Senior Infrastructure Engineer

Aircall is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale. We’re redefining what a customer communications platform can be—by combining voice, SMS, WhatsApp, and AI into one seamless workspace.

Our momentum comes from a simple but powerful idea: help every customer-facing team work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call tasks, and AI Assist Pro delivers real-time guidance that helps people do their best work. The result—companies grow revenue, deliver faster resolutions, and scale service.

We’ve built a product customers love and a business that scales fast. Aircall operates in nine global offices (Paris, New York, San Francisco, Sydney, Madrid, London, Berlin, Seattle, and Mexico City), and is backed by world-class investors. Our teams are shipping AI innovation faster than ever and expanding across new product lines and markets.

At Aircall, you’ll join a company in motion—ambitious, profitable, and product-driven—where impact is visible, decisions are fast, and growth is real.

How We Work at Aircall: At Aircall, we believe in customer obsession, continuous learning, and delivering extraordinary outcomes. We value open collaboration, taking ownership, and making smart, informed decisions with speed and precision. If you thrive in a fast-paced, team-driven environment where curiosity, trust, and impact matter, you'll fit right in

As a Senior Infrastructure Engineer you'll be responsible for managing and operating our AWS Cloud Infrastructure, whilst working in deep collaboration with peers and business teams. Previous hands-on experience with AWS is a must.

Key Responsibilities::
• Deep hands-on knowledge of Cloud Infrastructure (AWS) across Compute (Containers & Serverless), Storage, Database and respective network and security concepts and a working knowledge of Infrastructure as Code solutions.
• Deep understanding of DevOps practices and tools across CI/CD, Observability, Automation within the context of delivering high quality, resilient production applications.
• Leads, with high-agency, the development of major, team-scoped, projects; drives initiatives from ideation to completion; takes responsibility for delivering outcomes.
• Proactively communicates within and outside the team and collaborates effectively cross-functionally; escalates and removes blockers. Participates in team activities as support rotations, TDD discussions, etc.
• Mentors and provides guidance to junior engineers
• Has good product knowledge of Cloud Infrastructure; proactively fills the gaps and clarifies requirements and suggests improvements based on product knowledge and technical insights.
• Writes production-ready code, finding appropriate solutions for complex challenges; leads software design discussions; Participates in code-reviews and provides constructive feedback
• Writes good-quality documentation in order to solicit and receive the best feedback on proposals.
• Ensures that the code delivered is fully tested, including edge cases, creating & maintaining excellent coverage through automated testing. Drives the performance and quality within their scope
• Implements and maintains high-quality logging, monitoring, alerting, and instrumentation. Participates in troubleshooting & resolving incidents, leads the incident management process
• Demonstrates a strong understanding of system infrastructure and DevOps principles; contributes to performance and quality within their scope; applies a security-first mindset
• Promotes engineering best practices across team’s scope.
• Actively pursues improving engineering skills, including but not limited to problem solving, writing readable/testable/efficient code, mastering technology in our stack, and anticipating scaling issues.
• Be highly productive - have a reputation for getting things done quickly and efficiently.
• Requires very little oversight from team leads or managers
• Be able to communicate well with all engineers regardless of seniority
• Interviews prospective candidates and provides thoughtful evaluations and feedback

Qualifications::
• 5+ years of experience operating AWS Infrastructure
• Monitoring & Observability with Datadog
• CI/CD: Gitlab, ArgoCD
• IaC: Terraform, Cloudformation (SAM)
• AWS datastores : RDS Aurora MySQL & PostgreSQL, DynamoDB, Neptune, S3, Redshift
• Containerization: Docker and EKS & Service Mesh - Istio

Why join us?

🚀 Key moment to join Aircall in terms of growth and opportunities
💆‍♀️ Our people matter, work-life balance is important at Aircall
📚 Fast-learning environment, entrepreneurial and strong team spirit
🌍 45+ Nationalities: cosmopolite & multi-cultural mindset
💵 Competitive salary package & equity
🏨 Medical, dental, and vision insurance is 100% covered
📈 401k plan with company matching!
✈️ Unlimited PTO — take the time you need to come to work feeling great!
⭐️ Wellness, internet, and childcare reimbursements
💚 Generous parental leave policy

DE&I Statement:
At Aircall, we believe diversity, equity and inclusion – irrespective of origins, identity, background and orientations – are core to our journey.

We pride ourselves on promoting active inclusion within our business to foster a strong sense of belonging for all. We’re working to create a place filled with diverse people who can enrich and learn from one another. We’re committed to ensuring that everyone not only has a seat at the table but is valued and respected at it by providing equal opportunities to develop and thrive.

We will constantly challenge ourselves to make sure that we live up to our ambitions around diversity, equity and inclusion, and keep this conversation open. Above all else, we understand and acknowledge that we have work to do and much to learn.

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