DC Technician L3; Athena SJC)

Data Center Technician (L3)

We are seeking an experienced Data Center Technician (L3) to support the installation, maintenance, troubleshooting, and optimization of large-scale, high-performance data center infrastructure for a WWT customer. This role requires advanced technical expertise in server hardware, networking, cabling, and data center operations. The ideal candidate is a self-driven problem solver who can independently execute complex tasks, mentor junior technicians, and ensure operational excellence in a fast-paced, mission-critical environment.

Key Responsibilities

• Install, configure, troubleshoot, and decommission enterprise server, storage, and network hardware.
• Perform advanced rack and stack activities, including rail installation, structured cabling, power distribution, and hardware integration.
• Diagnose and resolve hardware failures involving servers, GPUs, storage systems, networking equipment, and supporting infrastructure.
• Execute firmware updates, BIOS configuration changes, hardware replacements, and system validation.
• Support large-scale hardware deployments, refreshes, migrations, and expansion projects.
• Perform root cause analysis on infrastructure issues and implement corrective actions.
• Monitor data center health, environmental conditions, and equipment status using DCIM and monitoring tools.
• Follow established operational procedures, change management processes, and documentation standards.
• Collaborate with engineering, operations, networking, facilities, logistics, and vendor teams to resolve complex technical issues.
• Mentor L1 and L2 technicians by providing technical guidance, training, and escalation support.
• Ensure compliance with safety standards, ESD procedures, security policies, and operational best practices.
• Participate in on-call rotations and support maintenance windows outside of standard business hours when required.

Required Qualifications

• 5+ years of experience supporting enterprise or hyperscale data center environments.
• Strong knowledge of x86 server architecture, GPU-based systems, storage platforms, and enterprise networking equipment.
• Experience with rack and stack deployments.
• Experience with structured copper and fiber cabling.
• Experience with server diagnostics and hardware repair.
• Experience with power distribution systems (PDUs).
• Experience with remote management tools (iLO, iDRAC, IPMI, Redfish).
• Understanding of Layer 1 and basic Layer 2 networking concepts.
• Experience reading rack elevations, network diagrams, cable matrices, and technical documentation.
• Familiarity with Linux operating systems and basic command-line troubleshooting.
• Experience using ticketing systems such as Service Now, Jira, or similar ITSM platforms.
• Strong analytical, troubleshooting, and organizational skills.
• Excellent written and verbal communication skills.