Site Reliability Engineer - Cloudflare & Ingress - Core Infrastructure at Kraken answer
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Job Description
<h1><strong>Building the Future of Open Finance</strong><br /></h1><p style="min-height:1.5em">Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system.</p><p style="min-height:1.5em"><br />Before you apply, we encourage you to explore our <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.kraken.com/culture"><u>culture page</u></a> to understand what drives us and how we work.</p><h2><strong>The team</strong></h2><p style="min-height:1.5em">Founded in 2011, Kraken is one of the world's longest-standing crypto platforms, trusted by over 10 million individuals and institutions across the globe. It offers spot trading, margin, futures, staking, and OTC services, with products built for both individual investors and institutional clients.</p><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><p style="min-height:1.5em">Join our engineering team as a Senior Site Reliability Engineer focused on the edge and ingress layer that fronts our platform — the systems that stand between the public internet and our services. You will own the design, hardening, and operation of our Cloudflare edge configuration and our ingress/reverse-proxy stack, ensuring traffic reaches our applications securely, reliably, and at scale.</p><p style="min-height:1.5em">As a member of the SRE team, you will guarantee the availability, performance, low-latency, security, and cost efficiency of our edge and ingress infrastructure. This is an excellent opportunity for an engineer who is passionate about edge networking, application security, load balancing, and building self-service automation for dozens of engineering teams operating mission-critical financial services.</p><p style="min-height:1.5em">You will work closely with Security Engineers, NetOps, Platform teams, and Software Engineers to improve operational excellence for how traffic enters and moves through our environment, while mentoring other engineers and raising the bar on edge and ingress reliability practices.</p><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><h2><strong>The opportunity</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Own and evolve our Cloudflare edge configuration across Accounts and Zones, including WAF rules, custom Rulesets, Bot Protection, and Rate Limiting policies.</p></li><li><p style="min-height:1.5em">Design and maintain DNS architecture in Cloudflare, including zone delegation, record hygiene, and change management at scale.</p></li><li><p style="min-height:1.5em">Implement and operate mTLS with Authenticated Origin Pulls, private PKIs, and manage the certificate lifecycle (issuance, rotation, renewal) across Cloudflare and origin infrastructure.</p></li><li><p style="mi