Infrastructure Engineer
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Job Description
Infrastructure Engineer designing and maintaining cloud infrastructure and core systems at Flex. Collaborating across teams to ensure reliability and performance of critical systems.
Responsibilities:
- Design, build, and operate the cloud infrastructure, databases, and core systems that engineering teams build on
- Partner with backend, frontend, and other stakeholders to translate their needs into reliable platform capabilities
- Own and improve our cloud infrastructure, databases, and observability stack
- Analyze, troubleshoot, and resolve production issues rooted in infrastructure, scaling, and reliability
- Collaborate on cross-functional projects that connect the full Flex experience, from consumer checkout to merchant analytics
- Create and maintain documentation for infrastructure, platform services, and on-call runbooks
- Contribute to a culture of learning, problem-solving, and operational excellence
Requirements:
- 5+ years of experience building and operating production infrastructure at scale
- Hands-on experience with AWS, database operations and tuning (Postgres or similar), and infrastructure as code (Terraform or similar)
- Resourceful, curious, and comfortable learning new tools quickly
- Thrive in fast-paced, dynamic environments and enjoy wearing multiple hats
- Collaborative and enjoy working across teams to solve problems
- Execution mindset and always keep the end user in mind
- Proficient at leveraging AI tools to ship faster
- Experience operating Rust services in production (Nice to Have)
- Background in payments, fintech, or health benefits (HSA/FSA), or another regulated, money-moving domain (Nice to Have)
Benefits:
- Competitive compensation and equity package
- Flexible, remote-friendly work environment
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