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Senior Software Engineer, Security

Crusoe · San Francisco, California

Location
San Francisco, California, USA
Employment
Full time
Level
Senior
Posted
3 months ago

About this role

Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack - from electrons to tokens - to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster.

We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that - with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI.

We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.

If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.

About the Role:

As a Senior Security Software Engineer at Crusoe, you will design, build, and deploy scalable services, platforms, and tools that provide the foundational technical capabilities for product security controls, PKI, and Secrets Management. The core charter of this role is to implement automation that eliminates manual steps involved in understanding, remediating, and preventing security risks across the enterprise.

This work sits at the intersection of production engineering systems and complex security automation, translating technical security requirements into highly scalable, reliable, production-grade infrastructure. You will take end-to-end ownership of your technical systems, spanning detailed software design, development, thorough testing, and robust deployment via automated integration pipelines (CI/CD), ensuring our security systems are highly available and operate effectively at scale.

What You'll Be Working On:

  • Build & Deploy: Implement and maintain scalable, robust distributed software components and security controls that scale within Crusoe's CI/CD pipelines.

  • Platform Security: Engineering and maintaining robust PKI and Secrets Management solutions to secure infrastructure, identities, and sensitive configurations at scale.

  • Data & Control Pipelines: Develop control integrations and data pipelines to collect, normalize, and manage security telemetry and risk posture across identity systems (IAM), log streams, and vulnerability scanners.

  • Metrics & Dashboards: Build metrics engines, real-time dashboards, and automated insights pipelines that provide continuous visibility into technical risk posture and emerging infrastructure risks.

  • Cross-Functional Collaboration: Partner directly with platform engineering and security domain experts to understand technical requirements and deliver durable, operational solutions under full engineering ownership.

  • Engineering Excellence: Champion high-quality code standards within the team through rigorous code reviews, automated testing, comprehensive technical documentation, and proactive operational monitoring.

  • On This Team, You Will

    • Tackle complex security and compliance puzzles at cutting-edge scale within cloud and distributed infrastructure.

    • Collaborate with a brilliant, multidisciplinary team of engineers who are redefining security assurance for modern infrastructure.

    • Have the freedom, autonomy, and responsibility to innovate, experiment, and contribute to how Crusoe establishes its core security assurance pipelines.

    What You'll Bring to the Team:

    • Education: Bachelor’s degree in Computer Science, Information Security, a related technical field, or equivalent practical job experience.

    • Software Engineering: 5+ years of professional software development experience, with a solid foundation and hands-on, production experience in languages like Go.

    • Orchestration & Containers: 3+ years of hands-on experience deploying, managing, and troubleshooting Kubernetes clusters in a production environment.

    • System Experience: Solid experience building high-QPS, critical distributed software applications or microservices.

    • Cloud Infrastructure: Strong hands-on experience operating within major public cloud provider environments (such as AWS or GCP).

    • CI/CD & IaC: Active, hands-on familiarity with modern continuous integration/continuous deployment pipelines and Infrastructure-as-Code (IaC) tools.

    • Data Architecture: Strong experience contributing to technical architectures involving structured data flows, event-driven architectures, access control models, and third-party API integrations.

    Bonus Points

    • Familiarity with foundational security and compliance control models (e.g., SOC 2, ISO 27001).

    • Experience developing tools or data pipelines utilizing cloud-native streaming and event infrastructure.

    • Strong debugging and systems-level troubleshooting skills in public cloud networks.

    • Experience engineering and maintaining foundational platform security tools, including PKI infrastructure and Secrets Managers (e.g., HashiCorp Vault).

    Benefits:

    • Competitive compensation and equity packages

    • Restricted Stock Units

    • Paid time off, paid holidays & leave of absence programs

    • Comprehensive health, dental & vision insurance

    • Employer contributions to HSA account

    • Paid parental leave

    • Paid life insurance, short-term and long-term disability

    • Professional development & tuition reimbursement

    • Mental health & wellness support

    • Commuter benefits (parking & transit)

    • Cell phone stipend

    • 401(k) Retirement plan with company match up to 4% of salary

    • Volunteer time off

    • Global travel insurance & emergency assistance

    • Daily meals allowance

    • Additional perks & programs specific to location

    Compensation Range

    Compensation will be paid in the range of up to $175,000 - $210,000 + Bonus. Restricted Stock Units are included in all offers. Compensation to be determined by the applicant's knowledge, education, and abilities, as well as internal equity and alignment with market data.

    Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

    As published by Crusoe. Applications are handled on their site.

    Skills this posting mentions

    Cloud ServicesSOA/MicroservicesData Engineering

    About Crusoe

    Crusoe is building the World’s Favorite AI-first Cloud infrastructure company. We’re pioneering vertically integrated, purpose-built AI infrastructure solutions trusted by Fortune 500 companies to power their most advanced AI applications. Crusoe is redefining AI cloud infrastructure, with a mission to align the future of computing with the future of the climate. Our AI platform is recognized as the “gold standard” for reliability and performance. Our data centers are optimized for AI workloads and are powered by clean, renewable energy.

    All 371 openings at Crusoe

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    Queue Senior Software Engineer, Security and I read the posting, rewrite your resume against it, draft the cover letter, and score the fit. Then you press send, or press one button and I fill in Crusoe’s form for you.

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    Drop a resume or a LinkedIn URL. I rank the live openings against it, rewrite the resume and write a cover letter for the best of them, and fill in the employer's form when you press the button. You read, you decide what goes out.

    1. 01Drop your resume

      A PDF or a LinkedIn URL. About a minute, once.

    2. 02I rank the openings

      Every weekday morning, the live catalog scored against your history. Up to 20 worth your time, not two hundred links.

    3. 03Each one is written up

      Resume rewritten for the posting, a cover letter, a fit score. Press send, or let me fill in the form.

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    • Every bullet stays inside what your history supports. Nothing invented.
    • Queued, submitted, interviewing, offer: one screen, not a spreadsheet.

    500 free credits on sign-up. No card. Nothing is sent until you say so.

    Listed from the job board Crusoe publishes. Refolk is not the employer and does not handle their hiring. Applications go to Crusoe directly.