Senior Staff Infrastructure & Security Engineer

ABOUT CIVILGRID CivilGrid is the trusted civil design platform powering affordable infrastructure renewal and growth. We give utilities, civil engineers, and municipalities a single, collaborative source of truth for what's underground so teams can plan, design, and build faster, smarter, and safer. Our platform consolidates utility records, geotechnical and environmental data, paving moratoriums, and jurisdictional requirements directly from 3,000+ utilities, agencies, and municipalities with full chain-of-custody documentation. Teams at PG&E, Mark Thomas, and dozens of leading engineering firms use CivilGrid to cut research time by up to 88%, reduce project costs, prevent dig-ins, and accelerate delivery on the projects that keep communities running. We're a venture-backed Series A startup tackling a $4.7T US infrastructure market that has been underserved by software for decades. Founded by industry insiders, each with 10+ years in utilities and civil engineering, we move fast, ship work that matters, and stay close to the customers and field teams we build for. WHY THIS ROLE We're looking for a Security & Infrastructure Engineer to own our security posture and assist in supporting our cloud platform and reliability as we scale into large utilities and civil engineering firms. You'll take over and grow our security program, working across engineering, IT, and leadership. The role is on the Systems team that spans DevOps, SRE, and security. Your focus is security but you will contribute across the team. This role reports to the Head of Engineering. It is a hybrid role with expectations that you are working from our Boston, MA office at least 3 days per week if hired. WHAT YOU'LL DO Partner with engineering to embed reliability and security into the SDLC and infrastructure decisions Run our security program: SOC 2 readiness and audits, vendor reviews, access controls, endpoint security, and threat modeling Define and enforce policies for identity, secrets, data handling, and production access across the company Lead incident response for both security events, and some reliability events, from detection through resolution and follow-up Harden and monitor our GIS servers (Windows Server) alongside our AWS platform Build and maintain our Trust Center, and lead security reviews with customers Contribute to our AWS environment end to end: VPC architecture, ECS, RDS, secrets management, IAM, networking, and cost optimization Contribute to improving reliability practices: SLOs, observability, alerting, on-call rotation, runbooks, and blameless post-incident reviews The tech: AWS ECS, Postgres on RDS managed with CDK GitHub, Datadog, Slack, Notion, Drata WHAT YOU'LL BRING At least 5-8 years of experience across product security, platform security, or security engineering, with hands-on experience with DevOps or SRE of production AWS infrastructure Experience running or supporting a SOC 2 program, including evidence collection, control design, an