Senior Infrastructure Engineer

Job description

Hey there!
We’re Fever, the world’s leading tech platform for culture and live entertainment.

Our mission? To democratize access to culture and entertainment. With our proprietary cutting-edge technology and data-driven approach, we’re revolutionizing the way people engage with live entertainment.

Every month, our platform inspires over 300 million people in +55 countries (and counting) to discover unforgettable experiences while also empowering event creators with our data and technology, helping them scale, innovate, and enhance their events to reach new audiences.

Our results? We’ve teamed up with major industry leaders like Netflix, F.C. Barcelona, and Primavera Sound, presented international award-winning experiences, and are backed by several leading global investors! Impressive, right?

To achieve our mission, we are looking for bar-raisers with a hands-on mindset who are eager to help shape the future of entertainment!

Ready to be part of the experience?

Now, let’s discuss this role and what you will do to help achieve Fever’s mission.

Behind the user-friendly iOS and Android apps and webpage that work across the world is the engineering team. We are in charge of creating, developing, improving, and maintaining all Fever services so that more people can have an amazing experience.

Location: This position is based in Madrid. Frequent travel to France will be required to support collaboration with local teams and stakeholders.

About the role

We are looking for a Senior Infrastructure Engineer to join our Infrastructure & Platform team.

In this role, you will be responsible for designing, implementing, and operating highly available, scalable, and secure infrastructure solutions across AWS cloud environments and on-premise datacenters.

You will play a key role in driving the evolution of our hybrid cloud strategy, ensuring seamless integration between cloud and on-premise systems while supporting business-critical services at scale. This position combines deep expertise in cloud infrastructure, networking, storage, virtualization, automation, and operational excellence.

As a senior member of the team, you will contribute to infrastructure architecture, mentor engineers, lead technical initiatives, and collaborate closely with Platform Engineering, Security, DevOps, and Software Engineering teams.

This role is ideal for experienced infrastructure professionals who enjoy working across both cloud-native and traditional enterprise environments, combining hands-on technical work with architectural ownership and technical leadership.

What you'll do

• Design, deploy, and maintain core hybrid infrastructure across on-premise datacenters and AWS environments.
• Support the implementation and operation of secure, high-availability hybrid cloud connections.
• Administer foundational AWS services including EC2, VPC, S3, IAM, RDS, Route 53, and ELB/ALB.
• Configure secure networking and connectivity between cloud and datacenter environments using AWS Direct Connect, Transit Gateway, VPNs, and VPC Peering.
• Manage Linux (RHEL, Ubuntu) and Windows Server infrastructure platforms and core networking services (DNS, DHCP, Active Directory, LDAP).
• Administer virtualization environments (VMware vSphere/ESXi, Hyper-V, or KVM).
• Handle physical datacenter operations, including server hardware maintenance, rack management, and operator room operations.
• Perform occasional travel to physical datacenters for hardware intervention, maintenance, and infrastructure projects.
• Deploy, maintain, and troubleshoot basic production Kubernetes clusters and containerized applications.
• Assist storage operations, backups, SAN/NAS management, and disaster recovery execution.
• Support Infrastructure as Code (IaC) deployment workflows using Terraform.
• Maintain network security through firewalls, VLAN configurations, and routing policies.
• Monitor system health, performance, and security across both cloud and on-premise systems.
• Assist in cloud migration initiatives, capacity planning, and basic cost optimization efforts.
• Collaborate with cross-functional, distributed teams to ensure operational continuity and security compliance (GDPR, ISO 27001).
• Produce and maintain clear technical documentation in English.

About you

You are an experienced infrastructure professional with a cloud background and a passion for building reliable, secure, and scalable systems.

You enjoy solving complex technical challenges, balancing operational excellence with strategic thinking, and collaborating with stakeholders across multiple teams and geographies.

You are comfortable taking ownership of critical infrastructure initiatives while helping others grow through mentorship and technical leadership

Requirements

Language Requirements

• English: Professional working proficiency (B2 or higher) – Mandatory.
• Spanish: Native or full professional proficiency (C1 or higher) – Mandatory.
• Strong written and verbal communication skills for collaborating with global, multicultural teams.

Experience & Availability

• 5+ years of hands-on experience in systems and infrastructure engineering.
• 2+ years in production environments using cloud preferably AWS.
• Proven track record designing, building, and maintaining hybrid cloud architectures (preferably AWS + On-Premise integration).
• Basic Hands-on experience deploying, managing, and troubleshooting Kubernetes clusters in production environments.
• Basic experience operating in international, distributed, and cross-functional teams.
• You must reside in Madrid.
• Availability to travel: Occasional travel required to physical data centers for hardware management, maintenance, or infrastructure projects.

Basic AWS Technical Skills (Must have)

• Core Services: EC2, VPC, S3, IAM, RDS, Route 53, ELB/ALB.
• Networking & Connectivity: Transit Gateway, Direct Connect, Site-to-Site VPN, VPC Peering.

