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Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!

Crusoe

Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!

full-timePosted: Dec 1, 2025

Job Description

Senior Product Security Software Engineer at Crusoe - San Francisco, CA

Role Overview

Crusoe is on a mission to accelerate the abundance of energy and intelligence, building the engine that powers a world where people can create ambitiously with AI without sacrificing scale, speed, or sustainability. As a Senior Product Security Software Engineer, you will be at the forefront of this revolution, ensuring that the infrastructure for the next era of AI and high-performance computing is built securely from the ground up. This role is a unique opportunity to shape security practices across the company by making the secure path the easy path for all engineering teams.

Day in the Life

Each day as a Senior Product Security Software Engineer will bring new challenges and opportunities. Your responsibilities will include:

  • Designing and building secure frameworks and patterns for high-performance AI workflows, agents, and models to protect Crusoe’s clients.
  • Creating reusable security patterns for product microservices, focusing on service-to-service authorization, API security, and multi-tenant data isolation that scales across product lines.
  • Developing developer-facing tools and automation that catch security issues early in the development cycle without slowing teams down.
  • Performing security reviews, penetration tests, code reviews, and system design reviews for Crusoe’s fleet of SaaS offerings.
  • Collaborating with engineering teams to integrate security best practices into their workflows.
  • Staying up-to-date with the latest security threats and vulnerabilities in AI and cloud-native technologies.

Why San Francisco?

San Francisco is a global hub for technology and innovation, making it the ideal location for Crusoe's headquarters. Being based in San Francisco offers numerous advantages:

  • Access to Top Talent: San Francisco is home to some of the brightest minds in the tech industry, providing a deep pool of talent to draw from.
  • Innovation Ecosystem: The city fosters a culture of innovation and entrepreneurship, with numerous startups, venture capital firms, and research institutions.
  • Networking Opportunities: San Francisco hosts numerous industry events, conferences, and meetups, providing ample opportunities to network with peers and learn about the latest trends.
  • Quality of Life: Despite its high cost of living, San Francisco offers a high quality of life with its vibrant culture, diverse communities, and access to outdoor activities.

Career Path

At Crusoe, we are committed to the growth and development of our employees. The Senior Product Security Software Engineer role offers a clear career path for advancement:

  • Technical Lead: Lead a team of security engineers and drive the technical direction of security initiatives.
  • Security Architect: Design and implement security architectures for Crusoe’s products and infrastructure.
  • Principal Engineer: Provide technical leadership and mentorship across the engineering organization.
  • Management: Progress into management roles within the Security team.

Salary & Benefits

Crusoe offers a comprehensive compensation package that includes:

  • Competitive Salary: The estimated salary range for this position in San Francisco is $180,000 to $260,000 per year, commensurate with experience and qualifications.
  • Restricted Stock Units (RSUs): Ownership in a fast-growing, well-funded technology company.
  • Health Insurance: Comprehensive health, vision, and dental insurance plans for you and your dependents.
  • Health Savings Account (HSA): Employer contributions to help you save for healthcare expenses.
  • Paid Time Off (PTO): Generous paid time off and parental leave policies.
  • Commuting & Professional Development Reimbursements Reimbursements offered to help with your professional growth.
  • 401(k) with Company Match: Save for retirement with a company match.
  • Crusoe Wellness Program: Resources and support for your physical and mental well-being.
  • Employee Assistance Program (EAP): Confidential counseling and support services.
  • Disability & Life Insurance: Protection for you and your family in case of unexpected events.

Crusoe Culture

Crusoe is more than just a company; it's a community of passionate and driven individuals who are committed to making a difference. Here's what you can expect from our culture:

  • Innovation: We encourage creative thinking and experimentation.
  • Collaboration: We work together to achieve common goals.
  • Impact: We strive to make a tangible impact on the world.
  • Sustainability: We are committed to responsible and sustainable practices.
  • Growth: We support the growth and development of our employees.

How to Apply

If you are a skilled and passionate software engineer with a strong background in security, we encourage you to apply for the Senior Product Security Software Engineer position. To apply, please submit your resume and cover letter through our online application portal.

Frequently Asked Questions (FAQ)

  1. What is Crusoe's mission?

    Crusoe's mission is to accelerate the abundance of energy and intelligence.

