Network Security Engineer Jobs

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 Counsel, Services - Privacy, AI & Data Responsibility Overview Mastercard is seeking a Senior Counsel to serve as a dedicated Canadian privacy and data responsibility counsel supporting Mastercard’s products, services, and go-to-market activities in Canada. This role will provide practical, business-oriented legal advice on Canadian privacy, AI, data protection, consumer protection, and related regulatory requirements, with a primary focus on enabling Canadian product launches and supporting remediation of existing products, services, processes, and controls to meet Canadian legal and regulatory expectations. Role The Senior Counsel will work closely with product, regional, regulatory, commercial, and global privacy stakeholders to help Mastercard bring innovative products and services to the Canadian market in a responsible, compliant, and scalable way. The role will support the identification, prioritization, and implementation of compliance controls for Canadian requirements. You will: Serve as the Canadian Data Protection Officer for our Services business Act as the lead legal advisor on Canadian privacy, AI, data protection, consumer protection, and related regulatory matters. Provide practical legal guidance to product, business, and legal teams on Ca

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 Director, Customer Success Role Summary The Director of Customer Success is responsible for the health, retention, growth, and overall success of a portfolio of strategic customer relationships. This leader oversees a team of Customer Success Managers and serves as the operational and commercial leader for their segment, ensuring customers realize measurable value while protecting and expanding revenue. The Director partners closely with Sales, Product, TAMs, Specialist Business Leaders, Operations, and Support to drive customer outcomes, manage risk, and identify growth opportunities. Key Responsibilities Customer Retention and Growth Own renewal, retention, and expansion performance across assigned accounts. Ensure customers achieve measurable business outcomes and realize value from Mastercard solutions. Identify churn risks early and lead mitigation strategies. Partner with Sales to drive expansion opportunities and support commercial negotiations. Maintain accurate forecasts for renewals, risks, and growth opportunities. Strategic Customer Leadership Oversee a portfolio of high-value customer relationships through direct engagement and team leadership. Act as an executive sponsor for strategic accounts. Guide Executive Business Reviews and customer success planning

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 Lead Middleware Solutions Architect (Java, IBM Tivoli, SWIFT, MFT, ODI, OAS) 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. Overview The Systems and Platform Architecture team is looking for a Middleware Architect to design and provide oversight for Middleware solutions through all stages of the development life cycle from bid, concept through architecture, design, build, test and delivery into production. Role Typically, the role will require the holder to: • Produce High Level Designs for Middleware architecture solutions. • Maintain the technology roadmap for Middleware related technologies in line with end of support dates. • Work closely with cross f

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 Specialist, Talent Acquisition (12 Month FTC) Overview The Talent Acquisition team is looking for a Senior Specialist, Talent Acquisition on a 12 month fixed term contract to support our Core Payments, Commercial New Payment Flows and International Marketing Communications organisations with a primary focus on sales and product recruitment across Europe. You would be responsible for managing the end to end hiring process for our candidates, sourcing great talent for our teams and proactively delivering a high-quality experience for both candidates and hiring managers alike. The ideal candidate is passionate about the candidate and hiring manager experience journey, highly motivated, intellectually curious, loves engaging and sourcing new talent, and possesses an organised mindset (with the ability to navigate complex matrix environments). All About the Role • Managing requisitions across three business units with a focus on but not limited to product and sales. • Serves as the point of contact for internal and external candidates, initial hires, business groups and divisions. • Collaborate with stakeholders to tailor strategies to attract the best talent in the external market. • Collaborating with hiring managers to create job ads for current openings. • Advertising job openings on

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 Director, Risk Management Overview: The Core Payments Strategy & Execution team tackles critical strategic opportunities and challenges across Mastercard’s most foundational business. This role is suited for a senior risk leader with a passion for payments, innovation, and operating at enterprise scale. Mastercard powers an inclusive, digital economy that makes transactions safe, simple, smart, and accessible for everyone, everywhere. Through secure data, trusted networks, and strong partnerships, we help individuals, businesses, financial institutions, and governments realize their greatest potential. Our Decency Quotient (DQ) shapes how we operate—guiding a culture of inclusion, collaboration, and integrity that enables better decisions, stronger innovation, and better outcomes. Role Description: The Director, Risk Management – Core Payments is a senior risk leader responsible for supporting the design, execution, and continuously strengthening the risk management framework supporting Mastercard’s Core Payments business. This role partners closely with business leadership and the second and third lines of defense to anticipate, mitigate, and remediate risk while enabling responsible growth. This position requires deep expertise in enterprise risk management, regulatory environments, and operational r

