Senior Data Center & Cloud Networking Engineer (Technology Specialist III) - Digital and Technology Partners - Network Services - Hybrid/Onsite

Mount Sinai; United States; Hybrid; USD 140,000 - 170,000; Full time

Job summary

Mount Sinai Health System seeks a highly experienced Senior Data Center & Cloud Networking Engineer for a hybrid role (3 days onsite / 2 days remote). You will lead data center networking architectures, VXLAN/EVPN fabrics, and cloud on‑ramp solutions with Equinix Fabric, Azure ExpressRoute, AWS Direct Connect, and OCI FastConnect.

The role requires deep expertise in NX‑OS, spine‑leaf designs, BGP, and secure, scalable connectivity across on‑prem and public clouds.

Qualifications

• Bachelor’s degree in a technical discipline; Master’s degree preferred.
• 8+ years minimum experience; healthcare technology experience preferred.

Responsibilities

• Lead the architecture, design, and deployment of next‑generation data center networks based on Cisco Nexus (NX‑OS), VXLAN/EVPN fabrics, and spine‑leaf designs.
• Design and implement hybrid cloud connectivity solutions (Azure ExpressRoute, AWS Direct Connect, OCI FastConnect, Equinix Fabric).
• Own and optimize L2/L3 protocols (BGP underlay/overlay, multicast, advanced routing).
• Serve as SME for Nexus platforms (Nexus 9K, FEX, data center switching).
• Architect secure, resilient connectivity between on‑prem, colocation, and public clouds; develop and maintain runbooks.
• Lead troubleshooting of multi‑domain networks; drive automation and operational improvements; mentor engineers.

Skills

VXLAN/EVPN

BGP

Nexus NX-OS

Spine-leaf

Cloud networking

Azure ExpressRoute

AWS Direct Connect

OCI FastConnect

Network automation

Equinix Fabric

Security segmentation

Python/Ansible/Terraform

Education

Bachelor’s degree in a technical discipline

Master’s degree preferred

Tools

Cisco Nexus NX-OS

Nexus 9K

Fabric Extenders (FEX)

Catalyst Center

Job description

We are seeking a highly experienced Senior Data Center & Cloud Networking Engineer to join our team in a hybrid capacity (3 days onsite / 2 days remote) at Mount Sinai Health System. This role requires a subject matter expert with deep expertise in modern data center architectures and cloud connectivity, responsible for designing, implementing, and operating scalable, secure, and high-performance hybrid network environments.
The ideal candidate will lead initiatives across data center networking, VXLAN/EVPN fabrics, and cloud on-ramp solutions (e.g., Equinix, Azure, AWS, OCI) while ensuring operational excellence across the enterprise.

• Lead the architecture, design, and deployment of next-generation data center networks based on Cisco Nexus (NX-OS), VXLAN/EVPN fabrics, and spine-leaf designs
• Design and implement hybrid cloud connectivity solutions, including:
  • Azure ExpressRoute
  • AWS Direct Connect
  • OCI FastConnect
  • Colocation/on-ramp providers such as Equinix Fabric
• Own and optimize Layer 2/Layer 3 protocols, including BGP (underlay/overlay), multicast, and advanced routing strategies
• Serve as the SME for Nexus platforms, including Nexus 9K, Fabric Extenders (FEX), and data center switching architectures
• Architect secure, resilient, and scalable connectivity between on-prem data centers, colocation sites, and public cloud environments
• Develop and maintain network design documentation, diagrams, standards, and runbooks
• Lead troubleshooting of complex, multi-domain network issues, including hybrid cloud and data center fabrics
• Drive network automation and operational efficiency initiatives where applicable
• Partner with cloud, security, and infrastructure teams to deliver integrated solutions
• Evaluate emerging technologies and recommend enhancements aligned with business and architectural strategy
• Mentor junior engineers and provide technical leadership across the networking domain

• Bachelors degree in a technical discipline; Masters degree preferred .
• 8 years minimum experience (higher preferred), 12 years of related experience, including a demonstrated ability in technology area. In-depth knowledge of associated technology areas that could impact area of responsibility; healthcare technology experience preferred.

Strongly Preferred Qualifications

• 10 - 15+ years of experience in enterprise networking, with strong focus on data center and cloud networking
• Deep expertise with:
  • Cisco Nexus (NX-OS) platforms
  • VXLAN/EVPN architectures (design, deployment, troubleshooting)
  • Spine-leaf data center designs
• Proven experience with cloud networking and private connectivity, including:
  • Azure ExpressRoute
  • AWS Direct Connect
  • OCI FastConnect
  • Equinix or similar cloud exchange/on-ramp solutions
• Advanced knowledge of routing and switching protocols (BGP, multicast, STP, etc.) in large-scale environments
• Strong experience designing and supporting hybrid and multi-cloud network architectures
• Demonstrated ability to troubleshoot complex, cross-platform network issues

Other Preferred Qualifications

• Cisco certifications such as CCNP, CCIE (Data Center or Enterprise), or equivalent
• Experience with network automation tools (Python, Ansible, Terraform, Catalyst Center)
• Exposure to security architectures (segmentation, zero trust, microsegmentation)
• Experience in large-scale enterprise or healthcare environments

Key Competencies

• Strong leadership and technical mentoring skills
• Excellent communication and cross-functional collaboration abilities
• Strategic thinker with hands-on engineering depth
• Commitment to continuous learning and staying current with evolving cloud and data center technologies
  Natural team player
  

Non-Bargaining Unit, 294 - DTP Network Services - MSH, Mount Sinai Hospital