Senior Security Operations Engineer
BrexSan Francisco, California, United States$192k – $240kPosted 24 February 2026
Job Description
<div class="content-intro"><p><strong>Why join us</strong></p>
<p>Brex is the AI-powered spend platform. We help companies spend with confidence with integrated corporate cards, banking, and global payments, plus intuitive software for travel and expenses. Tens of thousands of companies from startups to enterprises — including DoorDash, Flexport, and Compass — use Brex to proactively control spend, reduce costs, and increase efficiency on a global scale.</p>
<p><span style="font-weight: 400;">Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career.</span></p></div><p><strong>Engineering at Brex</strong></p>
<p>Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders.</p>
<p><strong>What you’ll do</strong></p>
<p>As a Security Operations Engineer at Brex, you will focus on preventing, detecting and responding to security threats across Brex's corporate and cloud environments. You will use existing systems and develop tools to improve our security capabilities. Our team is responsible for functions across corporate security, detection response and infrastructure security domains; and we perform systems engineering and automation to support those functions. </p>
<p>Security Operations is part of our wider Trust IT organization which means you will have the opportunity to work closely with Application Security, Corporate Engineering, GRC and IT and to improve security configurations, drive positive employee behaviors and generally work to prevent events from becoming incidents. You will also help build and maintain our team’s open source project <a href="https://medium.com/brexeng/announcing-substation-188d049d979b">Substation</a> and have the opportunity to contribute to the <a href="https://medium.com/brexeng">Brex Tech Blog</a>. You’ll be part of a team that actively contributes to the wider security community and has a commitment to mentorship and engineering excellence.</p>
<p>We’re looking for individuals with a strong background and interest in detecting, responding to, and resolving security incidents and security challenges. You should be comfortable dealing with lots of moving pieces, changing priorities, and new technologies, while having a keen eye for detail. Most importantly, you should be enthusiastic about working with a variety of backgrounds, roles, and people across Brex. Building a world-class financial service requires world-class security.</p>
<p><strong>Where you’ll work</strong></p>
<p>This role will be based in our San Francisco office. We are a hybrid environment that combines the energy and connections of being in the office with the benefits and flexibility of working from home. We currently require a minimum of three coordinated days in the office per week, Monday, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work!</p>
<p><strong>Responsibilities</strong></p>
<ul>
<li>Work on a highly cross-functional team to prevent, detect and respond to security threats across Brex's corporate and cloud environments</li>
<li>Perform security incident response, investigation, remediation, and documentation, participate in periodic threat hunting and security exercises</li>
<li>Leading, scoping and building features, participate in designing, and maintaining tools and systems which support the team’s domains – corpora ... (truncated, view full listing at source)
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