Senior Platform Engineer: AI-Driven Cloud & CI/CD

ACI Worldwide; Limerick; On-site; EUR 110,000 - 150,000; Full time

Job summary

ACI Worldwide in Limerick is seeking a Senior Platform Engineer to own a platform domain end-to-end, including CI/CD, observability, and cloud infrastructure. You will lead design, reliability, and roadmaps, and mentor engineers across the domain.

This role emphasizes AI-ready infrastructure, security controls, and scalable multi-tenant services for a regulated payments environment, with strong emphasis on DevOps practices and collaboration across platform teams.

Qualifications

• Bachelor’s Degree in Computer Systems, Software Engineering or a similar subject.
• 8+ years experience in software engineering, DevOps, cloud engineering, or platform engineering roles, including experience owning a platform domain or major technical capability independently
• Strong critical thinking and ability to evaluate technical trade-offs under pressure
• Strong systems thinking and understanding of platform interactions with product ecosystem
• Solid knowledge of SaaS, cloud-native architecture, Linux, networking and distributed systems fundamentals
• Hands-on experience designing and operating resilient, multi-tenant cloud-native platform services
• Strong hands-on experience with Kubernetes or OpenShift in production environments
• Experience with Infrastructure as Code (Terraform or equivalent) and automation
• Experience with modern CI/CD practices and golden-path tooling
• Experience designing observability capabilities using logs, metrics, dashboards, alerting, and service-health indicators
• Experience implementing security, governance, or compliance controls within regulated environments
• Demonstrated ability to lead design reviews, mentor engineers, and provide technical direction
• Strong written and verbal communication skills and ability to explain decisions to stakeholders
• Experience leading incident response and post-incident reviews for production platform services

Responsibilities

• Own a platform domain end to end (e.g., CI/CD, observability, cloud infrastructure) — architecture, reliability, and roadmap for that domain
• Architect resilient, multi-tenant platform services within your domain with a balance of portability and cloud-provider leverage
• Lead design and implementation of golden-path tooling and measure its impact on developer productivity
• Set reliability targets and lead incident response and blameless postmortems
• Architect AI-ready infrastructure (GPU/inference capacity, vector infra) within your domain
• Champion AI-assisted engineering practices and integrate AI tooling into golden paths
• Design and enforce security and compliance controls within your domain for a regulated payments environment
• Mentor platform engineers and lead design reviews for your domain
• Represent your domain’s technical view to other platform teams and stakeholders
• Drive systematic reduction of toil through automation
• Understand and adhere to corporate policies
• Perform other duties as assigned

Job description

ACI Worldwide in Limerick is seeking a Senior Platform Engineer to own a platform domain end-to-end, including CI/CD, observability, and cloud infrastructure. You will lead design, reliability, and roadmaps, and mentor engineers across the domain.

This role emphasizes AI-ready infrastructure, security controls, and scalable multi-tenant services for a regulated payments environment, with strong emphasis on DevOps practices and collaboration across platform teams.