  2. What does Crusoe do?

    Crusoe crafts the engine that powers a world where people can create ambitiously with AI — without sacrificing scale, speed, or sustainability.

  3. What are the core technologies used at Crusoe?

    Crusoe utilizes Golang, Node.js, JavaScript, Docker, Kubernetes, and various cloud-native technologies.

  4. What is the work environment like at Crusoe?

    Crusoe fosters a collaborative, innovative, and impactful work environment where employees are encouraged to grow and make a difference.

  5. What kind of projects will I be working on?

    You will be working on securing AI workflows, microservices, APIs, and distributed systems.

  6. What opportunities are there for professional development?

    Crusoe provides commuting and professional development reimbursements, and supports employees in attending conferences, workshops, and training courses.

  7. What are the benefits of working in San Francisco?

    San Francisco provides access to top talent, a thriving innovation ecosystem, and numerous networking opportunities.

  8. How does Crusoe promote diversity and inclusion?

    Crusoe is committed to creating a diverse and inclusive workplace where all employees feel valued and respected.

  9. What is the interview process like?

    The interview process typically involves a phone screening, a technical interview, and a final interview with the hiring manager.

  10. What is Crusoe doing in the realm of sustainable practices?

    Crusoe is committed to responsible and sustainable practices, ensuring that technological advancements do not compromise environmental well-being.

Locations

  • San Francisco, California, United States

Salary

Estimated Salary Rangemedium confidence

198,000 - 286,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Software Engineeringintermediate
  • Product Securityintermediate
  • AI (Artificial Intelligence) Securityintermediate
  • Golangintermediate
  • Node.jsintermediate
  • JavaScriptintermediate
  • Distributed Systemsintermediate
  • gRPC Servicesintermediate
  • REST APIsintermediate
  • Microservice Architectureintermediate
  • OAuth2intermediate
  • OIDCintermediate
  • SAMLintermediate
  • JWTintermediate
  • RBAC/ABACintermediate
  • SASTintermediate
  • DASTintermediate
  • SCAintermediate
  • Semgrepintermediate
  • OWASP ZAPintermediate
  • Burpintermediate
  • GitLabintermediate
  • Runtime Application Securityintermediate
  • Observability Toolsintermediate
  • Dockerintermediate
  • Kubernetesintermediate
  • Network Securityintermediate
  • OWASP Top 10intermediate
  • Secure Coding Practicesintermediate
  • Cryptographyintermediate
  • Secure Design Principlesintermediate
  • Supply Chain Securityintermediate
  • Dependency Risk Managementintermediate

Required Qualifications

  • 7+ years of experience shipping production software with strong system design skills (experience)
  • Deep expertise in Golang and Node.js/JavaScript (experience)
  • Experience building and debugging distributed systems (experience)
  • Hands-on experience securing gRPC services, REST APIs, and microservice architectures (experience)
  • Strong background implementing authentication and authorization systems using OAuth2, OIDC, SAML, JWT, and RBAC/ABAC models (experience)
  • Production experience with application security tooling (SAST, DAST, SCA) and CI/CD integration (e.g., Semgrep, OWASP ZAP, Burp, GitLab) (experience)
  • Knowledge of runtime application security and observability tools (experience)
  • Solid understanding of cloud-native and containerized environments (Docker, Kubernetes) and network security fundamentals (experience)
  • Strong grasp of OWASP Top 10, secure coding practices, cryptography, and secure design principles (experience)
  • Experience building reusable security frameworks or internal developer platforms (Bonus) (experience)
  • Background in platform or infrastructure-adjacent security engineering (Bonus) (experience)
  • Experience influencing security practices across multiple engineering teams (Bonus) (experience)
  • Familiarity with supply chain security and dependency risk management (Bonus) (experience)

Responsibilities

  • Design and build secure frameworks and patterns for high-performance AI workflows, agents, and models to protect our clients.
  • Create reusable security patterns for product microservices, focusing on service-to-service authorization, API security, and multi-tenant data isolation that scales across product lines.
  • Create developer-facing tools and automation that catch security issues early in the development cycle without slowing teams down.
  • Perform security reviews for Crusoe’s fleet of SaaS offerings.
  • Perform penetration tests for Crusoe’s fleet of SaaS offerings.
  • Perform code reviews for Crusoe’s fleet of SaaS offerings.
  • Perform system design reviews for Crusoe’s fleet of SaaS offerings.
  • Secure the infrastructure for the next era of AI and high-performance computing.
  • Work closely with engineering teams to ensure secure development practices.
  • Ship production code related to security controls.
  • Design secure architectures for new and existing systems.
  • Create security foundations that protect our platform at scale.

