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Xlysi

Sr. Network Engineer

Xlysi, Spring, Texas, us, 77391

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Responsibilities:

Design, configure, and support enterprise routing & switching infrastructure , SDWAN , and Spine-Leaf data center networks

Operate and troubleshoot multi-vendor environments (Cisco, Juniper, Brocade, Arista) and enforce firewall policies (Palo Alto, Juniper, Cisco, Fortinet)

Manage carrier technologies and advanced routing protocols including BGP, MPLS, VRF Lite, OSPF, ISIS, HSRP, PBR , etc.

Configure and support Juniper SRX firewalls , EX/QFX switches , MX routers , and automate tasks using Junos OS , SLAX , and PyEZ

Deploy and manage Juniper SDN and AI-driven platforms like Contrail , Apstra , Mist , and use JSA for threat analytics

Create detailed documentation (Visio, MS Office), collaborate with clients and teams, and support off-hours maintenance when required

Requirements:

8+ years of hands-on experience in network engineering , especially with Juniper technologies

Proven expertise in Spine-Leaf architecture , routing & switching , and data center networking

Strong background in managing Cisco, Juniper, Arista, Brocade hardware and firewall platforms (Palo Alto, Cisco, Fortinet, Juniper)

Deep understanding of carrier-grade networking protocols and routing technologies

Proficiency in Junos OS , scripting, and automation tools (SLAX, PyEZ)

Experience with Junipers SDN/security solutions : Mist, Apstra, Contrail, JSA

Strong communication, documentation, and client-facing skills

Detail-oriented with flexibility to work during early/late hours for critical network changes

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