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 Product Manager -Technical Who is Mastercard? At Mastercard, we are revolutionizing the payments industry with cutting-edge technology. Our mission is to foster an inclusive, digital economy that empowers everyone, everywhere by making transactions safe, simple, smart and accessible. Through secure data and networks, strategic partnerships and our unwavering passion, we enable individuals, financial institutions, governments and businesses to achieve their highest potential. Our decency quotient (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. Overview The Switching Solutions team is looking for a passionate, collaborative and experienced Senior Product Manager- Technical that will provide innovative, secure, and reliable solutions for core Mastercard transaction switching systems. The ideal candidate is passionate about connecting business with technology, highly motivated, and an innovator who embraces, adopts and studies the latest technology trends. In this Role you will: Be responsible for working with various product teams across Mastercard to understand their business needs and translate to business and functional

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 Principal Product Architect Mastercard powers economies and empowers people in more than 200 countries and territories worldwide. Together with our customers, we are building a sustainable economy where everyone can prosper. Through secure, simple and accessible digital payments, our technology, partnerships and networks help people, businesses and governments reach their full potential. A2A Risk Solutions: Principal Product Architect We are seeking a Principal Product Architect to join our award-winning Account-to-Account (A2A) Risk Solutions team. Our products combine advanced data science and payments expertise to help financial institutions combat fraud and financial crime. This role will be central to designing and scaling Mastercard's global A2A Risk Solutions. Working closely with product, engineering, data science, customers, financial institutions and technology partners, you will define scalable architecture patterns, shape technology strategy and support expansion into new markets. Responsibilities Define and maintain solution architectures that align with business objectives, product requirements and architectural principles. Translate business, customer and market requirements into scalable, secure and resilient technical designs. Lead architecture for A2A fraud and f

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 Technical Program Manager Overview Are you a technical program manager who wants to work for a company that offers above and beyond benefits including paid parental leave, flexible work hours, gift matching, and even volunteer incentives? Do you want to work in an inclusive and nurturing culture that encourages your own professional learning and development? At Mastercard, our industry expertise is enhanced by our commitment to being a force for good in the world. We do well by doing good. Our core values of trust, partnership, agility and thoughtful risk taking are displayed in everything we do. Our culture of collaboration and inclusion makes our company the place where the best people choose to be. Come join us! ROLE Mastercard Data and Services (D&S) harnesses the power of Mastercard's transaction data to help Fortune 500 companies make multimillion-dollar business decisions. The D&S Data Delivery team is hiring a Senior Technical Program Manager to lead data integration strategy on some of our technically demanding client engagements. Responsibilities will include: • Proactively manage the end-to-end delivery of data engineering work on one or more client engagements, reporting out progress, ensuring dependencies are covered, overseeing the gaps between teams, processes

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 Manager, Tax Overview: This role is responsible for supporting global employment tax compliance, advisory, risk management, and project execution activities. The role serves as a key technical resource and works closely with regional stakeholders and external advisors to ensure operational excellence and compliance across global employment tax processes. Role: • Support internal stakeholders on federal, state, and local employment tax compliance activities, such as reviewing tax notices, statutory tax filings, and reconciliations • Assist in research to support tax positions, resolve multi-state withholding issues, reciprocity agreements, nonresident allocation questions, and cross-border tax implications • Assist in taxation and reporting of equity compensation and incentive plans (RSUs, stock options, ESPP, ISIP-type plans) across jurisdictions, including year-end true-ups, and recharge arrangement considerations. • Provide tax guidance to cross-functional partners on the employment tax implications of compensation, benefits, travel & expense programs, and remote/flexible work arrangements globally. • Collaborate with stakeholders to develop processes and procedures to ensure accurate tax reporting and withholdings on employee compensation and benefits including long-term incentives and bonus

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 Manager Channel Sales & Partnerships - Europe Mastercard Services, the professional services arm of Mastercard Worldwide, provides payments-focused consulting, marketing, platforms, information, loyalty and risk management services to financial institutions, retailers and government worldwide. The Data & Services team is a key differentiator for Mastercard, providing the cutting-edge services that help our customers grow. Focused on thinking big and scaling fast around the globe, this agile team is responsible for end-to-end solutions for a diverse global customer base. Centred on data-driven technologies and innovation, these services include payments-focused consulting, loyalty and marketing programs, business Test & Learn experimentation, and data-driven information and risk management services. Overview: The channel manager is a revenue-producing role that is responsible for developing and managing relationships with a defined portfolio of partners. The role is responsible for selective new partner recruitment, partner engagement in Mastercard’s channel program, joint partner business planning for specific partners, and enabling the partners’ sales resources and supporting their sales efforts. About the Role: • Meet assigned targets for revenues through new channel partners • Define the

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 Specialist, Product Express Reporting and Analytics Job Title Specialist - Product Express Reporting and Analytics 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. Overview Product Express is a no-code process orchestration and data capture platform. Product Express makes it simple, fast and transparent for Customers to adopt Mastercard products and services, directly and/or with our ecosystem partners. Customers can easily select the best payment solutions for their needs, quickly identify the right partners to implement them – when partners are relevant, and progress from application to launch with full transparency at every step. Part of Mastercard Optimization tea

