Senior Infrastructure Engineer (Core Infra)

TL;DR

Senior Infrastructure Engineer (Core Infra): Design, build, and maintain global distributed cloud infrastructure with an accent on scalability, reliability, and security. Focus on optimizing AWS systems, Kubernetes deployments, and Linux performance for high-load operations.

Location: Barcelona, Spain; Madrid, Spain

Company

hirify.global delivers enterprise infrastructure for the agentic era, redefining iPaaS and unifying data, applications, processes, and AI into a governed platform trusted by 50% of Fortune 500.

What you will do

• Design, build, and maintain global, distributed, resilient cloud infrastructure.
• Collaborate with engineering teams on complex platform initiatives.
• Patch and optimize open-source components for performance and security.
• Manage AWS infrastructure using Terraform and Kubernetes.
• Tune Linux systems and software for high performance and security.
• Build internal tools for engineering workflows and automation.
• Participate in architecture reviews, incident response, and performance analysis.

Requirements

• 7+ years in infrastructure or systems engineering.
• Expertise in distributed systems and cloud-native architectures.
• Strong Linux internals knowledge, including networking and performance tuning.
• Experience operating AWS infrastructure at scale.
• Proficiency with Terraform and Kubernetes.
• Understanding of network and cloud security best practices.
• Excellent analytical, troubleshooting, and communication skills.

Nice to have

• Experience with Golang for tooling.
• Familiarity with Kafka, Redis, ClickHouse, PostgreSQL.
• Observability tools like Grafana, Prometheus, VictoriaMetrics.
• Optimizing CI/CD workflows and deployments.
• Understanding of Vault or secrets management.
• Open-source infrastructure contributions.

Culture & Benefits

• Flexible, trust-oriented culture empowering ownership.
• Driven by innovation with team players building the company.
• Balance productivity with self-care in a vibrant work environment.
• Multitude of benefits inside and outside work.
• Recognized as top company for remote workers by Quartz.