Senior Security Engineer, Detection & Response

United States Digital Space LLC; Bellevue (CA); On-site; USD 187,000 - 220,000; Full time

Benefits offered by this job

100% health insurance for employees

401(k) matching

Equity ownership

Paid time off

Catered meals

Job summary

United States Digital Space LLC is seeking a Senior Security Engineer (IC5) to lead incident response and build AI-native detection platforms. You will work with SecOps, Security Engineering, and Legal to protect a large-scale fintech ecosystem.

The role requires strong cloud security, Kubernetes expertise, and the ability to reason through complex code across languages. In-person work is expected at multiple offices with 3 days/week on-site.

Qualifications

• 5+ years in Detection & Response, Incident Response, or Security Operations.
• Proven command presence leading complex incident responses under pressure with clear, action-oriented executive communication.
• Deep cloud & infrastructure expertise focusing on Kubernetes.
• Ability to fluently read, analyze, and reason through code across multiple programming languages.
• Detection engineering mastery with scalable pipelines and SOAR playbooks, plus AI-enabled security.
• Hands-on experience designing agentic AI workflows for security operations.
• Agility to thrive in high-growth, evolving threat environments.

Responsibilities

• Lead Incident Response: command security incident response workstreams with decisive leadership and rapid containment.
• Elevate Detection Rigor: build and maintain global detection catalog across cloud and Kubernetes environments.
• Drive Strategic Innovation: architect Autonomic Security Operations roadmap with AI agents and automation.
• Code & Architecture Analysis: read and reason through multi-language code to identify vulnerabilities and guide remediation.
• On-Call Support: participate in a rotating on-call schedule (1 week per rotation).

Skills

Incident Response

Cloud Security

Kubernetes

Code Reading

AI in SecOps

Executive Communication

Threat Hunting

Agile / Fast-paced

Tools

SOAR

Threat Intelligence

Job description

Join us in building the future of finance.

Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading.

About the team + role

We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. the company isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards.

About the Team

The Security Operations (SecOps) team at the company proactively safeguards our platform and millions of customers. We monitor, detect, and respond to security threats in real time while staying ahead of risks through threat intelligence, Red Team operations, and research partnerships. We are building the next generation of security operations—leveraging AI-driven automation, Autonomic Security Operations (ASO), and innovative detection frameworks to set the standard across the cybersecurity industry!

About the Role

As a Senior Security Engineer (IC5) on the Detection & Response team, you will drive our incident response strategy and build robust detection engineering frameworks. In this high-impact role, you will command high-stress incident responses, eliminate operational noise by developing an AI-native detection platform, and help shape the broader AI-agentic ecosystem for SecOps. You will work closely with cross-functional partners in Proactive Security, Security Engineering, Insider Trust, Infrastructure, Legal, and Communications to protect the company’s ecosystem.

This role is based in our Bellevue, WA, Menlo Park, CA, and Denver, CO office(s), with in-person attendance expected at least 3 days per week.

At the company, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams.

What you’ll do

• Lead Incident Response: Command security incident response workstreams with decisive leadership, rapidly containing threats, quantifying impact, and communicating effectively with leadership.

• Elevate Detection Rigor: Build, tune, and maintain our global detection catalog across our cloud and kubernetes environments to ensure high precision and actionable alerting.

• Drive Strategic Innovation: Architect our Autonomic Security Operations (ASO) roadmap, integrating AI agents and automated issue discovery to transform response capabilities.

• Code & Architecture Analysis: Read and reason through complex, multi-language codebases to identify security vulnerabilities, evaluate threat vectors, and guide remediation.

• On-Call Support: Participate in an on-call rotation (1 week per rotation) to maintain real-time operational readiness.

What you bring

• 5+ years of experience in Detection & Response, Incident Response, or Security Operations.

• Proven Command Presence: Demonstrated success leading complex incident responses under pressure with clear, action-oriented executive communication.

• Deep Cloud & Infrastructure Expertise: Advanced technical experience securing cloud environments with a focus on Kubernetes.

• Code Reasoning Skills: Ability to fluently read, analyze, and reason through code across multiple programming languages to solve complex security challenges.

• Detection Engineering Mastery: Track record of designing, tuning, and operating scalable detection engineering pipelines and SOAR playbooks, as well as leveraging AI technologies to improve speed, scale, and quality.

• AI Experience: Hands-on experience designing and implementing agentic AI workflows for security operations.

• Agility: Ability to thrive in high-growth, fast-paced environments with evolving threat landscapes.

Bonus Points

• Hands-on experience with Threat Hunting, Threat Intelligence, Vulnerability Management, or Red Team operations.

• Background in high-growth fintech, crypto platforms, or managed security service providers.

• Familiarity with DeFi/crypto, blockchain, and related technologies.

What we offer

• Challenging, high-impact work to grow your career.

• Performance-driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching.

• Best-in-class benefits to fuel your work, including 100% paid health insurance for employees with 90% coverage for dependents.

• Lifestyle wallet — a highly flexible benefits spending account for wellness, learning, and more.

• Employer-paid life & disability insurance, fertility benefits, and mental health benefits.

• Time off to recharge including company holidays, paid time off, sick time, parental leave, and more!

• Exceptional office experience with catered meals, events, and comfortable workspaces.

In addition to the base pay range listed below, this role is also eligible for bonus opportunities + equity + benefits.

Base pay for the successful applicant will depend on a variety of job-related factors, which may include education, training, experience, location, business needs, or market demands. The expected base pay range for this role is based on the location where the work will be performed and is aligned to one of 3 compensation zones. For other locations not listed, compensation can be discussed with your recruiter during the interview process.

Base Pay Range:

Zone 1 (Menlo Park, CA; New York, NY; Bellevue, WA; Washington, DC)

$187,000—$220,000 USD

Zone 2 (Denver, CO; Westlake, TX; Chicago, IL)

$165,000—$194,000 USD

Zone 3 (Lake Mary, FL; Clearwater, FL; Gainesville, FL)

$146,000—$172,000 USD

Click here to learn more about our Total Rewards, which vary by region and entity.

If our mission energizes you and you’re ready to build the future of finance, we look forward to seeing your application.

the company provides equal opportunity for all applicants, offers reasonable accommodations upon request, and complies with applicable equal employment and privacy laws. Inclusion is built into how we hire and work—welcoming different backgrounds, perspectives, and experience