Staff Infrastructure Engineer (R6109)

Shield AI•San Mateo, CA

3d•Onsite

About The Position

Shield AI is seeking a Staff Infrastructure Engineer to design, engineer, and support enterprise infrastructure across offices, engineering environments, data centers, and hybrid cloud platforms. As part of the Cloud & Infrastructure team within Enterprise Operations, this hands-on role provides senior technical leadership across Active Directory, compute, virtualization, storage, backup and disaster recovery, and core infrastructure services. The engineer will help define scalable, secure, and resilient infrastructure standards that support the company’s growth. The position is based in San Mateo, California, or the surrounding San Francisco Bay Area, and requires regular on-site presence. Occasional travel to other Shield AI offices, engineering sites, and data center locations may be required.

Requirements

Bachelor's degree in a technical discipline or equivalent practical experience.
8+ years of experience engineering and supporting enterprise infrastructure in production environments.
Advanced experience administering and engineering Microsoft Active Directory, including AD DS, Group Policy, DNS, authentication, and replication.
Strong experience with enterprise compute, virtualization, and storage platforms, such as VMware, Hyper-V, KVM, NetApp, Pure Storage, Dell EMC, or equivalent.
Strong Windows Server administration experience and working proficiency with Linux systems such as RHEL or Ubuntu.
Experience designing and implementing backup, replication, disaster recovery, and business continuity solutions, including RTO/RPO planning and testing.
Experience with infrastructure automation and configuration management using Terraform, Ansible, PowerShell, Python, Bash, or similar technologies.
Experience supporting hybrid infrastructure across on-premises environments and AWS and/or Azure.
Demonstrated ability to lead complex technical initiatives, establish engineering standards, troubleshoot ambiguous problems, and mentor other engineers.
Effective written and verbal communication skills, including the ability to communicate technical concepts to technical and non-technical audiences.

Nice To Haves

Experience supporting infrastructure in high-availability, mission-critical, manufacturing, aerospace, defense, or engineering environments.
Deep experience with one or more enterprise storage and data protection ecosystems, including NetApp, Pure Storage, Dell EMC, or equivalent technologies.
Experience designing infrastructure across multiple offices, engineering sites, laboratories, and data center or colocation environments.
Experience with Kubernetes or containerized workloads and the underlying compute, storage, and infrastructure requirements that support them.
Experience supporting GPU compute, high-performance computing, or other accelerated engineering workloads.
Experience with VDI platforms such as VMware Horizon, Citrix, Azure Virtual Desktop, or equivalent technologies.
Strong understanding of infrastructure networking fundamentals, including TCP/IP, DNS, DHCP, routing, VLANs, and firewalls.
Experience operating in security-conscious or regulated environments and supporting infrastructure controls aligned with frameworks such as NIST or CMMC.
Relevant technical certifications such as VMware VCP, Microsoft, NetApp, AWS, Azure, or equivalent certifications.

Responsibilities

Serve as a senior technical resource on the Cloud & Infrastructure team, designing and implementing solutions to complex infrastructure requirements and technical challenges.
Design, deploy, administer, and optimize Active Directory and core identity infrastructure, including domain services, Group Policy, DNS, authentication, replication, and integration with cloud identity services.
Engineer and operate enterprise compute, virtualization, and storage infrastructure supporting business, engineering, and mission-critical workloads.
Design, administer, and optimize enterprise storage platforms, including capacity planning, performance, availability, data protection, replication, and lifecycle management.
Engineer and support compute platforms across data centers, colocation facilities, offices, and hybrid cloud environments, including virtualization, GPU-accelerated infrastructure, VDI, and specialized engineering workloads.
Engineer and maintain Windows and Linux server infrastructure.
Perform capacity planning and infrastructure sizing for new workloads, engineering environments, site expansions, and data center deployments.
Design, deploy, and maintain data center and colocation infrastructure, including server and storage platforms, rack-level deployments, capacity planning, hardware lifecycle management, resiliency, and coordination with supporting teams and external providers.
Design and continuously improve backup, disaster recovery, and infrastructure resiliency, including recovery architecture, replication, recovery objectives, testing, documentation, and execution of disaster recovery exercises.
Implement monitoring and observability for infrastructure availability, capacity, performance, and reliability, and drive improvements before issues become operational problems.
Develop infrastructure automation and repeatable deployment patterns using Terraform, Ansible, PowerShell, Python, Bash, or similar technologies.
Support integration between on-premises infrastructure and AWS or Azure, including workloads requiring hybrid connectivity or services, and support containerized or Kubernetes-based infrastructure where appropriate.
Troubleshoot and resolve complex infrastructure incidents and serve as an escalation point for critical production issues.
Participate in on-call, emergency response, and planned maintenance activities as required.
Partner with Cybersecurity on infrastructure hardening, vulnerability remediation, access controls, and compliance requirements.
Partner with Network Engineering on infrastructure connectivity and dependency requirements while maintaining clear ownership boundaries for enterprise network architecture and network devices.
Lead infrastructure projects and technical initiatives from design through implementation, including architecture, standards, operational documentation, and handoff procedures.
Mentor engineers and provide technical guidance while remaining hands-on with infrastructure engineering and implementation.
Develop and maintain infrastructure standards, architecture documentation, operational procedures, and engineering best practices.