Benefits

  • general: Industry competitive pay
  • general: Restricted Stock Units in a fast-growing, well-funded technology company
  • general: Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
  • general: Employer contributions to HSA accounts
  • general: Generous Paid Time Off and Parental Leave
  • general: Commuting and professional development reimbursements
  • general: 401(k) with a company match
  • general: Crusoe Wellness Program
  • general: Employee Assistance Program (EAP)
  • general: Disability insurance
  • general: Life insurance
  • general: Opportunity to be part of a team that’s setting the pace for responsible, transformative cloud infrastructure

Target Your Resume for "Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!" , Crusoe

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Tags & Categories

SecuritySoftware EngineeringAICloudGolangNode.jsJavaScriptSan FranciscoProduct Security Software EngineerAI SecurityApplication SecurityCloud SecuritySan Francisco JobsGolang DevelopmentNode.js DevelopmentJavaScript DevelopmentDistributed Systems SecuritygRPC SecurityREST API SecurityMicroservice SecurityOAuth2 SecurityOIDC SecuritySAML SecurityJWT SecurityRBAC SecurityABAC SecuritySAST ToolsDAST ToolsSCA ToolsSemgrepOWASP ZAPBurp SuiteDocker SecurityKubernetes SecurityCrusoe EnergySustainable AIHigh Performance ComputingSaaS SecuritySecure Coding PracticesCryptographySecure Design PrinciplesCI/CD SecurityNetwork SecurityGreen TechAI InfrastructureCloudEngineering

Answer 10 quick questions to check your fit for Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now! @ Crusoe.

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Crusoe logo

Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!

Crusoe

Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!

full-timePosted: Dec 1, 2025

Job Description

Senior Product Security Software Engineer at Crusoe - San Francisco, CA

Role Overview

Crusoe is on a mission to accelerate the abundance of energy and intelligence, building the engine that powers a world where people can create ambitiously with AI without sacrificing scale, speed, or sustainability. As a Senior Product Security Software Engineer, you will be at the forefront of this revolution, ensuring that the infrastructure for the next era of AI and high-performance computing is built securely from the ground up. This role is a unique opportunity to shape security practices across the company by making the secure path the easy path for all engineering teams.

Day in the Life

Each day as a Senior Product Security Software Engineer will bring new challenges and opportunities. Your responsibilities will include:

  • Designing and building secure frameworks and patterns for high-performance AI workflows, agents, and models to protect Crusoe’s clients.
  • Creating reusable security patterns for product microservices, focusing on service-to-service authorization, API security, and multi-tenant data isolation that scales across product lines.
  • Developing developer-facing tools and automation that catch security issues early in the development cycle without slowing teams down.
  • Performing security reviews, penetration tests, code reviews, and system design reviews for Crusoe’s fleet of SaaS offerings.
  • Collaborating with engineering teams to integrate security best practices into their workflows.
  • Staying up-to-date with the latest security threats and vulnerabilities in AI and cloud-native technologies.

Why San Francisco?

San Francisco is a global hub for technology and innovation, making it the ideal location for Crusoe's headquarters. Being based in San Francisco offers numerous advantages:

  • Access to Top Talent: San Francisco is home to some of the brightest minds in the tech industry, providing a deep pool of talent to draw from.
  • Innovation Ecosystem: The city fosters a culture of innovation and entrepreneurship, with numerous startups, venture capital firms, and research institutions.
  • Networking Opportunities: San Francisco hosts numerous industry events, conferences, and meetups, providing ample opportunities to network with peers and learn about the latest trends.
  • Quality of Life: Despite its high cost of living, San Francisco offers a high quality of life with its vibrant culture, diverse communities, and access to outdoor activities.

