Senior Data Center Technician (On-Site) Mentorship

GDH; Manassas (VA); On-site; USD 55,000 - 63,000; Full time

Job summary

GDH is seeking an experienced Data Center Technician (L3) to support installation, maintenance, troubleshooting, and optimization of large-scale data center infrastructure.

You will manage server, storage, networking, cabling, and hardware integration in a mission-critical environment, guide junior technicians, and contribute to expan­sion projects. Strong Linux, DCIM, and remote-management tooling experience is required.

Qualifications

• 5+ years of experience in enterprise or hyperscale data center environments.
• Strong knowledge of x86 server architecture, GPU-based systems, storage, and networking.
• Experience with rack/stack deployments and structured cabling.
• Familiarity with Linux and basic CLI troubleshooting.
• Experience with remote management tools (iLO/iDRAC/IPMI/Redfish).

Responsibilities

• Install, configure, troubleshoot and decommission data center hardware.
• Perform advanced rack and stack activities including cabling and power distribution.
• Diagnose and resolve failures across servers, GPUs, storage, and networking.
• Execute firmware updates and hardware replacements; validate systems.
• Support large deployments, tech refreshes, migrations, and expansions.
• Conduct root cause analysis and implement fixes for infra issues.
• Monitor health and environmental conditions using DCIM tools.
• Follow change control, safety, and documentation requirements.
• Collaborate with multiple teams to resolve complex issues.
• Mentor L1/L2 technicians with guidance and escalation support.

Skills

5+ years experience

x86 server architecture

GPU-based systems

storage platforms

enterprise networking

reading diagrams/docs

Linux familiarity

on-call readiness

strong communication

Tools

iLO

iDRAC

IPMI

Redfish

ServiceNow

Jira

Job description

GDH is seeking an experienced Data Center Technician (L3) to support installation, maintenance, troubleshooting, and optimization of large-scale data center infrastructure.

You will manage server, storage, networking, cabling, and hardware integration in a mission-critical environment, guide junior technicians, and contribute to expan­sion projects. Strong Linux, DCIM, and remote-management tooling experience is required.