We are currently looking for an experienced Senior Network & Cloud Infrastructure Engineer to join our team in Spain
We are looking for an experienced Senior Network & Cloud Infrastructure Engineer to join our team and serve as a trusted technical advisor for our enterprise customers. You will design, implement, and manage complex hybrid and cloud-native network environments while working directly with customers to ensure resilient, secure, and high-performing infrastructure. Design, deploy, and administer enterprise-grade network infrastructure including routing, switching, firewalls, and SD-WAN solutions across on-premises and hybrid environments.
Manage and optimize cloud networking components within Azure, AWS, or GCP — including VNets/VPCs, subnets, peering, VPN gateways, ExpressRoute/Direct Connect, load balancers, and security groups.
Configure and manage Network Security Groups (NSGs), firewall policies, and access control lists to enforce network segmentation and zero-trust principles.
Oversee DNS architecture, management,



and troubleshooting across internal and public-facing zones, including hybrid DNS resolution strategies.
Deploy and manage load balancing solutions (L4/L7) including Application Gateways, Azure Front Door, AWS ALB/NLB, or equivalent, ensuring optimised traffic distribution and failover.
Collaborate cross-functionally with globally distributed teams to deliver infrastructure projects on time, contributing as an effective virtual team member across time zones.
Develop and maintain technical documentation including network diagrams, runbooks, and operational procedures in English and Spanish.
Proactively identify risks, lead root cause analysis for incidents, and drive continuous improvement initiatives to enhance infrastructure reliability and performance.

6–8+ years of network administration experience in enterprise environments, with hands-on ownership of production infrastructure.
~ Deep expertise in at least one hyperscaler platform (A

📌 Senior Network (España)
🏢 HCLTech
📍 España