Data Center Technician (L3)

Job ID: 113962
Location: Manassas, Virginia  [On-Site]
Category: Infrastructure
Employment Type: Contract
Date Added: 11/06/2026
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Role Summary

The Data Center Technician (L3) supports the installation, maintenance, troubleshooting, and optimization of large-scale, high-performance data center infrastructure. This advanced-level role manages complex server, storage, networking, cabling, and hardware integration activities in a mission-critical environment. The technician independently resolves technical issues, supports deployment and expansion initiatives, and contributes to operational excellence. This role also provides technical guidance and mentorship to junior data center technicians.

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 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, technology refreshes, migrations, and data center expansion projects.
  • Conduct root cause analysis and implement corrective actions for infrastructure issues.
  • Monitor data center health, environmental conditions, and equipment status using DCIM and monitoring tools.
  • Follow operational procedures, change management processes, safety standards, ESD procedures, security policies, and documentation requirements.
  • Collaborate with engineering, operations, networking, facilities, logistics, and vendor teams to resolve complex technical issues.
  • Mentor L1 and L2 technicians through technical guidance, training, and escalation support.

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, structured copper and fiber cabling, server diagnostics, and hardware repair.
  • Knowledge of power distribution systems, including power distribution units (PDUs).
  • Experience using remote management tools such as iLO, iDRAC, IPMI, and Redfish.
  • Understanding of Layer 1 and basic Layer 2 networking concepts.
  • Ability to read rack elevations, network diagrams, cable matrices, and technical documentation.
  • Familiarity with Linux operating systems and basic command-line troubleshooting.
  • Experience using ServiceNow, Jira, or similar IT service management platforms.
  • Strong analytical, troubleshooting, organizational, written, and verbal communication skills; availability to participate in on-call rotations and maintenance windows outside standard business hours.

Publishing Pay Range: $40.00 – $46.00 hourly

This position is based in office and requires employee to work on-site.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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