{"id":1466789,"url":"https://alion.io/job/mastercard-principal-devops-engineer-decision-management-platform","title":"Principal DevOps Engineer - Decision Management Platform","company":{"id":252,"name":"Mastercard","domain":"mastercard.com","url":"https://alion.io/company/mastercard","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":92,"open_postings":167,"ghost_share":0.024,"stale_share":0.407,"repost_share":0.084,"time_to_fill_p50_days":21,"computed_at":"2026-10-06T05:45:30Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":85000,"max_usd":208000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":725},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Bash","optional":false},{"name":"CI/CD","optional":false},{"name":"CloudFormation","optional":false},{"name":"Docker Compose","optional":false},{"name":"FinOps","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Grafana","optional":false},{"name":"Helm","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Loki","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Splunk","optional":false},{"name":"Terraform","optional":false},{"name":"Docker","optional":true}],"status":"live","first_seen_at":"2026-09-29T15:04:35Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-06T22:44:29Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Our Purpose\nMastercard 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.\nTitle and Summary\nPrincipal DevOps Engineer - Decision Management PlatformOverviewJoin Mastercard’s Services Technology organization as a DevOps Principal Engineer for the Decision Management Program (DMP)-a patented, real-time decisioning platform that powers fraud prevention, risk scoring, and identity verification across the global payments network. The platform processes billions of transactions each month, consistently delivering results in milliseconds to support mission critical business solutions.\nRole\nIn this role you will design systems to enable deployment and management of critical high-volume, low-latency financial systems into public and private cloud environments. You will work with global engineering teams to drive DevOps initiatives across the platform utilizing a highly scalable architecture leveraging In-Memory data grids and real time processing technologies.\nThis is a unique opportunity to shape the future of Mastercard’s decisioning ecosystem-advancing innovative, high-performance solutions and driving engineering and operational excellence across a critical real-time platform\nArchitect, provision, and manage public and on-prem cloud infrastructure, including containerized and virtualized systems\nDesign, build, and optimize CI/CD pipelines to enable fast, safe, and repeatable delivery of complex distributed systems across a global network of data centres.\nCollaborate cross-functionally with R&D teams to design scalable systems, troubleshoot complex issues, and support new product initiatives.\nChampion Infrastructure as Code principles using tools like Terraform and CloudFormation.\nDrive observability and reliability through monitoring, logging, and alerting systems (Prometheus, Grafana, Druid, Splunk etc.).\nFoster innovation and continuous improvement, adopting new tools and practices to increase efficiency, scalability, and cost optimization.\nContribute to hands-on coding and automation efforts when needed - lead by example.\nPartner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.\nAll About You\n8+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a technical leadership capacity.\nStrong Linux systems administration background\nDeep familiarity with AWS cloud environments.\nProven experience with container orchestration and tooling (Kubernetes, Helm, Docker Compose).\nHands-on experience with infrastructure-as-code (Terraform, CloudFormation).\nStrong understanding of CI/CD pipelines (GitHub Actions, Jenkins, XLR etc.).\nProficient in scripting and programming (Bash, Python, Java).\nExperience with monitoring and observability platforms (Prometheus, Grafana, Druid, Splunk, Loki).\nExcellent communication skills and the ability to work effectively with Developers, QE, Operations and support teams.\nExperience with FinOps or cost optimization in cloud environments\n• Demonstrated ownership mindset, prioritization skills, and ability to thrive in a fast-paced, multi-tasking environment.\nCorporate Security Responsibility\nAll 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:\nAbide by Mastercard’s security policies and practices;\n\nEnsure the confidentiality and integrity of the information being accessed;\n\nReport any suspected information security violation or breach, and\n\nComplete all periodic mandatory security trainings in accordance with 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