Data Center Network Migration Engineer (Arista/Cisco)

Gdh Consulting, Inc.; Whippany (NJ); On-site; USD 90,000 - 103,000; Full time

Job summary

GDH Consulting, Inc. is seeking a network migration engineer to lead end-to-end switch replacements and migrations in data center and co-location environments. You will configure, validate, and troubleshoot Arista and Cisco switches, manage change windows, and ensure minimal service disruption.

You will work with BGP, multicast protocols (PIM/SSM/IGMP), and Layer 2/3 networking, performing pre- and post-migration validation and documenting procedures for operational continuity.

Qualifications

• Extensive experience with network hardware refreshes and migrations, particularly involving Arista switches such as the 7150, 7060, or 7130 series.
• Hands-on experience with BGP, multicast technologies including PIM, SSM, and IGMP, Layer 2/3 networking, and troubleshooting in production environments.
• Experience working within data center or co-location environments.
• Ability to perform physical switch replacements, cabling, and hardware troubleshooting.
• Strong knowledge of change management, network validation, rollback planning, and troubleshooting.
• Availability to work scheduled weekend change windows as required.
• Relevant education, training, certifications, or equivalent practical experience.
• Strong technical communication skills with the ability to collaborate effectively with technical and non-technical stakeholders.

Responsibilities

• Execute the replacement and migration of end-of-life Arista and Cisco network switches across data center and co-location environments.
• Manage and validate customized switch configurations within scheduled change windows.
• Maintain and troubleshoot external network connectivity to support reliable operations.
• Configure and troubleshoot BGP, multicast technologies including PIM, SSM, and IGMP, and Layer 2/3 networking protocols.
• Coordinate physical switch replacements, cabling, and hardware installation within data center and co-location environments.
• Execute migration activities in accordance with established change management, validation, and rollback procedures.
• Perform pre- and post-migration validation to confirm successful implementations and network functionality.
• Independently troubleshoot complex network issues and escalate when appropriate.
• Collaborate with external partners and internal engineering teams to coordinate network activities and communicate technical status.
• Document migration procedures, validation results, configurations, and troubleshooting activities to support operational continuity.

Skills

Arista switches

Cisco switches

BGP

PIM/SSM/IGMP

Layer 2/3 networking

Troubleshooting in production

Weekend shift availability

Technical communication

Education

Relevant education/certifications

Tools

Arista 7150/7060/7130

Cisco data center gear

Job description

GDH Consulting, Inc. is seeking a network migration engineer to lead end-to-end switch replacements and migrations in data center and co-location environments. You will configure, validate, and troubleshoot Arista and Cisco switches, manage change windows, and ensure minimal service disruption.

You will work with BGP, multicast protocols (PIM/SSM/IGMP), and Layer 2/3 networking, performing pre- and post-migration validation and documenting procedures for operational continuity.