Senior Network Architect
MetroSys, Inc.
- New York, New York, United States
- New York, New York, United States
About
Senior Network Engineer
to lead the
implementation and delivery of a multi-phase network transformation initiative . This role is responsible for executing against a defined Statement of Work, including
design validation, staging, migration, integration, and cutover activities
for a next-generation network architecture.
The ideal candidate is hands-on, detail-oriented, and experienced in
data center networking, routing, security, and large-scale migrations , with the ability to drive execution while maintaining alignment with architectural standards.
Key Responsibilities
Execute delivery of a multi-phase
Network 2.0 transformation , including design validation, staging, migration, integration, and service cutover
Implement and support
Arista-based data center fabric architectures , including EVPN/VXLAN, MLAG, and BGP-based designs
Configure and integrate
Palo Alto firewalls , including NAT migration, policy design, and Panorama management
Support
datacenter consolidation and interconnect design , including redundant circuits and VPN failover strategies
Deploy and validate
core, edge, and management network components
aligned to defined architecture standards
Implement:
eBGP/iBGP routing at the edge
OSPF underlay with MP-BGP EVPN overlay
VRF segmentation across multiple security zones
Lead
staging and proof-of-concept validation , including failover testing, interoperability, and performance validation
Migrate legacy configurations (e.g., Juniper) into new
Arista and Palo Alto environments
Execute
phased integration and cutover activities
with minimal service disruption
Develop and execute
service migration plans , including rollback strategies and validation procedures
Perform
post-cutover validation , ensuring routing convergence, security enforcement, and service availability
Collaborate with client and ISP teams to coordinate
change windows and integration activities
Produce and maintain
detailed technical documentation, runbooks, and validation reports
Required Qualifications
5–8+ years
of experience in enterprise networking and infrastructure implementation
Strong hands-on expertise with:
Arista EOS (EVPN/VXLAN, MLAG, BGP)
Palo Alto firewalls (policy, NAT, Panorama)
Deep understanding of:
Routing protocols (BGP, OSPF)
Data center networking and segmentation (VRFs, VLANs)
High availability design (ECMP, BFD, clustering)
Experience with
network migrations, cutovers, and large-scale infrastructure transitions
Ability to translate architecture into
real-world configurations and execution plans
Strong troubleshooting and validation skills across
routing, security, and connectivity layers
Experience working in
client-facing or professional services environments
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Languages
- English
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