Top Infrastructure Engineer Jobs in San Francisco, CA

As a Senior Infrastructure Engineer, you will design and build core infrastructure, manage IaC, enhance system reliability, ensure security compliance, and mentor engineers.

The Senior Infrastructure Engineer will design, build, and operate crucial cloud infrastructure and developer tools, focusing on observability, reliability, and performance in a high-velocity software environment.

Lead design, build, and standardize a next-generation SD‑WAN ecosystem; produce architecture artifacts, manage requirements, lead testing, apply security and resiliency controls, maintain audit-ready risk documentation, and coordinate stakeholders for delivery.

Designs, deploys, and troubleshoots wireless infrastructure; monitors performance; performs migrations across public/private clouds; applies automation and scripting; validates AI-assisted outputs; focuses on Cisco WLC, Juniper Mist, Cisco ISE, 802.1X, SSID/VLAN mapping, and RF optimization.

Lead cloud networking architecture across AWS/Azure/GCP, define reusable network standards, manage technical risk and remediation, drive compliance and incident response, establish policy-as-code guardrails, mentor engineers, and coordinate cross-functional solution designs emphasizing security, resilience, and performance.

Lead infrastructure engineering workstreams to design, operate, and modernize network and cloud infrastructure. Troubleshoot moderate-complexity problems, drive architecture and automation, partner with risk/compliance, mentor engineers, and apply AI-assisted tooling while ensuring security, resiliency, and auditability.

Lead design, build, and standardize a next-generation SD‑WAN ecosystem. Capture and translate requirements, produce HLD/LLD artifacts, drive test strategy, apply security methodologies, and collaborate with product, architecture, and engineering teams to deliver reliable, monitored, and automated network services.

Designs, monitors, and sustains network and infrastructure systems at scale. Uses AI-assisted tools for monitoring and capacity analysis, identifies and remediates capacity risks, partners with teams on resiliency and security, and drives automation and validation across multi-cloud and on-prem systems.

Lead design, operation, and continuous improvement of enterprise DNS and IPv6 capabilities. Architect DNS and IPv6 addressing, implement reverse DNS delegation, execute transition strategies (Dual-Stack, NAT64, DNS64), troubleshoot resolution and routing issues (dig, nslookup, BGP, OSPFv3), automate operational tasks, document runbooks, and apply enterprise-authorized AI with validation and auditability in controlled change environments.

Lead and architect infrastructure engineering programs across networking and cloud domains, drive AI-assisted automation, validate mitigations, modernize systems, mentor junior engineers, and ensure compliance, resiliency, and security.

The Lead Infrastructure Engineer will define and build infrastructure at Atticus, managing platforms, security, reliability, and empowering engineering teams.

Design, build, and run secure production infrastructure across cloud-native and air-gapped deployments. Own end-to-end platform outcomes, harden the artifact pipeline for signed releases, embed with teams to advise on security and deployment best practices, and partner with GRC on STIGs, CVE remediation, and audit readiness for classified environments.

Build, operate, and secure cloud-native and edge infrastructure including Kubernetes, artifact pipelines, application streaming, and air-gapped appliances. Partner with product, GRC, and mission owners to design, deploy, and harden systems, remediate vulnerabilities, support audits (IL5/IL6/JWICS), and ensure trusted artifact delivery across environments.

Design, build, and operate secure cloud-native and edge infrastructure for classified and commercial environments. Own end-to-end platform outcomes, harden artifact pipelines for signed builds across cloud and air-gapped deployments, embed with product teams to advise on secure deployments, and support compliance/audit activities (STIGs, CVE remediation) to enable operation in IL5/IL6/JWICS environments.

Lead technical direction, design, build, and operate Snap's large-scale service and compute infrastructure. Drive platform roadmaps, reliability, observability, CI/CD, and developer experience. Act as hands-on staff tech lead across cross-functional initiatives, mentor engineers, and shape infrastructure for an AI-first future.

Design, build, and maintain scalable AWS and Azure infrastructure using Infrastructure-as-Code. Develop automation, deployment pipelines, and production release processes. Contribute code to cloud services, manage networking and IAM, ensure availability and security, and respond to incidents while collaborating on observability and security practices.

Lead end-to-end technical delivery of large-scale bare-metal GPU clusters for strategic customers: facility/rack design, GPU cluster bring-up, InfiniBand/RoCE fabric validation, HPC benchmarking and remediation, operational models for BMaaS, and cross-team product feedback. Act as primary technical customer contact, run proofs-of-concept, collaborate with engineering teams, and support security-sensitive, production-ready supercomputers.

The Senior Infrastructure Engineer will improve system reliability and efficiency, develop standards and tooling, and collaborate with engineering teams to optimize workflows and cloud infrastructure.

As an Infrastructure Engineer, you'll design and maintain cloud infrastructure, build automation workflows, manage CI/CD pipelines, and improve system reliability while collaborating with product and research teams.

The Senior Cloud Infrastructure Engineer will design, deploy, and manage AWS infrastructure focusing on enterprise networking, security, and reliability while supporting cloud migrations in a HIPAA-regulated environment.

Lead bring-up, administration, and operations of a large GPU/AI training cluster. Serve as bridge between researchers and hardware, ensuring SLURM jobs, parallel filesystems, networking, and monitoring operate reliably. Work across provisioning, storage, VPN/access, and traditional Linux sysadmin tasks; assist with physical racking and on-site datacenter needs. Collaborate closely with a small research team in Tokyo or San Francisco.

Own and scale Navi's AWS infrastructure from data ingest to AI pipelines and dashboards. Architect for 100k+ users and 100 RPS, build monitoring/alerting, design automatic failover, manage cloud costs, maintain runbooks/documentation, and contribute to backend pipelines, APIs, and services.

The Senior / Staff Infrastructure Engineer will design and manage infrastructure for AI platforms, ensuring security, reliability, and scalability in cloud deployments. Responsibilities include deploying hybrid solutions and implementing infrastructure-as-code.

The Automation and Infrastructure Engineer will design and install control systems infrastructure, manage network administration, and ensure project compliance with industry standards.

Fractional DevOps/Cloud Infrastructure Engineer to design and build AWS Dev/UAT/Prod environments, implement Infrastructure as Code with Terraform, create CI/CD pipelines using GitHub Actions, and implement monitoring, logging, alerting, and access/security practices. Fintech/crypto/payments experience preferred. ~20 hours/week, NYC preferred, US remote considered.