USD / hour
The Senior Environmental, Health, and Safety (EHS) Engineer will lead the development and ongoing management of EHS programs that keep employees safe and company operations in compliance…
Added 12 mins ago
MI
Product Engineer
Moog Inc
Buffalo, NY
- $75,000 to $115,000 USD / year
Reporting to the Senior Product Engineering Manager, the Product Engineer is an advanced engineering position involving a significant level of responsibility with latitude for unreviewed…
Added 13 mins ago
Lead Engineer I, Technology Engineering
KPMG LLP
Atlanta, GA
…It's also enabled by our culture, which encourages individual development, embraces an inclusive environment, rewards innovative excellence and supports our communities. With qualities like…
Added 13 mins ago
Lead Engineer I, Technology Engineering
KPMG LLP
Miami, FL
…It's also enabled by our culture, which encourages individual development, embraces an inclusive environment, rewards innovative excellence and supports our communities. With qualities like…
Added 13 mins ago
Senior Machine learning engineer, AI Authoring
Unity Technologies SF
Mountain View, CA
We are hiring a Senior Machine Learning Engineer to lead this effort. You will own the end-to-end architecture, build pipelines, systems, and models, and scale a cross-disciplinary team of…
Added 13 mins ago
Senior Application Security Engineer
Unity Technologies SF
San Francisco, CA · Mountain View, CA
We are seeking a Senior Application Security Engineer with profound expertise in application security. In this role, you will execute fundamental AppSec tasks, including threat modeling,…
Added 13 mins ago
Senior Application Security Engineer
Unity Technologies SF
San Francisco, CA
…Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching…
Added 14 mins ago
Senior Staff HW Engineer
Stryker
San Jose, CA
We are seeking a hands-on Senior Staff Hardware Engineer to join our growing Smart Care organization. In this highly technical role, you will help define, develop, and deliver…
Added 14 mins ago
Civil Engineer
Van Cleef Engineering Associates LLC
Doylestown, PA
Must have a fundamental knowledge of stormwater management and E&S design
Added 16 mins ago
Senior Platform Engineer
Mastercard
O Fallon, MO
The Senior Platform Engineer is a hands-on engineering role responsible for designing, implementing, operating, and continuously improving highly available, secure, scalable, and resilient…

Mastercard

Senior Platform Engineer

O Fallon, MO, United States

Pay Ranges O'Fallon, Missouri: $96,000 - $163,000 USD

Apply on careers.mastercard.com About employer

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Job details

Pay: Pay Ranges O'Fallon, Missouri: $96,000 - $163,000 USD
Posting language: English
Posted: Nov 12, 2026

Original 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 Platform Engineer

The Senior Platform Engineer is a hands-on engineering role responsible for designing, implementing, operating, and continuously improving highly available, secure, scalable, and resilient platform infrastructure supporting enterprise applications and distributed data environments.

This role partners closely with application, development, infrastructure, and security teams to deliver reliable platform capabilities, automate infrastructure and deployment processes, integrate evolving technologies, and improve the performance and operational efficiency of Mastercard's technology environments.

Overview

Provide world-class support and expertise to all of MasterCard’s Big Data environments.
Provide Big Data thought leadership and technology roadmaps to support MasterCard’s vision and evolution.
Purpose of the Job o Represent MasterCard’s Big Data Engineering team as a subject matter expert. o Support MasterCard’s present Big Data infrastructures. o Integrate new technologies and platforms into current environments as technologies evolve and demands change.

