Principal Systems Engineer, FL jobs in United States
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Cloudflare · 1 month ago

Principal Systems Engineer, FL

positionHybrid
timeFull-time
remoteHybrid
seniorityLead/Staff

Cloudflare is on a mission to help build a better Internet, and they are seeking a Principal Systems Engineer to play a pivotal role in evolving their core web server. This role involves innovating and building a platform that empowers teams across the company while ensuring operational excellence.

AnalyticsEnterprise SoftwareSecurityWeb Hosting
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H1B Sponsor Likelynote

Responsibilities

You will coordinate efforts across multiple teams to design, build, and deploy new features that enhance the availability, safety, and reliability of our edge network
Your primary focus will be on building a high-performance platform with a keen eye on operational excellence
This includes defining and implementing clear Service Level Objectives (SLOs), monitoring key metrics, and managing error rates to ensure a robust and reliable system

Qualification

RustSoftware architectureDistributed systemsPerformance engineeringWeb protocolsWeb securityContinuous improvementCommunication skillsCollaboration skills

Required

Deep expertise in Rust, with a history of building complex, production-grade applications
Strong competencies in computer science, including a solid understanding of algorithms, data structures, and concurrency control
Experience with performance engineering and a proven track record of optimizing high-throughput, low-latency systems
Excellent communication and collaboration skills to drive consensus and coordinate with diverse engineering teams
A passion for continuous improvement in both operations and product development

Preferred

A deep understanding of web protocols and web servers
Experience with distributed systems architecture
Knowledge of web security issues and industry standards
Familiarity with Prometheus for monitoring and alerting

Company

Cloudflare

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Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
dateFounded in 2009
location
San Francisco, California, USA
people-size1001-5000 employees
web-link
http://www.cloudflare.com

H1B Sponsorship

Cloudflare has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (117)
2024 (115)
2023 (66)
2022 (98)
2021 (83)
2020 (37)

Funding

Current Stage
Public Company
Total Funding
$2.08B
Key Investors
Franklin TempletonFidelityUnion Square Ventures
2025-06-13Post Ipo Debt· $1.75B
2019-09-12IPO
2019-03-12Series E· $150M

Leadership Team

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Matthew Prince
CEO & Co-Founder
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Lee Holloway
Co-Founder & Lead Engineer
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Recent News

Pulse 2.0
Cloudflare Acquires Astro To Expand High-Performance Web Development Push
2026-01-17
The New Stack
Cloudflare Acquires Team Behind Open Source Framework Astro
2026-01-17
Tech Startups - Tech News, Tech Trends & Startup Funding
Cloudflare acquires UK startup Human Native to build AI data marketplace for content creators
2026-01-17
Company data provided by crunchbase