# Senior Site Infrastructure Engineer

**Company:** [Shield AI](https://hotfix.jobs/companies/shield-ai)
**Location:** Seattle, WA, San Mateo, CA, Dallas, TX
**Role:** DevOps / SRE
**Salary:** $110k – $210k/yr
**Experience:** 5+ years
**Skills:** Dcim, Ipam, Cmdb, Nautobot, Netbox, Device42, Rack Design, Structured Cabling, Mdf/Idf, Data Center Power, Ups/Pdu, Enterprise Networking, AWS, Azure, Infrastructure Automation
**Posted:** 2026-09-09

> Designs and supports physical IT infrastructure across offices, labs, manufacturing facilities, and data centers, including racks, cabling, power, cooling, documentation, and capacity planning. Requires 5+ years of physical infrastructure engineering experience and strong cross-functional project execution.

## Job Description

## Responsibilities
- Plan and design physical IT infrastructure for offices, labs, manufacturing facilities, and data centers.
- Lead and support 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 bills of materials.
- Create and maintain rack elevations, physical connectivity diagrams, equipment records, cable documentation, and DCIM data.
- Support capacity planning for rack space, power, cooling, cabling, and equipment growth.
- Administer and improve DCIM, IPAM, and CMDB platforms such as Nautobot, NetBox, and Device42.
- Establish 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 on compute, storage, connectivity, wireless, security, hybrid connectivity, and public cloud infrastructure.
- Identify capacity constraints and documentation gaps, and improve infrastructure standards and processes.
- Provide technical guidance to junior engineers and support teams.
- Travel periodically for site and data center deployments.

## Required Qualifications
- 5+ years of experience in data center, enterprise site, or physical IT infrastructure engineering.
- Experience designing and supporting infrastructure across offices, data centers, labs, or similar enterprise environments.
- Experience creating and maintaining rack elevations, physical infrastructure diagrams, cabling documentation, equipment layouts, and infrastructure records.
- Strong knowledge of rack design, structured copper and fiber cabling, equipment placement, and physical infrastructure standards.
- Knowledge of data center and site power, including A/B power, UPS/PDU systems, circuit capacity, equipment power draw, redundancy, cooling, and airflow.
- Experience designing MDF/IDF environments and sizing infrastructure for new or expanding facilities.
- Experience with DCIM, IPAM, or CMDB platforms such as Nautobot, NetBox, Device42, Sunbird, or similar.
- Working understanding of enterprise networking, including switching, wireless, WAN connectivity, and carrier services.
- Ability to interpret architectural drawings, floor plans, low-voltage designs, and equipment specifications.
- Experience working with colocation providers, low-voltage contractors, carriers, and technology vendors.
- Strong technical documentation, communication, and organizational skills.
- Ability to independently execute infrastructure projects from planning through deployment.

## Preferred Qualifications
- Experience supporting geographically distributed or rapidly growing enterprises.
- Experience across offices, engineering labs, manufacturing environments, and colocation data centers.
- Hands-on experience with Nautobot or NetBox for DCIM, IPAM, rack elevations, circuits, and infrastructure documentation.
- Experience supporting data center migrations, expansions, or greenfield site deployments.
- Familiarity with hybrid infrastructure and AWS or Azure, including connectivity between enterprise sites, data centers, and cloud environments.
- Familiarity with Juniper, Cisco, Palo Alto Networks, Dell, APC, or Vertiv infrastructure.
- Experience developing infrastructure bills of materials, cost estimates, lifecycle plans, and capacity forecasts.
- Experience using APIs, scripting, or automation to improve DCIM and infrastructure lifecycle management.
- Experience in aerospace, defense, manufacturing, or other regulated environments.
- Relevant certifications such as BICSI, CDCP, CCNA, or CCNP.

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