Basic AWS Technical Skills (Nice to have)

• Container Orchestration: Amazon EKS (cluster setup, node groups, ingress, security, scale management) and ECS.
• CDN: CloudFront or Cloudflare
• Identity & Governance: IAM policies, AWS IAM Identity Center (SSO), AWS Organizations.
• Observability: CloudWatch, CloudTrail, AWS Config.
• Infrastructure as Code (IaC): Advanced Terraform or CloudFormation.
• Serverless: Lambda, API Gateway, Step Functions.

On-Premise & Datacenter Technical Skills (Must have)

• OS Administration: Linux (RHEL, Ubuntu) and Windows Server.
• Virtualization: VMware vSphere/ESXi, Hyper-V, or KVM.
• Datacenter & Hardware: Physical server maintenance, rack management, datacenter operations, and operator room management.
• Networking: TCP/IP, routing, switching, firewalls, VLANs, Active Directory, DNS, DHCP, LDAP.

On-Premise & Datacenter Technical Skills (Nice to have)

• Kubernetes & Containerization: Production management of self-hosted or bare-metal Kubernetes clusters (RKE, OpenShift, K3s, microK8s, or upstream Kubernetes), Docker, and Containerd.
• Storage & Backup (NetApp Ecosystem): SAN/NAS (iSCSI, NFS), ONTAP, SnapMirror, SnapVault, SnapCenter, BlueXP, Cloud Volumes ONTAP, FabricPool cloud tiering, or other persistent storage management for Kubernetes and Linux (NetApp Astra Trident / CSI drivers).
• Firewalling: Iptables, Pfsense, Fortinet or any other Firewall Appliance.
• WAF: AWS WAF, Cloudflare, Datodome or Imperva.

Basic Hybrid Architecture & Migration knowledge:

• Architecting secure, high-availability hybrid connections.
• Workload migration strategies (Lift-and-Shift, Re-platforming, Re-architecting).
• Capacity planning, performance tuning, and cross-environment cost optimization.

DevOps, Automation & Security (Nice to have)

• Container Ecosystem & Tooling: Helm, Kustomize, Ingress Controllers (Nginx, Traefik), Cert-Manager.
• Scripting & Automation: Python, Bash, Ansible.
• CI/CD & Version Control: Git, Jenkins, GitHub Actions, GitLab CI, or AWS CodePipeline.
• Monitoring & Logging: Prometheus, Grafana, ELK Stack, Datadog, or Splunk.
• Security & Compliance: Security hardening best practices, ISO 27001, SOC 2, and GDPR awareness.

Soft Skills

• Strong architectural vision, analytical problem-solving, and technical decision-making.
• Ability to translate complex technical concepts for non-technical stakeholders.
• Proactive mindset with autonomous execution in distributed setups.
• Strong documentation and knowledge-sharing mindset.

Nice to Have

• AWS Certifications: Solutions Architect (Associate or Professional), SysOps Administrator, or DevOps Engineer.
• Kubernetes Certifications: CKA, CKAD, or CKS.
• Hands-on experience with Multi-Cloud setups (Azure or GCP).
• GitOps practices and continuous deployment tools (ArgoCD, Flux).

Education

• Bachelor's or Master's degree in Computer Science, Telecommunications, or related engineering field (or equivalent hands-on experience).

Benefits & Perks

• 40% discount on all Fever events and experiences.
• Home office friendly anywhere in Spain.
• Responsibility from day one and professional and personal growth.
• Great work environment with a young, diverse team of talented people to work with!
• Health insurance and other benefits such as Flexible remuneration with a 100% tax exemption through Cobee's platform.
• English Lessons.
• Gympass Membership.
• Possibility to receive in advance part of your salary through Payflow.
• Attractive compensation package consisting of base salary and the potential to earn a significant bonus for top performance.
• Total Compensation: 65-75k (Including Base and Variable)

About the process

Fever aims to provide the best-fastest possible experience to our candidates. This is how it would look like:

• Talent Interview - 1h: An intro to Fever, our culture and a conversation about your background and experience.
• Technical Assignment: Your opportunity to demonstrate all you know! We would like to receive it back within 7 days.
• Team Interview - 1.5h: A discussion about your proposed solution to the technical challenge. And your opportunity to ask anything you need to know about your day to day at Fever.

Thank you for considering joining Fever. We cannot wait to learn more about you!

If you want to learn more about us: Fever's Blog | Tech.Eu |TechCrunch

Fever is committed to creating an inclusive and diverse workspace where everyone's background and ideas count. Our main goal is to find the best possible talent regardless of place of birth, racial or ethnic origin, gender, gender identity, religion, opinion, sexual orientation, disability, pregnancy, marital status, age or caring responsibilities. We encourage everyone to apply!

If you require any kind of accommodation during the selection process please contact our Talent team so we can help you by providing a welcoming and seamless journey.

If you want to know more about how Fever processes your personal data, click here Fever - Candidate Privacy Notice