Senior MCP Portals Engineer: Secure Distributed Auth

WebHosting; Lisboa; Híbrido; EUR 66 000 - 91 000; Tempo integral

Resumo da oferta

Cloudflare in Lisbon, Portugal seeks a Senior Systems Engineer to lead design, delivery, and operation of distributed systems that authenticate users, manage OAuth credentials, and proxy MCP traffic across Cloudflare's global network.

You will own complex projects, shape security controls, and collaborate with Access, Gateway, and Developer Platform teams to evolve the MCP Portals protocol and product. This role offers a hands-on, production-focused environment.

Responsabilidades

• Lead the design, implementation, and operation of globally distributed services that connect MCP clients to authorized upstream MCP servers.
• Own complex features and service improvements from problem definition and design through implementation, rollout, observability, and production support.
• Shape technical decisions for MCP Portals, including service boundaries, security controls, compatibility, and tradeoffs among reliability, latency, and resource use.
• Evolve our implementation as the MCP specification changes, planning safe migrations for existing customers and integrations.
• Design and review authentication and authorization flows involving Cloudflare Access, OAuth, identity, credential handling, and delegated access to upstream services.
• Improve the reliability and scalability of multi-tenant systems built on the Cloudflare Developer Platform, using production data to identify and prioritize work.
• Strengthen observability through structured logs, metrics, traces, dashboards, and actionable alerts; participate in production support and incident response.
• Lead investigations of complex customer issues across services and teams, identify root causes, and drive fixes that prevent recurrence.
• Review designs and code, mentor engineers, and raise the quality of testing, deployment, and operational practices on the team.
• Partner with product, security, and engineering teams to turn customer needs and emerging standards into maintainable product capabilities.

Descrição da oferta de emprego

Cloudflare in Lisbon, Portugal seeks a Senior Systems Engineer to lead design, delivery, and operation of distributed systems that authenticate users, manage OAuth credentials, and proxy MCP traffic across Cloudflare's global network.

You will own complex projects, shape security controls, and collaborate with Access, Gateway, and Developer Platform teams to evolve the MCP Portals protocol and product. This role offers a hands-on, production-focused environment.