Staff Platform Engineer — Cloud Infra & AI Systems

Claranet; Lisboa; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance (family)

Team building programs

Friendly workplace

Professional development

Job summary

Claranet is seeking a Staff Platform Engineer to join the Talent team in Portugal. You will design and operate scalable cloud platforms across AWS, GCP, and Azure, with deep experience in Kubernetes, networking, and API security.

You’ll collaborate with leadership and engineers to enable secure, cost-optimized cloud solutions and support AI-driven workloads. Ideal candidates have strong cross-functional communication, a track record of delivering robust platform services, and a passion for

Qualifications

• 3+ years of experience in Cloud Architecture, Infrastructure Engineering, or Platform Engineering.
• Proven experience with multiple cloud providers (AWS, GCP, Azure).
• Strong knowledge of distributed computing and scalable systems architecture.
• Hands-on experience with Kubernetes and container technologies (Docker).
• Advanced networking expertise (DNS, load balancing, VPCs, hybrid connectivity, routing, firewall/security groups).
• Experience with relational and non-relational databases and cloud storage solutions.
• Experience designing, integrating, securing, and managing APIs.
• IAM, OAuth2, OpenID Connect, SAML, JWT authentication/authorization knowledge.
• Cloud best practices, observability, automation, resilience, governance.
• Knowledge of FinOps and cloud cost optimization.
• Ability to review code from engineering teams.
• Understanding of AI concepts including LLMs/SLMs and AI infrastructure.

Responsibilities

• Design end-to-end cloud solutions from infrastructure to service integration.
• Engage with multiple stakeholders including tech and non-technical leadership.
• Collaborate with Talent teams to enable scalable platform capabilities for AI workloads.

Job description

Claranet is seeking a Staff Platform Engineer to join the Talent team in Portugal. You will design and operate scalable cloud platforms across AWS, GCP, and Azure, with deep experience in Kubernetes, networking, and API security.

You’ll collaborate with leadership and engineers to enable secure, cost-optimized cloud solutions and support AI-driven workloads. Ideal candidates have strong cross-functional communication, a track record of delivering robust platform services, and a passion for