Site Reliability Engineer

Powering the world’s payments ecosystem

ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments.

As a Site Reliability Engineer in Timisoara, Romania you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem!

The purpose of the Site Reliability Engineer is:

Designing, building, and operating highly reliable, scalable systems on Microsoft Azure using GitOps and modern CI/CD practices. The Site Reliability Engineer will drive automation, observability, and operational excellence across cloud platforms, with a focus leveraging AI-powered tools to accelerate incident response, reduce toil, and strengthen system reliability.

A typical day at ACI for a Site Reliability Engineer is:

• Define and manage SLOs/SLIs, error budgets, and service reliability metrics
• Build and operate Azure-based platforms (AKS, networking, security, monitoring)
• Implement GitOps workflows (FluxCD/ArgoCD) for Kubernetes and infrastructure
• Design and maintain CI/CD pipelines (GitHub Actions/Azure DevOps), including AI-assisted code review and pipeline optimization
• Automate infrastructure using Terraform/Bicep, applying AI coding assistants (e.g., GitHub Copilot, Azure AI-based tooling) to accelerate IaC development and reduce configuration errors
• Lead incident response, root cause analysis, and reliability improvements, using AIOps and anomaly-detection tools to speed up detection, triage, and postmortem analysis
• Establish observability (dashboards, logs, metrics, tracing, alerting), integrating AI/ML-driven analytics for predictive alerting and noise reduction
• Embed DevSecOps (policy-as-code, vulnerability scanning, secrets management), including AI-assisted security scanning and threat detection
• Partner with development teams to improve deployment safety and production readiness
• Evaluate, pilot, and integrate emerging AI tools into SRE workflows to improve mean time to detection/resolution (MTTD/MTTR) and overall operational efficiency

Knowledge, Skills and Experience and Experience needed to succeed in this role:

• 3+ years in SRE, DevOps, or Platform Engineering
• Strong Azure expertise (AKS, monitoring, networking, security)
• Hands-on experience with GitOps and Kubernetes
• Proficiency in CI/CD tooling (GitHub Actions or Azure DevOps)
• Infrastructure as Code (Terraform, Bicep, ARM)
• Scripting/automation (Python, PowerShell, Bash)
• Experience with incident management and operational best practices
• Practical experience using AI coding assistants (e.g., Copilot, Claude) to write, review, or debug infrastructure and automation code
• Familiarity with AIOps platforms or AI-driven observability/monitoring tools (e.g., anomaly detection, intelligent alerting, log analysis) for proactive incident management

Core Capabilities:

We seek colleagues who embody our core capabilities — these shape our culture and enable us to make a meaningful impact together:

• Ensure Accountability: holding self and others accountable to meet commitments.

• Drives Results: consistently achieving results, even under tough circumstances.

• Customer Focus: building strong customer relationships and delivering customer-centric solutions.

• Cultivate Innovation: creating new and better ways for the organization to be successful.

• Collaborates: building partnerships and working collaboratively with others.

• Courage: stepping up to address difficult issues, saying what needs to be said.

Applicants must be currently authorized to work in Romania on a full-time basis. This position does not offer sponsorship for employment visa status or work permit now or in the future.

In return for your expertise, we offer opportunities for growth, career development, and a competitive compensation and benefits package—all within an innovative and collaborative work environment.

Are you ready to help us transform the payments ecosystem? To learn more about ACI Worldwide, visit our web site at

ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally.

Important Notice About Recruitment Scams
Job seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company ( / @aciworldwide.com). The ACI Worldwide recruitment team will always follow official channels and will never request payment.

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