Role

Design, build, operate, and maintain scalable, secure, resilient, and cost-efficient cloud and platform infrastructure supporting mission-critical applications and distributed systems.
Support and continuously improve highly available Big Data and distributed computing environments, ensuring reliability, performance, capacity, availability, and fault tolerance.
Deploy, administer, troubleshoot, and optimize container-based platforms and orchestration environments, including Kubernetes.
Develop and maintain CI/CD pipelines that automate software integration, testing, security validation, and deployment processes.
Automate infrastructure provisioning, configuration, and lifecycle management using Infrastructure as Code and automation technologies such as Terraform, Ansible, or equivalent tools.
Develop software, scripts, and automation using Java, Python, or other appropriate programming languages to improve platform reliability, repeatability, and operational efficiency.
Support platform capabilities for microservices and independently deployable applications, enabling reliable and scalable application deployment.
Administer and troubleshoot Linux/Unix operating systems supporting enterprise platform environments.
Monitor platform health, capacity, availability, and performance; identify opportunities to improve scalability, reliability, efficiency, and operational resilience.
Troubleshoot complex infrastructure, application-platform, networking, distributed-system, and performance issues and drive problems through resolution.
Analyze infrastructure and platform security requirements and implement appropriate controls in accordance with Mastercard security, change-management, and regulatory standards.
Partner directly with application and development teams to understand technical requirements and provide platform solutions that meet application performance, reliability, security, and scalability needs.
Evaluate emerging technologies and capabilities and integrate appropriate solutions into existing platform environments as technology and business requirements evolve.
Create and maintain platform documentation, procedures, operational standards, and engineering best practices.
Participate in operational support for mission-critical platform environments and contribute to incident resolution, root-cause analysis, and continuous improvement activities.
Share platform engineering knowledge and provide technical guidance and cross-training to teammates.

All About You Essential Knowledge, Skills and Experience

Hands-on experience designing, building, operating, or supporting enterprise cloud and platform infrastructure.
Experience operating highly available, mission-critical distributed systems and troubleshooting complex infrastructure and platform issues.
Proficiency with Kubernetes, container technologies, and container orchestration concepts.
Experience implementing or supporting CI/CD pipelines and automated software deployment processes.
Experience with Infrastructure as Code and infrastructure automation using Terraform, Ansible, or comparable technologies.
Strong Linux/Unix administration and troubleshooting skills, including shell scripting, system diagnostics, performance analysis, and operational support.
Proficiency in at least one programming language such as Java or Python, with the ability to develop automation and platform engineering solutions.
Understanding of microservices architecture and the infrastructure requirements necessary to support scalable, independently deployable services.
Experience monitoring and managing platform availability, performance, capacity, reliability, and operational health.
Understanding of enterprise networking, infrastructure, and distributed-system concepts.
Ability to identify and implement infrastructure security requirements and controls within enterprise platform environments.
Demonstrated ability to troubleshoot complex technical problems across applications, infrastructure, operating systems, networks, and distributed platforms.
Strong written and verbal communication skills with the ability to collaborate effectively across engineering, application, infrastructure, and business teams.

Additional or Preferred Capabilities

Experience with Hadoop or other distributed data processing platforms.
Experience operating or modernizing large-scale Big Data environments.
Experience migrating applications or workloads from traditional infrastructure to cloud-native or modern platform environments.
Experience with infrastructure and configuration automation tools such as Terraform, Ansible, Chef, Python, or similar technologies.
Understanding of enterprise networking in support of large-scale IT environments.
Experience supporting large ETL or data-processing pipelines.
Working knowledge of SQL, data warehousing, or massively parallel processing technologies.
Experience with observability, monitoring, metrics, and performance-management technologies.
Understanding of statistics, machine learning, or data-intensive workloads is beneficial.

What Success Looks Like

Platform infrastructure is reliable, secure, scalable, observable, and effectively automated.
Infrastructure and application deployments are increasingly standardized through CI/CD and Infrastructure as Code.
Containerized and distributed workloads operate with appropriate availability, performance, resilience, and security.
Repetitive operational activities are reduced through software engineering and automation.
Platform capacity, performance, and reliability issues are identified proactively and resolved effectively.
Application and engineering teams receive dependable platform capabilities that allow them to deliver and operate applications efficiently.

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.

THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 02/10/2027. If the fill date has passed, Mastercard intends to fill this position as soon as possible.

Pay Ranges O'Fallon, Missouri: $96,000 - $163,000 USD

Apply on careers.mastercard.com About employer

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Jobs in the United States