Senior Infrastructure Engineer

What You’ll Do

• Design, build, and maintain core platform infrastructure to support scalable, reliable, and secure services across engineering teams.
• Develop and manage Infrastructure as Code (IaC) using tools like Terraform to ensure consistent, reliable environments.
• Own major architectural decisions and long-term technical direction for Fieldguide’s infrastructure.
• Build reusable platforms, abstractions, and AI-enabled tooling that raise the baseline for engineering teams.
• Monitor and improve system reliability, performance, and cost efficiency through metrics, logging, and alerting frameworks (e.g., Datadog, CloudWatch).
• Ensure infrastructure security and compliance by implementing best practices for identity management, network segmentation, secrets handling, and vulnerability management.
• Lead incident response and postmortem processes, driving root cause analysis and structural long-term improvements.
• Mentor and collaborate with engineers and tech leads, fostering a culture of reliability, automation, and continuous improvement.
• Support disaster recovery and business continuity planning, ensuring high availability and resilience of critical systems.
• Document infrastructure design, architecture decisions, and operational procedures for transparency and team enablement.

Who You Are

• You have 5+ years of hands-on experience constructing complex cloud solutions using multiple AWS services.
• You are skilled in provisioning and configuring cloud services using Terraform and the AWS CLI / API.
• You have proficiency in designing effective monitoring/alerting and log aggregation solutions using tools like Datadog and AWS CloudWatch (New Relic, Prometheus/Grafana, etc.)
• You have a solid understanding of data systems, including both SQL and NoSQL.
• You have experience in developing and maintaining software in security and regulatory compliance environments (SOC 2, PCI-DSS, HIPAA, etc.)
• You are comfortable participating in on-call support to ensure 24/7 availability of services.
• You have a passion for mentoring and coaching other engineers.
• You have excellent communication and organizational skills and are capable of managing multiple competing priorities.
• You have deep expertise designing systems and processes that make engineering teams measurably faster and more effective.
• You can clearly communicate technical strategy to managers and executives.

Bonus Points

• You have experience with GraphQL as a database front-end API.
• You have experience with database system architecture (e.g., Postgres) and observability, to help us increase our overall database performance.
• You have experience both working with AI, and with providing it as a tool for engineers and our internal applications to utilize.
• You have experience working through and designing for security audits (e.g., SOC2, PCI, etc.)