Career Path

At Crusoe, we are committed to the growth and development of our employees. The Senior Product Security Software Engineer role offers a clear career path for advancement:

  • Technical Lead: Lead a team of security engineers and drive the technical direction of security initiatives.
  • Security Architect: Design and implement security architectures for Crusoe’s products and infrastructure.
  • Principal Engineer: Provide technical leadership and mentorship across the engineering organization.
  • Management: Progress into management roles within the Security team.

Salary & Benefits

Crusoe offers a comprehensive compensation package that includes:

  • Competitive Salary: The estimated salary range for this position in San Francisco is $180,000 to $260,000 per year, commensurate with experience and qualifications.
  • Restricted Stock Units (RSUs): Ownership in a fast-growing, well-funded technology company.
  • Health Insurance: Comprehensive health, vision, and dental insurance plans for you and your dependents.
  • Health Savings Account (HSA): Employer contributions to help you save for healthcare expenses.
  • Paid Time Off (PTO): Generous paid time off and parental leave policies.
  • Commuting & Professional Development Reimbursements Reimbursements offered to help with your professional growth.
  • 401(k) with Company Match: Save for retirement with a company match.
  • Crusoe Wellness Program: Resources and support for your physical and mental well-being.
  • Employee Assistance Program (EAP): Confidential counseling and support services.
  • Disability & Life Insurance: Protection for you and your family in case of unexpected events.

Crusoe Culture

Crusoe is more than just a company; it's a community of passionate and driven individuals who are committed to making a difference. Here's what you can expect from our culture:

  • Innovation: We encourage creative thinking and experimentation.
  • Collaboration: We work together to achieve common goals.
  • Impact: We strive to make a tangible impact on the world.
  • Sustainability: We are committed to responsible and sustainable practices.
  • Growth: We support the growth and development of our employees.

How to Apply

If you are a skilled and passionate software engineer with a strong background in security, we encourage you to apply for the Senior Product Security Software Engineer position. To apply, please submit your resume and cover letter through our online application portal.

Frequently Asked Questions (FAQ)

  1. What is Crusoe's mission?

    Crusoe's mission is to accelerate the abundance of energy and intelligence.

  2. What does Crusoe do?

    Crusoe crafts the engine that powers a world where people can create ambitiously with AI — without sacrificing scale, speed, or sustainability.

  3. What are the core technologies used at Crusoe?

    Crusoe utilizes Golang, Node.js, JavaScript, Docker, Kubernetes, and various cloud-native technologies.

  4. What is the work environment like at Crusoe?

    Crusoe fosters a collaborative, innovative, and impactful work environment where employees are encouraged to grow and make a difference.

  5. What kind of projects will I be working on?

    You will be working on securing AI workflows, microservices, APIs, and distributed systems.

  6. What opportunities are there for professional development?

    Crusoe provides commuting and professional development reimbursements, and supports employees in attending conferences, workshops, and training courses.

  7. What are the benefits of working in San Francisco?

    San Francisco provides access to top talent, a thriving innovation ecosystem, and numerous networking opportunities.

  8. How does Crusoe promote diversity and inclusion?

    Crusoe is committed to creating a diverse and inclusive workplace where all employees feel valued and respected.

  9. What is the interview process like?

    The interview process typically involves a phone screening, a technical interview, and a final interview with the hiring manager.

  10. What is Crusoe doing in the realm of sustainable practices?

    Crusoe is committed to responsible and sustainable practices, ensuring that technological advancements do not compromise environmental well-being.

Locations

  • San Francisco, California, United States

Salary

Estimated Salary Rangemedium confidence

198,000 - 286,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Software Engineeringintermediate
  • Product Securityintermediate
  • AI (Artificial Intelligence) Securityintermediate
  • Golangintermediate
  • Node.jsintermediate
  • JavaScriptintermediate
  • Distributed Systemsintermediate
  • gRPC Servicesintermediate
  • REST APIsintermediate
  • Microservice Architectureintermediate
  • OAuth2intermediate
  • OIDCintermediate
  • SAMLintermediate
  • JWTintermediate
  • RBAC/ABACintermediate
  • SASTintermediate
  • DASTintermediate
  • SCAintermediate
  • Semgrepintermediate
  • OWASP ZAPintermediate
  • Burpintermediate
  • GitLabintermediate
  • Runtime Application Securityintermediate
  • Observability Toolsintermediate
  • Dockerintermediate
  • Kubernetesintermediate
  • Network Securityintermediate
  • OWASP Top 10intermediate
  • Secure Coding Practicesintermediate
  • Cryptographyintermediate
  • Secure Design Principlesintermediate
  • Supply Chain Securityintermediate
  • Dependency Risk Managementintermediate

