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Senior Infrastructure Engineer



Other Engineering
Prague, Czechia
Posted on Friday, May 24, 2024

Our Purpose

We work 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. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Title and Summary

Senior Infrastructure Engineer

Mastercard is a global technology company behind the world’s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless®. We ensure every employee has the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you. We believe in connecting everyone to endless, priceless possibilities.

SessionM, an Engineering team within Mastercard Company, builds and maintains a Cloud-based SaaS platform empowering the world’s most innovative brands to forge stronger and more profitable customer relationships. Our SaaS platform powers loyalty & rewards programs and scales for the enterprise, globally. SessionM is currently expanding our Product and Development Boston Hub and are looking for best talents to be an integral part of our Engineering team.

Infrastructure Engineering team is responsible for building and maintaining tools to ensure our applications meet SLA's and help maximum security, scalability and performance.

Role responsibilities:
• Designing and contributing to infrastructure improvements, architecture, development, and monitoring our global distributed platform.
• Developing infrastructure as code and maintaining common tools and infrastructure, such as CI/CD pipelines, monitoring, cluster management, config management, etc.
• Writing code and contributing to the software architecture of a highly concurrent, high-throughput IaC abstraction layer on AWS.
• Facilitating teams contributions to sustain and improve operation and culture.
• Participate in on-call rotations to ensure our service level SLA’s are met 24x7.
• Assist with organization wide security considerations.
• Continue to automate (Infrastructure as code) common operations tasks to develop new run-books.

Skills you will need:
• Minimum 4-5 years of Cloud Engineering or DevOPs work experience.
• Minimum 3-4 years experience with AWS or other Cloud providers.
• Minimum 3 years experience with Terraform.
• Minimum 3 years experience in managing AWS container orchestration services such as ECS or EKS
• Experience in AWS networking, firewall implementation (AWS Firewall or Palo Alto Cloud Firewall), Shield, WAF
• Experience with AWS security, Firewall Policies, IAM and policy creation
• Minimum 3 years experience with Terraform.
• Strong debugging experience
• Ability to code/script using either Python, Ruby, GolLng, or similar;
• Experience with configuration automation tools like Puppet or Chef;
• Administrating Linux or/and Windows operating systems;
• Communication and analytical skills;
• Ability to influence others, build relationships, manage conflicts, handle negotiations, and have fun!

Additional skills that will help you to stand out:
• Organizational and project management skills;
• Experience with monitoring tools such as SignalFX/Splunk, CloudWatch or Elastic Search or Dynatrace
• Experience with troubleshooting databases, such as MySQL or MSSQL.
• Courage to take initiative and cope with challenges daily.
• Experience in Enterprise SaaS platforms.
• Exposure to continuous integration/delivery tools like Jenkins or Gitlab.

What to expect from us:
• Fast-moving and supportive company and a collaborative team;
• Challenging tasks and projects;
• Inclusive culture where your curiosity and individuality are valued;
• Career path and learning opportunities to support your professional development.

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.