Senior Site Infra Engineer — Data Centers & DCIM

Shield AI; San Mateo (CA); On-site; USD 110,000 - 210,000; Full time

Job summary

Shield AI is seeking a Senior Site Infrastructure Engineer to plan, design, document, and support physical IT infrastructure across offices, labs, manufacturing facilities, and data centers.

You will lead site buildouts, develop rack layouts, and maintain accurate infrastructure documentation while collaborating with Network, Systems, and Cloud teams to meet compute, storage, and hybrid cloud needs. Expect frequent travel to deploy facilities.

Qualifications

• 5+ years of experience in data center, enterprise site, or physical IT infrastructure engineering.
• Experience designing MDF/IDF environments and sizing infrastructure for new or expanding facilities.
• Strong knowledge of rack design, structured copper/fiber cabling, equipment placement, and physical infrastructure standards.
• Working knowledge of data center power, UPS/PDU, circuit capacity, redundancy and cooling/airflow.

Responsibilities

• Plan and design physical IT infrastructure for offices, labs, manufacturing facilities, and data centers.
• Lead and support new site buildouts, office expansions and relocations, data center deployments, hardware refreshes, and infrastructure moves.
• Develop rack layouts, MDF/IDF requirements, equipment placement plans, and infrastructure BOMs.
• Create and maintain rack elevations, physical connectivity diagrams, equipment records, cable documentation, and DCIM data across office and data center environments.
• Support capacity planning across rack space, site and data center power, cooling, cabling, and equipment growth.
• Administer and improve DCIM/IPAM/CMDB platforms such as Nautobot, NetBox, Device42, or equivalent.
• Establish and maintain physical infrastructure documentation and labeling standards.
• Review floor plans, low-voltage drawings, vendor designs, proposals, and statements of work.
• Coordinate with architects, contractors, colocation providers, carriers, OEMs, and field-service vendors.
• Partner with Network, Systems, and Cloud Engineering teams to ensure site and data center infrastructure supports compute, storage, connectivity, wireless, security, hybrid connectivity, and public cloud requirements.
• Identify capacity constraints, documentation gaps, and opportunities to improve infrastructure standards and processes.
• Provide technical guidance to junior engineers and support teams as needed.

Skills

Data center infra

Site infrastructure design

Rack elevations

DCIM/IPAM/CMDB

Power & cooling design

Low-voltage cabling

Documentation

Vendor coordination

Cross-team collaboration

Travel readiness

Tools

Nautobot

NetBox

Device42

Sunbird

Job description

Shield AI is seeking a Senior Site Infrastructure Engineer to plan, design, document, and support physical IT infrastructure across offices, labs, manufacturing facilities, and data centers.

You will lead site buildouts, develop rack layouts, and maintain accurate infrastructure documentation while collaborating with Network, Systems, and Cloud teams to meet compute, storage, and hybrid cloud needs. Expect frequent travel to deploy facilities.