Crusoe Energy Systems LLC logo

Staff Software Engineer, Security

Job Overview

Location

San Francisco, CA - US

Job Type

Full-time

Category

Software Engineering

Date Posted

June 21, 2026

Full Job Description

đź“‹ Description

  • • Design, implement, and maintain highly scalable, distributed software systems that form Crusoe's core security engineering foundation.
  • • Architect and manage critical platform security services at scale, including PKI infrastructure, SPIFFE/SPIRE for identity, and HashiCorp Vault for secrets management to ensure secure credential handling across distributed environments.
  • • Develop high-throughput control integrations and data pipelines to collect, normalize, and analyze security telemetry from IAM systems, logs, vulnerability scanners, and continuous compliance (CCM/GRC) tools.
  • • Architect advanced metrics engines, real-time dashboards, and analytics pipelines to provide continuous visibility into compliance health, technical risk posture, and emerging security threats.
  • • Integrate and scale automated security checks within CI/CD pipelines to enforce consistent security policies across development workflows.
  • • Engineer secure, high-throughput distributed systems using deep Linux knowledge and Kubernetes expertise to solve infrastructure-level challenges.
  • • Partner closely with product security, infrastructure security platform engineering, and specialized security domain teams to translate complex business and regulatory needs into durable, automated technical solutions.
  • • Provide technical direction, mentorship, and architectural oversight across the security engineering team, fostering high engineering standards and operational excellence.
  • • Operate with a security-first mindset as a systems engineer, focusing on building foundational software platforms that enable secure-by-default production environments rather than acting as a traditional security auditor.
  • • Tackle complex security and compliance puzzles at cutting-edge scale within cloud and distributed infrastructure environments.
  • • Collaborate with a multidisciplinary team of engineers to redefine compliance adherence for modern AI and energy infrastructure.
  • • Have autonomy and responsibility to innovate, experiment, and influence how Crusoe establishes its core security assurance pipelines.
  • • Maintain production-grade systems with a focus on fault tolerance, high QPS, and mission-critical reliability across public cloud environments.
  • • Implement and maintain identity and secrets management solutions in production, ensuring fine-grained access controls, secure data retention, and secure third-party integrations.
  • • Optimize Kubernetes control planes, develop custom operators, and troubleshoot complex cluster issues at scale.
  • • Design and deploy infrastructure automation and robust abstractions such as platform-level service meshes to reduce operational complexity.

🎯 Requirements

  • • 8+ years of professional software development experience, with at least 5+ years of hands-on, production-grade programming in Go or Rust
  • • 4+ years of hands-on experience deploying, securing, and managing applications at scale on Kubernetes and public cloud environments (GCP or AWS)
  • • Proven track record of designing, building, and operating high-QPS, fault-tolerant, mission-critical distributed systems
  • • Strong hands-on experience with major public cloud infrastructure providers (GCP or AWS)
  • • Deep familiarity with modern CI/CD pipelines and Infrastructure-as-Code (IaC) tooling practices
  • • Expert-level proficiency in distributed systems, infrastructure automation, and developing automated abstractions such as Kubernetes operators

🏖️ Benefits

  • • Competitive compensation and equity packages including Restricted Stock Units
  • • Comprehensive health, dental & vision insurance
  • • Paid time off, paid holidays, paid parental leave, and volunteer time off
  • • Employer contributions to HSA account and 401(k) retirement plan with company match up to 4% of salary
  • • Mental health & wellness support, commuter benefits, cell phone stipend, and daily meals allowance
  • • Professional development & tuition reimbursement, global travel insurance, and emergency assistance

Skills & Technologies

Rust
AWS
GCP
Kubernetes
Linux
Senior
Onsite
$215k-260k
Degree Required

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About Crusoe Energy Systems LLC

Crusoe Energy Systems is building Crusoe Cloud, an AI cloud platform that provides managed AI services and AI data center infrastructure. They cater to businesses seeking to accelerate AI solution development with optimized models and high-performance computing. The company utilizes environmentally aligned power sources, including wind, solar, and natural gas, to power its data centers. With features like managed Kubernetes and Slurm, Crusoe simplifies operations and ensures reliability with 24/7 support. Crusoe is expanding its reach, including a strategic European expansion with its first data center in Norway. Crusoe recently raised $1.375 billion at a valuation above $10 billion.

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