Site Reliability Engineer (SRE)

Job Overview

Cubist is seeking a Site Reliability Engineer (SRE) to join our Platform Engineering Team. In this remote work position, you'll help build secure, high-assurance infrastructure for managing cryptographic keys in blockchain-based systems. Our flagship key management platform, CubeSigner, powers high-stakes financial systems across crypto and fintech, serving major institutions that control billions in digital assets.

Key Responsibilities

• Improve tracing and logging across the engineering organization
• Optimize operational workflows and tooling to drive efficiency
• Collaborate with engineers and leadership to identify improvements in performance and availability
• Build observability into the CI/CD process
• Create guard rails for CI/CD and infrastructure
• Apply security best practices to meet compliance requirements

Required Qualifications

• Hands-on experience with cloud infrastructure, particularly AWS
• Familiarity with infrastructure-as-code using AWS CDK
• Experience with observability and telemetry tools
• Deep understanding of tracing, performance tuning, networking, and containerization
• Proficiency in modern programming languages such as Rust, TypeScript, and Go
• Strong command of Git for version control
• Strong technical communication skills

About Cubist

Cubist is building secure, high-assurance infrastructure for managing cryptographic keys, which are the backbone of authentication and access control in blockchain-based systems. Our flagship key management platform, CubeSigner, powers high-stakes financial systems across crypto and fintech. We're trusted by teams who treat reliability, latency, and security as non-negotiable.

Benefits

• Competitive salary and meaningful equity
• 100% employer-paid medical, dental, vision and life insurance
• Company-sponsored 401(k) with Health and Dependent Care FSAs
• Flexible PTO and home office stipend
• Regular company retreats