InternFlow

Greenhouse ·

full-time

Systems Engineer, MCP Portals

Cloudflare · Hybrid

Cloudflare operates a global network that secures and accelerates Internet traffic for customers ranging from individual bloggers to large enterprises. The MCP Portals team provides a centralized, Zero‑Trust gateway that lets AI agents connect safely to internal and third‑party services. As a Systems Engineer on this team you will design, build, and run the distributed services that authenticate users, manage OAuth credentials and sessions, enforce access policies, and proxy MCP traffic across Cloudflare’s edge. Day‑to‑day work includes writing backend code in languages such as TypeScript, Go or Rust, improving reliability, scalability and latency of multi‑tenant systems, adding observability through logs, metrics and traces, and participating in incident response. You will collaborate with product, security and engineering partners to turn customer needs and evolving standards into tested features. The role suits engineers with experience operating production distributed systems, strong systems‑level programming skills, a grasp of HTTP/APIs and proxy concepts, and comfort debugging live services using telemetry and customer evidence.

systems engineerdistributed systemsoauth authenticationzero trusttypescript go rustobservabilityincident responsemcp portals

Education

  • Level: Bachelor's degree
Systems EngineeringHybrid

Key Skills

TypeScriptJavaScriptGoRustC++HTTPAPIsproxiesstreaming connectionsdistributed systemsobservabilitylogsmetricstraces

Notes

Hybrid location (Lisbon, Portugal)

About the Role Cloudflare is seeking a Systems Engineer intern for the MCP Portals team to build and operate distributed systems that authenticate users, manage OAuth credentials, enforce Zero Trust policies, and proxy traffic across Cloudflare's global network. Responsibilities Design, build, and operate globally distributed services connecting MCP clients to upstream servers. Evolve implementations as the MCP specification changes. Build secure authentication and authorization flows using Cloudflare Access, OAuth, and identity management. Improve reliability, scalability, latency, and resource efficiency of multi‑tenant systems. Develop observability through structured logs, metrics, traces, dashboards, and alerts. Participate in production support, incident response, and customer issue investigation. Collaborate with product, security, and engineering partners to deliver well‑tested capabilities. Requirements Experience building and operating reliable distributed, backend, or network services in production. Strong programming skills in TypeScript, JavaScript, Go, Rust, C++ or similar systems‑oriented languages. Solid understanding of HTTP, APIs, proxies, streaming connections, and distributed‑systems failure modes. Experience debugging production systems using logs, metrics, traces, and error reporting. Ability to reason about security boundaries, credential handling, concurrency, state management, and backward‑compatible deployments. Clear written and verbal communication skills.

Skills for this role

TypeScriptJavaScriptGoRustC++HTTPAPIsproxiesstreaming connectionsdistributed systemsobservabilitylogsmetricstraces

Required skills

TypeScriptJavaScriptGoRustC++HTTPAPIsproxiesstreaming connectionsdistributed systemsobservabilitylogsmetricstraces

Also mentioned in the listing

systems engineeroauth authenticationzero trusttypescript go rustincident responsemcp portals
RoleSystems Engineer, MCP Portals
CompanyCloudflare
LocationHybrid
CompensationNot disclosed
Posted2026-09-28
DeadlineRolling

Typical process for this type of role

A general guide — the exact steps for this specific listing may vary; check the original posting for details.

  1. 1ApplicationSubmit your resume through the apply link.
  2. 2ScreeningRecruiter reviews your background against the role.
  3. 3AssessmentA technical test, assignment, or coding round, depending on the role.
  4. 4Interview(s)One or more rounds with the hiring team.
  5. 5OfferOffer letter with compensation and start date.

Before you apply

0/4

Systems Engineer, MCP Portals at Cloudflare: frequently asked questions

Who can apply for the Systems Engineer, MCP Portals role at Cloudflare?
The listing asks for Bachelor's degree; freshers are welcome.
What skills does the Systems Engineer, MCP Portals role require?
The listing highlights TypeScript, JavaScript, Go, Rust, C++, HTTP, APIs, proxies, streaming connections, distributed systems. Show each of these in a project or past role on your resume.
What is the salary for this role?
Cloudflare has not stated compensation in the listing. Check the original posting or ask during the application process.
Is the Systems Engineer, MCP Portals position remote, hybrid or onsite?
The listing marks this role as hybrid, with Hybrid as the location.
What is the application deadline?
Cloudflare has not listed a fixed deadline, so apply early in case the opening is filled.
How do I apply for the Systems Engineer, MCP Portals role?
Use the Apply button on this page. It opens the original listing on boards.greenhouse.io, where you submit your application with the company.

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