Senior DevOps Engineer

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 DevOps Engineer

Overview
AI & Decision Product Enablement team is seeking a highly skilled Senior DevOps Engineer with a strong focus on infrastructure preparation and automation. You will play a crucial role in designing, implementing, and managing our infrastructure to ensure seamless deployment and scalability of our applications. Your expertise will help bridge the gap between development and operations, enabling a streamlined workflow and enhancing system reliability.
· Are you a born problem solver who loves to figure out how something works?
· Are you a CI/CD geek who loves all things automation?
· Do you have a low tolerance for manual work and look to automate everything you can?
Our team is looking to strengthen by bringing in someone who is an advocate for change & standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must.

Mission
AI & Decision Product Enablement team requires a candidate who can take on the responsibilities of DevOps for critical products, working closely with the development, operations, and management teams to ensure our release cycles are well managed, automated and fit for purpose in an environment where release standards are constantly being improved and collaboration with the release teams is essential, focus on improving the observability, resilience, performance, monitoring, self-healing, and deployment automation.

Responsibilities:
· Implement solutions to manage VM infrastructure via code.
· Engage and improve the lifecycle of our services - from design to deployment, operation, and refinement.
· Scale systems sustainably through mechanisms like automation and evolve systems by pushing for changes that improve reliability and velocity.
· Release deployments that have suitably passed quality and security gateways.
· Debug, optimize code, and automate routine tasks.
· Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operations, and refinement.
· Support services before they go live through activities such as system design consulting, capacity planning and launch reviews.
· Maintain services once they are live by measuring and monitoring availability, latency, and overall system health.
· Scale systems sustainably through mechanisms like automation and evolve systems by pushing for changes that improve reliability and velocity.
· Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating.
· Practice sustainable incident response and blameless post-mortems.
· Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover.
· Analyse and develop observability enhancements to our products monitoring and alerts that help in reducing MTTM.
· Onboard tech assets to real time monitoring tools such as Dynatrace and Prometheus.
· Onboard tech assets to synthetic data transactions, and health checks for auto-failover / failback.
· Enhance our releases deployment automation, rolling deployment, and auto-validations.
· Provide new capabilities to support CI/CD enhancements.
· Share knowledge and mentor junior resources.

Technical Skills:
· Required – Strong communication and collaboration skills.
· Required – Understanding of Windows/Linux operating systems.
· Required – Experience in monitoring and logging tools e.g. Prometheus, Splunk, Dynatrace, etc.
· Required – Experience in monitoring as a code e.g. SplunkSync, rolling deployment and release automation e.g. XLR.
· Required – Knowledge of building CI/CD pipelines with hands on work done on building pipelines using Jenkins.
· Required – Good understanding of Chef, preferably Chef Habitat, Ruby/Bash scripting.
· Required – Awareness of security implementations, certificate management lifecycle, mutual TLS, SSL handshake, SSH keys, symmetric and asymmetric encryptions.
· Required – Understanding of API authentication mechanisms such as OAuth and MTLS
· Required – Basic understanding of network protocols, network security, WAF.
· Required – Problem solver and solution-seeking approach. Team player.
· Bonus Skill – Experience with cloud infrastructure management and automation, preferably Azure but AWS also helpful.
· Bonus Skill – Experience programming in at least one of the following languages: Java, Ruby, Python, Bash
· Bonus Skill – Experience deploying and scaling distributed systems on virtual machines.
· Bonus Skill – Experience in using Docker, Kubernetes, and other container orchestration tools for deploying and managing applications

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.