Senior Infrastructure Engineer

Job Overview

Fieldguide is seeking a Senior Infrastructure Engineer to own critical infrastructure decisions, build platforms that other teams rely on, and bring a level of rigor and reliability that makes the whole organization move with more confidence. In a product built around trust and compliance, the quality of our infrastructure isn't just an engineering concern, but also core to what we promise our customers.

Key Responsibilities

• 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

Required Qualifications

• 5+ years of hands-on experience constructing complex cloud solutions using multiple AWS services


• Skilled in provisioning and configuring cloud services using Terraform and the AWS CLI / API


• Proficiency in designing effective monitoring/alerting and log aggregation solutions using tools like Datadog and AWS CloudWatch


• Solid understanding of data systems, including both SQL and NoSQL


• Experience in developing and maintaining software in security and regulatory compliance environments (SOC 2, PCI-DSS, HIPAA, etc.)


• Comfortable participating in on-call support to ensure 24/7 availability of services


• Passion for mentoring and coaching other engineers


• Excellent communication and organizational skills and are capable of managing multiple competing priorities


• Deep expertise designing systems and processes that make engineering teams measurably faster and more effective


• Ability to clearly communicate technical strategy to managers and executives

About Fieldguide

Fieldguide is establishing a new state of trust for global commerce and capital markets through automating and streamlining the work of assurance and audit practitioners specifically within cybersecurity, privacy, and financial audit. We're based in San Francisco, CA, but built as a remote-first company that enables you to do your best work from anywhere. Fieldguide is a values-based company with values including Fearless, Fast, Lovable, and Owners.