Data Center Technician L3

Data Center Technician L3 - 4 Openings

Job Location:

USA-TX-Hubbard

Location Type:
Onsite

Req

Milestone Technologies is a global IT managed services firm that partners with organizations to scale their technology, infrastructure and services to drive specific business outcomes such as digital transformation, innovation, and operational agility. Milestone is focused on building an employee-first, performance-based culture and for over 25 years, we have a demonstrated history of supporting category-defining enterprise clients that are growing ahead of the market.

The company specializes in providing solutions across Application Services and Consulting, Digital Product Engineering, Digital Workplace Services, Private Cloud Services, AI/Automation, and Service Now. Milestone culture is built to provide a collaborative, inclusive environment that supports employees and empowers them to reach their full potential. Our seasoned professionals deliver services based on Milestone's best practices and service delivery framework. By leveraging our vast knowledge base to execute initiatives, we deliver both short-term and long-term value to our clients and apply continuous service improvement to deliver transformational benefits to IT.

With Intelligent Automation, Milestone helps businesses further accelerate their IT transformation. The result is a sharper focus on business objectives and a dramatic improvement in employee productivity. Through our key technology partnerships and our people-first approach, Milestone continues to deliver industry-leading innovation to our clients. With more than 3,000 employees serving over 200 companies worldwide, we are following our mission of revolutionizing the way IT is deployed.

The Data Center Technician L3 serves as a senior technical resource responsible for advanced deployment, diagnostics, break-fix operations, hardware lifecycle management, and operational support within large-scale AI and accelerated computing environments. This role functions as a technical leader within the data center, providing subject matter expertise across compute, accelerators, networking, and supporting infrastructure platforms.

The Data Center Technician L3 is expected to independently diagnose and resolve complex hardware issues, execute advanced repair procedures, support commissioning and deployment activities, and provide technical guidance to junior personnel. The role serves as a primary escalation point for technical issues and works closely with customer engineering teams, OEM partners, network teams, and site leadership to maintain operational excellence.

This position is critical to maintaining infrastructure availability, reducing repair times, improving deployment quality, and supporting the reliability of mission-critical AI computing environments.

Advanced Deployment & Integration

• Lead installation, integration, and deployment activities for servers, accelerator platforms, networking equipment, and supporting infrastructure.
• Validate deployment quality against customer specifications, rack elevations, port maps, and deployment standards.
• Execute and oversee structured cabling activities, including copper and fiber infrastructure deployments.
• Perform deployment audits, acceptance testing, and operational readiness reviews.
• Support commissioning, site expansion, and infrastructure turnover activities.

Advanced Diagnostics & Break-Fix Operations

• Perform advanced troubleshooting and root cause analysis of server, accelerator, storage, and networking hardware failures.
• Execute customer-directed repair procedures and complex hardware diagnostics.
• Perform FRU replacement activities across compute, accelerator, and network platforms.
• Support firmware upgrades, hardware qualification testing, and post-maintenance validation.
• Serve as the technical lead during hardware incidents and escalations.
• Drive rapid restoration of service while ensuring quality and procedural compliance.

Accelerator & AI Infrastructure Support

• Support GPU, TPU, accelerator, and high-density compute platforms.
• Execute return-to-service validation and performance verification activities following repairs.
• Assist customer engineering teams with hardware investigations and diagnostics.
• Support hardware qualification, burn-in, and acceptance testing activities.
• Maintain awareness of platform-specific repair procedures and operational requirements.

Asset Lifecycle & RMA Management

• Oversee serialized asset tracking and lifecycle management activities.
• Manage complex RMA workflows, including diagnostics, documentation, chain-of-custody, and return processing.
• Validate asset reconciliation and inventory accuracy.
• Support spare parts planning and inventory optimization efforts.
• Ensure compliance with media handling and asset disposition requirements.

Network & Physical Infrastructure Support

• Support physical-layer network operations, including fiber plant infrastructure, optics replacement, patching, and…