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About the role
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<p data-local-id="ed16040ec97e" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true" data-pm-slice="1 3 []">As a Linux Engineer in the Global Linux team, you will design, build and operate the critical infrastructure that powers our trading environment. The team owns both large-scale bare-metal Linux platforms and on-prem Kubernetes clusters across our global datacenters.</p>
<p data-local-id="64ae5e0d37d7" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">You will play a key role in evolving our Kubernetes platform while continuing to support and improve our high-performance Linux estate.</p>
<h2 data-local-id="0a13fb41e4ea" data-prosemirror-content-type="node" data-prosemirror-node-name="heading" data-prosemirror-node-block="true">What you’ll do</h2>
<p data-local-id="717873de51be" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Design, deploy and operate <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">on-prem Kubernetes clusters</strong> in a bare-metal environment (Rancher-managed)</p>
<ul class="ak-ul" data-local-id="e41c34ab-2385-4107-9b0e-e3beb1820cca" data-prosemirror-content-type="node" data-prosemirror-node-name="bulletList" data-prosemirror-node-block="true">
<li data-local-id="f536d88b-35c2-4d22-a29b-758bbcc5a63b" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="b981027f7120" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Maintain and improve our <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">bare-metal Linux infrastructure</strong>, including provisioning, lifecycle management and performance tuning</p>
</li>
<li data-local-id="fdfa1c22-ee3a-487a-8b6f-1570ece6843f" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="fa60a0a96394" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Own and operate core Kubernetes components including <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Cilium (CNI), ArgoCD (GitOps), and Rancher</strong></p>
</li>
<li data-local-id="f17fd50d-bf96-4c42-b12c-a99478ca9b33" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="ebf86605507e" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Build and maintain CI/CD workflows for infrastructure and cluster deployments using <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">ArgoCD and GitHub Actions</strong></p>
</li>
<li data-local-id="faa441f7-f040-4d43-b7c2-12824cebb49b" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="969ac02a177d" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Develop and maintain infrastructure as code using <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Terraform and bespoke on-prem systems</strong></p>
</li>
<li data-local-id="05555168-67d8-4fcd-9cb6-aaa0957e39e4" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="f7766a033007" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Participate in on-call rotation covering both Kubernetes clusters and other Linux-based production systems</p>
</li>
<li data-local-id="c783a495-8f23-4eaa-8ace-0aa94f1c5aad" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="e759e3999ba5" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Drive reliability, scalability and performance improvements across both containerized and non-containerized workloads</p>
</li>
<li data-local-id="9be0f1de-c6e1-4992-97cc-7b90a7460eea" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="8aa59352fc34" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Contribute to monitoring, observability and security posture across the Linux and Kubernetes platforms</p>
</li>
<li data-local-id="6f70a2d9d284" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="7aecbc3150e6" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Ensure the broader team can effectively operate and support the Kubernetes and Linux platforms by building clear documentation, operational runbooks, and providing practical, hands-on guidance</p>
</li>
</ul>
<p data-local-id="1f13eb9eb3b8" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true"> </p>
<hr data-local-id="f24a34ec-0f3b-413f-9c3c-16d8544ad8ef" data-prosemirror-content-type="node" data-prosemirror-node-name="rule" data-prosemirror-node-block="true">
<p data-local-id="fc94352ad216" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true"> </p>
<h3 data-local-id="89cee0190fd8" data-prosemirror-content-type="node" data-prosemirror-node-name="heading" data-prosemirror-node-block="true">Who you are</h3>
<ul class="ak-ul" data-local-id="f0003c80-3036-4f44-bb1a-dc0661dc9c15" data-prosemirror-content-type="node" data-prosemirror-node-name="bulletList" data-prosemirror-node-block="true">
<li data-local-id="4869a8ea-1342-44bb-8e2f-059537d46c54" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="d22386b04cf0" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Strong Linux systems engineering experience in production environments</p>
</li>
<li data-local-id="1d9a7069-1700-4311-94c9-6db65a337e62" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="988dc2f5211c" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Hands-on experience operating <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Kubernetes on-prem (not only managed cloud offerings)</strong></p>
</li>
<li data-local-id="b9d4808f-efd0-4216-822f-57da802be0e5" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="566acd8aee73" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Experience with:</p>
<ul class="ak-ul" data-local-id="a4a326be-2ec4-4dbb-a263-ed90ce703a9b" data-prosemirror-content-type="node" data-prosemirror-node-name="bulletList" data-prosemirror-node-block="true">
