Sr. Data Center Network Engineer

Job ID: 112369
Location: Phoenix, Arizona  [On-Site]
Category: Infrastructure
Employment Type: Contract
Date Added: 04/08/2026
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Role Summary
A senior data center network engineer is responsible for designing, deploying, and maintaining scalable and highly available network fabrics within data center environments. This role requires deep expertise in Cisco Nexus platforms, VXLAN, EVPN architectures, and advanced networking technologies. The senior engineer will lead the configuration, validation, and troubleshooting of complex data center networks to ensure optimal performance and seamless integration with existing infrastructure.

Responsibilities

  • Configure and deploy Cisco Nexus 9000 (N9K) switches for data center environments.
  • Build and manage VXLAN/EVPN fabrics utilizing Nexus Dashboard Fabric Controller (NDFC).
  • Perform base network configurations including VLANs, trunking, VPC, and LACP.
  • Configure and validate Layer 2/Layer 3 services such as SVIs and routing protocols (OSPF).
  • Implement VRFs, tenant policies, and overlay networks to support multi-tenant environments.
  • Design, configure, and validate spine-leaf architecture and fabric connectivity.
  • Ensure proper integration of network fabrics with upstream and downstream network components.
  • Troubleshoot network issues and optimize network performance and connectivity.
  • Collaborate with cross-functional teams to support data center expansion and upgrades.
  • Document network designs, configurations, and operational procedures for ongoing maintenance.

Qualifications

  • Extensive hands-on experience with Cisco Nexus 9000 (N9K) platforms.
  • Strong knowledge of VXLAN and EVPN network architectures.
  • Proven experience with Nexus Dashboard Fabric Controller (NDFC).
  • Solid understanding of data center networking fundamentals and fabric design.
  • Ability to configure and validate end-to-end network fabrics in complex environments.
  • Experience with multi-site VXLAN or data center interconnect (preferred).
  • Familiarity with automation or templating within NDFC (desirable).
  • Cisco certifications such as CCNP Data Center or CCIE Data Center are preferred.
  • Excellent troubleshooting skills and attention to detail.
  • Ability to work on-site in a fast paced data center environment.

Publishing Pay Range: $70.00 – $75.00 USD 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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