Required Qualifications

  • 7+ years of experience shipping production software with strong system design skills (experience)
  • Deep expertise in Golang and Node.js/JavaScript (experience)
  • Experience building and debugging distributed systems (experience)
  • Hands-on experience securing gRPC services, REST APIs, and microservice architectures (experience)
  • Strong background implementing authentication and authorization systems using OAuth2, OIDC, SAML, JWT, and RBAC/ABAC models (experience)
  • Production experience with application security tooling (SAST, DAST, SCA) and CI/CD integration (e.g., Semgrep, OWASP ZAP, Burp, GitLab) (experience)
  • Knowledge of runtime application security and observability tools (experience)
  • Solid understanding of cloud-native and containerized environments (Docker, Kubernetes) and network security fundamentals (experience)
  • Strong grasp of OWASP Top 10, secure coding practices, cryptography, and secure design principles (experience)
  • Experience building reusable security frameworks or internal developer platforms (Bonus) (experience)
  • Background in platform or infrastructure-adjacent security engineering (Bonus) (experience)
  • Experience influencing security practices across multiple engineering teams (Bonus) (experience)
  • Familiarity with supply chain security and dependency risk management (Bonus) (experience)

Responsibilities

  • Design and build secure frameworks and patterns for high-performance AI workflows, agents, and models to protect our clients.
  • Create reusable security patterns for product microservices, focusing on service-to-service authorization, API security, and multi-tenant data isolation that scales across product lines.
  • Create developer-facing tools and automation that catch security issues early in the development cycle without slowing teams down.
  • Perform security reviews for Crusoe’s fleet of SaaS offerings.
  • Perform penetration tests for Crusoe’s fleet of SaaS offerings.
  • Perform code reviews for Crusoe’s fleet of SaaS offerings.
  • Perform system design reviews for Crusoe’s fleet of SaaS offerings.
  • Secure the infrastructure for the next era of AI and high-performance computing.
  • Work closely with engineering teams to ensure secure development practices.
  • Ship production code related to security controls.
  • Design secure architectures for new and existing systems.
  • Create security foundations that protect our platform at scale.

Benefits

  • general: Industry competitive pay
  • general: Restricted Stock Units in a fast-growing, well-funded technology company
  • general: Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
  • general: Employer contributions to HSA accounts
  • general: Generous Paid Time Off and Parental Leave
  • general: Commuting and professional development reimbursements
  • general: 401(k) with a company match
  • general: Crusoe Wellness Program
  • general: Employee Assistance Program (EAP)
  • general: Disability insurance
  • general: Life insurance
  • general: Opportunity to be part of a team that’s setting the pace for responsible, transformative cloud infrastructure

Target Your Resume for "Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!" , Crusoe

Get personalized recommendations to optimize your resume specifically for Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now!" , Crusoe

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

SecuritySoftware EngineeringAICloudGolangNode.jsJavaScriptSan FranciscoProduct Security Software EngineerAI SecurityApplication SecurityCloud SecuritySan Francisco JobsGolang DevelopmentNode.js DevelopmentJavaScript DevelopmentDistributed Systems SecuritygRPC SecurityREST API SecurityMicroservice SecurityOAuth2 SecurityOIDC SecuritySAML SecurityJWT SecurityRBAC SecurityABAC SecuritySAST ToolsDAST ToolsSCA ToolsSemgrepOWASP ZAPBurp SuiteDocker SecurityKubernetes SecurityCrusoe EnergySustainable AIHigh Performance ComputingSaaS SecuritySecure Coding PracticesCryptographySecure Design PrinciplesCI/CD SecurityNetwork SecurityGreen TechAI InfrastructureCloudEngineering

Answer 10 quick questions to check your fit for Senior Product Security Software Engineer Careers at Crusoe - San Francisco, CA | Apply Now! @ Crusoe.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.