<li data-local-id="78f1b903-6952-4a7d-8b2a-b02e85dae4db" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="47e5cd959b53" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true"><strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Rancher</strong></p>
</li>
<li data-local-id="4caed732-f18a-409f-880d-a70554259f0b" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="a5041632583f" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true"><strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Cilium or other CNI technologies</strong></p>
</li>
<li data-local-id="31da1210-7a6f-42bb-beab-2ee3caa83da3" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="1a1e2bfba6ef" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true"><strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">ArgoCD (GitOps workflows)</strong></p>
</li>
<li data-local-id="61bafbd4-169f-465c-9c2d-04fdd05ff600" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="bba6614359de" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true"><strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Terraform</strong></p>
</li>
<li data-local-id="869d2c72-4c6f-4b6b-b4bf-bb6a26f34a69" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="8d0a3a4081ee" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">CI/CD systems such as <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">GitHub Actions</strong></p>
</li>
</ul>
</li>
<li data-local-id="87056040-5bb4-456f-8fd2-83f8e601bbfb" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="7c36aeb671b7" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Solid understanding of networking fundamentals (L2/L3, routing, firewalls, load balancing)</p>
</li>
<li data-local-id="0419a5f3-ff3d-4c9f-b015-3f937bc2b69d" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="94c2ba2ca007" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Experience troubleshooting performance issues across kernel, container and network layers</p>
</li>
<li data-local-id="5dd91c8b-234b-48e0-a9c8-fda4cb93d2e4" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="fb7853a1aaf4" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Production mindset with experience in incident response and post-mortem driven improvements</p>
</li>
</ul>
<p data-local-id="9b6c4c496771" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Nice to have</p>
<ul class="ak-ul" data-local-id="bbe34df0-3384-47e0-81c0-4a9e685d0987" data-prosemirror-content-type="node" data-prosemirror-node-name="bulletList" data-prosemirror-node-block="true">
<li data-local-id="62b0a155-7cfe-4ce4-9f97-c7ce56c8f314" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="67d9b91cfecb" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Experience building monitoring stacks (e.g. Prometheus, Grafana)</p>
</li>
<li data-local-id="8e3d80ed-082a-440d-95de-47dfa8cb6ffd" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="730583d2536e" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Experience with Kubernetes security controls (network policies, RBAC, policy engines)</p>
</li>
<li data-local-id="fbd269dc-55b3-443e-bd6e-6ebcb02ae2f1" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="cb84bb79f2d2" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Knowledge of low-latency or performance-sensitive environments</p>
</li>
<li data-local-id="24b2f045-bf1f-4c3a-98bb-1a22e1e4dbe4" data-prosemirror-content-type="node" data-prosemirror-node-name="listItem" data-prosemirror-node-block="true">
<p data-local-id="395f84a04524" data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true">Experience contributing to internal platform tooling</p>
</li>
</ul>
<p><em>No prior trading or financial experience is needed – our onboarding program will kick-start your career at Optiver and support you in gaining all the relevant knowledge about our business.</em></p>
<p><strong>Who we are</strong><br>At Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions. With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates. As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.</p>
<p><strong>What you'll get</strong><br>You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Motivated by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle the toughest problems in the financial markets.<br><br>In addition, you’ll receive:</p>
<ul>
<li>A performance-based bonus structure, enabling all of our employees to benefit from our global profit pool.</li>
<li>The opportunity to work alongside best-in-class professionals from over 50 different countries.</li>
<li>25 paid vacation days in your first year, increasing to 30 from your second year onwards.</li>
<li>Training opportunities, discounts on health insurance, and fully paid first-class commuting expenses.</li>
<li>Extensive office perks, including breakfast, lunch and dinner, world-class barista coffee, in-house physio and chair massages, organized sports and leisure activities, and Friday afternoon drinks.</li>
<li>Training and continuous learning opportunities, including access to conferences and tech events.</li>
</ul>
<p><strong>How to apply<br></strong>Apply directly via the form below. If you have any questions feel free to contact our Recruitment team via our <a href="https://optiver.com/contact-eu-recruitment/">recruitment inquiry form</a>.<br><br>Please note:</p>
<ul>
<li>We do not require any assistance from third-parties including agencies in the recruitment of this role</li>
<li>We cannot accept applications via email</li>
</ul>
<p><strong>Diversity statement<br></strong>Optiver is committed to <a href="https://optiver.com/diversity-statement/?_gl=1*bh82o8*_up*MQ..&gclid=EAIaIQobChMItNH9v-THiQMVyJZQBh1Kbw3YEAAYASABEgI0z_D_BwE">diversity and inclusion.</a></p>
Perks & benefits
- Medical Insurance
- Paid Time Off
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