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 Analyst, Media Planning Overview The US Media Analyst assists with the development, execution, and measurement of integrated media campaigns across key business priorities, product launches, and audience segments. Reporting to the US Media Director, this role partners cross-functionally with Marketing, Finance, Product, Research, and Agency teams to ensure campaigns are delivered with operational excellence. The Analyst works closely with the media agency to oversee campaign setup, execution, optimization, and reporting, helping drive effective and efficient media investments. This is an exciting opportunity for a media professional looking to expand their executional expertise while contributing to the growth of a high-profile brand and business in a fast-paced, collaborative environment. Role: Campaign Management • Support U.S. media team in planning and execution of integrated media campaigns across digital, social, video, search, programmatic, CTV and emerging channels. • Track campaign launches and ensure flawless execution. • Assist with planning deliverables, including audience sizing, channel mix, partner consideration set, budget allocation, timelines, and approvals across internal and external partners. • Work closely with the cross-functional marketing and product team

Who we are About Privy Our mission is to make privacy and user ownership the default online. We build simple, flexible application programming interfaces (APIs) and tools that help developers create products on crypto infrastructure. Privy provides the abstraction and infrastructure layer above wallets, integrating across blockchain networks, third-party providers, and Stripe products such as Treasury and Link. We solve complex technical problems while using Stripe’s global reach to support customers including Ramp, Klarna, Deel, Kraken, Hyperliquid, and Fomo. Our technology powers experiences for both mainstream users and crypto-native audiences. Learn more: [Privy and Stripe: Bringing crypto to everyone ] About the team The Account Executive, Product team connects Privy’s technology with companies building new products across fintech and crypto. The team works closely with Product, Engineering, and Go-to-Market partners to understand prospective customers’ needs, shape technical and commercial solutions, and turn market insights into product and sales strategy. Its focus includes priority segments such as neobanking, payments, and brokerages. What you’ll do As an Enterprise Account Executive you’ll own complex enterprise sales cycles and help expand Privy’s work with companies across fintech and crypto. You’ll build relationships with senior commercial and technical stakeholders, develop new opportunities, and help refine Privy’s enterprise sales approach. You’ll also contribute to Privy’s global growth strategy and represent the company at industry events. Responsibilities Partner with the Head of Go-to-Market (GTM) to build and close a strong pipeline of enterprise prospects. Develop and test outbound campaigns based on market and customer feedback. Manage a pipeline across multiple ideal customer profiles. Build deep expertise in Privy’s products and lead discovery calls with fintech prospects to understand their needs and explain Privy’s value. Own

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: Threat Disruption provides expert threat intelligence and conducts scaled operations against the adversaries attacking X. We investigate and disrupt threats across the following areas: Platform manipulation, including coordinated networks of bots attempting to pollute the information space Compromises of accounts owned by high-visibility individuals and organizations Sensitive allegations carrying reputational, legal, or geopolitical weight, including suspected foreign-linked influence campaigns Financial fraud, monetization abuse, and scam networks operating on and off X Other X Rules violations, including illegal activity and child safety We identify how adversaries circumvent our defenses, abuse product features and core services, and benefit from the abuse. Based on these investigations, we conduct sweeps to disrupt immediate threats and provide recommendations to product, engineering, and policy teams to squash systemic vulnerabilities. Where appropriate, Threat Disruption also coordinates with law enforcement and other external parties to enhance detections and support prosecution of bad actors. Come help us defend the global town square. RESPONSIBILITIES: Identify and counter sophisticated threat actors

Senior Data Scientist (FullStack Machine Learning) About Team Myntra Data Science team delivers a large number of data science solutions for the company which are deployed at various customer touch points every quarter. The models create significant revenue and customer experience impact. The models involve real-time, near-real-time and offline solutions with varying latency requirements. The models are built using massive datasets. You will have the opportunity to be part of a rapidly growing organization and gain exposure to all the parts of a comprehensive ecommerce platform. You’ll also get to learn the intricacies of building models that serve millions of requests per second at sub second latency. The team takes pride in deploying solutions that not only leverage state of the art machine learning models like graph neural networks, diffusion models, transformers, representation learning, optimization methods and bayesian modeling but also contribute to research literature with multiple peer-reviewed research papers. Roles and Responsibilities Design, develop and deploy machine learning models and algorithms to solve complex business problems for Myntra Recsys, Search, Vision, SCM, Pricing, Forecasting, Trend and Virality prediction, Gen AI and other areas. Theoretical understanding and practice of machine learning and expertise in one or more of the topics, such as, NLP, Computer Vision, recommender systems and Optimisation. Implement robust and reliable software solutions for model deployment. Set up and maintain CI/CD pipelines for automated testing and deployment. Maintain machine learning pipelines, contributing to tasks like data cleaning, feature extraction and basic model training. Collaborate with Platforms and Engineering to make sure the ML models built are deployed and integrated into the systems. Working with the Data Platforms teams for understanding and collecting the data. Write clean, maintainable and efficient code. Conduct performan